Public Information Statement
Issued by NWS Twin Cities, MN

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NOUS43 KMPX 130357
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MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
131600-

Public Information Statement
National Weather Service Twin Cities/Chanhassen MN
1057 PM CDT Wed Jul 12 2017

...NWS DAMAGE SURVEY FOR 07/12/2017 TORNADO EVENT...

.OVERVIEW...During the early morning hours of July 12th, a line of
severe storm tracked from central Minnesota into western
Wisconsin. This line of thunderstorms created widespread damaging
straight line winds across Anoka and northern Washington counties
in eastern MN, with the damaging winds continuing into northwest
St. Croix and southwest Polk counties in western WI. Within this
broad swath of damaging winds, a concentrated path of stronger
damage was found in the Forest Lake area that was determined to be
associated with a tornado.

.Columbus/Forest Lake area Tornado...

Rating: EF-1
Estimated peak wind: 90 mph
Path length /Statute/: 8.8 miles
Path width /Maximum/: 300 yards
Fatalities: 0
Injuries: 0

Start date: July 12 2017
Start time: 2:28 AM CDT
Start location: 6 WSW Forest Lake / Anoka County / MN
Start Lat/Lon: 45.2505 / -93.0996

End date: July 12 2017
End time: 2:37 AM CDT
End location: 4 NE Hugo / Washington County / MN
End Lat/Long: 45.2000 / -92.9350

SURVEY SUMMARY: Tornado caused an attached garage to collapse and
destroyed a couple of out buildings to go along with mainly tree
damage along the tornadoes path.

Enhanced Fujita Scale:
EF0...Weak......65 to 85 mph
EF1...Weak......86 to 110 mph
EF2...Strong....111 to 135 mph
EF3...Strong....136 to 165 mph
EF4...Violent...166 To 200 mph
EF5...Violent...>200 mph

NOTE:
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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