Weather Alert in Oklahoma
Severe Thunderstorm Warning issued April 30 at 3:40AM CDT until April 30 at 4:30AM CDT by NWS Norman OK
AREAS AFFECTED: Carter, OK; Garvin, OK; Grady, OK; Murray, OK; Stephens, OK
DESCRIPTION: SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Western Garvin County in southern Oklahoma... Southeastern Grady County in central Oklahoma... Stephens County in southern Oklahoma... Northwestern Carter County in southern Oklahoma... Southwestern Murray County in southern Oklahoma... * Until 430 AM CDT. * At 340 AM CDT, a severe thunderstorm was located 5 miles northwest of Velma, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Duncan, Pauls Valley, Marlow, Bray, Elmore City, Velma, Katie, Foster, Tatums, Loco, Ratliff City, Graham, Pooleville, Antioch, Hennepin, Fox, Pernell, and Whitebead.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.
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Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
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