Great Sand Dunes National Mo Warnings, Watches and Advisories

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 Great Sand Dunes National Mo.

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

Heat Advisory

Heat Advisory issued June 13 at 3:42AM MDT until June 13 at 7:00PM MDT by NWS Pueblo CO

* WHAT...Heat index values up to 99 expected. * WHERE...El Paso, Pueblo, Crowley, Otero, Bent, Prowers, and Canon City Vicinity/Eastern Fremont County. * WHEN...From noon today to 7 PM MDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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Area
Canon City Vicinity/Eastern Fremont County; Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Ft; Colorado Springs Vicinity/Southern El Paso County/Rampart Range Below 7400 Ft; Pueblo Vicinity/Pueblo County Below 6300 Feet; Crowley County; La Junta Vicinity/Otero County; Las Animas Vicinity/Bent County; Lamar Vicinity/Prowers County

Flood Warning

Flood Warning issued June 12 at 7:33PM MDT by NWS Pueblo CO

...The Flood Warning continues for the following rivers in Colorado... Arkansas River NEAR Avondale affecting Pueblo County. .Snow melt and increased reservoir releases will cause the river flows to remain high. Expect minor flooding downstream from the dam. For the Lower Arkansas River...including Avondale...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Arkansas River near Avondale. * WHEN...Until further notice. * IMPACTS...At 7.0 feet, Minor lowland flooding occurs near Avondale. * ADDITIONAL DETAILS... - At 7:15 PM MDT Wednesday the stage was 8.2 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:15 PM MDT Wednesday was 8.3 feet. - Forecast...The river is expected to remain steady above flood stage at 8.1 feet. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 8.3 feet on 07/26/1950. - http://www.weather.gov/safety/flood

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Area
Pueblo, CO

Flood Warning

Flood Warning issued June 12 at 7:30PM MDT until June 16 at 12:00PM MDT by NWS Pueblo CO

...The Flood Warning continues for the following rivers in Colorado... Arkansas River At Canon City affecting Fremont County. .River flows will remain high due to snow melt in the high country. Minor fluctuations around flood stage will continue. * WHAT...Water levels will waver from bank full to around flood stage. * WHERE...Arkansas River at Canon City. * WHEN...Until early Sunday afternoon. * IMPACTS...At 10.0 feet, Minor flood. Minor overbank flow occurs into low lying areas along river. Water overtops screens at Canon City water supply intake * ADDITIONAL DETAILS... - At 6:15 PM MDT Wednesday the stage was 9.9 feet. - Bankfull stage is 8.0 feet. - Forecast...The river is expected to remain steady at or slightly below flood stage between 9.8 feet and 10.0 feet. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 9.8 feet on 06/07/2010. - http://www.weather.gov/safety/flood

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Area
Fremont, CO

Flood Warning

Flood Warning issued June 12 at 7:23PM MDT by NWS Pueblo CO

...The Flood Warning continues for the following rivers in Colorado... Arkansas River Above Pueblo affecting Pueblo County. * WHAT...The Arkansas river will continue to run from bank full to near flood stage. * WHERE...Arkansas River above Pueblo. * WHEN...Until further notice. * IMPACTS...At 7.5 feet, Minor overbank flow occurs. Damage to irrigation works is possible. * ADDITIONAL DETAILS... - At 6:15 PM MDT Wednesday the stage was 7.6 feet. - Bankfull stage is 6.0 feet. - Forecast...The river is expected to remain steady around to a little below flood stage at 7.6 feet. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 7.6 feet on 06/02/2014. - http://www.weather.gov/safety/flood

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Area
Pueblo, CO

Flood Warning

Flood Warning issued June 12 at 7:16PM MDT by NWS Pueblo CO

...The Flood Warning continues for the following rivers in Colorado... Arkansas River At La Junta affecting Otero County. For the Lower Arkansas River...including La Junta...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Arkansas River at La Junta. * WHEN...Until further notice. * IMPACTS...At 11.0 feet, Minor Flood. Minor agricultural flooding. * ADDITIONAL DETAILS... - At 6:15 PM MDT Wednesday the stage was 11.1 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:15 PM MDT Wednesday was 11.4 feet. - Forecast...The river will fall below flood stage just after midnight tonight to 10.8 feet tomorrow morning. It will then rise to near flood stage again Friday morning. It will fall to 10.8 feet early Sunday morning then rise again. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 11.1 feet on 08/22/1984. - http://www.weather.gov/safety/flood

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Area
Otero, CO

Air Quality Alert

Air Quality Alert issued June 12 at 4:10PM MDT by NWS Pueblo CO

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Southern Lake County and northern Chaffee County. Locations include, but are not limited to, Twin Lakes, Granite, Americus and Buena Vista. WHEN...900 AM Wednesday June 12 to 900 AM Thursday June 13 IMPACTS...Heavy smoke has been observed Wednesday morning near the Interlaken Fire in the Twin Lakes area, with smoke also extending southward along State Highway 24 and the Arkansas River into Americus and Buena Vista. This smoke should diminish by late Wednesday morning as atmospheric mixing increases, however heavy smoke may redevelop in these areas late Wednesday night into early Thursday morning. HEALTH INFORMATION...Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.

