Weather Alert in Wisconsin
Winter Weather Advisory issued April 1 at 1:39AM CDT until April 2 at 10:00AM CDT by NWS La Crosse WI
AREAS AFFECTED: Trempealeau; Jackson; Monroe; Juneau; Adams
DESCRIPTION: ...LATE WINTER STORM IMPACTS THE AREA FROM TONIGHT THROUGH THURSDAY MORNING... .A late season winter storm will impact areas along and north of Interstate 90 from this evening into Thursday morning. Snow, sleet, and freezing rain will begin late this evening, changing to freezing rain overnight. Ice accumulations are expected and will continue into Thursday morning. Temperatures will warm Thursday afternoon and only rain will be expected. Travel is expected to be impacted. * WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations up to a quarter inch. * WHERE...Adams, Juneau, Jackson, Monroe, and Trempealeau Counties. * WHEN...From midnight tonight to 10 AM CDT Thursday. * IMPACTS...Power outages and tree damage are possible due to the ice. The hazardous conditions could impact the Thursday morning commute.
INSTRUCTION: Slow down and use caution while traveling. 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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