Weather Alert in Minnesota
Winter Weather Advisory issued February 18 at 8:59PM CST until February 19 at 12:00AM CST by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Wright; Hennepin; Ramsey; Washington; McLeod; Sibley; Carver; Scott; Dakota; Le Sueur; Rice; Goodhue; Waseca; Steele; St. Croix; Pierce; Dunn; Pepin; Chippewa; Eau Claire
DESCRIPTION: ...BANDS OF HEAVY SNOW CONTINUE TO LIFT NORTH OVER SOUTHERN AND EASTERN MINNESOTA INTO WESTERN WISCONSIN THIS EVENING... .Snow continues across southern and eastern Minnesota into western Wisconsin. Bands of snow, some heavy at times, will result in travel impacts through this evening. A Winter Weather Advisory remains in effect south of I-94 and north and east of the Minnesota River in Minnesota. In addition, a Winter Weather Advisory remains in effect for portions of western Wisconsin, mainly surrounding the I-94 corridor as travel conditions have deteriorated. * WHAT...Snow. Additional snow accumulations up to 2 inches. Winds gusting as high as 30 mph. * WHERE...Portions of central, east central, south central, and southeast Minnesota and west central Wisconsin. * WHEN...Until midnight CST tonight. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The combination of gusty winds and falling snow will reduce visibility and cause slippery travel.
INSTRUCTION: Slow down and use caution while traveling. 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 Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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
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