Weather Alert in Oklahoma
Flood Advisory issued June 24 at 8:51PM CDT by NWS Tulsa OK
AREAS AFFECTED: Muskogee, OK
DESCRIPTION: ...The Flood Advisory continues for the following rivers in Oklahoma... Arkansas River near Muskogee affecting Muskogee County. * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Arkansas River near Muskogee. * WHEN...Until further notice. * IMPACTS...At 27.0 feet, no flooding occurs but low lying agricultural areas may be threatened. Continue to monitor later forecasts. * ADDITIONAL DETAILS... - At 8:00 PM CDT Tuesday the stage was 27.1 feet. - Forecast...The river is expected to fluctuate around 27 feet until further notice. - Action stage is 27.0 feet. - Flood stage is 28.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: N/A
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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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