Weather Alert in Wisconsin
Ice Storm Warning issued April 3 at 2:10AM CDT until April 4 at 10:00AM CDT by NWS Duluth MN
AREAS AFFECTED: Douglas; Bayfield; Ashland; Iron
DESCRIPTION: * WHAT...For the Winter Weather Advisory, snow. Additional snow accumulations up to one inch. For the Ice Storm Warning, significant icing expected. Total snow and sleet accumulations of one half to 3 inches and ice accumulations up to one half of an inch. * WHERE...Ashland, Bayfield, Douglas, and Iron Counties. This includes the Tribal Lands of the northwestern area of the Lac du Flambeau Band, the Red Cliff Band and the Bad River Reservation. Other locations including the Apostle Islands National Lakeshore and Madeline Island. * WHEN...For the Winter Weather Advisory, until 7 AM CDT this morning. For the Ice Storm Warning, from 4 PM this afternoon to 10 AM CDT Saturday. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...The timeframe of heaviest ice accumulations will be Friday evening and Friday night. The freezing rain threat should end by late Saturday morning.
INSTRUCTION: Travel is strongly discouraged. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. Prepare for possible power outages. Call 511 or visit www.511wi.gov for Wisconsin road information.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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
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