Weather Alert in Colorado
Air Quality Alert issued August 10 at 4:10PM MDT by NWS Denver CO
AREAS AFFECTED: Gilpin, CO; Clear Creek, CO; Summit, CO; Grand, CO
DESCRIPTION: The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Gilpin, Clear Creek, Lake, Rio Blanco, Eagle, Summit, Garfield, Pitkin, Gunnison and Grand Counties. Locations include, but are not limited to Central City, Georgetown, Leadville, Meeker, Rangely, Eagle, Vail, Breckenridge, Glenwood Springs, Aspen, Gunnison, Granby, Hot Sulphur Springs and Kremmling. WHEN...900 AM Sunday August 10 to 900 AM Monday August 11 IMPACTS...Smoke from large wildfires in Rio Blanco is impacting a large area of central Colorado. Periods of moderate to heavy smoke are possible throughout the advisory area on Sunday and Monday. HEALTH INFORMATION...There was a problem with the request.
INSTRUCTION: N/A
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Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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