Weather Alert in Oklahoma
Severe Thunderstorm Warning Severe Thunderstorm Watch
Flood Advisory issued April 28 at 8:04PM CDT until April 29 at 1:00PM CDT by NWS Norman OK
AREAS AFFECTED: Jefferson, OK; Love, OK; Clay, TX; Montague, TX
DESCRIPTION: ...The National Weather Service in Norman has issued a Flood Advisory for the following rivers in Oklahoma...Texas... Red River near Terral affecting Jefferson, Clay, Montague and Love Counties. * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Red River near Terral. * WHEN...From this evening to early tomorrow afternoon. * IMPACTS...At 21.0 feet, Some low-lying areas near the river may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest approaches the Terral Oklahoma area. The river crest reaches the Illinois bend area near Leon Oklahoma several hours later. * ADDITIONAL DETAILS... - At 7:00 PM CDT Monday the stage was 19.7 feet. - Bankfull stage is 22.0 feet. - Forecast...The Red River is expected to rise to a crest of 20.0 feet just after midnight tonight. - Action stage is 20.0 feet. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
INSTRUCTION: If you encounter a flooded roadway, turn around and find an alternative route. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.
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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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