Weather Alert in Washington
Winter Weather Advisory issued March 31 at 7:58PM PDT until April 2 at 11:00AM PDT by NWS Pendleton OR
AREAS AFFECTED: Upper Slopes of the Eastern Washington Cascades Crest
DESCRIPTION: ...COLD AND WET STORM BRINGS HEAVY MOUNTAIN SNOW TO THE CASCADES... * WHAT...Snow expected. Total snow accumulations up to 7 inches. Winds gusting as high as 45 mph along exposed ridges. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 5 AM Wednesday to 11 AM PDT Thursday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
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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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