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EF1 tornado in St. Clair County, Michigan

Tornado June 27, 2010 · St. Clair County, Michigan

EF1
Rating
2.9 mi
Path length
250 yd
Path width
1
Death
4
Injuries
$700K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 250 yards (0.14 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

A tornado occurred at 706 pm in Clyde Township in St. Clair County.

One fatality and 4 injuries resulted from this tornado as it hit a campground just north of I-69 and west of Wadhams. The tornado touched down north of Lapeer Rd along Rabidue Rd and continued eastward for 2.9 miles before lifting between Lapeer Rd and the Black River just east of Abbottsford Rd. This tornado was rated EF1 with maximum winds around 95 mph, which occurred at and just east of the Fort Trodd Campground.

About 10 campers were damaged or destroyed.

The wider storm

A warm front lifting north through southeast Michigan spawned three tornadoes. Outside of the tornadoes, just a few isolated reports of thunderstorm wind damage.

Began near Thornton (42.9943, -82.6119).

Other tornadoes from the same storm system

2 more tornadoes the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 227647. Narratives are written by the National Weather Service forecast office that issued the report.

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