National Weather Service United States Department of Commerce

Above Normal Temperatures, Strong Thunderstorms, Tropical Development Being Monitored

Well above normal temperatures are forecast to shift from the northern Plains through the Northeast U.S. over the long holiday weekend. A few strong to severe thunderstorm will be possible as well along with a potential for excessive rainfall. A tropical or subtropical depression could form off the Southeast U.S. coast over the weekend while drifting northward to northeastward. Read More >

Overview

Several storms that developed across west central Wisconsin during the late afternoon, and early evening of July 4th, 2019, produced an EF0 tornado south of Bruce, Wisconsin. Numerous trees were blown down or uprooted. Some of the trees fell on lake cabins. 

The radar loop shows Radar Reflectivity (left) and Storm Relative Velocity (right) in 2 minute increments from 522 PM to 6:11 PM. The red area indicates outbound velocity, and green indicates inbound velocity (circulation, but at 12,000 feet above the surface) At times you can also see circulations in the velocity, which indicate rotating updrafts.