Weather Alert in Georgia
Flood Advisory issued August 21 at 1:55PM EDT until August 21 at 4:00PM EDT by NWS Columbia SC
AREAS AFFECTED: Columbia, GA; Richmond, GA
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of east central Georgia, including the following counties, Columbia and Richmond. * WHEN...Until 400 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 155 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... North Augusta, Evans, Augusta, Martinez, Daniel Field, Glendale, Summerville, Midtown, Augusta National Golf Club, Augusta Mall, Village Plaza Shopping Center, Augusta Regional Airport, Minnick Park, Pendleton King Park, Forest Hills, Hillcrest Memorial Park, Westover Memorial Park, Kendan Park, Westwick and Harrisburg. - This includes the following highways... Interstate 20 in Georgia between mile markers 194 and 199. Interstate 520 in Georgia between mile markers 1 and 5...and between mile markers 7 and 13. - http://www.weather.gov/safety/flood
INSTRUCTION: Most flooding deaths occur in vehicles. Never drive through a flooded roadway or around barricades. Turn around, don't drown. Be aware of your surroundings and do not drive on flooded roads.
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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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