Weather Alert in Oklahoma
Flood Watch issued August 25 at 1:54PM CDT until August 27 at 7:00AM CDT by NWS Norman OK
AREAS AFFECTED: Woods; Woodward; Major
DESCRIPTION: ...The National Weather Service in Norman OK has issued a Flood Watch for the following rivers in Oklahoma... Cimarron River near Waynoka affecting Major, Woods and Woodward Counties. * WHAT...Flooding is possible. * WHERE...Cimarron River near Waynoka. * WHEN...From Tuesday evening to Wednesday morning. * IMPACTS...At 8.0 feet, Bankfull conditions exist along the river... and some overflows may occur over some low-lying areas near the river. The river reach affected extends from near Freedom upstream... to the U.S. Highway 281 crossing south of Little Sahara State Park near Waynoka... to near Orienta in Major County. * ADDITIONAL DETAILS... - At 1:30 PM CDT Monday the stage was 6.0 feet. - Forecast...Flood stage may be reached tomorrow evening. - Flood stage is 8.0 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 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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