Weather Alert in Wyoming
Winter Storm Warning issued February 25 at 1:31AM MST until February 25 at 5:00PM MST by NWS Riverton WY
AREAS AFFECTED: Wind River Mountains West
DESCRIPTION: * WHAT...Heavy snow expected. Additional snow accumulations of 9 to 15 inches for elevations above 9,500 feet AGL. 2 to 4 inches possible over South Pass. Gusty west winds around 60 mph will be common, including over South Pass. * WHERE...Wind River Mountains West. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult over South Pass. The hazardous conditions could impact the Wednesday morning commute. * ADDITIONAL DETAILS...For South Pass, the most likely period of heavy snow will occur before 11AM MST.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .
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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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