Weather Alert in West Virginia
Flood Warning issued May 13 at 4:09PM EDT until May 14 at 9:12PM EDT by NWS Baltimore MD/Washington DC
AREAS AFFECTED: Berkeley, WV; Jefferson, WV
DESCRIPTION: ...The Flood Warning continues for the following rivers in West Virginia...Maryland... North Branch Potomac River Near Cumberland affecting Mineral, Hampshire and Allegany Counties. Potomac River at Paw Paw affecting Morgan, Hampshire and Allegany Counties. Opequon Creek near Martinsburg affecting Berkeley and Jefferson Counties. For the North Branch Potomac River...including Kitzmiller, Luke, Cumberland...Moderate flooding is forecast. For the Potomac River...including Paw Paw, Hancock, Shepherdstown, Harpers Ferry, Point of Rocks, Edwards Ferry, Little Falls... Moderate flooding is forecast. For the Opequon Creek...including Martinsburg...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Opequon Creek near Martinsburg. * WHEN...From Wednesday morning to late tomorrow evening. * IMPACTS...At 10.0 feet, Floodwaters begin to cover Douglas Grove Road (County Road 9/16) east of Martinsburg. A portion of Bowers Road is also flooded. Low lying areas near the creek begin to flood. Water also begins to cover the stream access point at the Van Metre Ford Pedestrian Bridge. * ADDITIONAL DETAILS... - At 4:00 PM EDT Tuesday the stage was 2.9 feet, or 7.1 feet below flood stage. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 10.2 feet early tomorrow afternoon. It will then fall below flood stage tomorrow afternoon. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.2 feet on 12/08/2011. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/washington or www.weather.gov/baltimore. The next statement will be issued late tonight at 415 AM EDT.
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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