Weather Alert in Nebraska
Flood Watch issued February 5 at 3:23AM CST until February 9 at 10:00PM CST by NWS Omaha/Valley NE
AREAS AFFECTED: Antelope; Pierce; Madison; Stanton; Cuming; Platte; Colfax; Dodge; Washington; Butler; Saunders; Douglas; Sarpy; Cass
DESCRIPTION: A watch has been issued for the Platte, Elkhorn, and Loup rivers due to potential ice jam development. This heightened threat is due to persistent warm weather. Those with interests along area rivers, especially in low-lying areas, should remain vigilant to the potential for rapidly rising water. * WHAT...Flooding caused by an ice jam is possible. * WHERE...Portions of east central, northeast, and southeast Nebraska, including the following counties, in east central Nebraska, Butler, Dodge, Douglas, Sarpy, Saunders and Washington. In northeast Nebraska, Antelope, Colfax, Cuming, Madison, Pierce, Platte and Stanton. In southeast Nebraska, Cass. * WHEN...Through Monday evening. * IMPACTS...The formation of an ice jam could result in sudden rises of water, leading to a rapid flooding situation. Ice jams can cause water level fluctuations of 1 to 3 feet over a very short time period and without much notice. * ADDITIONAL DETAILS... - While no ice movement has been observed or reported, several consecutive days of highs ranging from the upper 40s to mid 60s suggest breakup and movement is imminent.
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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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