Weather Alert in Wyoming
Winter Storm Watch issued February 15 at 12:03PM MST until February 19 at 5:00AM MST by NWS Cheyenne WY
AREAS AFFECTED: Sierra Madre Range; Snowy Range
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations between 12 and 18 inches. Winds could gust as high as 60 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From late Monday night through late Wednesday night. * IMPACTS...Poor visibility expected in falling and blowing snow. Outdoor recreation could become life threatening to those caught unprepared for severe winter conditions. Hikers and snowmobilers may easily become disoriented. Frostbite and hypothermia can develop quickly.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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National Weather Forecast--Current
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North America Water Vapor (Moisture)
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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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