Weather Alert in Virginia
Winter Storm Watch issued February 21 at 1:46AM EST until February 23 at 6:00AM EST by NWS Baltimore MD/Washington DC
AREAS AFFECTED: Northern Virginia Blue Ridge; Central Virginia Blue Ridge
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations of 5 inches or more are possible, especially above 2500 feet. Winds could gust as high as 45 mph. * WHERE...Central Virginia Blue Ridge and Northern Virginia Blue Ridge. * WHEN...From Sunday morning through late Sunday night. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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Current U.S. National Radar--Current
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National Weather Forecast--Current
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North America Water Vapor (Moisture)
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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