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EF0 tornado in Grady County, Oklahoma

Tornado June 13, 2021 · Grady County, Oklahoma

EF0

Rating

0.5 mi

Path length

10 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 10 yards (0.01 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

Videos of a landspout tornado were taken by both a local resident and a glider pilot who circled the vortex. The path of the tornado could be determined by geolocation from the videos, but the time is estimated. No structural damage was known to occur.

The wider storm

Scattered thunderstorms developed during the afternoon of the 13th, with a few severe wind reports received.

Began near Minco (35.2825, -97.8873).

Source: NOAA Storm Events Database, event 969660. Narratives are written by the National Weather Service forecast office that issued the report.

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