Weather Alert in Wisconsin
Winter Storm Warning issued February 17 at 1:58AM CST until February 19 at 12:00PM CST by NWS Duluth MN
AREAS AFFECTED: Douglas; Bayfield
DESCRIPTION: * WHAT...Heavy snow with light ice accumulations expected. Total snow accumulations of 5 to 8 inches for northern Douglas and Bayfield Counties, elsewhere between 2 and 4 inches of snow. Ice accumulations around one tenth of an inch. Winds gusting as high as 45 mph. * WHERE...Bayfield and Douglas Counties. This includes the Tribal Lands of the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...From 6 PM this evening to noon CST Thursday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Light ice accumulations on surfaces is most likely Tuesday evening and overnight. The heaviest snowfall in the far northern parts of the Counties is expected late Tuesday night through Wednesday mid day.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511wi.gov for Wisconsin road information.
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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