Ahwahnee Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather 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 Ahwahnee.

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

Winter Storm Warning issued February 16 at 6:44PM PST until February 18 at 10:00PM PST by NWS Hanford CA

* WHAT...Heavy snow with total snow accumulations 3 to 5 feet above 6,000 feet with 5 to 7 feet over the highest elevations and 1 to 2 feet down to 4,000 feet. Winds could gust as high as 60 mph. * WHERE...A portion of central California. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Snow levels will lower to 4,000 feet Tuesday morning. Light snow accumulations down to 3,000 feet Tuesday night into Wednesday.

Winter Storm Warning issued February 16 at 6:44PM PST until February 18 at 10:00PM PST by NWS Hanford CA

* WHAT...Heavy snow. Additional snow accumulations up to 27 inches. Winds gusting as high as 50 mph. * WHERE...Frazier Mountain Communities, Piute Walker Basin, and Tehachapi. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes. Gusty winds could bring down tree branches.

Winter Storm Warning issued February 16 at 6:44PM PST until February 19 at 9:00AM PST by NWS Hanford CA

* WHAT...Snow levels falling below Tejon Pass Tuesday into Wednesday. Light wet snow possible. Total snow accumulations 1 to 2 inches. Winds could gust as high as 45 mph. * WHERE...Grapevine. * WHEN...Until 9 AM PST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning and evening commutes. Gusty winds could bring down tree branches.

Winter Storm Warning issued February 16 at 6:29PM PST until February 19 at 10:00AM PST by NWS Medford OR

* WHAT...Heavy snow expected. Snow levels drop to around 1000-1500 ft tonight into Tuesday, and remain low through Thursday. Snow accumulations of 6 to 12 inches are expected with 1 to 3 ft expected above 5000 ft. Winds gusting as high as 40 mph over high and exposed terrain. * WHERE...In western Siskiyou County. This includes all of Highway 96 and 3, and Etna Summit on Sawyers Bar Rd. This also includes the Klamath River and Scott Valleys, the communities of Happy Camp, Somes Bar, Etna, Greenview, and Callahan. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Travel may be very difficult to impossible. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. * ADDITIONAL DETAILS...The heaviest snow is expected late tonight into Tuesday morning. Visit weather.gov/mfr/winter for snow probabilities.

Winter Weather Advisory issued February 16 at 6:29PM PST until February 19 at 10:00AM PST by NWS Medford OR

* WHAT...Snow expected. Total snow accumulations 2 to 6 inches, with 6 to 10 inches expected across the Modoc, along Highway 97 north of Chiloquin and the higher terrain of the Warners. Winds gusting as high as 40 mph over high and exposed terrain. * WHERE...Klamath Basin and Winter Rim in Klamath county and Lake County, Northeast Siskiyou and Northwest Modoc Counties, and Modoc County. Including the locations of...Dorris, Macdoel, Tulelake, Adin, Alturas, Canby, Day, Likely, Klamath Falls, Olene, Chemult, Crescent, Beatty, Bly, Sprague River, Adel, Fort Rock, Lakeview, Valley Falls, Paisley. This also includes the following passes or notable locations... Cedar Pass on state highway 239 at 6323 ft. Warner Mountain Summit on state highway 140 at 5850 ft. * WHEN...From 4 AM Tuesday to 10 AM PST Thursday. * IMPACTS...Travel may be very difficult to impossible. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...The heaviest snow is expected tonight into early Tuesday morning. Visit weather.gov/mfr/winter for snow probabilities.

Winter Weather Advisory issued February 16 at 6:29PM PST until February 19 at 10:00AM PST by NWS Medford OR

* WHAT...Snow expected. Total snow accumulations 2 to 5 inches, with 6 to 10 inches expected above 3000 ft. * WHERE...Central Siskiyou County. Including the locations of...Hilt, Klamath River, Yreka, Weed as well as I-5 and portions of Highways 97, 96 and 3. This also includes the following passes or notable locations... Forrest Mountain Summit on state highway 3 at 4100 ft. * WHEN...From 4 AM Tuesday to 10 AM PST Thursday. * IMPACTS...Travel may be difficult and delays in your commute. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...The heaviest snow is expected tonight into early Tuesday morning. Visit weather.gov/mfr/winter for snow probabilities.

