Weather Alert in Minnesota
Blizzard Warning issued March 15 at 2:15AM CDT until March 16 at 7:00AM CDT by NWS La Crosse WI
AREAS AFFECTED: Wabasha; Dodge; Olmsted; Winona; Mower; Fillmore; Houston
DESCRIPTION: ...DANGEROUS WINTER STORM TO IMPACT THE REGION THROUGH MONDAY MORNING... .A dangerous and potentially historic winter storm will impact the region through Monday morning. Snow rates north of Interstate 90 will increase throughout the overnight. By early this morning snowfall rates of 2 to 4 inches per hour are likely across portions of northern Clark and Taylor Counties. Mixed precipitation is likely near I-90 this morning where freezing rain accumulations of one to three tenths of an inch of ice is likely. By this afternoon, much of the area will switchover to snow with wind gusts increasing to 35 to 55 mph. This will result in widespread visibilities reductions to 1/4 mile or less at times where the Blizzard Warning is in effect. Storm total snow accumulations will likely approach all-time records in north-central Wisconsin with 18 to 36 inches of snow expected north of Interstate 94. Travel will be impossible for much of the area throughout the storm. Any travel should be reserved for emergencies only. Power outages and tree damage will be possible with the combination of heavy snow, ice, and increasing winds today. * WHAT...For the Winter Storm Warning, heavy mixed precipitation. Additional snow and sleet accumulations up to 6 inches and ice accumulations around one quarter of an inch. Winds gusting as high as 35 mph. For the Blizzard Warning, blizzard conditions expected. Total snow accumulations between 6 and 9 inches and ice accumulations around a light glaze. Winds gusting as high as 55 mph. * WHERE...A portion of southeast Minnesota. * WHEN...For the Winter Storm Warning, until 10 AM CDT this morning. For the Blizzard Warning, from 10 AM this morning to 7 AM CDT Monday. * IMPACTS...Power outages and tree damage are possible due to the ice. Travel could be nearly impossible. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Strong winds could cause extensive damage to trees and power lines.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Visit 511mn.org for road conditions. 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, visit 511mn.org for road conditions. In Wisconsin, visit 511wi.gov for road conditions.
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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