Rosemount tornado confirmed Tuesday night

A brief tornado touchdown occurred near Rosemount Tuesday evening

Doppler radar in southern Minnesota and western Wisconsin was full of thunderstorms with relatively weak rotation Tuesday night.

It now appears Tuesday’s night’s severe weather event produced at least two tornadoes in Minnesota.

Rosemount tornado

A storm survey issued late Wednesday by an emergency manager and a non-National Weather Service meteorologist confirmed damage patterns consistent with a brief tornado touchdown near Rosemount Tuesday evening.

1 NE Rosemount [Dakota Co, MN] EMERGENCY MNGR reports TORNADO at 26 May, 7:15 PM CDT -- DOCUMENTED BY NON-NWS METEOROLOGIST WITH EMERGENCY MANAGEMENT, ALONG WITH DAMAGE PICTURES. FEW TREES DOWN. TOUCHDOWN WAS BRIEF AND TORNADO WENT INTO AN OPEN AREA BEFORE DISSIPATING

This was as a tornado-warned storm by the Twin Cities NWS. I was on the air live broadcasting this warning with MPR News newscaster Perry Finelli during this warning, and I observed the rotation withing this storm. Here it is caught on time-lapse video.

Freeborn County tornado

A trained storm spotter also observed a brief tornado touchdown in Freeborn County in southern Minnesota.

8 NE Myrtle [Freeborn Co, MN] TRAINED SPOTTER reports TORNADO at 26 May, 7:25 PM CDT -- TORNADO WAS CAUGHT ON VIDEO FOR ABOUT ONE MINUTE AS IT MOVED TO THE NORTH-NORTHWEST. DEBRIS CLOUD WAS VISIBLE AND A FEW TREES WERE KNOCKED DOWN. PATH LENGTH APPROXIMATELY 1/2 MILE.

There were also reports fo damage in western Wisconsin that seemed to match areas I was observing on Doppler with rotating cells. But there are no surveys or confirmation of a tornado touchdown with these reports.

1 SSW Tainter Lake [Dunn Co, WI] AMATEUR RADIO reports TSTM WND DMG at 26 May, 8:00 PM CDT -- FEW TREES DOWN, INCLUDING ONE OF 16 INCH DIAMETER. TIME APPROXIMATE.

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