Weather Alert in Maryland
Winter Weather Advisory issued March 2 at 6:39AM EST until March 3 at 10:00AM EST by NWS Baltimore MD/Washington DC
AREAS AFFECTED: Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Rappahannock; Culpeper; Fairfax; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park
DESCRIPTION: * WHAT...Mixed precipitation expected. Total snow accumulations up to one inch and ice accumulations up to one tenth of an inch. * WHERE...Portions of central Maryland and northern and northwest Virginia. * WHEN...From 10 PM this evening to 10 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Some locations may see up to an inch of snow between late morning and late afternoon today, but roadway impacts should be limited. The primary threat to travel will be overnight from a wintry mix, which could briefly be snow or sleet but primarily fall as freezing rain. Precipitation will change to plain rain by mid morning Tuesday.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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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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