Weather Alert in Maine
Winter Storm Watch issued February 22 at 1:53AM EST until February 24 at 7:00AM EST by NWS Caribou ME
AREAS AFFECTED: Southeast Aroostook; Central Penobscot; Southern Piscataquis
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations between 5 and 8 inches possible. Winds could gust as high as 35 mph. * WHERE...Southern Piscataquis, Southeast Aroostook, and Central Penobscot Counties. * WHEN...From Monday morning through Tuesday morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday evening and Tuesday morning commutes.
INSTRUCTION: A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts.
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
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
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