Sonoma Warnings, Watches and Advisories

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SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth and road condition may be unsafe. Additional information is available at https://water.weather.gov/ahps2/ Stay tuned for further updates by listening to NOAA weather radio... or your local radio and TV stations.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We provide a wider range of issued warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Sonoma.

Use the Radar Maps link provided to understand the trajectory of a storm.

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued July 13 at 3:58PM PDT until July 13 at 4:30PM PDT by NWS Hanford CA

SVRHNX The National Weather Service in Hanford CA has issued a * Severe Thunderstorm Warning for... West central Tuolumne County in northern California... * Until 430 PM PDT. * At 358 PM PDT, a severe thunderstorm was located 16 miles northwest of Yosemite National, or 29 miles north of Yosemite South Entrance, moving west at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Lake Eleanor Ranger Station, Hetch Hetchy, Hetch Hetchy Ranger Station, Miguel Meadow Ranger Station, Rancheria Falls Wilderness Campground, and Mather Ranger Station.

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Area
Tuolumne, CA

Special Weather Statement

Special Weather Statement issued July 13 at 3:57PM PDT by NWS Los Angeles/Oxnard CA

At 355 PM PDT, Doppler radar was tracking a strong thunderstorm 10 miles southeast of Edwards AFB, or 15 miles north of Lake Los Angeles, moving northwest at 25 mph. Additional storms could redevelop in the area this afternoon. HAZARD...Wind gusts of 50 to 55 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of northeastern Los Angeles County.

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Area
Antelope Valley

Special Weather Statement

Special Weather Statement issued July 13 at 3:57PM PDT by NWS Reno NV

At 357 PM PDT, Doppler radar was tracking strong thunderstorms along a line extending from near Fort Churchill Station to near Bliss State Park. Movement was north at 25 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Carson City, South Lake Tahoe, Alpine Meadows, Squaw Valley, Tahoe City, Incline Village, Kings Beach, Gardnerville, Virginia City, Gardnerville Ranchos, Dayton, Johnson Lane, Yerington, Spooner Summit, Carson City Airport, Glenbrook, Emerald Bay, Crystal Bay, New Washoe City, and Genoa.

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Area
Greater Lake Tahoe Area; Mineral and Southern Lyon Counties; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake

Special Weather Statement

Special Weather Statement issued July 13 at 3:50PM PDT by NWS Hanford CA

At 349 PM PDT, Doppler radar was tracking a strong thunderstorm near Edwards AFB, or 22 miles north of Lake Los Angeles, moving north at 15 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Edwards AFB and North Edwards.

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Area
Mojave Desert

Special Weather Statement

Special Weather Statement issued July 13 at 3:50PM PDT by NWS San Diego CA

At 347 PM PDT, Doppler radar was tracking a strong thunderstorm near Jacumba, moving north at 30 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Ponding of water could occur along Interstate 8 between Pine Valley and Boulevard as well as Highway 94 near Jacumba as heavy rains will affect these areas. Locations impacted include... I-8 Between Pine Valley And Boulevard, I-8 Between Boulevard And Imperial County Line, Hwy S2 Between Canebrake And Imperial County Line, Boulevard, Hwy S2 Vallecito Creek Rd, Pine Valley, Campo, La Posta Indian Reservation, Tierra Del Sol, Campo Indian Reservation, Live Oak Springs, Jacumba, and Manzanita Indian Reservation.

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Area
San Diego County Mountains; San Diego County Deserts

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued July 13 at 3:38PM PDT until July 13 at 4:15PM PDT by NWS Hanford CA

SVRHNX The National Weather Service in Hanford CA has issued a * Severe Thunderstorm Warning for... Northeastern Fresno County in central California... * Until 415 PM PDT. * At 337 PM PDT, a severe thunderstorm was located 21 miles west of North Lake Campground, or 23 miles west of Aspendell, moving west at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of northeastern Fresno County, including the following locations... Kaiser Point, Upper Burnt Corral, High Sierra, and Florence Lake.

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Area
Fresno, CA

Flood Advisory

Flood Advisory issued July 13 at 3:19PM PDT until July 13 at 5:15PM PDT by NWS Las Vegas NV

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of San Bernardino County in southern California, including the city of Barstow. * WHEN...Until 515 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 319 PM PDT, CHP reported minor flooding on the L Stree off ramp near I-15 in Barstow due to heavy rain from thunderstorms. Overflowing poor drainage areas will cause minor flooding in the advisory area. Between 0.5 and 0.75 inches of rain have fallen. - Some locations that will experience flooding include... Barstow, Lenwood and Nebo Center. - http://www.weather.gov/safety/flood

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Area
San Bernardino, CA

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 2:41PM PDT until July 13 at 9:00PM PDT by NWS Eureka CA

* WHAT...Dangerously hot conditions with many valleys reaching between 100 and 107 degrees. * WHERE...Northern Mendocino Interior. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. This level of heat will affect anyone without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities.

