Weather Alert in Arkansas
Flood Warning issued April 23 at 8:21PM CDT by NWS Little Rock AR
AREAS AFFECTED: Jackson, AR; Woodruff, AR
DESCRIPTION: ...The Flood Warning continues for the following rivers in Arkansas... Cache River Near Patterson affecting Woodruff and Jackson Counties. For the Cache River...including Patterson...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Cache River near Patterson. * WHEN...Until further notice. * IMPACTS...At 9.0 feet, Low swampy timberland along the river begins to flood. Flood gates should be closed and equipment moved out of the low grounds along the river and tributaries. At 10.0 feet, Pastureland and cropland not protected by levees in Jackson and Woodruff counties affected. Water is over portions of State Highway 37 and deep along the shoulders of State Highway 18 near Grubbs. Water over portions of Woodruff County Road 775 north of State Highway 260. At 10.5 feet, Water deep over Woodruff County Road 775 north of HWY 260, and intersection of HWY 37 and HWY 18 east of Grubbs. Water is encroaching on yards of homes on Pine Street in Patterson. Many acres of cropland, pastures, and timber flooded in Jackson and Woodruff counties. At 11.0 feet, Water near homes on Pine Street in Patterson. Water deep over Woodruff County Road 775. Water around camps along State Highways 14 and 18 in Jackson County. Many acres of cropland, pastures, and timberland flooded in Craighead, Jackson, and Woodruff counties. At 12.0 feet, Water near foundations of homes on Pine Street in Patterson. Cabins and camps along State Highway 14, 18, and 33 flooded. State Highway 37 near Grubbs may be partially flooded. Water may be on State Highway 33 between Gregory and Little Dixie. Most unprotected farmlands flooded and some levees overtopped. * ADDITIONAL DETAILS... - At 7:15 PM CDT Wednesday the stage was 11.4 feet. - Forecast...The river is expected to rise to a crest of 11.7 feet Saturday evening, April 26. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 Thursday evening at 830 PM CDT.
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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
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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