Weather Alert in Colorado
Winter Storm Watch issued May 5 at 3:00AM MDT until May 7 at 6:00AM MDT by NWS Denver CO
AREAS AFFECTED: 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
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations 12 to 22 inches possible, heaviest amounts on the crest and eastern slopes of the Front Range. Much lighter snow in valleys of Summit County to Vail Pass. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From Tuesday morning through late Tuesday night. * IMPACTS...Travel could be very difficult, including I-70 east of the Eisenhower Tunnel, the Peak to Peak Highway, US40 and Berthoud Pass area, and Highway 14 over and east of Cameron Pass. The hazardous conditions will impact the late Tuesday morning and Tuesday evening commutes. * ADDITIONAL DETAILS...Some snow will fall this afternoon and tonight, and slush/snow can be expected on the higher passes. More significant travel impacts can be expected Tuesday and Tuesday night.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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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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