Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Preliminary Event Overview

The second winter storm this week struck during the Thanksgiving weekend, impacting Wisconsin from late Saturday evening November 30th through Sunday December 1st. The storm developed over the Central Plains early Saturday, then quickly moved east to the Wisconsin/Illinois border on Sunday. Warm air aloft brought a mix of rain, sleet, freezing rain, and snow to the area Saturday afternoon and Saturday evening, transitioning to all snow by Saturday night and continuing into Sunday. A band of 8 to 12 inches fell across northern Wisconsin, with some areas receiving as much as 15 inches of snow. Further south snowfall totals were lower in the 4 to 8 inch range, however gusty winds caused some downed trees and power outages across the region. In addition to the wintry weather, strong winds and abnormally high lake levels caused lake shore flooding along Lake Michigan and the Bay of Green Bay, especially in Brown and Oconto Counties.

Preliminary storm total snowfall

Figure 1 - Preliminary estimate of storm total snowfall.

** This overview will be updated as new information becomes available.

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Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Second Major Winter Storm Within a Week Strikes Wisconsin