Weather Alert in Wyoming
Winter Storm Warning issued February 23 at 11:49AM MST until February 25 at 5:00PM MST by NWS Riverton WY
AREAS AFFECTED: Yellowstone National Park
DESCRIPTION: * WHAT...Heavy snow. Total snow accumulations 12 to 20 inches over the Pitchstone Plateau of southwest Yellowstone National Park. Locally higher amounts over 2 feet will be possible. 6 to 12 inches in central portions of Yellowstone, and between 1 and 4 inches in Lamar Valley and Mammoth. West wind 15 to 30 mph. * WHERE...Yellowstone National Park. * WHEN...From 5 AM Tuesday to 5 PM MST Wednesday. * IMPACTS...Backcountry travel will be very difficult.
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 Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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
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