2 products issued by NWS for: Longmont CO
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1153 AM MDT Wed Jun 26 2024 COZ030>051-271800- Jackson County Below 9000 Feet- West Jackson and West Grand Counties Above 9000 Feet- Grand and Summit Counties Below 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Central and Southeast Park County- Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Elbert/Central and East Douglas Counties Above 6000 Feet- Northeast Weld County-Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Logan County-Washington County-Sedgwick County-Phillips County- 1153 AM MDT Wed Jun 26 2024 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...This Afternoon and Tonight An increase in moisture today will fuel scattered to numerous thunderstorms this afternoon and evening. Some storms may be severe with large hail and strong winds. Heavy rainfall will also accompany the stronger storms. Areas prone to flashing flooding, like burn areas, will see an increased risk today. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Scattered to numerous thunderstorms Thursday afternoon and evening will be strong at times, with a few severe storms possible in the plains late Thursday with hail and wind the primary threats. Storm coverage and intensity are expected to decrease on Friday due to less available moisture. However, there still will be a threat for locally heavy rainfall across the forecast area along with one or two strong to severe storms possible across the far northeastern plains. Saturday should be drier with the threat for locally heavy rainfall returning on Sunday with a couple of strong to severe storms possible further east across the plains. Turning drier early next week with sparse precipitation expected. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight. $$
Air Quality Alert
COC013-123-001-031-059-035-005-014-069-270600- Boulder-Weld-Adams-Denver-Jefferson-Douglas-Arapahoe- Broomfield-Larimer- 410 PM MDT Wed Jun 26 2024 ...OZONE ACTION DAY ALERT FROM 400 PM WEDNESDAY UNTIL 1200 AM THURSDAY... The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Wednesday June 26 to 1200 AM Thursday June 27 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Request to limit driving gas and diesel- powered vehicles is now in effect until midnight, Wednesday night, June 26, 2024. Hot and stagnant conditions on Wednesday will allow Ozone concentrations to reach the Unhealthy For Sensitive Groups level. However, on Thursday, westerly winds will limit Ozone development, and Good to Moderate concentrations are expected.For areas included in this advisory that are not expected to reach the Unhealthy for Sensitive Groups (USG) air quality designation, we request that activities, such as driving non-ZEV vehicles (i.e., gas or diesel), be reduced to lessen the impacts on neighboring air quality. Additional air pollution in this region may directly worsen air quality or contribute to precursors which may also adversely affect air quality. For Colorado air quality conditions, forecasts and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion. $$