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Area
Northwestern Mendocino Interior; Northeastern Mendocino Interior

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 2:41PM PDT until July 13 at 9:00PM PDT by NWS Eureka CA

* WHAT...Dangerously hot conditions with high temperatures between 105 and 115 degrees. * WHERE...Trinity County and Northern Humboldt Interior. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities.

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Area
Northern Humboldt Interior; Northern Trinity; Southern Trinity

Heat Advisory

Heat Advisory issued July 13 at 2:41PM PDT until July 13 at 9:00PM PDT by NWS Eureka CA

* WHAT...Widespread temperatures between 95 and 103 degrees. * WHERE...Southwestern Mendocino Interior. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. This level of heat will affect anyone without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities.

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Area
Southwestern Mendocino Interior

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 2:41PM PDT until July 13 at 9:00PM PDT by NWS Eureka CA

* WHAT...Dangerously hot conditions with widespread locations reaching between 105 and 113 degrees. * WHERE...Lake County and Southeastern Mendocino Interior. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. This level of heat will affect anyone without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities.

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Area
Southeastern Mendocino Interior; Northern Lake County; Southern Lake County

Heat Advisory

Heat Advisory issued July 13 at 2:41PM PDT until July 13 at 9:00PM PDT by NWS Eureka CA

* WHAT...High temperatures between 97 and 103 degrees. * WHERE...Southern Humboldt. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. This level of heat will affect anyone without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities.

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Area
Southwestern Humboldt; Southern Humboldt Interior

Heat Advisory

Heat Advisory issued July 13 at 2:33PM PDT until July 13 at 9:00PM PDT by NWS Medford OR

* WHAT...High temperatures of 95 to 101 degrees. * WHERE...In California, Modoc County and eastern Siskiyou County. This includes the cities and communities of Macdoel, Tulelake, Pondosa, Bray, Tennant, Dorris, Tionesta, Alturas, and Adin. In Oregon, Klamath and Lake counties. This includes the cities of Klamath Falls, Chemult, Summer Lake, Chiloquin, Malin, Keno, Sprague River, and Lakeview. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. Area rivers will be cold and can cause shock to swimmers.

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Area
North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 2:33PM PDT until July 13 at 9:00PM PDT by NWS Medford OR

* WHAT...High temperatures of 100 to 110 degrees * WHERE...Western and central Siskiyou County. This includes the cities of Yreka, Weed, Etna, Happy Camp, Mt Shasta City, and Dunsmuir. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Area rivers will be cold and can cause shock to swimmers.

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Area
Western Siskiyou County; Central Siskiyou County; South Central Siskiyou County

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 2:13PM PDT until July 13 at 9:00PM PDT by NWS San Diego CA

* WHAT...Dangerously hot conditions with high temperatures 100 to 105. Low temperatures in the 70s. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Thunderstorms are possible with gusty winds. Major heat risk.

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Area
Apple and Lucerne Valleys

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 2:13PM PDT until July 14 at 9:00PM PDT by NWS San Diego CA

* WHAT...Dangerously hot conditions with high temperatures of 108 to 115. Low temperatures only falling to the 80s. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 9 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. A prolonged period of extreme temperatures will exacerbate impacts from the heat. * ADDITIONAL DETAILS...Highs on Sunday will fall a few degrees compared to Saturday to 108 to around 110 degrees, but increased moisture will result in muggy conditions.

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Area
Coachella Valley; San Diego County Deserts

Red Flag Warning

Red Flag Warning issued July 13 at 2:06PM PDT until July 14 at 11:00PM PDT by NWS Medford OR

...Complex fire weather environment evolves this weekend... .Hot, dry and windy conditions will remain in place over most of Oregon today, and approaching monsoon moisture from the south will increase the threat of lightning across the forecast area beginning today and even more so on Sunday. Storms will likely be dry today given a very dry sub-cloud layer. The threat for storms is higher on Sunday as the moisture content increases and storms become a mix of wet and dry. ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING FOR LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 281 AND 282... * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...All areas in Fire Weather Zones 281 and 282. * THUNDERSTORMS...Isolated to scattered high based storms that are likely to have very little to no precipitation, especially outside of storm cores. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...The best chance for storms will be Sunday afternoon into Sunday evening, but isolated thunderstorms are possible late tonight into Sunday morning. Storms are likely to be dry tonight due to a very dry sub-cloud layer. Storms will trend wetter on Sunday, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

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Area
Central Siskiyou County Including Shasta Valley; Shasta-Trinity National Forest in Siskiyou County

Red Flag Warning

Red Flag Warning issued July 13 at 2:06PM PDT until July 14 at 11:00PM PDT by NWS Medford OR