Winter Storm Warning issued February 16 at 6:29PM PST until February 19 at 10:00AM PST by NWS Medford OR

* WHAT...Heavy snow expected. Snow accumulations 8 to 15 inches are expected with 1 to 2 ft expected above 4500 ft. Winds gusting as high as 40 mph over high and exposed terrain. * WHERE...North Central and Southeast Siskiyou County and South Central Siskiyou County. Including the locations of...Dunsmuir, McCloud, Mount Shasta, Bray, Pondosa, Tennant. This also includes the following passes or notable locations... Black Butte Pass on I-5 at 3900 ft. Snowmans Hill Summit on state highway 89 at 4310 ft. Dead Horse Summit on State Highway 89 at 4489 ft. Mt. Shasta ski park highway around 5400 ft. Grass Lake at Mt. Hebron at 5291 ft. Bunny Flat on Everitt Memorial highway at 6900 ft. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Travel may be very difficult to impossible. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. * ADDITIONAL DETAILS... Visit weather.gov/mfr/winter for additional snow probabilities

Flood Advisory issued February 16 at 4:48PM PST until February 16 at 9:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southwest California, including the following counties, San Luis Obispo, Santa Barbara and Ventura. * WHEN...Until 900 PM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rock slides and mud slides in areas of steep terrain. Minor debris flows. * ADDITIONAL DETAILS... - At 446 PM PST, Doppler radar indicated isolated to scattered showers moving across the Advisory area, and additional brief, moderate to heavy showers will occur through the evening hours. - Some locations that will experience flooding include... Oxnard, Thousand Oaks, Simi Valley, Ventura, Santa Maria, Santa Barbara, Camarillo, San Luis Obispo, Lompoc, Paso Robles, Fillmore, Morro Bay, Pismo Beach, Ojai, Santa Ynez, Montecito, Point Conception, Agoura Hills, Woodland Hills and Moorpark. - http://www.weather.gov/safety/flood

Flood Advisory issued February 16 at 4:45PM PST until February 16 at 9:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southwest California, including the following county, Central and Southern Los Angeles. * WHEN...Until 900 PM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rock slides and mud slides in areas of steep terrain. Minor debris flows. * ADDITIONAL DETAILS... - At 440 PM PST, Doppler radar indicated heavy rain from isolated to scattered showers moving across the Advisory area, and additional brief, moderate to heavy showers will occur through the evening hours. Minor flooding is ongoing or expected to begin shortly in the advisory area. Rock slides and mud slides will be possible. Minor debris flows. - Some locations that will experience flooding include... Long Beach, Thousand Oaks, Malibu, Acton, Wrightwood, Griffith Park, Burbank, Universal City, Hollywood, North Hollywood, Pasadena, Downtown Los Angeles, Alhambra, Beverly Hills, Van Nuys, Mount Wilson, Culver City, Inglewood, Encino and Santa Monica. - http://www.weather.gov/safety/flood

Winter Weather Advisory issued February 16 at 2:40PM PST until February 18 at 4:00PM PST by NWS Eureka CA

* WHAT...Scattered to numerous hail showers, resulting in ice accumulation and extremely slippery driving conditions. * WHERE...Del Norte and Northern Humboldt Coast. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Accumulating small hail can quickly coat roadways, creating slick roads. The hazardous conditions will impact the Tuesday morning and evening commutes.

Winter Storm Warning issued February 16 at 2:40PM PST until February 18 at 4:00PM PST by NWS Eureka CA

* WHAT...Heavy snow expected for elevations above 2000 feet. Total snow accumulations between 4 and 10 inches. Locally up to 22 inches expected above 3500 feet. Winds gusting as high as 35 mph. * WHERE...Humboldt Interior and Del Norte Interior. * WHEN...From 7 PM this evening to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes. Gusty winds and heavy snow could bring down trees and power lines. Road closures are possible. * ADDITIONAL DETAILS...The heaviest snowfall rates are expected tonight through Tuesday morning. There is the potential for snow level as low as 1500 feet with the heaviest snowfall amounts.

Winter Storm Warning issued February 16 at 2:40PM PST until February 18 at 4:00PM PST by NWS Eureka CA

* WHAT...Heavy snow expected. Total snow accumulations between 4 to 8 inches above 2000 feet. Winds gusting as high as 45 mph. * WHERE...Southwestern Humboldt above 2,500 feet. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. Gusty winds and heavy snow could bring down tree branches and cause power outages. Road closures are possible. * ADDITIONAL DETAILS...This will impact Mattole Road and Shelter Cove road among other roads above 2,000 feet.

