Weather Alert in Oklahoma
Flood Advisory issued August 26 at 2:56AM CDT until August 27 at 7:00PM CDT by NWS Norman OK
AREAS AFFECTED: Dewey, OK; Major, OK; Woodward, OK
DESCRIPTION: ...The Flood Advisory continues for the following rivers in Oklahoma... North Canadian River near Seiling affecting Dewey, Woodward and Major Counties. * WHAT...Flooding caused by excessive rainfall continues. * WHERE...North Canadian River near Seiling. * WHEN...Until tomorrow evening. * IMPACTS...At 10.0 feet, Some croplands... pastures... and rural roads may be flooded. Areas affected extend from the southwest corner of Major County... downstream to the headwaters of Canton Lake in Dewey County. Cattle and other property should be relocated to places which are higher than nearby river banks... to avoid being isolated for several hours by water in side channels. * ADDITIONAL DETAILS... - At 2:00 AM CDT Tuesday the stage was 6.7 feet. - Bankfull stage is 11.0 feet. - Forecast...The North Canadian River is expected to rise to a crest of 10.2 feet near Seiling this evening. - Action stage is 9.0 feet. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: If you encounter a flooded roadway, turn around and find an alternative route. 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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