Weather Alert in North Carolina
Special Weather Statement issued February 20 at 3:35AM EST by NWS Morristown TN
AREAS AFFECTED: Cherokee; Clay; Scott; Campbell; Claiborne; Hancock; Hawkins; Sullivan; Morgan; Anderson; Union; Grainger; Hamblen; Northwest Cocke; Northwest Greene; Washington; Northwest Carter; Roane; Loudon; Knox; Jefferson; NW Blount; North Sevier; Sequatchie; Bledsoe; Rhea; Meigs; McMinn; Northwest Monroe; Marion; 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 Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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