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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