Winter Storm Warning issued February 16 at 2:40PM PST until February 18 at 4:00PM PST by NWS Eureka CA

* WHAT...Heavy snow above 2500 feet. Total snow accumulations 4 to 8 inches above 2500 feet expected. Locally up to 14 inches for elevations above 3500 feet. Winds could gust as high as 45 mph. * WHERE...Lake County and Northern Mendocino Interior. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. The hazardous conditions will impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...Snow levels will remain above 4000 feet through early afternoon Monday, dropping to 2000 feet Monday evening into Tuesday. There is a potential for snow levels as low as 1500 feet with the heaviest snowfall. The heaviest snowfall rates are expected late Monday night through Tuesday morning.

Winter Storm Warning issued February 16 at 2:40PM PST until February 18 at 4:00PM PST by NWS Eureka CA

* WHAT...Heavy snow expected. Snow levels falling to 2000 feet tonight. Snow accumulations between 5 and 8 inches. Locally up to 17 inches above 3000 feet. * WHERE...Trinity County. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes. Road closures are possible. * ADDITIONAL DETAILS...Snow levels will remain above 4000 feet through early afternoon Monday, dropping to 2000 feet Monday evening into Tuesday. There is a potential for snow levels as low as 1500 feet with the heaviest snowfall. The heaviest snowfall rates are expected late Monday night through Tuesday morning.

Flood Watch issued February 16 at 1:37PM PST until February 17 at 12:00AM PST by NWS Los Angeles/Oxnard CA

* WHAT...Flooding caused by excessive rainfall is possible. Rock and mud slides are possible near steep terrain. Debris flows are possible on burn scars. * WHERE...Much of southwest California. * WHEN...Until midnight PST tonight. * IMPACTS...Flash flooding is possible. Excessive runoff may result in flooding of low-lying and flood-prone locations, including creeks and streams. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Extensive street flooding is possible. * ADDITIONAL DETAILS... - Showers and thunderstorms are possible overnight tonight with locally heavy rain at times. - http://www.weather.gov/safety/flood

Wind Advisory issued February 16 at 1:36PM PST until February 18 at 4:00PM PST by NWS Hanford CA

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Buena Vista, Indian Wells Valley, Mojave Desert, Mojave Desert Slopes, West Side Mountains South of 198, and West Side Mountains north of 198. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued February 16 at 1:05PM PST until February 19 at 10:00PM PST by NWS Sacramento CA

* WHAT...South winds 15 to 25 mph with gusts of 35 to 45 mph expected. * WHERE...Sacramento Valley. * WHEN...Until 10 PM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...A brief lull in stronger winds is expected on Wednesday, with another round of gusty winds late Wednesday into Thursday.

Winter Storm Warning issued February 16 at 1:01PM PST until February 19 at 10:00PM PST by NWS Sacramento CA

* WHAT...Heavy snow expected. Accumulation amounts range from up to 1 foot around 2000 to 2500 feet, 1 to 2 feet at 2500 to 3500 feet and 4 to 8 feet at higher elevations. Wind gusts of 45 to 55mph expected. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park including Interstate 80 and Highway 50, northern Shasta County including portions of Interstate 5, the Coastal Range, and foothill regions of the Sierra Nevada. * WHEN...Until 10 PM PST Thursday. * IMPACTS...Dangerous to near impossible travel conditions with chain controls and road closures. Low visibility due to a combination of wind and heavy snow. * ADDITIONAL DETAILS...Snow levels will be around 2500 to 3500 feet by Monday night and 1500 to 2500 feet Tuesday through Thursday. Potential to see snow levels as low as 1000 feet at times along the Sierra and below 1000 feet in the northern Sacramento Valley.

Winter Storm Warning issued February 16 at 1:01PM PST until February 19 at 10:00PM PST by NWS Sacramento CA

* WHAT...Low elevation snow. Light snow accumulations up to one inch. Winds gusting as high as 40 mph. * WHERE...Northern Sacramento Valley, including the city of Redding. * WHEN...Until 10 PM PST Thursday. * IMPACTS...The hazardous conditions could impact morning commutes through Thursday. * ADDITIONAL DETAILS...Snow levels will be around 2500 to 3500 feet by Monday night and 1500 to 2500 feet Tuesday through Thursday. Potential for snow levels below 1000 feet in the northern Sacramento Valley. Lowest snow levels and highest potential for low elevation snowfall on Wednesday and Thursday mornings.

