Weather Alert in South Carolina
Lake Wind Advisory issued February 6 at 8:56AM EST until February 7 at 1:00PM EST by NWS Columbia SC
AREAS AFFECTED: Chesterfield; Kershaw; Lee; Sumter; Northern Lancaster; Southern Lancaster
DESCRIPTION: * WHAT...For the Freezing Fog Advisory, visibility 2 to 3 miles in freezing fog. For the Lake Wind Advisory, northwest winds 5 to 10 mph with gusts up to 25 mph expected. * WHERE...Chesterfield, Kershaw, Lee, Northern Lancaster, Southern Lancaster, and Sumter Counties. * WHEN...For the Freezing Fog Advisory, until 10 AM EST this morning. For the Lake Wind Advisory, from 7 PM this evening to 1 PM EST Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Low visibility could make driving conditions hazardous. Roads, and especially bridges and overpasses, will likely become slick and hazardous.
INSTRUCTION: Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
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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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