Weather Alert in Colorado

Recent Locations: Granite Falls, MN   Denver, CO  
Current Alerts for Denver, CO: Air Quality Alert

Air Quality Alert issued July 11 at 9:10AM MDT by NWS Pueblo CO

AREAS AFFECTED: Rio Grande, CO; Mineral, CO; Conejos, CO; Saguache, CO

DESCRIPTION: The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Saguache, San Juan, Hinsdale, Mineral, Archuleta, Mesa, Delta, Gunnison, Montrose, Ouray, San Miguel, Dolores, Montezuma, La Plata, Rio Grande and Conejos Counties. Locations include, but are not limited to Saguache, Silverton, Lake City, Creede, Pagosa Springs, Delta, Gunnison, Montrose, Nucla, Ouray, Telluride, Dove Creek, Cortez, Durango, Hermosa, Honeyville, Rockwood, Del Norte, South Fork and Conejos. WHEN...900 AM Friday July 11 to 900 AM Saturday July 12 IMPACTS...Multiple wildfires across the region will produce moderate to heavy smoke through at least early Saturday 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.

INSTRUCTION: N/A

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

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