...Complex fire weather environment evolves this weekend... .Hot, dry and windy conditions will remain in place over most of Oregon today, and approaching monsoon moisture from the south will increase the threat of lightning across the forecast area beginning today and even more so on Sunday. Storms will likely be dry today given a very dry sub-cloud layer. The threat for storms is higher on Sunday as the moisture content increases and storms become a mix of wet and dry. ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING FOR LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 284 AND 285... * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...For the Red Flag Warning, along and east of Highway 97, expanding to all areas tonight through Sunday. For the Fire Weather Watch on Monday, all areas. * THUNDERSTORMS...Isolated to scattered high based storms that are likely to be mostly dry or have little precipitation. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...Storms will occur mainly during the afternoon and evening, with the greatest coverage expected Sunday afternoon into Sunday evening. Isolated thunderstorms are possible late tonight into Sunday morning and again Sunday night into Monday morning. Storms are likely to be dry today due to a very dry sub-cloud layer. Storms will trend wetter on Sunday, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

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Area
Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley

Red Flag Warning

Red Flag Warning issued July 13 at 2:06PM PDT until July 14 at 11:00PM PDT by NWS Medford OR

...Complex fire weather environment evolves this weekend... .Hot, dry and windy conditions will remain in place over most of Oregon today, and approaching monsoon moisture from the south will increase the threat of lightning across the forecast area beginning today and even more so on Sunday. Storms will likely be dry today given a very dry sub-cloud layer. The threat for storms is higher on Sunday as the moisture content increases and storms become a mix of wet and dry. ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING FOR LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 280... * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...Much of Fire Weather Zone 280 east of Happy Camp. This includes the Shelly Fire. * THUNDERSTORMS...Isolated to scattered high based storms that are likely to have very little to no precipitation, especially outside of storm cores. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...The greatest coverage for storms will be Sunday afternoon into Sunday evening, but isolated thunderstorms are possible late tonight into Sunday morning and again Sunday night into Monday morning. Storms are likely to be dry tonight due to a very dry sub-cloud layer. Storms will trend wetter on Sunday, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

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Area
Western Klamath National Forest

Fire Weather Watch

Fire Weather Watch issued July 13 at 2:06PM PDT until July 15 at 9:00PM PDT by NWS Medford OR

...Complex fire weather environment evolves this weekend... .Hot, dry and windy conditions will remain in place over most of Oregon today, and approaching monsoon moisture from the south will increase the threat of lightning across the forecast area beginning today and even more so on Sunday. Storms will likely be dry today given a very dry sub-cloud layer. The threat for storms is higher on Sunday as the moisture content increases and storms become a mix of wet and dry. ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING FOR LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 281 AND 282... * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...All areas in Fire Weather Zones 281 and 282. * THUNDERSTORMS...Isolated to scattered high based storms that are likely to have very little to no precipitation, especially outside of storm cores. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...The best chance for storms will be Sunday afternoon into Sunday evening, but isolated thunderstorms are possible late tonight into Sunday morning. Storms are likely to be dry tonight due to a very dry sub-cloud layer. Storms will trend wetter on Sunday, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

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Area
Central Siskiyou County Including Shasta Valley; Shasta-Trinity National Forest in Siskiyou County

Fire Weather Watch

Fire Weather Watch issued July 13 at 2:06PM PDT until July 15 at 9:00PM PDT by NWS Medford OR

...Complex fire weather environment evolves this weekend... .Hot, dry and windy conditions will remain in place over most of Oregon today, and approaching monsoon moisture from the south will increase the threat of lightning across the forecast area beginning today and even more so on Sunday. Storms will likely be dry today given a very dry sub-cloud layer. The threat for storms is higher on Sunday as the moisture content increases and storms become a mix of wet and dry. ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING FOR LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 284 AND 285... * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...For the Red Flag Warning, along and east of Highway 97, expanding to all areas tonight through Sunday. For the Fire Weather Watch on Monday, all areas. * THUNDERSTORMS...Isolated to scattered high based storms that are likely to be mostly dry or have little precipitation. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...Storms will occur mainly during the afternoon and evening, with the greatest coverage expected Sunday afternoon into Sunday evening. Isolated thunderstorms are possible late tonight into Sunday morning and again Sunday night into Monday morning. Storms are likely to be dry today due to a very dry sub-cloud layer. Storms will trend wetter on Sunday, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

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Area
Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley

Fire Weather Watch

Fire Weather Watch issued July 13 at 2:06PM PDT until July 15 at 9:00PM PDT by NWS Medford OR

...Complex fire weather environment evolves this weekend... .Hot, dry and windy conditions will remain in place over most of Oregon today, and approaching monsoon moisture from the south will increase the threat of lightning across the forecast area beginning today and even more so on Sunday. Storms will likely be dry today given a very dry sub-cloud layer. The threat for storms is higher on Sunday as the moisture content increases and storms become a mix of wet and dry. ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING FOR LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 280... * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...Much of Fire Weather Zone 280 east of Happy Camp. This includes the Shelly Fire. * THUNDERSTORMS...Isolated to scattered high based storms that are likely to have very little to no precipitation, especially outside of storm cores. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...The greatest coverage for storms will be Sunday afternoon into Sunday evening, but isolated thunderstorms are possible late tonight into Sunday morning and again Sunday night into Monday morning. Storms are likely to be dry tonight due to a very dry sub-cloud layer. Storms will trend wetter on Sunday, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

