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confirms Tornado

NWS Confirms Tornado Touched Down in Lake County, Traveled Into Wisconsin Monday – NBC Chicago

Scientists with the National Weather Service confirmed that
a tornado touched down Monday in Lake County and went over the state line before
ending over a lake in southeastern Wisconsin.

According to NWS officials, the tornado, classified as an EF-1 rated twister, reached estimated peak wind speeds of 90 miles per hour after it touched down at approximately 3:41 p.m. Monday near Spring Grove, Illinois.

We have confirmed that an EF-1 tornado with estimated peak winds of 90 mph and path length of 3.75 miles touched down near Spring Grove, IL and ended near Camp Lake, Wisconsin during the 8/10/2020 derecho event. Many thanks to @NWSMKX for their help surveying. #ilwx #inwx pic.twitter.com/YtTn1pIcyn

— NWS Chicago (@NWSChicago) August 11, 2020

The tornado was on the ground for approximately 3.75 miles before ending near Camp Lake, Wisconsin.

The tornado’s maximum width was approximately 150 yards,
according to a damage path surveyed by NWS Chicago and Milwaukee researchers.

According to officials, the tornado was one of several reported
during Monday’s derecho, which packed dangerously gusty winds and torrential
downpours. The storms prompted tornado warnings across the area, including in
Lake County and Kenosha County, and left hundreds of thousands of customers
without electricity.

Another tornado was confirmed in Chicago’s Rogers Park neighborhood at approximately 3:59 p.m. Monday. That tornado packed wind speeds of up to 110 miles per hour, and traveled for approximately three miles before moving onto Lake Michigan and becoming a waterspout.

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Tornado Watch

Tornado watch issued in parts of New Jersey – nj.com

The National Weather Service has issued a tornado watch in parts of Bergen, Passaic and Sussex counties, as strong thunderstorms have begun to develop, some of which are capable of producing a tornado.

The watch is active until 10 p.m. Sunday.

A heat advisory remains ongoing for much of New Jersey.

A tornado warning had been issued earlier Sunday morning for the southern part of Northampton County in Pennsylvania.

In contrast to a tornado warning — which means either that a tornado has been spotted, or evidence of a tornado has been spotted on radar — tornado watches are triggered by evidence of weather conditions that can give rise to tornadoes.

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Jeff Goldman may be reached at jeff_goldman@njadvancemedia.com. Follow him on Twitter @JeffSGoldman. Find NJ.com on Facebook.

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