Weather Alert in Maryland
Winter Weather Advisory issued March 2 at 2:26AM 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; Western Garrett; 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 and western 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 Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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