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F0 tornado in Lapeer County, Michigan

Tornado May 21, 2001 · Lapeer County, Michigan

F0
Rating
7.1 mi
Path length
100 yd
Path width
$135K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F0 means. This tornado was rated on Fujita’s original scale, used until 2007. F0 meant light damage: shingles and siding peeled, gutters torn, branches broken; the scale paired it with winds of 40–72 mph, figures later judged too high, especially toward the top of the scale, and revised downward in the Enhanced Fujita scale. Ratings then, as now, came from the damage.

What the National Weather Service wrote

Though the tornado originated in Genesee County, it did most of its damage in Lapeer County. It moved northeast from near Hegal and Washburn Roads, finally dissipating near Lippincott Road, southwest of the city of Lapeer. Two barns were destroyed by the tornado, one of which was 150 years old. A house and garage were moved off their foundations. A camper-trailer was tipped over, and a storage silo was tossed. Shingles were lost off of one home.

The wider storm

A warm front moved slowly north into southeast Michigan, ushering in warmer and more humid air. Scattered thunderstorms developed south of the warm front around midday. They storms also moved north, at a faster pace than the warm front. A few of these storms produced tornadoes when they caught up to the warm front.

Began near Hadley (42.7833, -83.7500).

Other tornadoes from the same storm system

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

F2 Livingston CountyF0 Oakland CountyF0 Genesee CountyF0 Shiawassee CountyF0 Genesee County

Source: NOAA Storm Events Database, event 5244499. Narratives are written by the National Weather Service forecast office that issued the report.

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