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Area
Western Klamath National Forest

Red Flag Warning

Red Flag Warning issued July 13 at 1:50PM PDT until July 14 at 9:00AM PDT by NWS Hanford CA

...RED FLAG WARNINGS CONTINUE... .The Red Flag Warning continues for FWZ 592>595 until Sunday at 900 PM PDT and the Red Flag Warning continues for FWZ 596>599 until Sunday at 900 AM PDT. * AFFECTED AREA...Southern Sierra Nevada from Kern County through Yosemite National Park. * OUTFLOW WINDS...Erratic wind gusts 40 to 50 mph in thunderstorm outflow. * HUMIDITY...Minimum daytime humidity levels as 10% or less. * THUNDERSTORMS...20-30% chance of thunderstorms - including dry lightning - each afternoon from Friday through Sunday. Less than a 10% chance of wetting rain with these storms. Thunderstorm potential is the greatest in the afternoon and evening on Saturday and Sunday * IMPACTS...Any fires that develop will likely spread rapidly due to dry fuels. Outdoor burning is not recommended. * HIGHEST THREAT...Dry thunderstorms can ignite fire and create wind gust favorable for rapid fire spread.

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Area
Indian Wells Valley; Kern County Desert; Tehachapi Area

Red Flag Warning

Red Flag Warning issued July 13 at 1:50PM PDT until July 14 at 9:00AM PDT by NWS Hanford CA

...RED FLAG WARNINGS CONTINUE... .The Red Flag Warning continues for FWZ 592>595 until Sunday at 900 PM PDT and the Red Flag Warning continues for FWZ 596>599 until Sunday at 900 AM PDT. * AFFECTED AREA...Fire weather zone 597. * OUTFLOW WINDS...Erratic wind gusts 40 to 50 mph in thunderstorm outflow. * HUMIDITY...Minimum daytime humidity levels as 15% or less. * THUNDERSTORMS...5-15% chance of thunderstorms - including dry lightning - each afternoon from Friday through Sunday. Less than a 10% chance of wetting rain with these storms. Thunderstorm potential is the greatest in the afternoon and evening on Saturday and Sunday * IMPACTS...Any fires that develop will likely spread rapidly due to dry fuels. Outdoor burning is not recommended. * HIGHEST THREAT...Dry thunderstorms can ignite fire and create wind gust favorable for rapid fire spread.

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Area
Fort Tejon

Red Flag Warning

Red Flag Warning issued July 13 at 1:50PM PDT until July 14 at 9:00PM PDT by NWS Hanford CA

...RED FLAG WARNINGS CONTINUE... .The Red Flag Warning continues for FWZ 592>595 until Sunday at 900 PM PDT and the Red Flag Warning continues for FWZ 596>599 until Sunday at 900 AM PDT. * AFFECTED AREA...Southern Sierra Nevada from Kern County through Yosemite National Park. * OUTFLOW WINDS...Erratic wind gusts 40 to 50 mph in thunderstorm outflow. * HUMIDITY...Minimum daytime humidity levels as 15% or less. * THUNDERSTORMS...20-30% chance of thunderstorms - including dry lightning - each afternoon from Friday through Sunday. Less than a 10% chance of wetting rain with these storms. Thunderstorm potential is the greatest in the afternoon and evening on Saturday and Sunday * IMPACTS...Any fires that develop will likely spread rapidly due to dry fuels. Outdoor burning is not recommended. * HIGHEST THREAT...Dry thunderstorms can ignite fire and create wind gust favorable for rapid fire spread.

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Area
Central Sierra; North Kings River; Sequoia Kings; Lake Isabella

Red Flag Warning

Red Flag Warning issued July 13 at 1:45PM PDT until July 14 at 8:00PM PDT by NWS Sacramento CA

* Affected Area...Fire Zone 221 Stanislaus NF West of the Sierra Crest and Fire Zone 269 Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest. * Isolated thunderstorms with little to no associated precipitation are possible both today and Sunday over higher elevations of the Sierra Nevada. Best chances are today into tonight. * Gusty strong and erratic outflow wind will be possible near any thunderstorm development. * Impacts...Lightning can create new fire starts and may combine with gusty wind to cause fires to rapidly grow in size and intensity.

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Area
Stanislaus National Forest; Tahoe - Eldorado National Forest

Red Flag Warning

Red Flag Warning issued July 13 at 1:45PM PDT until July 14 at 11:00PM PDT by NWS Sacramento CA

The National Weather Service in Sacramento has issued a Red Flag Warning for thunderstorms with little to no precipitation and gusty outflow winds, which is in effect from 2 AM to 11 PM PDT Sunday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Zone 213 Eastern Portion of Shasta/Trinity NF, Fire Zone 263 Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-Glenn Unit, and Fire Zone 279 Eastern Mendocino NF. * Isolated thunderstorms with little to no associated precipitation are possible. * Gusty strong and erratic outflow wind could occur near any thunderstorm development. * Impacts...Lightning can create new fire starts and may combine with gusty wind to cause fires to rapidly grow in size and intensity.

