Weather Alert in Arkansas
Flood Warning issued April 28 at 9:20PM CDT until May 1 at 1:00PM CDT by NWS Memphis TN
AREAS AFFECTED: Clay, AR; Greene, AR; Dunklin, MO
DESCRIPTION: ...The Flood Warning continues for the following rivers in Arkansas...Missouri... Saint Francis River near Saint Francis For the Saint Francis River...including Saint Francis, Lake City, Madison...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Saint Francis River near Saint Francis. * WHEN...Until early Thursday afternoon. * IMPACTS...At 23.0 feet, Most lowland inside the levee system is flooded. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 23.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 23.3 feet. - Forecast...The river is expected to fall below flood stage early Wednesday afternoon and continue falling to 20.9 feet Saturday evening. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at weather.gov/memphis. .
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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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