Weather Alert in Oklahoma
Flood Warning issued August 27 at 2:16PM CDT until August 30 at 12:09PM CDT by NWS Tulsa OK
AREAS AFFECTED: Cherokee, OK
DESCRIPTION: ...The National Weather Service in Tulsa OK has issued a Flood Warning for the following rivers in Oklahoma... Illinois River near Watts affecting Delaware and Adair Counties. Illinois River at Chewey affecting Delaware, Adair and Cherokee Counties. Illinois River near Tahlequah affecting Cherokee County. * WHAT...Minor flooding is forecast. * WHERE...Illinois River near Tahlequah. * WHEN...From Friday afternoon to early Saturday afternoon. * IMPACTS...At 12.0 feet, minor flooding occurs from near Hanging Rock downstream towards Tahlequah. Extreme turbulence makes the river too hazardous for floating. * ADDITIONAL DETAILS... - At 1:30 PM CDT Wednesday the stage was 5.1 feet. - Forecast...The river is expected to rise above flood stage Friday afternoon to a crest of 12.2 feet early Saturday morning. It will then fall below flood stage Saturday morning. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: N/A
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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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