Weather Alert in Minnesota
Winter Weather Advisory issued February 18 at 8:54AM CST until February 18 at 9:00PM CST by NWS Twin Cities/Chanhassen MN
AREAS AFFECTED: Goodhue
DESCRIPTION: ...WINTER WEATHER ADVISORY FOR ACCUMULATING SNOW AND GUSTY WINDS ACROSS WEST CENTRAL MINNESOTA... .Updated Advisory to include Goodhue County. Rain has already begun to transition to snow across a significant portion of southern Minnesota, including along and south of the Minnesota River and into the western outskirts of the Twin Cities metro. As temperatures continue to fall, we expect rain to transition to snow, with a heavier narrow band of higher accumulations expected to move across the region this afternoon into the evening. Alongside the wet snow, strong winds are expected with gusts as high as 45-50mph, and although the wet snow should not blow around once it is on the ground, it will result in reduced visibility as it falls. Slick travel is expected due to slushy snow and gusty winds. * WHAT...Snow expected. Total snow accumulations of 1 to 2 inches. Winds gusting as high as 40 mph. * WHERE...Goodhue County. * WHEN...Until 9 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Wednesday morning and evening commutes. * 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. Call 5 1 1 or visit 511mn.org 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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