Weather Alert in Wisconsin
Winter Storm Watch issued March 13 at 5:44AM CDT until March 16 at 1:00PM CDT by NWS La Crosse WI
AREAS AFFECTED: Buffalo; Trempealeau; Jackson; La Crosse; Monroe; Juneau; Adams; Vernon; Crawford; Richland; Grant
DESCRIPTION: ...BLOWING SNOW POSSIBLE THIS MORNING WITH A MAJOR WINTER STORM FOR LATER THIS WEEKEND... .Light snow, combined with increasing winds, could lead to blowing snow and travel impacts across northern into central Wisconsin this morning. These impacts lessen during the afternoon. A second winter storm could approach historic levels as a large band of 12 to 18 inches of snow falls across the region with localized amounts up to 24 inches. The main uncertainty in the forecast is exactly where this band sets up with the highest confidence currently between the Twin Cities and Rochester in southeast Minnesota and along and north of the I-94 corridor in western Wisconsin. There will be a relatively sharp gradient in snow amounts on the southern side of the snow band over northeast Iowa and southwest Wisconsin. In addition to the heavy snow, winds increase Sunday afternoon into Monday morning, with gusts of 35 to 50 mph. These winds could lead to widespread blowing and drifting of snow and blizzard conditions, especially west of the Mississippi River. Regardless of exact snow amounts, expect widespread major travel impacts regionwide with some roads possibly becoming impassable. * WHAT...Heavy snow possible. Highest total snow accumulations between 12 and 18 inches with localized amounts approaching 24 inches possible. Lesser amounts of 6 to 12 inches of snow possible outside of this band. A glaze of ice is also possible if the storm trends further north. Winds could gust as high as 45 mph. * WHERE...Portions of central, southwest, and west central Wisconsin. * WHEN...From Saturday evening through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute.
INSTRUCTION: Monitor the latest forecasts for updates on this situation.
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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