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F0 tornado in Dickinson County, Michigan

Tornado September 30, 2002 · Dickinson County, Michigan

F0
Rating
0.8 mi
Path length
100 yd
Path width
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

This tornado touched down approximately 5 miles northeast of Norway, crossing the Norway Truck Trail Road before dissipating 1/4 mile east of the road crossing. Damage was limited to downed trees and broken branches.

The wider storm

On Sep 30, a short wave moving from the plains into south central Canada brought a warm front into Michigan's Upper Peninsula. Scattered thunderstorms developed along the front, with several of these storms becoming severe. One supercell that originally developed in an area of higher shear over northern Wisconsin produced three tornadoes and extensive downburst wind damage in southern Dickinson County when it encountered an outflow boundary from earlier convection. The majority of damage to the Iron Mountain, Kingsford and Quinnesec areas was caused by downburst winds, which knocked trees into homes, downed power lines, etc. The most significant damage was produced by the tornado that moved through Kingsford and Iron Mountain.

Began near Norway (45.8333, -87.8500).

Other tornadoes from the same storm system

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

F1 Dickinson CountyF0 Dickinson County

Source: NOAA Storm Events Database, event 5316738. Narratives are written by the National Weather Service forecast office that issued the report.

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