Weather Alert in Arkansas
Flood Watch issued August 28 at 12:14PM CDT until August 29 at 1:00PM CDT by NWS Shreveport LA
AREAS AFFECTED: Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; De Soto; Red River; Bienville; Jackson; Ouachita; Caldwell; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass; Upshur; Marion; Harrison
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Arkansas, including the following counties, Columbia, Hempstead, Howard, Lafayette, Little River, Miller, Nevada, Sevier and Union, Louisiana, including the following parishes, Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto, Jackson, Lincoln, Ouachita, Red River, Union and Webster, southeast Oklahoma, including the following county, McCurtain, and northeast Texas, including the following counties, Bowie, Camp, Cass, Franklin, Harrison, Marion, Morris, Red River, Titus and Upshur. * WHEN...From late tonight through Friday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Storms will be possible overnight across the Flood Watch area, which could result in excessive rainfall. An additional 2 to 3 inches of rainfall, with isolated higher amounts, will be possible. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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