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Area
Eastern Portion of Shasta/Trinity NF; Southeast Edge Shasta/Trinity NF and Western Portions of Tehama/Glenn RU; Eastern Mendocino NF

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 1:18PM MST until July 14 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 100 to 110 degrees. * WHERE...Western portion of Joshua Tree National Park, Eastern portion of Joshua Tree National Park, and Chiriaco Summit. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

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Area
Joshua Tree NP West; Joshua Tree NP East; Chiriaco Summit

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 1:18PM MST until July 14 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to 115 degrees. * WHERE...Southwest corner of Imperial County, Western Imperial County, Parker Valley, Imperial Valley, Palo Verde Valley, and Chuckwalla Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke

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Area
Parker Valley; Imperial County Southwest; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 1:18PM MST until July 14 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 102 to 112 degrees. * WHERE...Southeastern Imperial County, Salton Sea, and Chuckwalla Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

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Area
Salton Sea; Chuckwalla Mountains; Imperial County Southeast

Red Flag Warning

Red Flag Warning issued July 13 at 1:05PM PDT until July 14 at 9:00PM PDT by NWS Las Vegas NV

For Fire Weather Zones 460, 461, and 462 in Nevada: Isolated to scattered showers and thunderstorms will develop across the southern Great Basin this afternoon and evening. Chances for wetting rains are minimal due to limited low level moisture and swift storm motion, which increases the threat posed by dry lightning. Another round of showers and thunderstorms capable of producing gusty outflow winds and dry lightning will be possible tomorrow afternoon. However, this convection will be more isolated in nature. For Fire Weather Zone 226 in California: Scattered thunderstorms are expected to develop Saturday and Sunday afternoons along the Sierra crest. Limited low level moisture and swift storm motion will make the chance of wetting rain low, increasing dry lightning concerns. * THUNDERSTORMS...Scattered thunderstorms with little to no rainfall. * OUTFLOW WINDS...40 to 50 mph. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

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Area
Owens Valley/Southern Inyo Forest

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 12:24PM PDT until July 13 at 9:00PM PDT by NWS Sacramento CA

* WHAT...Dangerously hot conditions with high temperatures 108 to 115. Widespread Major to Extreme HeatRisk continues. * WHERE...Central Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills/Sacramento Valley, Northern Sacramento Valley, and Shasta Lake Area / Northern Shasta County. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Heat could significantly impact outdoor activities.

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Area
Shasta Lake Area / Northern Shasta County; Northern Sacramento Valley; Central Sacramento Valley; Mountains Southwestern Shasta County to Western Colusa County; Northeast Foothills/Sacramento Valley; Motherlode

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 12:24PM PDT until July 13 at 9:00PM PDT by NWS Sacramento CA

* WHAT...Dangerously hot conditions with high temperatures 100 to 110 expected. Widespread Major HeatRisk with localized Extreme HeatRisk. * WHERE...Northern San Joaquin Valley and Southern Sacramento Valley. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Heat could significantly impact outdoor activities.

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Area
Southern Sacramento Valley; Northern San Joaquin Valley

Heat Advisory

Heat Advisory issued July 13 at 12:24PM PDT until July 13 at 9:00PM PDT by NWS Sacramento CA

* WHAT...High temperatures from 95 to 105. Moderate to Major HeatRisk, with areas of Extreme HeatRisk. * WHERE...Burney Basin / Eastern Shasta County, West Slope Northern Sierra Nevada, and Western Plumas County/Lassen Park. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Heat could significantly impact outdoor activities. Rivers will continue to run cold, creating dangerous conditions for those seeking relief.

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Area
Burney Basin / Eastern Shasta County; Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada

Heat Advisory

Heat Advisory issued July 13 at 12:24PM PDT until July 13 at 9:00PM PDT by NWS Sacramento CA

* WHAT...High temperatures of 90 to 100 degrees expected. Widespread Moderate, with local Major HeatRisk. * WHERE...Carquinez Strait and Delta. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Heat could significantly impact outdoor activities.

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Area
Carquinez Strait and Delta

Heat Advisory

Heat Advisory issued July 13 at 11:47AM PDT until July 13 at 9:00PM PDT by NWS San Francisco CA

* WHAT...Daytime temperatures up to 96. * WHERE...Mainly inland portions of the Bay Area and north Central Coast. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses to occur.

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Area
North Bay Interior Mountains; East Bay Interior Valleys; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 10:34AM PDT until July 14 at 10:00AM PDT by NWS Hanford CA

* WHAT...High temperatures 15 to 20 degrees above normal. Major to Extreme HeatRisk. * WHERE...San Joaquin River Canyon. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...Well above normal temperatures, even for the high Sierra, will make outdoor activities more likely to cause heat-related illnesses than folks are used to even at high elevation. * ADDITIONAL DETAILS...Impacts likely in most health systems, heat-sensitive industries and infrastructure.

