September 7th 2021 Severe Storms

Tornadoes:

Tornado - E of Bryant, IN Hillsdale County, MI Date 9/7/2021 Time (Local) ~7:45pm-7:51pm EDT EF Rating EF-1 Est. Peak Winds 100 mph Path Length 5.40 miles Max Width 450 yards Injuries/Deaths 0/0 Summary: A weak tornado developed west of the intersection of S Bunn RD and Cole/Bankers RD and moved quickly east along the north side of the road causing significant tree damage east to Cambria RD. 2 1000lb hay bales were picked up from a field south of Bankers RD and thrown into a ditch and yard on the north side of the road. The tornado briefly lifted as it crossed Cambria RD, but touched down again on the east side of S Hillsdale Rd where severeal outbuildings and a silo were destroyed. The tornado intensified further as it moved through the Hillsdale Golf and Country Club where considerable, widespread tree damage, including several uprooted trees, occurred. The tornado quickly weakened as it moved across Baw Breese lake with a few branches down along Oakwood Drive. No further tornado damage was observed past this point. Damage found to the east is Osseo as well as in the town of Allen was consistent with straight line winds. Track Map Downloadable KMZ File

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph

Video:

Photos

Damage photos from September 7th in the Hillsdale area. Thank you to the Hillsdale Board of Public Utilities who submitted many of them! If you have pictures of damage or storms that you want us to see, send it to our email account (nws.northernindiana@noaa.gov) or post it on our Twitter (@NWSIWX) or Facebook. Remember to use the TEL method when you submit your report, including the Time, Event, & Location.

Hillsdale Country Club devastation	Tree down on home	Trees snapped
Trees and powerpoles down on Bankers Rd	Large tree uprooted	Pole Barn destroyed
Hay bales rolled	Trees Topped	Massive tree uprooted - Michelle Dix

Radar

A 0.5° radar loop of reflectivity (left) and storm relative velocity (right) of this rotating supercell thunderstorm moving through Hillsdale county the evening of September 7th, 2021. Click on the square on the bottom right of the loop to enlarge the video.

Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORTHERN INDIANA
402 PM EDT WED SEP 8 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0746 PM     TSTM WND DMG     ALLEN                   41.96N 84.77W
09/07/2021                   HILLSDALE          MI   EMERGENCY MNGR   

            TREES AND POWER POLES/LINES DOWNED. 

0747 PM     TSTM WND DMG     HILLSDALE               41.92N 84.63W
09/07/2021                   HILLSDALE          MI   EMERGENCY MNGR   

            TREES DOWNED, SOME ONTO BUILDINGS. POWER 
            LINES AND POLES DOWNED. 

0755 PM     TSTM WND DMG     OSSEO                   41.88N 84.54W
09/07/2021                   HILLSDALE          MI   EMERGENCY MNGR   

            ROOF BLOWN OFF HOUSE. POLE BARN AND FARM 
            SILO DESTROYED. 

0440 PM     TSTM WND DMG     4 E MAGICIAN LAKE       42.06N 86.09W
09/07/2021                   CASS               MI   EMERGENCY MNGR   

            6 TREES DOWNED ACROSS ROADWAY. 2 REPORTS OF 
            POWER LINES DOWNED. 

0415 PM     TSTM WND DMG     1 S MOORE PARK          42.00N 85.64W
09/07/2021                   ST. JOSEPH         MI   PUBLIC           

            CORRECTION TO FISHERS LAKE REPORT. REPORTS 
            OF TREES AND TREE LIMBS NORTH OF THREE 
            RIVERS NEAR THE INTERSECTION OF HEIMBACH AND 
            WILBUR ROADS. 

0740 PM     TSTM WND DMG     ALLEN                   41.96N 84.77W
09/07/2021                   HILLSDALE          MI   TRAINED SPOTTER  

            SEVERAL LARGE TREES DOWN OVER THE ROAD. VIA 
            SPOTTER NETWORK. TIMES ESTIMATED FROM RADAR. 

0747 PM     TSTM WND DMG     2 NNE LAKE WILSON       41.90N 84.67W
09/07/2021                   HILLSDALE          MI   EMERGENCY MNGR   

            TREES DOWN BLOCKING THE ROAD. LOCATION IS 
            APPROXIMATE. TIME ESTIMATED FROM RADAR. 