Winter Storm Warning issued February 16 at 12:59PM PST until February 18 at 10:00PM PST by NWS Las Vegas NV

* WHAT...Heavy snow possible. Total snow accumulations exceeding 3 feet above 8000 feet...1.5 to 2.5 feet above 7000 feet...and 8 to 16 inches down to 6000 feet. Winds could gust as high as 70 mph. * WHERE...Eastern Sierra Slopes. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Visibilities may drop below a quarter mile due to falling and blowing snow. Travel could be very difficult to impossible. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Snowfall rates will likely decrease for a period from late-Monday night into Tuesday morning, increasing again mid-day Tuesday.

Winter Storm Warning issued February 16 at 12:59PM PST until February 18 at 10:00PM PST by NWS Las Vegas NV

* WHAT...Heavy snow possible. Total snow accumulations exceeding 2 feet above 8000 feet....1 to 2 feet above 7000 feet....and 8 to 16 inches down to 6000 feet. Winds could gust as high as 50 mph. * WHERE...White and Inyo Mountains. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Visibilities may drop below a quarter mile due to falling and blowing snow. Travel could be very difficult to impossible. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Travel on Highway 168 especially through Westgard Pass will be difficult to impossible at times. Snowfall rates will likely decrease for a period from late-Monday night into Tuesday morning, increasing again mid-day Tuesday.

Winter Storm Watch issued February 16 at 12:59PM PST until February 18 at 4:00AM PST by NWS Las Vegas NV

* WHAT...Heavy snow possible. Total snow accumulations of 3 to 6 inches, mainly north of Lone Pine. Winds could gust as high as 40 mph. * WHERE...Owens Valley. * WHEN...From Tuesday morning through late Tuesday night. * IMPACTS...Slick and snow-covered roadways will quickly become dangerous with numerous slide-offs and spin-outs possible. * ADDITIONAL DETAILS...Snowfall is expected to develop by Tuesday afternoon with snow levels hovering near the valley floor. Cooler air will move in after dark with increasing snow intensity expected, which will worsen roadway conditions.

Winter Weather Advisory issued February 16 at 12:48PM PST until February 18 at 4:00PM PST by NWS San Francisco CA

* WHAT...Accumulating snow for elevations above 3000 feet. Elevations below 3000 feet will see no accumulating snow to 3 inches. Above 3000 feet total snow accumulations of 5 to 10 inches and the highest peaks 15 to 25 inches. * WHERE...Elevations above 3000 feet for the Santa Lucia Mountains and the mountains of San Benito county. * WHEN...From 4 PM Monday to 4 PM PST Wednesday. * IMPACTS...Slick, snow-covered roads and hiking trails. Hikers, campers, outdoor enthusiasts may encounter dangerous winter conditions above the snow level. Heavier snow showers could produce limited visibilities. Downed trees and power outages possible. * ADDITIONAL IMPACTS...Wind gusts 50 to 60 mph above 2000 feet. The combination of wind and snow will reduce visibilities.

Winter Weather Advisory issued February 16 at 12:48PM PST until February 18 at 4:00PM PST by NWS San Francisco CA

* WHAT...Accumulating snow for elevations above 3000 feet. Elevations below 3000 feet will see no accumulating snow to a dusting. Above 3000 feet total snow accumulations of 4 to 8 inches. * WHERE...Elevations above 3000 feet for the Santa Clara Hills. * WHEN...From 6 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Slick, snow-covered roads, like Hwy 130, and hiking trails. Hikers, outdoor enthusiasts may encounter dangerous winter conditions above the snow level. Heavier snow showers could produce limited visibilities. Downed trees and power outages possible. * ADDITIONAL IMPACTS...Wind gusts 25 to 40 mph above 2000 feet. The combination of wind and snow will reduce visibilities.

High Surf Advisory issued February 16 at 12:16PM PST until February 20 at 10:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Large breaking waves of 8 to 12 feet, with local sets to 15 feet possible on Wednesday, and dangerous rip currents. * WHERE...Ventura County Beaches. * WHEN...Until 10 PM PST Friday. * IMPACTS...There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...Minor coastal flooding possible around mid- morning and late-evening times of high tide on Tuesday and Wednesday.

Beach Hazards Statement issued February 16 at 12:16PM PST until February 18 at 10:00AM PST by NWS Los Angeles/Oxnard CA

* WHAT...Dangerous rip currents and breaking waves due to elevated surf expected. * WHERE...Santa Barbara County Southwestern Coast and Santa Barbara County Southeastern Coast. * WHEN...From 10 AM PST this morning through Wednesday morning. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. * ADDITIONAL DETAILS...Minor coastal flooding possible around mid- morning and late-evening times of high tide on Tuesday and Wednesday.

