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EF0 tornado in Cleveland County, Oklahoma

Tornado October 21, 2017 · Cleveland County, Oklahoma

EF0
Rating
3.4 mi
Whole path
20 yd
Path width
$102K
Damage as recorded

NOAA records this tornado county by county. Its path ran through McClain County → Cleveland County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 20 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

The tornado moved into Cleveland County in inaccessible areas along the Canadian River and generally remained south of the neighborhoods in south Norman south of Highway 9. Some tree and fence damage was observed at the southern end of South Canadian Trails which is where the tornado is believed to have dissipated.

The wider storm

Storms formed along a cold front during the afternoon of the 21st, eventually forming a line. Through the evening storms swept eastward through Oklahoma and western north Texas. Significant hail, severe winds, and a few short-lived tornadoes as well as some minor flooding were reported with these storms.

Began near Norman (35.1818, -97.4784).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 725385. Narratives are written by the National Weather Service forecast office that issued the report.

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