Weather Alert in Virginia
Coastal Flood Advisory issued August 20 at 9:35PM EDT until August 21 at 10:00AM EDT by NWS Wakefield VA
AREAS AFFECTED: Accomack; Northampton
DESCRIPTION: * WHAT...For the Beach Hazards Statement, a high risk of rip currents is expected. For the High Surf Advisory, large breaking waves of 8 to 12 feet expected in the surf zone. For the Coastal Flood Advisory, around 1 foot of inundation above ground level possible in low-lying areas. For the Coastal Flood Warning, one to three feet of inundation above ground level possible in low- lying areas near shorelines and tidal waterways. * WHERE...Accomack and Northampton Counties. * WHEN...For the Coastal Flood Advisory, until 10 AM EDT Thursday. For the High Surf Advisory, until 7 AM EDT Friday. For the Beach Hazards Statement, through Friday evening. For the Coastal Flood Warning, from 5 PM Thursday to 2 PM EDT Friday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Very dangerous swimming and surfing conditions are expected, as well as the wave action resulting in significant beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. Dangerous shore break can throw a swimmer or surfer head first into the bottom causing neck and back injuries.
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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Remain out of the water to avoid hazardous swimming conditions.
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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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