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Area
Lake, CO; Chaffee, CO

Air Quality Alert

Air Quality Alert issued June 12 at 4:10PM MDT by NWS Denver CO

The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday June 12 to 400 PM Thursday June 13 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Request to limit driving gas and diesel- powered vehicles is now in effect until at least 4 p.m. Thursday, June 13, 2024. Although ozone is expected to remain in the Moderate category on Wednesday due to gusty westerly winds developing, higher ozone is anticipated for Thursday. The highest ozone concentrations on Thursday are most likely for southwestern parts of the Denver metro area, northward along the foothills to around Golden. For areas included in this advisory that are not expected to reach the Unhealthy for Sensitive Groups (USG) air quality designation, we request that activities, such as driving non-ZEV vehicles (i.e., gas or diesel), be reduced to lessen the impacts on neighboring air quality. Additional air pollution in this region may directly worsen air quality or contribute to precursors which may also adversely affect air quality. For Colorado air quality conditions, forecasts and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.

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Area
Boulder, CO; Weld, CO; Adams, CO; Denver, CO; Jefferson, CO; Douglas, CO; Arapahoe, CO; Broomfield, CO; Larimer, CO

Flood Advisory

Flood Advisory issued June 12 at 1:51PM MDT until June 14 at 12:00AM MDT by NWS Denver CO

...The Flood Advisory continues for the following rivers in Colorado... Colorado River above Grand Lake affecting Grand County. Fraser River from Winter Park to Granby affecting Grand County. .Warm temperatures will continue the snow melt in the Upper Colorado River Basin into early next week. * WHAT...Flooding caused by snowmelt continues. * WHERE...Fraser River from Winter Park to Granby. Also, Along the St Louis and Ranch Creeks. * WHEN...Until early Friday morning. * IMPACTS...At 3.0 feet, Water approaches buildings, floods yards and begins to impact streets close to the river in Winter Park. * ADDITIONAL DETAILS... - At 1:00 PM MDT Wednesday the stage was 2.7 feet. - Bankfull stage is 3.0 feet. - Forecast...The river will oscillate below flood stage with a maximum value of 2.9 feet early Friday morning. - Action stage is 2.7 feet. - Flood stage is 3.0 feet.

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Area
Grand, CO

Flood Advisory

Flood Advisory issued June 12 at 1:51PM MDT until June 15 at 6:00PM MDT by NWS Denver CO

...The Flood Advisory continues for the following rivers in Colorado... Colorado River above Grand Lake affecting Grand County. Fraser River from Winter Park to Granby affecting Grand County. .Warm temperatures will continue the snow melt in the Upper Colorado River Basin into early next week. * WHAT...Flooding caused by snowmelt continues. * WHERE...Colorado River above Grand Lake. * WHEN...Until Saturday evening. * IMPACTS...At 8.0 feet, Considerable lowland flooding occurs with trails and foot bridges along and crossing the river flooded. * ADDITIONAL DETAILS... - At 1:40 PM MDT Wednesday the stage was 7.7 feet. - Bankfull stage is 7.0 feet. - Forecast...The river will oscillate below flood stage with a maximum value of 7.9 feet early Saturday morning. - Action stage is 7.6 feet. - Flood stage is 8.0 feet.

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Area
Grand, CO

Air Quality Alert

Air Quality Alert issued June 12 at 9:10AM MDT by NWS Pueblo CO

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Southern Lake County and northern Chaffee County. Locations include, but are not limited to, Twin Lakes, Granite, Americus and Buena Vista. WHEN...900 AM Wednesday June 12 to 900 AM Thursday June 13 IMPACTS...Heavy smoke has been observed Wednesday morning near the Interlaken Fire in the Twin Lakes area, with smoke also extending southward along State Highway 24 and the Arkansas River into Americus and Buena Vista. This smoke should diminish by late Wednesday morning as atmospheric mixing increases, however heavy smoke may redevelop in these areas late Wednesday night into early Thursday morning. HEALTH INFORMATION...Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.

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Area
Lake, CO; Chaffee, CO
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