Weather Alert in Wisconsin
Special Weather Statement issued April 3 at 9:15PM CDT by NWS Milwaukee/Sullivan WI
AREAS AFFECTED: Jefferson; Waukesha; Rock; Walworth
DESCRIPTION: At 914 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Lake Koshkonong to 6 miles east of Milton to near Delavan to near Elkhorn. Movement was northeast at 40 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Waukesha, New Berlin, Watertown, Whitewater, Pewaukee, Fort Atkinson, Elkhorn, Hartland, Jefferson, Mukwonago, Delafield, Milton, East Troy, Wales, Okauchee Lake, Oconomowoc, Vernon, Ottawa, Johnson Creek, and Dousman. This includes the following highways... U.S. Highway 12 between mile markers 320 and 321. Interstate 39/90 near mile marker 163. Interstate 94 between mile markers 267 and 294, and between mile markers 297 and 300. Wisconsin Highway 26 between mile markers 9 and 37. Interstate 43 between mile markers 28 and 50.
INSTRUCTION: If outdoors, consider seeking shelter inside a building.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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