PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 643 PM EDT SAT AUG 20 2011 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0150 PM HAIL 2 S CLIO 43.15N 83.73W 08/20/2011 E0.88 INCH GENESEE MI TRAINED SPOTTER 0206 PM HAIL 3 E MOUNT MORRIS 43.12N 83.63W 08/20/2011 M0.75 INCH GENESEE MI CO-OP OBSERVER 0212 PM HAIL 5 ESE CLIO 43.16N 83.63W 08/20/2011 E0.75 INCH GENESEE MI TRAINED SPOTTER 0218 PM HAIL 5 WNW OTISVILLE 43.18N 83.62W 08/20/2011 M0.75 INCH GENESEE MI TRAINED SPOTTER 0226 PM HAIL 5 W COLUMBIAVILLE 43.17N 83.50W 08/20/2011 E0.75 INCH GENESEE MI TRAINED SPOTTER 0226 PM TSTM WND DMG OTISVILLE 43.17N 83.52W 08/20/2011 GENESEE MI 911 CALL CENTER CENTRAL DISPATCH REPORTS NUMEROUS TREES DOWN ACROSS FOREST TOWNSHIP 0255 PM TSTM WND GST 1 N FREELAND 43.54N 84.12W 08/20/2011 E60.00 MPH SAGINAW MI TRAINED SPOTTER
0300 PM TORNADO 1 NNW CHESANING 43.20N 84.13W 08/20/2011 SAGINAW MI NWS STORM SURVEY A STORM SURVEY CONDUCTED BY THE NATIONAL WEATHER SERVICE CONFIRMS AN EF0 TORNADO OCCURRED NEAR CHESANING ON SATURDAY AUGUST 20, 2011. THE TRACK BEGAN NEAR THE INTERSECTION OF MCKEIGHAN AND BALDWIN RD AT APPROXIMATELY 300PM. THE TORNADO THEN TRACKED EAST AND ENDED NEAR THE INTERSECTION OF CHESANING AND STUART RD. TRACK LENGTH WAS APPROXIMATELY 3 MILES. THE TORNADO WAS 100 YARDS WIDE WITH WIND SPEEDS UP TO 80 MPH. DAMAGE WAS MAINLY LIMITED TO LARGE TREES AND AN OVERTURNED TRAILER.
0303 PM TSTM WND DMG CHESANING 43.18N 84.12W 08/20/2011 SAGINAW MI TRAINED SPOTTER 3 INCH DIAMETER TREE BRANCHES DOWN 0328 PM TSTM WND DMG 3 WSW OTISVILLE 43.14N 83.58W 08/20/2011 GENESEE MI AMATEUR RADIO POWER LINE SNAPPED IN HALF 0413 PM TSTM WND DMG PINCKNEY 42.45N 83.95W 08/20/2011 LIVINGSTON MI 911 CALL CENTER CENTRAL DISPATCH REPORTED TREES DOWN 0418 PM TSTM WND DMG HAMBURG 42.45N 83.80W 08/20/2011 LIVINGSTON MI 911 CALL CENTER TREES AND WIRES DOWN 0425 PM TSTM WND DMG 2 W SOUTH LYON 42.46N 83.70W 08/20/2011 LIVINGSTON MI 911 CALL CENTER WIRES DOWN IN GREEN OAK TOWNSHIP 0450 PM TSTM WND DMG SOUTHFIELD 42.48N 83.26W 08/20/2011 OAKLAND MI TRAINED SPOTTER DOZENS OF LARGE BRANCHES AND TREES DOWN 0450 PM TSTM WND GST 4 NNW SOUTHFIELD 42.53N 83.29W 08/20/2011 E60.00 MPH OAKLAND MI TRAINED SPOTTER 0450 PM TSTM WND DMG 2 SSE WEST BLOOMFIELD 42.54N 83.36W 08/20/2011 OAKLAND MI TRAINED SPOTTER MINOR STRUCTURAL DAMAGE TO GREENHOUSES 0452 PM TSTM WND DMG 3 SE WEST BLOOMFIELD 42.54N 83.34W 08/20/2011 OAKLAND MI AMATEUR RADIO 3 TO 4 INCH DIAMETER TREES ON HOUSE 0454 PM TSTM WND DMG 4 ENE SOUTHFIELD 42.49N 83.18W 08/20/2011 OAKLAND MI AMATEUR RADIO WIRES REPORTED DOWN 0458 PM TSTM WND DMG 3 S TROY 42.53N 83.14W 08/20/2011 OAKLAND MI TRAINED SPOTTER 5 INCH DIAMETER TREE LIMBS DOWN 0510 PM TSTM WND GST CLINTION TOWNSHIP 42.59N 82.92W 08/20/2011 E65.00 MPH MACOMB MI TRAINED SPOTTER 0512 PM MARINE TSTM WIND 1 NNE PORT HURON 43.01N 82.42W 08/20/2011 M39.00 MPH LHZ443 MI BUOY 0515 PM TSTM WND GST ROSEVILLE 42.51N 82.94W 08/20/2011 M65.00 MPH MACOMB MI TRAINED SPOTTER