Weather Alert in Nebraska
Severe Thunderstorm Warning issued August 2 at 4:44PM MDT until August 2 at 5:30PM MDT by NWS Cheyenne WY
AREAS AFFECTED: Sioux, NE; Goshen, WY
DESCRIPTION: SVRCYS The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Southern Sioux County in the Panhandle of Nebraska... Northeastern Goshen County in southeastern Wyoming... * Until 530 PM MDT. * At 444 PM MDT, a severe thunderstorm was located 14 miles southwest of Agate Fossil Beds National Monument, or 17 miles northeast of Torrington, moving southeast at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of southern Sioux and northeastern Goshen Counties.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.
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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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