Weather Alert in Virginia
Coastal Flood Advisory issued August 21 at 9:50AM EDT until August 21 at 8:00PM EDT by NWS Wakefield VA
AREAS AFFECTED: Richmond; Lancaster; New Kent; Gloucester; Middlesex; Mathews; Eastern King William; Eastern King and Queen; Western Essex; Eastern Essex
DESCRIPTION: * WHAT...For the Coastal Flood Advisory, up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Warning, one to three feet of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE...Richmond, Lancaster, New Kent, Gloucester, Middlesex, Mathews, Eastern King William, Eastern King and Queen, Western Essex and Eastern Essex Counties. * WHEN...For the Coastal Flood Advisory, until 8 PM EDT this evening. For the Coastal Flood Warning, from 8 PM this evening to 6 AM EDT Saturday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Some shoreline erosion may occur.
INSTRUCTION: Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
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
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