Weather Alert in Tennessee
Severe Thunderstorm Warning issued April 3 at 9:05PM CDT until April 3 at 9:30PM CDT by NWS Memphis TN
AREAS AFFECTED: Benton, TN; Carroll, TN; Chester, TN; Decatur, TN; Henderson, TN
DESCRIPTION: At 904 PM CDT, a severe thunderstorm was located over Parkers Crossroads, or 8 miles north of Lexington, moving east at 60 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Hickory Flat, Dollar, Atwood, Lexington, Rock Hill, Bruceton, Holladay, Leach, Middle Fork, Blue Goose, Decaturville, Tate, Palmer Shelter, Hinson Springs, Buena Vista, Hollow Rock, Camden, Clarksburg, Perryville, and Huron.
INSTRUCTION: A Tornado Watch remains in effect until 1000 PM CDT for west Tennessee. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the storm shelter or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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