Weather Alert in Utah

Avalanche Warning issued February 25 at 6:12AM MST by NWS Salt Lake City UT

AREAS AFFECTED: Wasatch Mountains I-80 North; Wasatch Mountains South of I-80

DESCRIPTION: AVWSLC * WHAT...The avalanche danger is HIGH in the backcountry today; very dangerous avalanche conditions exist, with both natural and human-triggered avalanches likely. * WHERE...For the mountains of Northern Utah and Southeast Idaho, including the Wasatch and Bear River mountain ranges. * WHEN...In effect from 6 AM MST this morning (February 25) to 6 AM MST Thursday (February 26). * IMPACTS...Recent heavy snow combined with wind has overloaded slopes with poor snow structure and created widespread areas of unstable snow. Both human-triggered and natural avalanches are likely. People should avoid travel in avalanche terrain and stay clear of avalanche runouts. Stay off and out from under slopes steeper than 30 degrees.

INSTRUCTION: Stay off of and out from under slopes steeper than 30 degrees. Backcountry travelers should consult www.utahavalanchecenter.org or call 1-888-999-4019 for more detailed information. This Warning does not apply to ski areas where avalanche hazard reduction measures are performed.

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Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

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

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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