Weather Alert in Oklahoma
Flood Advisory issued August 28 at 2:28AM CDT until August 30 at 1:00AM CDT by NWS Norman OK
AREAS AFFECTED: Kingfisher, OK; Logan, OK
DESCRIPTION: ...The National Weather Service in Norman has issued a Flood Advisory for the following rivers in Oklahoma... Salt Fork Arkansas River near Alva affecting Woods and Alfalfa Counties. Chikaskia River near Blackwell affecting Kay and Grant Counties. Cimarron River near Dover affecting Kingfisher and Logan Counties. * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Cimarron River near Dover. * WHEN...From early this morning to early Saturday morning. * IMPACTS...At 15.0 feet, The river remains within its banks through Kingfisher County and into western Logan County. Some oilfield equipment in low bottoms may be isolated for a short time. * ADDITIONAL DETAILS... - At 1:30 AM CDT Thursday the stage was 10.9 feet. - Bankfull stage is 17.0 feet. - Forecast...The Cimarron River is expected to rise to a crest of 15.3 feet tomorrow morning. - Action stage is 15.0 feet. - Flood stage is 17.0 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 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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