Weather Alert in Utah
Avalanche Watch issued February 17 at 5:54AM MST by NWS Salt Lake City UT
AREAS AFFECTED: Wasatch Mountains I-80 North; Wasatch Mountains South of I-80; Western Uinta Mountains; Wasatch Plateau/Book Cliffs; Central Mountains; Southern Mountains
DESCRIPTION: AVASLC * WHAT...Heavy snowfall and strong winds are increasing avalanche danger across the mountains of Northern and Central Utah, as well as Southwestern Utah and Southeast Idaho. Forecasters at the Utah Avalanche Center expect dangerous, complex avalanche conditions to develop on many slopes this week, with large natural and human-triggered avalanches likely. * WHERE...The mountains of Northern, Central, and Southwestern Utah, as well as Southeastern Idaho. * WHEN...The Watch will be in effect from 6 AM Tuesday through 6 AM Wednesday. * IMPACTS...Dangerous avalanche conditions are expected to develop on many slopes. Avalanches can be triggered on slopes steeper than 30 degrees. They may also be triggered remotely (from a distance) or from below. * ADDITIONAL DETAILS...What to do...Avoid traveling on or underneath steep terrain at mid and upper elevations in the backcountry. Carry and know how to use avalanche rescue equipment, including a transceiver, shovel, and probe. Find safer riding conditions on slopes less than 30 degrees with no overhead hazard.
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 Watch does not apply to ski areas where avalanche hazard reduction measures are performed.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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