High Surf Advisory issued February 16 at 12:16PM PST until February 20 at 10:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...For the Central Coast, large breaking waves of 10 to 15 feet, with local sets to 20 feet on Wednesday, and dangerous rip currents. For Los Angeles County, 6 to 10 feet and dangerous rip currents. * WHERE...San Luis Obispo County Beaches, Santa Barbara County Central Coast Beaches, Malibu Coast and Los Angeles County Beaches. * WHEN...Until 10 PM PST Friday. * IMPACTS...There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...Minor coastal flooding possible around mid- morning and late-evening times of high tide on Tuesday and Wednesday.

Wind Advisory issued February 16 at 12:46PM MST until February 18 at 11:00PM MST by NWS Phoenix AZ

* WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.

Wind Advisory issued February 16 at 12:46PM MST until February 17 at 2:00AM MST by NWS Phoenix AZ

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Central La Paz County, Western portion of Joshua Tree National Park, Eastern portion of Joshua Tree National Park, Parker Valley, Chuckwalla Mountains, Chiriaco Summit, Palo Verde Valley, and Chuckwalla Valley. * WHEN...Until 2 AM MST /1 AM PST/ Tuesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne.

Wind Advisory issued February 16 at 11:40AM PST until February 16 at 8:00PM PST by NWS San Diego CA

* WHAT...For the through tonight, south winds 15 to 25 mph with gusts 30 to 45 mph expected. For Tuesday night into Wednesday, southwest winds 15 to 25 mph with gusts 30 to 45 mph expected. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...For the first Wind Advisory, until 8 PM PST this evening. For the second Wind Advisory, from 8 PM Tuesday to 8 AM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Shallow rooted trees may be uprooted. * ADDITIONAL DETAILS...Winds today will be strongest with the passage of the cold front. The front is currently expected to pass through Orange County/Inland Empire early this afternoon and San Diego County late this afternoon.

Wind Advisory issued February 16 at 11:40AM PST until February 18 at 4:00PM PST by NWS San Diego CA

* WHAT...For today south winds 20 to 30 mph with gusts to 50 mph expected. For Tuesday into Wednesday, southwest winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...Apple and Lucerne Valleys. * WHEN...For the first Wind Advisory, until 10 PM PST this evening. For the second Wind Advisory, from 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Stronger southwest winds possible Tuesday afternoon and Wednesday, especially near the foothills of the San Bernardino mountains.

Wind Advisory issued February 16 at 11:40AM PST until February 18 at 4:00PM PST by NWS San Diego CA

* WHAT...For today, southwest winds 25 to 35 mph with gusts up to 55 mph. For Tuesday into Wednesday, west winds 30 to 40 mph with gusts up 60 to 75 mph expected, strongest winds will be on the desert mountain slopes. * WHERE...San Diego County Mountains. * WHEN...For the first advisory, through 1 AM PST Tuesday. For the second Advisory, 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued February 16 at 11:40AM PST until February 18 at 4:00PM PST by NWS San Diego CA

* WHAT...For today, southwest winds 15 to 25 mph with gusts to 45 mph expected. For Tuesday into Wednesday, west winds 30 to 40 mph with gusts to 65 mph expected. * WHERE...San Gorgonio Pass near Banning. * WHEN...For the first Wind Advisory, until 1 AM PST Tuesday. For the second Wind Advisory, from 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Stronger west winds gusting 65 to 70 mph possible Tuesday afternoon and Wednesday.

Wind Advisory issued February 16 at 11:40AM PST until February 18 at 4:00PM PST by NWS San Diego CA

* WHAT...For today, southwest winds 20 to 30 mph with gusts to 45 mph expected. Tuesday into Wednesday, west winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...San Diego County Deserts. * WHEN...For the first Wind Advisory, until 1 AM PST Tuesday. For the second Wind Advisory, from 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Stronger west winds are possible Tuesday afternoon into Wednesday, especially near the foothills of the mountains.

Wind Advisory issued February 16 at 11:40AM PST until February 16 at 10:00PM PST by NWS San Diego CA

* WHAT...For today south winds 20 to 30 mph with gusts to 50 mph expected. For Tuesday into Wednesday, southwest winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...Apple and Lucerne Valleys. * WHEN...For the first Wind Advisory, until 10 PM PST this evening. For the second Wind Advisory, from 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Stronger southwest winds possible Tuesday afternoon and Wednesday, especially near the foothills of the San Bernardino mountains.

