Weather Alert in Georgia
Flood Warning issued February 27 at 6:48AM EST until February 28 at 7:00PM EST by NWS Peachtree City GA
AREAS AFFECTED: Forsyth, GA; Fulton, GA
DESCRIPTION: ...The National Weather Service in Peachtree City GA has issued a Flood Warning for the following rivers in Georgia... Big Creek near Alpharetta affecting Fulton and Forsyth Counties. * WHAT...Minor flooding is occurring. * WHERE...Big Creek near Alpharetta. * WHEN...Until Saturday evening. * IMPACTS...At 8.0 feet, Minor flooding continues to expand further into the woodlands and fields along the creek from near Cumming in south Forsyth County to Alpharetta and Roswell in north Fulton County. Additional portions of The Big Creek Greenway have minor flooding with 1 to 2 feet of water. Most of the walking and biking paths will be closed...especially upstream and downstream from the gage on Kimball Bridge Road and near Rock Mill Park. Portions of the YMCA Campground off Preston Ridge Road will flood. * ADDITIONAL DETAILS... - At 6:30 AM EST Friday the stage was 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:30 AM EST Friday was 7.0 feet. - Forecast...The river is expected to rise to a crest of 7.7 feet this evening. It will then fall below flood stage by Saturday evening. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.7 feet on 02/14/2020. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at weather.gov/atlanta.
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Weather Topic: What are Mammatus Clouds?
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A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
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Weather Topic: What is Precipitation?
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Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
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