Weather Alert in Tennessee
Winter Weather Advisory issued February 22 at 1:07AM EST until February 24 at 12:00AM EST by NWS Morristown TN
AREAS AFFECTED: Johnson; Cocke Smoky Mountains; Southeast Greene; Unicoi; Southeast Carter; Blount Smoky Mountains; Sevier Smoky Mountains
DESCRIPTION: * WHAT...Two rounds of snow are expected. Light snow this morning. Then the second round from Sunday night through Monday. Total snow accumulations from both rounds from 1 to 4 inches from 2500 to 4000 feet. From 4 to 7 inches above 4000 feet. Isolated amounts over 7 inches possible near to above 6000 feet. Winds gusting to around 40 mph. Wind chill values in the single digits to a few degrees below zero at times. * WHERE...A portion of east Tennessee. * WHEN...Until midnight EST Monday Night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. Gusty winds could bring down tree branches.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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North America Water Vapor (Moisture)
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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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