Wind Advisory issued February 16 at 11:40AM PST until February 17 at 1:00AM PST by NWS San Diego CA

* WHAT...For today, southwest winds 20 to 30 mph with gusts to 45 mph expected. Tuesday into Wednesday, west winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...San Diego County Deserts. * WHEN...For the first Wind Advisory, until 1 AM PST Tuesday. For the second Wind Advisory, from 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Stronger west winds are possible Tuesday afternoon into Wednesday, especially near the foothills of the mountains.

Wind Advisory issued February 16 at 11:40AM PST until February 17 at 1:00AM PST by NWS San Diego CA

* WHAT...For today, southwest winds 25 to 35 mph with gusts up to 55 mph. For Tuesday into Wednesday, west winds 30 to 40 mph with gusts up 60 to 75 mph expected, strongest winds will be on the desert mountain slopes. * WHERE...San Diego County Mountains. * WHEN...For the first advisory, through 1 AM PST Tuesday. For the second Advisory, 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued February 16 at 11:40AM PST until February 17 at 1:00AM PST by NWS San Diego CA

* WHAT...For today, southwest winds 15 to 25 mph with gusts to 45 mph expected. For Tuesday into Wednesday, west winds 30 to 40 mph with gusts to 65 mph expected. * WHERE...San Gorgonio Pass near Banning. * WHEN...For the first Wind Advisory, until 1 AM PST Tuesday. For the second Wind Advisory, from 10 AM Tuesday to 4 PM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Stronger west winds gusting 65 to 70 mph possible Tuesday afternoon and Wednesday.

Wind Advisory issued February 16 at 11:40AM PST until February 18 at 8:00AM PST by NWS San Diego CA

* WHAT...For the through tonight, south winds 15 to 25 mph with gusts 30 to 45 mph expected. For Tuesday night into Wednesday, southwest winds 15 to 25 mph with gusts 30 to 45 mph expected. * WHERE...Orange County Coastal Areas, Orange County Inland Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Coastal Areas, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...For the first Wind Advisory, until 8 PM PST this evening. For the second Wind Advisory, from 8 PM Tuesday to 8 AM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Shallow rooted trees may be uprooted. * ADDITIONAL DETAILS...Winds today will be strongest with the passage of the cold front. The front is currently expected to pass through Orange County/Inland Empire early this afternoon and San Diego County late this afternoon.

Coastal Flood Advisory issued February 16 at 11:32AM PST until February 17 at 3:00PM PST by NWS San Francisco CA

* WHAT...Up to 1.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Monterey Bay. * WHEN...Through 3 PM PST Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the Monterey tidal gauge, high tide is expected to be: 1.5 ft above normal (6.8 ft MLLW) at 9:07 AM Monday 1.2 ft above normal (6.6 ft MLLW) at 9:46 AM Tuesday These prediction include up to 1.0 ft of storm surge that will enhance the astronomical tide and flooding threat.

Coastal Flood Advisory issued February 16 at 11:32AM PST until February 17 at 3:00PM PST by NWS San Francisco CA

* WHAT...Up to 1.2 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco Bay Shore. * WHEN...Through 3 PM PST Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.2 ft above normal (7.1 ft MLLW) at 10:58 AM Tuesday. These predictions include up to 1.0 ft of storm surge that will enhance the astronomical tide and flooding threat. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and throughout the San Francisco Bay, respectively.

Avalanche Watch issued February 16 at 10:57AM PST by NWS Reno NV

AVAREV The following message is transmitted at the request of the Eastern Sierra Avalanche Center. The Eastern Sierra Avalanche Center in Mammoth Lakes has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: NWS Las Vegas NV - CA-519 (Eastern Sierra in Inyo County) NWS Reno NV - CA-073 (Eastern Sierra in Mono County) * WHAT...The avalanche danger is expected to rise to HIGH by Monday afternoon (February 16) and remain elevated through mid- week. * WHERE...The eastern Sierra Nevada from Virginia Lakes to the southern end of Bishop Creek. * WHEN...In effect from Monday 7 AM PST to Tuesday 7 AM PST. * IMPACTS...Heavy snow and extreme winds will create widespread areas of unstable snow. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions are expected to develop. Avalanches may run long distances, into mature forests, valley floors, or flat terrain. Travel in avalanche terrain is not recommended. Consult http://www.esavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.

