Weather Alert in Maryland
Special Weather Statement issued February 11 at 7:47PM EST by NWS Baltimore MD/Washington DC
AREAS AFFECTED: Extreme Western Allegany; Central and Eastern Allegany; Western Garrett; Eastern Garrett; Western Highland; Eastern Highland; Western Grant; Eastern Grant; Western Mineral; Eastern Mineral; Western Pendleton; Eastern Pendleton
DESCRIPTION: * WHAT...Scattered to numerous snow showers. Winds gusting as high as 45 mph. * WHERE...Near and west of the Allegheny Front for snow, near and east of the Allegheny Front for wind. * WHEN...Continuing through Thursday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow showers may be moderate at times this evening, perhaps spilling into the foothills. Localized snowfall accumulations of 1 to 3 inches are possible, mainly along west-facing slopes above 2500 feet through Thursday. The strongest wind gusts to near 45 mph are expected through this evening near and east of the Allegheny Front.
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. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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