Weather Alert in Arkansas
Flood Warning issued May 24 at 8:22PM CDT by NWS Little Rock AR
AREAS AFFECTED: Independence, AR; Jackson, AR; Lawrence, AR
DESCRIPTION: ...The Flood Warning is extended for the following river in Arkansas... Black River At Black Rock affecting Lawrence, Independence and Jackson Counties. For the Black River...including Corning, Pocahontas, Black Rock... Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Black River at Black Rock. * WHEN...From this evening until further notice. * IMPACTS...At 14.0 feet, Minor flooding begins. Farm ground along east bank begins to flood. At 17.0 feet, Low lying cultivated land and pastures in Lawrence, Jackson, and Independence counties flood. At 20.0 feet, Agricultural land is flooding along both banks of the river in Lawrence, Independence, and Jackson counties. Minor flooding in Powhatan Community and Courthouse State Park. * ADDITIONAL DETAILS... - At 7:00 PM CDT Saturday the stage was 14.5 feet. - Forecast...The river is expected to rise to a crest of 21.5 feet Tuesday evening (May 27). - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. River forecasts are based on current conditions and rainfall forecasted to occur over the next 24 hours. During periods of flooding...Evening forecasts are reissued with updated rainfall forecasts. Observed and forecasted stage data plots are available on our Advanced Hydrologic Prediction Service web page at... www.weather.gov/lzk Under the Current Conditions section...Select River and Lakes AHPS. The next statement will be issued Sunday evening at 830 PM CDT.
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
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.
Next Topic: Rain
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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