Weather Alert in Florida
Flood Warning issued August 25 at 10:53AM EDT until August 28 at 2:00PM EDT by NWS Melbourne FL
AREAS AFFECTED: Lake, FL; Volusia, FL
DESCRIPTION: ...The National Weather Service in Melbourne FL has issued a Flood Warning for the following rivers in Florida... St Johns River Near Astor affecting Lake and Volusia Counties. .On the Saint Johns River at Astor, river levels are forecast to reach Minor Flood Stage by Tuesday, due to heavy rainfall the last few days and additional rainfall expected this week. The river is forecast to remain in or near Minor Flood stage through the week. For the St. Johns River...including Astor...Minor flooding is forecast. Additional information is available at www.weather.gov. The next statement will be issued Tuesday morning at 1100 AM EDT. * WHAT...Minor flooding is forecast. * WHERE...St Johns River near Astor. * WHEN...From Tuesday morning to early Thursday afternoon. * IMPACTS...At 2.0 feet, River levels rise and fills canals, encroaching on docks, yards and boat ramps in the vicinity of SR-40. Properties in low areas along and near the river and many canals should prepare for further water encroachment. At 2.3 feet, Many docks become submerged along the river and in canals in the Astor community. Water enters yards of properties on Bartram Road, Holiday Circle and along Wild Hog Road on the Lake County side. In Volusia County, water encroaches yards of homes on the river side of Alice Drive. No wake zones are in effect from near the South Moon Canal to approximately 800 feet south of the Riverview lodge. * ADDITIONAL DETAILS... - At 10:30 AM EDT Monday the stage was 2.2 feet. - Bankfull stage is 2.0 feet. - Forecast...The river is expected to rise to a crest of 2.3 feet tomorrow morning. It will then fall below flood stage Thursday morning. - Flood stage is 2.3 feet. - http://www.weather.gov/safety/flood
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - 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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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
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