Weather Alert in Arkansas
Flood Advisory issued June 8 at 8:02PM CDT until June 13 at 7:00AM CDT by NWS Little Rock AR
AREAS AFFECTED: Randolph, AR
DESCRIPTION: ...The Flood Advisory continues for the following rivers in Arkansas... Black River At Pocahontas affecting Randolph County. For the Black River...including Corning, Pocahontas, Black Rock... elevated river levels are forecast. * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Black River at Pocahontas. * WHEN...Until Friday morning. * IMPACTS...At 17.0 feet, Agricultural lands along the river east and south of Pocahontas will be impacted by high water. Equipment and livestock should be moved to higher ground. * ADDITIONAL DETAILS... - At 7:00 PM CDT Sunday the stage was 15.5 feet. - Forecast...The river is expected to rise to a crest of 16.7 feet Tuesday morning. - Action stage is 16.0 feet. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Caution is urged when walking near riverbanks. If you encounter a flooded roadway, turn around and find an alternative route. 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 Monday evening at 815 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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