Weather Alert in North Carolina
Flood Watch issued July 17 at 11:18AM EDT until July 18 at 12:00AM EDT by NWS Blacksburg VA
AREAS AFFECTED: Ashe; Alleghany; Surry; Stokes; Watauga; Wilkes; Yadkin; Tazewell; Smyth; Bland; Wythe; Grayson; Carroll; Patrick; Mercer; Summers; Monroe; Eastern Greenbrier; Western Greenbrier
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of North Carolina, including the following areas, Alleghany NC, Ashe, Stokes, Surry, Watauga, Wilkes and Yadkin, southwest Virginia, including the following areas, Bland, Carroll, Grayson, Patrick, Smyth, Tazewell and Wythe, and southeast West Virginia, including the following areas, Eastern Greenbrier, Mercer, Monroe, Summers and Western Greenbrier. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms are expected to develop during the peak heating part of the day. Rainfall rates of 2 to 4 inches in an hour are possible, and this may lead to flash flooding if a storm lingers over an area for even a short amount of time. Repetitive rounds of rain may also lead to flash flooding. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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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