Weather Alert in Wyoming
Winter Weather Advisory issued February 18 at 12:54AM MST until February 19 at 11:00AM MST by NWS Riverton WY
AREAS AFFECTED: Southwest Bighorn Basin; Southeast Bighorn Basin; Owl Creek and Bridger Mountains
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations between 2 and 4 inches, with locally higher amounts south and east of a Worland to Thermopolis line. Winds gusting as high as 35 mph. * WHERE...Owl Creek and Bridger Mountains, Southwest Bighorn Basin, and Southeast Bighorn Basin. * WHEN...From 5 PM this afternoon to 11 AM MST Thursday. The steadiest snow will fall Wednesday night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes.
INSTRUCTION: Slow down and use caution while traveling. 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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Current U.S. National Radar--Current
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National Weather Forecast--Current
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North America Water Vapor (Moisture)
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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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