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EF1 tornado in Kiowa County, Oklahoma

Tornado October 10, 2021 · Kiowa County, Oklahoma

EF1
Rating
2.9 mi
Path length
200 yd
Path width
$30K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 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 was initially observed by storm chasers including an off-duty meteorologist from the Storm Prediction Center and was visible for a couple of minutes before becoming wrapped in rain. The rain-wrapped tornado likely continued generally east-southeast and destroyed a trailer and damaged trees at the Saddle Mountain cemetery.

The wider storm

An unseasonably warm and moist airmass was in place across the region ahead of a powerful upper wave moving out of the 4 corners region. This led to the development of numerous severe thunderstorms across Oklahoma and Texas during the afternoon and evening of the 10th. Several tornadoes were reported, along with hail larger than baseballs that impacted Norman, OK for the second time in six months, leading to millions of dollars in damages once again to homes, cars, and businesses.

Began near Cooperton (34.8850, -98.7250).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 986959. Narratives are written by the National Weather Service forecast office that issued the report.

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