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EF0 tornado in Grady County, Oklahoma

Tornado May 11, 2023 · Grady County, Oklahoma

EF0
Rating
1.5 mi
Path length
75 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 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

Storm chasers reported a tornado that touched down in Grady County to the southwest of Dibble. Some tree damage was observed on County Street 2980.

The wider storm

A deepening upper/low pressure system slowly approached portions of the Central Plains on the 11th. Combined with increasing instability and wind shear, a favorable environment for severe weather (capable of producing all severe hazards) developed across much of western into central Oklahoma on the evening of the 11th. Numerous supercell thunderstorms developed and produced twelve tornadoes and large hail across portions of these areas.

Began near Alex (34.9950, -97.6960).

Other tornadoes from the same storm system

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

EF1 McClain CountyEF1 Cleveland CountyEF0 Grady CountyEF0 Grady CountyEF0 McClain CountyEF0 McClain CountyEF0 Cleveland CountyEF0 Pottawatomie CountyEFU Grady CountyEFU Pottawatomie CountyEFU Grady County

Source: NOAA Storm Events Database, event 1100942. Narratives are written by the National Weather Service forecast office that issued the report.

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