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Area
San Joaquin River Canyon

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 10:34AM PDT until July 14 at 10:00AM PDT by NWS Hanford CA

* WHAT...Dangerously hot conditions as extreme Heat-Risk will occur through the duration of this heat wave. * WHERE...A portion of central California. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...This level of rare, long-duration extreme heat with little to no overnight relief affects everyone, especially those without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Impacts likely in most health systems, heat-sensitive industries and infrastructure.

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Area
West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; Kern River Valley; Tehachapi; Frazier Mountain Communities; Mojave Desert Slopes

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 10:34AM PDT until July 14 at 10:00AM PDT by NWS Hanford CA

* WHAT...Dangerously hot conditions and Extreme HeatRisk. * WHERE...Indian Wells Valley and Mojave Desert. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...This level of rare, long-duration extreme heat with little to no overnight relief affects everyone, especially those without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Impacts likely in most health systems, heat-sensitive industries and infrastructure.

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Area
Indian Wells Valley; Mojave Desert

Heat Advisory

Heat Advisory issued July 13 at 10:34AM PDT until July 14 at 10:00AM PDT by NWS Hanford CA

* WHAT...High temperatures 15 to 20 degrees above normal. Moderate to Major HeatRisk. * WHERE...Yosemite NP outside of the valley. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...Well above normal temperatures, even for the high Sierra, will make outdoor activities more likely to cause heat-related illnesses than folks are used to even at high elevation. * ADDITIONAL DETAILS...Impacts likely in health systems, heat-sensitive industries and infrastructure.

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Area
Yosemite NP outside of the valley

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 10:34AM PDT until July 14 at 10:00AM PDT by NWS Hanford CA

* WHAT...Dangerously hot conditions with a 50% probability of temperatures 105 degrees or hotter. * WHERE...Grapevine. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...This level of rare, long-duration extreme heat with little to no overnight relief affects everyone, especially those without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Impacts likely in most health systems, heat-sensitive industries and infrastructure.

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Area
Grapevine

Red Flag Warning

Red Flag Warning issued July 13 at 10:28AM PDT until July 14 at 9:00PM PDT by NWS San Diego CA

Scattered showers and thunderstorms are expected Saturday and Sunday afternoon and early evening. Some of these storms could produce lightning outside of areas of wetting rain. Erratic and strong winds are possible where thunderstorms develop. The threat for wildfire starts is significant due to dry fuels from the recent heat wave. Any ignitions could be accompanied by strong winds creating extreme fire weather. The National Weather Service in San Diego has issued a Red Flag Warning for dry lightning and gusty outflow winds, which is in effect until 9 PM PDT Sunday. The Fire Weather Watch has been upgraded to the Red Flag Warning. * IMPACTS... Strong erratic winds and lightning are possible. Chances of fire starts are more likely in areas where lightning occurs outside of areas of wetting rain. Strong and erratic wind gusts have the potential to cause rapid spread of ongoing or new fires. * LOCATION...San Bernardino County Mountains-Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest, Riverside County Mountains- Including The San Jacinto Ranger District Of The San Bernardino National Forest, Victor Valley -Apple Valley - Lucerne Valley -Johnson Valley and San Gorgonio Pass Near Banning. * THUNDERSTORMS...Scattered thunderstorms could produce gusty erratic winds and frequent lightning. Lightning has the potential to strike outside of areas of heavy rain. * OUTFLOW WINDS...Erratic wind gusts of 35 to 50 mph in stronger thunderstorms.

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Area
San Bernardino County Mountains-Including The Mountain Top And Front Country Ranger Districts Of The San Bernardino National Forest; Riverside County Mountains-Including The San Jacinto Ranger District Of The San Bernardino National Forest; Victor Valley - Apple Valley - Lucerne Valley - Johnson Valley; San Gorgonio Pass Near Banning

Red Flag Warning

Red Flag Warning issued July 13 at 9:21AM PDT until July 13 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

..RED FLAG WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR MOSTLY DRY THUNDERSTORMS AND STRONG OUTFLOW WINDS ACROSS MOST MOUNTAINS, FOOTHILLS, ANTELOPE VALLEY, AND VALLEYS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES, AS WELL AS OJAI AND CASITAS VALLEY... .An upper-atmospheric weather disturbance off the Pacific Coast will interact with an influx of monsoonal moisture to create widely scattered and mostly dry thunderstorms today. Average thunderstorm motions will range from north-northwestward to north- northeastward at 20 to 35 mph. So far this morning, lightning strikes have mostly been focused from Ventura County northward, but daytime heating will likely expand the thunderstorm coverage into the interior portions of Los Angeles county. Thunderstorms will be high-based and will produce little to no precipitation, especially considering the faster movement of storm activity. Thunderstorms will also be capable of producing gusty, erratic outflow winds, gusting upwards of 45 to 60 mph on a localized basis. With the ongoing extended heatwave, contributing to significant drying of fuels, a significant fire-weather risk exists today. The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for mostly dry thunderstorms and strong outflow winds, which is in effect until 9 PM PDT this evening. The Fire Weather Watch is no longer in effect. * THUNDERSTORMS...Widely scattered mostly dry thunderstorms are occurring this morning across portions of Southwest California and are expected to increase through the day. Thunderstorms will be high-based, and produce little, if any, precipitation, resulting in an increased threat of lightning induced new fire ignitions. * OUTFLOW WINDS...Strong and erratic outflow winds produced by the dry thunderstorms, locally gusting to 45 to 60 mph, will have the potential to cause rapid spread of any ongoing fires, as well as any new fires. This includes the ongoing Lake Fire in Santa Barbara County. * IMPACTS...Conditions will be favorable for lightning-induced ignitions from mostly dry thunderstorms. Conditions will also be favorable for rapid wildfire spread and extreme fire behavior due to strong and erratic outflow winds. These conditions could threaten life and property. In addition, hot temperatures will bring the potential for large vertical plume growth. These conditions have the potential to be EXTREMELY DANGEROUS for wildfire operations.