0416 PM     NON-TSTM WND GST 1 N BENTON HEIGHTS      42.13N 86.42W
09/07/2021  M54 MPH          BERRIEN            MI   ASOS             

            ASOS STATION KBEH BENTON HARBOR. 

0421 PM     TSTM WND DMG     SPINKS CORNERS          42.10N 86.32W
09/07/2021                   BERRIEN            MI   EMERGENCY MNGR   

            EMERGENCY MANAGER REPORTS A FEW TREES DOWN 
            IN NORTHERN BERRIEN COUNTY. ESTIMATED TIME 
            AND ESTIMATED LOCATION. 

0450 PM     HAIL             2 NE STEVENSVILLE       42.03N 86.50W
09/07/2021  M0.50 INCH       BERRIEN            MI   COCORAHS         

             

0450 PM     HAIL             1 N STEVENSVILLE        42.02N 86.53W
09/07/2021  E0.50 INCH       BERRIEN            MI   PUBLIC           

            REPORT FROM MPING: HALF-INCH (0.50 IN.). 

0453 PM     HAIL             2 SE SHOREHAM           42.04N 86.49W
09/07/2021  M0.50 INCH       BERRIEN            MI   TRAINED SPOTTER  

             

0454 PM     HAIL             3 SSE FAIR PLAIN        42.05N 86.44W
09/07/2021  M0.25 INCH       BERRIEN            MI   PUBLIC           

            PHOTO ON TWITTER. 

0557 PM     HAIL             1 SW RIVERSIDE          42.17N 86.40W
09/07/2021  E0.25 INCH       BERRIEN            MI   PUBLIC           

            ESTIMATED LOCATION FROM TWITTER MENTION. 

0617 PM     FLOOD            2 E SHOREHAM            42.05N 86.48W
09/07/2021                   BERRIEN            MI   EMERGENCY MNGR   

            EM REPORTS FLOODING AT THIS LOCATION. DEPTH 
            OF WATER IS UNKNOWN. VIA CHAT. 

0621 PM     FLOOD            1 NNE SAINT JOSEPH      42.11N 86.49W
09/07/2021                   BERRIEN            MI   EMERGENCY MNGR   

            LIONS PARK DR IS IMPASSABLE TO PASSENGER 
            CARS. 

0625 PM     HEAVY RAIN       SODUS                   42.04N 86.37W
09/07/2021  E1.83 INCH       BERRIEN            MI   PUBLIC           

            RAINFALL SO FAR. 

0639 PM     FLOOD            3 WSW SODUS             42.04N 86.42W
09/07/2021                   BERRIEN            MI   PUBLIC           

            PUBLIC REPORTS NEIGHBORHOOD ROADS COMPLETELY 
            FLOODED OVER. 

0654 PM     FLOOD            1 ENE FAIR PLAIN        42.09N 86.43W
09/07/2021                   BERRIEN            MI   PUBLIC           

            PUBLIC REPORTS ROAD FLOODING AT 
            INTERSECTION. 

0657 PM     FLOOD            3 SSE FAIR PLAIN        42.04N 86.44W
09/07/2021                   BERRIEN            MI   LAW ENFORCEMENT  

            LAW ENFORCEMENT REPORTS FLOODING ABOUT ONE 
            FOOT DEEP NEAR M139 AND SCOTTDALE ROAD. 

0714 PM     HEAVY RAIN       SODUS                   42.05N 86.37W
09/07/2021  M2.78 INCH       BERRIEN            MI   PUBLIC           

            STORM TOTAL RAINFALL OF 2.78 INCHES. 

0722 PM     HEAVY RAIN       SODUS                   42.05N 86.37W
09/07/2021  E3.60 INCH       BERRIEN            MI   PUBLIC           

            PUBLIC REPORTS 3.6 INCHES IN LESS THAN 3 
            HOURS. 

0410 PM     TSTM WND GST     4 NW BRIDGMAN           41.99N 86.62W
09/07/2021  M49 MPH          LMZ043             MI   BUOY             

             


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Environment

Conditions were favorable for severe storms from northern Illinois east across southern lower Michigan and northwest Indiana. Good moisture return along with substantial lift along the cold frontal zone and increasing wind shear developed in by Tuesday evening. To learn more about thunderstorm ingredients and lifecycle, check out our spotter training video here.

500 mb Height/Temp/Wind	700 mb Height/Temp/700-500 RH	850 mb Height/Temp/Dewpoint
Effective Bulk Shear (kts)	0-1km SRH (kts)	MLCAPE/MLCIN (J/kg)