Weather Alert in Wisconsin
Blizzard Warning issued March 15 at 3:04AM CDT until March 16 at 7:00AM CDT by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Barron; Rusk; St. Croix; Pierce; Dunn; Pepin; Chippewa; Eau Claire
DESCRIPTION: ...VERY HEAVY SNOW HAS DEVELOPED ACROSS SOUTHERN MINNESOTA AND IS EXPECTED TO EXPAND INTO WESTERN WISCONSIN THIS MORNING... ...WINDS WILL INCREASE SIGNIFICANTLY THIS MORNING WITH WIDESPREAD BLOWING SNOW AND BLIZZARD CONDITIONS THIS AFTERNOON AND TONIGHT... .Heavy snow across southern Minnesota will expand northeast into west central Wisconsin this morning. Additional accumulations of 12 to 18 inches are expected in this corridor. Snowfall rates of 2 to 3 inches per hour are possible through mid morning. Lighter snow to the northwest will persist through the morning, then taper off from northwest to southeast later this afternoon and evening. Travel conditions will continue to deteriorate today. Despite the snow tapering off gradually this afternoon, northwest winds will increase to 30 to 40 mph. Some gusts near 60 mph are expected across the Minnesota River Valley. The combination of falling snow, blowing snow, and gusty winds will reduce visibility and create blizzard conditions into tonight. * WHAT...Blizzard conditions. Additional snow accumulations between 13 and 20 inches. Winds gusting as high as 50 mph. * WHERE...Barron, Rusk, Chippewa, Dunn, Eau Claire, Pepin, Pierce, and St. Croix Counties. * WHEN...Until 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: Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. In Minnesota, call 5 1 1 or visit 511mn.org for road conditions. In Wisconsin, call 5 1 1 or visit 511wi.gov for road conditions.
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Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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