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Area
Cuyama Valley; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Valley; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley

Red Flag Warning

Red Flag Warning issued July 13 at 9:21AM PDT until July 13 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

..RED FLAG WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR MOSTLY DRY THUNDERSTORMS AND STRONG OUTFLOW WINDS ACROSS MOST MOUNTAINS, FOOTHILLS, ANTELOPE VALLEY, AND VALLEYS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES, AS WELL AS OJAI AND CASITAS VALLEY... .An upper-atmospheric weather disturbance off the Pacific Coast will interact with an influx of monsoonal moisture to create widely scattered and mostly dry thunderstorms today. Average thunderstorm motions will range from north-northwestward to north- northeastward at 20 to 35 mph. So far this morning, lightning strikes have mostly been focused from Ventura County northward, but daytime heating will likely expand the thunderstorm coverage into the interior portions of Los Angeles county. Thunderstorms will be high-based and will produce little to no precipitation, especially considering the faster movement of storm activity. Thunderstorms will also be capable of producing gusty, erratic outflow winds, gusting upwards of 45 to 60 mph on a localized basis. With the ongoing extended heatwave, contributing to significant drying of fuels, a significant fire-weather risk exists today. The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for mostly dry thunderstorms and strong outflow winds, which is in effect until 9 PM PDT this evening. * THUNDERSTORMS...Widely scattered mostly dry thunderstorms are occurring this morning. Thunderstorms will be high- based, and produce little, if any, precipitation, resulting in an increased threat of lightning induced new fire ignitions. * OUTFLOW WINDS...Strong and erratic outflow winds produced by the dry thunderstorms, locally gusting to 45 to 60 mph, will have the potential to cause rapid spread of any ongoing fires, as well as any new fires. * IMPACTS...Conditions will be favorable for lightning-induced ignitions from mostly dry thunderstorms. Conditions will also be favorable for rapid wildfire spread and extreme fire behavior due to strong and erratic outflow winds. These conditions could threaten life and property. In addition, hot temperatures will bring the potential for large vertical plume growth. These conditions have the potential to be EXTREMELY DANGEROUS for wildfire operations.

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Area
Lake Casitas; Ojai Valley

Excessive Heat Warning

Excessive Heat Warning issued July 13 at 4:48AM PDT until July 13 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Dangerously hot conditions with high temperatures of 102 to 109 degrees, and very warm nights. * WHERE...A portion of southwest California. * WHEN...Until 9 PM PDT this evening. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors.

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Area
Cuyama Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley

Red Flag Warning

Red Flag Warning issued July 13 at 3:23AM PDT until July 14 at 10:00PM PDT by NWS Eureka CA

...An approaching upper low will direct in a plume of monsoonal moisture. Thunderstorm chances will begin to develop this afternoon for portions of Lake, Mendocino, and Trinity counties, with increasing chances late tonight through Sunday. The dry surface environment will favor dry showers and likely dry thunderstorms which will be capable of gusty, erratic winds... The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 2 AM to 10 PM PDT Sunday. * AFFECTED AREA...Fire weather zone 277.Fire weather zone 283. * THUNDERSTORMS...Likely dry thunderstorms. * OUTFLOW WINDS..Gusty and erratic outflow winds with stronger showers or thunderstorms. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

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Area
W Mendocino NF/E Mendocino Unit; Trinity

