Weather Alert in North Carolina
Special Weather Statement issued February 20 at 5:18AM EST by NWS Morristown TN
AREAS AFFECTED: Cherokee; Clay; Claiborne; Hancock; Hawkins; Sullivan; Anderson; Union; Grainger; Hamblen; Northwest Cocke; Northwest Greene; Washington; Northwest Carter; Roane; Loudon; Knox; Jefferson; NW Blount; North Sevier; Rhea; Meigs; McMinn; Northwest Monroe; Hamilton; Bradley; West Polk; East Polk; Lee; Wise; Scott; Russell; Washington
DESCRIPTION: A line of showers and possibly a thunderstorm or two will move through east Tennessee, southwest Virginia, and extreme southwest North Carolina early this morning. There will be gusty winds at times ahead of this line, and as the line moves through some locations will likely have brief wind gusts between 35 and 45 mph. These winds may down tree branches, blow around unsecured outdoor items, and make travel challenging for high-profile vehicles.
INSTRUCTION: N/A
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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