National Weather Service United States Department of Commerce

EF0 Tornado Southwest of Richfield, Wisconsin (far southern Washington County) on Wednesday, May 9, 2018

A thunderstorm moved through far southern Washington County during the middle afternoon hours on Wednesday, May 9, 2018. The storm developed strong low level rotation, which prompted a Tornado Warning for southeastern Washington County at 4:54 PM CDT. Reports of a tornado were received at 4:58 PM CDT 3 miles southwest of Richfield in far southern Washington County.

Below is more information on the EF0 damage rating for this tornado:

Public Information Statement
National Weather Service Milwaukee/Sullivan WI
349 PM CDT Thu May 10 2018


OVERVIEW...A tornado devleoped near Richfield Wisconsin on
Wednesday evening. It tracked from west to east across southern
Washington County. The tornado primarily caused tree damage. There
was minimal structural damage observed.

.Richfield Tornado...

Rating:                 EF-0
Estimated peak wind:    80 mph
Path length /Statute/:  5.27 miles
Path width /Maximum/:   50 yards
Fatalities:             0
Injuries:               0

Start date:             May 9 2018
Start time:             450 PM CDT
Start location:         5 NNW Merton
Start Lat/Lon:          43.2091 / -88.3449

End date:               May 9 2018
End time:               501 PM CDT
End location:           1 S Richfield
End_lat/lon:            43.2217 / -88.2427

The information in this statement is PRELIMINARY and subject to
change pending final review of the event and publication in
NWS Storm Data.


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