Shiawassee County Tornado Statistics

County Date Time (EST) Type F-Scale Deaths Injuries $$ $$ (crops)
SHIAWASSEE 8/15/51 3:30 PM Tornado 2 0 0 -99 -99
SHIAWASSEE 5/12/56 5:15 PM Tornado 1 0 1 250000 0
SHIAWASSEE 9/21/57 4:00 PM Tornado 2 0 0 3000 0
SHIAWASSEE 4/11/65 8:39 PM Tornado 4 0 0 250000 0
SHIAWASSEE 4/16/67 11:18 PM Tornado 2 0 1 250000 0
SHIAWASSEE 6/2/71 2:12 PM Tornado 1 0 3 250000 0
SHIAWASSEE 8/1/72 5:45 PM Tornado 1 0 0 0 0
SHIAWASSEE 6/3/73 3:30 PM Tornado 0 0 0 3000 0
SHIAWASSEE 8/29/75 6:40 PM Tornado  2 0 0 25000 0
SHIAWASSEE 4/21/76 2:35 PM Tornado 2 0 1 2500000 0
SHIAWASSEE 4/21/76 3:30 PM Tornado 1 0 0 25000 0
SHIAWASSEE 4/2/77 3:45 PM Tornado 1 0 1 25000 0
SHIAWASSEE 8/19/78 4:40 PM Tornado 2 0 8 250000 0
SHIAWASSEE 6/10/84 2:43 PM Tornado 1 0 0 0 0
SHIAWASSEE 8/30/84 4:10 AM Tornado 1 0 0 3000 0
SHIAWASSEE 4/28/86 3:08 PM Tornado 2 0 0 2500000 0
SHIAWASSEE 11/27/89 6:45 PM Tornado 1 0 0 25000 0
SHIAWASSEE 8/17/91 5:15 PM Tornado 0 0 0 0 0
SHIAWASSEE 8/17/91 5:15 PM Tornado 1 0 0 3000 0
SHIAWASSEE 8/17/91 5:25 PM Tornado 0 0 0 0 0
SHIAWASSEE 5/21/01 2:00 PM Tornado 0 0 0 0 0
SHIAWASSEE 5/13/04 3:35 PM Tornado 0 0 0 0 0
SHIAWASSEE 5/22/04 5:32 PM Tornado 0 0 0 0 0
SHIAWASSEE 8/24/07 4:23 PM Tornado 0 0 0 50000 0
SHIAWASSEE 10/18/07 9:53 PM Tornado 1 0 1 400000 0

STRONGEST TORNADOES:
The strongest tornado in Shiawassee County occurred on April 11, 1965. This tornado was categorized as an EF4 (out of 5) on the Fujita scale. The tornado moved from near DeWitt in Clinton County to near Bennington in Shiawassee County. Though no one was killed or injured in Shiawassee County as a result of this tornado, one death and 8 injuries resulted in Clinton County. Damage was estimated at between $50,000 and $500,000, with a total of 8 houses destroyed in the tornado's path. This tornado was part of the Palm Sunday outbreak which resulted in 256 deaths and over 1500 injuries across Iowa, Indiana, Illinois, Ohio, and Michigan. All other tornadoes in Shiawassee County since 1950 have been categorized as either EF0, EF1, or EF2.

Eight people were injured in a short-lived tornado that occurred early in the morning on 8/19/78. This tornado occurred just west of Perry, travelling about 2 miles. The tornado was an EF2, with some mobile homes being destroyed. In addition, though only categorized as an EF1, the tornado on 6/2/71 resulted in 3 injuries in Shiawassee County as it skipped along a path that extended from near Owosso to just southeast of Flint. Damage was reported to a school, 5 houses, and 2 barns along the tornado's path.

Finally, one of the most damaging tornadoes in Shiawassee County since 1950 occurred on 4/21/76 around 3:35 PM EDT. This tornado, categorized as an EF2, destroyed a factory and a house as it moved from 2 miles east of Shaftsburg to 5 miles southwest of Owosso. Damage was estimated at over $500,000. One person was reported to be injured.

Enhanced Fujita Tornado Scale:

EF0 - Gale Tornado (65-85 mph)
EF1 - Moderate Tornado (86-110 mph)
EF2 - Significant Tornado (111-135 mph)
EF3 - Severe Tornado (136-165 mph)
EF4 - Devastating Tornado (166-200 mph)
EF5 - Incredible Tornado (Over 200 mph)

Statistics last updated: November 2nd, 2011


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