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EF0 tornado in Delaware County, Ohio

Tornado September 7, 2020 · Delaware County, Ohio

EF0
Rating
3.2 mi
Path length
150 yd
Path width
$25K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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

The tornado is believed to have begun in a field just west of Jumper Road, with the first evidence of tornadic damage occurring along Jumper Road. Multiple trees and large limbs were knocked down and partial uplift of a roof was observed on one of the homes. Shingles and other material were thrown both downwind and upwind from the home. To the southeast of Jumper Road, additional tree damage was noted along North Old State Road. The tornado likely crossed Alum Creek, producing additional tree damage along N 3 Bs and K Road before lifting. This tornado was rated EF0 on the Enhanced Fujita Scale, with maximum winds of 80 mph.

The wider storm

Showers and thunderstorms developed during the afternoon and evening hours along a stalled frontal boundary that was stretching across central Ohio. The thunderstorms continued into the early morning hours of the 8th, producing areas of heavy rain.

Began near Kilbourne (40.2966, -82.9889).

Source: NOAA Storm Events Database, event 909622. Narratives are written by the National Weather Service forecast office that issued the report.

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