Weather Alert in Wisconsin

Recent Locations: Castleton, VA   Laurel, DE   Fox Lake, WI  

Special Weather Statement issued March 31 at 11:54AM CDT by NWS Green Bay WI

AREAS AFFECTED: Winnebago; Calumet; Manitowoc

DESCRIPTION: At 1153 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles southeast of Kewaunee to 7 miles northeast of Rosendale. Movement was east at 45 mph. HAZARD...Wind gusts up to 30 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Strong thunderstorms will be near... Manitowoc, Chilton, Valders, Two Creeks, and Central Lake Winnebago around 1200 PM CDT. St. Nazianz around 1205 PM CDT. St Anna around 1210 PM CDT. Camp Rokilio Scout Camp around 1220 PM CDT. Other locations impacted by these storms include Maribel, Larrabee, Kiel, Millhome, Newtonberg, Brothertown, Potter, Brant, Cooperstown, and Clarks Mills.

INSTRUCTION: If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.

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Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

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

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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