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EF1 tornado in Tillman County, Oklahoma

Tornado October 12, 2021 · Tillman County, Oklahoma

EF1
Rating
7.3 mi
Path length
300 yd
Path width
$50K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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

This tornado developed 3.5 miles southwest of Fredrick and moved north or just east of due north for 7 miles. A barn had significant wall damage to the northwest of Frederick. Otherwise, there were a few pivot irrigators that were tipped over to the southwest and west of Frederick, and tree and power pole damage was also observed along the path.

The wider storm

A warm front lifted north during the afternoon and evening of the 12th, with a couple supercells developing along it across southwest OK. Large hail, strong winds, and numerous tornadoes were reported with these storms as they moved northeastward. Later, a line of severe storms moved into far western OK along a cold front, with strong winds and hail reported with these storms.

Began near Frederick (34.3720, -99.0770).

Other tornadoes from the same storm system

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

EF1 Tillman CountyEF1 Kiowa CountyEF1 Canadian CountyEF1 Oklahoma CountyEF1 Custer CountyEF0 Beckham CountyEF0 Tillman CountyEF0 Oklahoma CountyEFU Washita CountyEFU Comanche CountyEFU Caddo CountyEFU Custer County

Source: NOAA Storm Events Database, event 987098. Narratives are written by the National Weather Service forecast office that issued the report.

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