Avalanche Watch issued February 16 at 10:56AM PST by NWS Reno NV

AVAREV The following message is transmitted at the request of the U.S. Forest Service Sierra Avalanche Center. The Sierra Avalanche Center in Truckee has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: NWS Reno NV - NVZ002 (Greater Lake Tahoe)...CAZ072 (Greater Lake Tahoe (CA)) * WHAT...HIGH avalanche danger is anticipated in the backcountry Monday evening, lasting through Tuesday night, and possibly into Wednesday. * WHERE...Central Sierra Nevada Mountains between Yuba Pass (Hwy 49) on the north and Ebbetts Pass (Hwy 4) on the south, including the greater Lake Tahoe area. This applies only to backcountry areas, not to ski areas and highways where avalanche mitigation programs exist. * WHEN...In effect from Sun 07:45 PST to Tue 05:00 PST. * IMPACTS...A powerful storm with rapidly accumulating snowfall and strong winds may cause widespread avalanche activity in the mountains. Large avalanches capable of burying or injuring people could occur in backcountry areas. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions could occur in the backcountry. Traveling in, near, or below backcountry avalanche terrain during HIGH avalanche danger is not recommended. Consult https://www.sierraavalanchecenter.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.

Winter Storm Warning issued February 16 at 10:53AM PST until February 18 at 12:00PM PST by NWS San Diego CA

* WHAT...Heavy snow expected. Through Tuesday morning, snowfall of 4 to 8 inches is expected from 5500 to 6000 feet, 8 to 16 inches from 6000 to 7000 feet, and locally 2 to 3 feet above 7500 feet. Southwest winds will gust to 45 to 55 mph. Snow levels will fall to 5000 to 5500 feet for late tonight into Tuesday. Another round of more widespread precipitation is expected for Tuesday night into Wednesday morning with additional snowfall of 3 to 8 inches from 5000 to 6000 feet, 8 to 16 inches from 6000 to 7000 feet, and 16 to 20 inches above 7000 feet. The snow level will fall to 3500 to 4500 feet for Wednesday afternoon into Thursday. Southwest winds for Tuesday night through Wednesday afternoon will gust to 55 to 75 mph on the desert slopes of the mountains. * WHERE...Riverside County Mountains and San Bernardino County Mountains. * WHEN...Until noon PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...Wednesday night into Thursday up to an inch of snow could accumulate below 5000 ft, with 2-4 inches of additional snowfall above 5000 ft.

Wind Advisory issued February 16 at 10:09AM PST until February 17 at 2:00AM PST by NWS Las Vegas NV

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Death Valley National Park and Owens Valley. * WHEN...Now through 2 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds are expected in the afternoon and early evening ahead of a cold frontal passage. Winds will gradually decrease overnight.

Wind Advisory issued February 16 at 10:09AM PST until February 17 at 2:00AM PST by NWS Las Vegas NV

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 2 AM PST / 3 AM MST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds are expected in the afternoon and evening hours with winds gradually decreasing overnight. Strong winds will impact travelers on Interstate 15 and Interstate 40.

High Surf Advisory issued February 16 at 9:48AM PST until February 20 at 10:00PM PST by NWS San Diego CA

* WHAT...Large breaking waves of 6 to 10 feet, with sets up to 12 feet. Highest surf Wednesday in San Diego County. Minor coastal flooding will also be a threat. High rip current risk. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...Until 10 PM PST Friday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. High rip current risk. Minor tidal overflow into parking lots and boardwalks. * ADDITIONAL DETAILS...Surf will peak Wednesday, especially for San Diego County. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as groins, jetties and piers. Heed the advice of lifeguards and beach patrol flags and signs.

Winter Storm Warning issued February 16 at 9:17AM PST until February 19 at 9:00AM PST by NWS Los Angeles/Oxnard CA

* WHAT...Heavy snow possible. Total snow accumulations of 1 to 4 inches for 3500 to 4500 feet elevation including the Grapevine of the Interstate-5 Corridor possible. Total snow accumulations of 6 to 12 inches above 4500 feet elevation possible. Winds could gust as high as 50 mph. * WHERE...Interstate 5 Corridor, Santa Barbara County Interior Mountains, and Southern Ventura County Mountains. * WHEN...From 9 PM Tuesday to 9 AM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could become treacherous. Visibilities may drop below one-quarter mile due to falling and blowing snow.

Winter Storm Warning issued February 16 at 9:17AM PST until February 19 at 9:00AM PST by NWS Los Angeles/Oxnard CA

* WHAT...Heavy snow possible. Total snow accumulations of 1 to 4 inches for 3500 to 4500 feet elevation, and 4 to 8 inches above 4500 feet elevation. Winds could gust as high as 50 mph. * WHERE...Eastern Antelope Valley Foothills, Western Antelope Valley Foothills, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...From 9 PM Tuesday to 9 AM PST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning and evening commutes. Very strong winds could cause extensive tree damage.

