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 are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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