Weather Alert in Wisconsin
Winter Storm Warning issued March 13 at 12:13PM CDT until March 16 at 7:00AM CDT by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: St. Croix; Pierce; Dunn; Pepin; Chippewa; Eau Claire
DESCRIPTION: ...POWERFUL WINTER STORM ON TRACK TO BRING EXTREME SNOW ACCUMULATIONS AND GUSTY WINDS... ...TRAVEL MAY BECOME IMPOSSIBLE LATE SATURDAY NIGHT AND SUNDAY... .A major winter storm will move across the Upper Midwest starting late Saturday and lasting through Sunday. The first concern is heavy snow, with a broad area of 10 to 16 inches likely, and a narrow swath of 15 to 20 inches Totals across portions of western and central Wisconsin could approach 2 feet. The heaviest snow will fall Saturday evening and overnight, with rates of 2 inches per hour possible. Winds will start out of the northeast at 20 to 30 mph. The second concern is increasing winds on Sunday. Even though the snow will be diminishing on Sunday, northwest winds will increase to 35 to 45 mph. The combination of heavy snow and gusty winds will reduce visibility and create periods of blizzard conditions on Sunday across western and southern Minnesota. Travel is expected to become very difficult or impossible late Saturday night and Sunday. In addition, the amount of water in the snowpack will make it wet and very heavy, leading to the potential for infrastructure damage and a health hazard for those shoveling. * WHAT...Heavy snow expected. Total snow accumulations between 12 and 18 inches. Winds gusting as high as 40 mph. * WHERE...Chippewa, Dunn, Eau Claire, Pepin, Pierce, and St. Croix Counties. * WHEN...From 7 PM Saturday to 7 AM CDT Monday. * IMPACTS...Travel could be very difficult to impossible. Widespread blowing snow could significantly reduce visibility. The hazardous conditions will impact the Monday morning commute. Gusty winds could bring down tree branches.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 5 1 1 or visit 511wi.gov for road conditions.
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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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