F0 tornado in Shiawassee County, Michigan

Tornado May 21, 2001 · Shiawassee County, Michigan

Rating

0.1 mi

Path length

30 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 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

A newspaper photographer snapped a shot of a very brief tornado touchdown 2 miles west of M-52 in Bennington Township. There were no reports of any damage.

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 Bennington (42.9167, -83.4500).

Other tornadoes from the same storm system

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

F2 Livingston County F0 Lapeer County F0 Oakland County F0 Genesee County F0 Genesee County

Source: NOAA Storm Events Database, event 5245997. Narratives are written by the National Weather Service forecast office that issued the report.

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