Weather Alert in Oklahoma
Flood Warning issued April 29 at 11:07AM CDT until May 1 at 5:24AM CDT by NWS Norman OK
AREAS AFFECTED: Pottawatomie, OK; Seminole, OK
DESCRIPTION: ...The Flood Warning continues for the following rivers in Oklahoma... Little River near Tecumseh affecting Seminole and Pottawatomie Counties. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Little River near Tecumseh. * WHEN...Until early Thursday morning. * IMPACTS...At 17.0 feet, Significant flooding to depths of 6 feet damages croplands... pastures... and rural roads along the river downstream of the U.S. Highway 177 bridge crossing... with lesser damage occurring upstream of U.S. Highway 177. The area affected is entirely rural... and downstream of Lake Thunderbird... from near Macomb in Pottawatomie County to near Bowlegs in western Seminole County. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 12.1 feet. - Bankfull stage is 11.0 feet. - Forecast...The Little River is expected to rise to a crest of 16.7 feet just after midnight tonight. It will then fall below flood stage late tomorrow evening. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov.
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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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