2 products issued by NWS for:
Air Quality Alert
COC013-123-005-001-069-059-035-031-014-142200- Boulder-Weld-Arapahoe-Adams-Larimer-Jefferson-Douglas- Denver-Broomfield- 410 PM MDT Sun Jul 13 2025 ...OZONE ACTION DAY ALERT FROM 400 PM SUNDAY UNTIL 400 PM MONDAY... 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 Sunday July 13 to 400 PM Monday July 14 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot and stagnant weather will allow ozone to reach the Unhealthy for Sensitive Groups category on Sunday and Monday. The highest concentrations are expected in western portions of the Denver Metro area, and northward along the I-15 corridor towards Fort Collins. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Monday, July 14, 2025. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health 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. $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 743 AM MDT Sun Jul 13 2025 COZ030>051-141345- 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- 743 AM MDT Sun Jul 13 2025 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight Scattered afternoon showers are on tap once again today for the high country, with potential for a few to spill onto the adjacent plains through the evening. High temperatures will begin a warming trend today, climbing back into the 90s across the lower elevations through mid-week. .DAYS TWO THROUGH SEVEN...Monday through Saturday Afternoon showers and storms are expected to develop over the higher terrain each day this week, with increasing chances of making their way onto the lower elevations from Tuesday onward. A shortwave passing over the Rockies by mid-week will bring more widespread showers and storms and a brief reprieve from the 90s for portions of the plains. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight. $$