Weather Alert in Oklahoma
Flood Watch issued April 29 at 8:56AM CDT until May 2 at 2:30AM CDT by NWS Norman OK
AREAS AFFECTED: Murray; Carter; Johnston
DESCRIPTION: ...The National Weather Service in Norman OK has issued a Flood Watch for the following rivers in Oklahoma... Washita River near Dickson affecting Johnston, Murray and Carter Counties. * WHAT...Flooding is possible. * WHERE...Washita River near Dickson. * WHEN...From Wednesday afternoon to early Friday morning. * IMPACTS...At 34.0 feet, Flood depths up to 9 feet inundate areas along the Washita River... from near Davis in Murray County... to near Dickson in Carter County... to the headwaters of Lake Texoma in Johnston County. About 7 thousand acres of agricultural lands are covered. Any flooding on tributary creeks is increased by backwater from the Washita River. * ADDITIONAL DETAILS... - At 8:30 AM CDT Tuesday the stage was 17.6 feet. - Forecast...Flood stage may be reached early tomorrow afternoon. - Flood stage is 27.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov.
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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
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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