Air Quality Alert

Air Quality Alert issued July 12 at 10:24PM PDT by NWS San Diego CA

The South Coast AQMD has issued an air quality alert due to increased particle pollution from blowing dust. The air quality alert is in effect until 11 PM Saturday. In areas directly impacted by high levels of windblown dust, limit your exposure by remaining indoors with windows and doors closed and avoiding vigorous physical activity. Run your air conditioner or an air purifier. If temperatures allow, avoid using whole house fans or swamp coolers that bring in outside air. Exposure to high particle pollution levels can cause serious health problems, including asthma attacks, heart and lung disease symptoms, and increased risk of respiratory infections. People with heart or lung diseases should follow their doctor's advice for dealing with episodes of unhealthy air quality. Children, older adults, and people with respiratory or heart disease should avoid prolonged exposure and strenuous activities when particle pollution levels are high. To help minimize outdoor particle pollution levels: * Carpool, telecommute, reduce trips, or take public transportation * Slow down if driving on dirt roads * Stabilize loose soils Levels of particle pollution can vary hour by hour and by location depending on wind conditions. In South Coast AQMD, to view current and forecasted air quality levels, visit the South Coast Air Quality Management District website at aqmd.gov or download the mobile app at www.aqmd.gov/mobileapp. Additional details for this air quality alert may be available at www.aqmd.gov/advisory. In Mojave Desert, to view current and forecasted air quality levels, visit the Mojave Desert Air Quality Management District website at mdaqmd.ca.gov. Additional details for this air quality alert may be available at www.mdaqmd.ca.gov/advisories. In Imperial County, to view current and forecast air quality within Imperial County visit the Imperial County Air Quality website at http://www.imperialvalleyair.org/ or follow ICAPCD on Twitter, facebook or Instagram (@county_air). For the latest air quality forecasts and information, visit the website at aqmd.gov.

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Area
Coachella Valley

Red Flag Warning

Red Flag Warning issued July 12 at 10:04PM PDT until July 14 at 8:00PM PDT by NWS Reno NV

* CHANGES...The Red Flag Warning for Friday July 12th has expired. The Red Flag Warning for Saturday July 13th and Sunday July 14th remains in effect. * Affected Area...Fire Weather Zone 274 Southern Mono County, Fire Weather Zone 421 Southern Sierra Front including Alpine, Northern Mono, Southern Lyon and and Western Mineral Counties. * Thunderstorms...Scattered thunderstorms with little to no rainfall. * Outflow Winds...Gusts upwards of 50 mph. * Impacts...Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity before first responders can contain them.

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Area
Southern Mono County; Southern Sierra Front - Alpine/Northern Mono/Southern Lyon/Western Mineral Counties

Red Flag Warning

Red Flag Warning issued July 12 at 10:04PM PDT until July 14 at 8:00PM PDT by NWS Reno NV

* Affected Area...Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 271 Western Lassen, Eastern Plumas, and Eastern Sierra Counties, Fire Weather Zone 272 Greater Lake Tahoe and Truckee Area, Fire Weather Zone 278 Eastern Lassen County, Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties, Fire Weather Zone 423 West Humboldt Basin in Pershing County, Fire Weather Zone 429 Lahontan Basin including Churchill and Eastern Mineral Counties and Fire Weather Zone 458 Northern Washoe County. * Thunderstorms...Scattered thunderstorms with little to no rainfall. * Outflow Winds...Gusts upwards of 50 mph. * Impacts...Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity before first responders can contain them.

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Area
Surprise Valley California; Western Lassen, Eastern Plumas, and Eastern Sierra Counties; Greater Lake Tahoe and Truckee Area; Eastern Lassen County; Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties; West Humboldt Basin - Pershing County; Lahontan Basin - Churchill and Eastern Mineral Counties; Northern Washoe County

Air Quality Alert

Air Quality Alert issued July 12 at 3:12PM MST by NWS Phoenix AZ

The South Coast AQMD has issued an air quality alert due to increased particle pollution from blowing dust. The air quality alert is in effect from 2 PM Friday to 11 PM Saturday. In areas directly impacted by high levels of windblown dust, limit your exposure by remaining indoors with windows and doors closed and avoiding vigorous physical activity. Run your air conditioner or an air purifier. If temperatures allow, avoid using whole house fans or swamp coolers that bring in outside air. Exposure to high particle pollution levels can cause serious health problems, including asthma attacks, heart and lung disease symptoms, and increased risk of respiratory infections. People with heart or lung diseases should follow their doctor's advice for dealing with episodes of unhealthy air quality. Children, older adults, and people with respiratory or heart disease should avoid prolonged exposure and strenuous activities when particle pollution levels are high. To help minimize outdoor particle pollution levels: * Carpool, telecommute, reduce trips, or take public transportation * Slow down if driving on dirt roads * Stabilize loose soils Levels of particle pollution can vary hour by hour and by location depending on wind conditions. In South Coast AQMD, to view current and forecasted air quality levels, visit the South Coast Air Quality Management District website at aqmd.gov or download the mobile app at www.aqmd.gov/mobileapp. Additional details for this air quality alert may be available at www.aqmd.gov/advisory. In Mojave Desert, to view current and forecasted air quality levels, visit the Mojave Desert Air Quality Management District website at mdaqmd.ca.gov. Additional details for this air quality alert may be available at www.mdaqmd.ca.gov/advisories. In Imperial County, to view current and forecast air quality within Imperial County visit the Imperial County Air Quality website at http://www.imperialvalleyair.org/ or follow ICAPCD on Twitter, facebook or Instagram (@county_air).

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Area
Chuckwalla Mountains; Chiriaco Summit
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Fair 75°F
29.91in
Barometer
54%
Humidity
South 17.3mph
Wind
Fair

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