Winter Storm Warning issued February 16 at 9:17AM PST until February 19 at 9:00AM PST by NWS Los Angeles/Oxnard CA

* WHAT...Heavy snow possible. Total snow accumulations of up to 4 inches between 3500 and 4500 feet, 6 to 12 inches for 4500 to 6000 feet, and 1 to 2 feet above 6000 feet. Wind gusts of up to 70 mph through Monday afternoon, and as high as 50 mph through Thursday morning. * WHERE...Eastern San Gabriel Mountains and Northern Ventura County Mountains. * WHEN...Until 9 AM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could become treacherous. Visibilities may drop below one-quarter mile due to falling and blowing snow. Damaging winds could blow down trees and power lines. * ADDITIONAL DETAILS...There will be a break in the snowfall for Tuesday into Tuesday night, before heavy snow returns by Wednesday. However, blowing and drifting snow producing significant visibility restrictions will continue above 6000 feet elevation, even during the break in snowfall.

The Winter Storm Watch has been replaced. Please see the latest information from NWS Los Angeles/Oxnard CA on this developing situation.

The Winter Storm Watch has been replaced. Please see the latest information from NWS Los Angeles/Oxnard CA on this developing situation.

The Winter Storm Watch has been replaced. Please see the latest information from NWS Los Angeles/Oxnard CA on this developing situation.

The Winter Storm Watch has been replaced. Please see the latest information from NWS Los Angeles/Oxnard CA on this developing situation.

Wind Advisory issued February 16 at 7:42AM PST until February 16 at 8:00PM PST by NWS San Francisco CA

* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. Locally up to 60 mph above 2000 feet. * WHERE...Interior Central Coast, and Southern Monterey Bay and the Big Sur Coast. * WHEN...Until 8 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winter Weather Advisory issued February 16 at 6:33AM PST until February 18 at 4:00AM PST by NWS Reno NV

* WHAT...Snow. Snow accumulations between 2 and 6 inches. Winds gusting as high as 40 mph. * WHERE...Surprise Valley California. * WHEN...From 4 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday evening and Tuesday morning commutes.

Winter Storm Warning issued February 16 at 6:33AM PST until February 18 at 10:00PM PST by NWS Reno NV

* WHAT...Heavy snow. Snow accumulations 6 to 12 inches west of Highway 395, with local high elevation totals west of Highway 89 up to 2 feet. For valley locations along and east of US395, 4 to 8 inches, including Susanville, Janesville, Standish, and Doyle. Wind gusts on Tuesday, 35 to 45 mph with up to 50 mph for wind prone locations along US-395. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning and evening commutes. * ADDITIONAL DETAILS...Elevations below 5000 feet will initially start as rain, changing to snow Monday afternoon into evening for all elevations.

Winter Storm Warning issued February 16 at 6:33AM PST until February 18 at 10:00PM PST by NWS Reno NV

* WHAT...Heavy snow. Snow accumulations between 2 to 3 feet in the Tahoe Basin, highest on the west shore, and much of Alpine County. Snow accumulations of 3 to 5 feet above 7000 feet. Winds on Tuesday gusting up to 50 mph in valleys, with Sierra ridge gusts over 100 mph. * WHERE...Greater Lake Tahoe Area. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible with periods of white out conditions. Very strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...The highest snowfall rates will be mid-Monday morning through Monday evening, then a second wave mid-Tuesday morning through early Wednesday morning.

Winter Storm Warning issued February 16 at 6:33AM PST until February 18 at 10:00PM PST by NWS Reno NV

* WHAT...Heavy snow. Snow accumulations between 1 to 3 feet along and west of US-395. Accumulations of 3 to 5 feet in the highest elevations along the Sierra crest. Lesser amounts of 2 to 6 inches for the Chalfant Valley. Winds gusting up to 60 mph, with up to 70 mph for wind prone locations along US-395. Sierra ridge gusts over 100 mph. * WHERE...Mono County. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible with periods of white out conditions. Very strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Conditions will rapidly deteriorate Monday evening with the highest snowfall rates anticipated Monday afternoon and night, the a second wave Tuesday afternoon into Wednesday morning.

The Winter Storm Watch has been replaced. Please see the latest information from NWS Eureka CA on this developing situation.

The Winter Storm Watch has been replaced. Please see the latest information from NWS Eureka CA on this developing situation.