Weather Alert in Wisconsin
Winter Storm Watch issued March 13 at 12:34AM 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: ...TWO MAJOR WINTER STORMS OVERNIGHT AND THIS MORNING AND FROM SATURDAY NIGHT INTO MONDAY MORNING... .The first winter storm will move through northern Wisconsin from overnight tonight into this morning. It will bring snow to areas along and north of US Highway 10 in central Wisconsin with expected amounts rising rapidly north of Wisconsin Highway 29. With wind gusts ramping up overnight to 45 to 50 mph by this morning, unsheltered areas will see blowing and drifting snow leading to hazardous driving conditions. Light snow and blowing snow are expected to linger through this morning and then decrease this 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 from southeast Minnesota to between I-90 and Highway 29 in 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 possible west of the Mississippi River. 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 are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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