Weather Alert in Virginia
Flood Warning issued August 21 at 10:47PM EDT until August 22 at 8:45AM EDT by NWS Blacksburg VA
AREAS AFFECTED: Botetourt, VA; Franklin, VA; Roanoke, VA; City of Roanoke, VA; City of Salem, VA
DESCRIPTION: * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of west central Virginia, including the following counties and independent cities, Botetourt, City of Roanoke, City of Salem, Franklin and Roanoke. * WHEN...Until 845 AM EDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is occurring. Numerous roads remain closed due to flooding. Expect many areas of slow moving or standing water. Local media have reported water rescues earlier this evening. * ADDITIONAL DETAILS... - At 1046 PM EDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. Between 3 and 5 inches of rain have fallen. - This includes the following streams and drainages... Big Bear Rock Branch, Back Creek, Carvin Creek and Buffalo Creek. Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Roanoke, Salem, Vinton, Boones Mill, Catawba, Cave Spring and Hollins. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. When it is safe to do so, please send your reports of flooding, including mudslides or flooded roads, to the National Weather Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be shared on the National Weather Service Blacksburg Facebook page and on X.
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Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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
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