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EF1 tornado in Osage County, Oklahoma

Tornado May 10, 2010 · Osage County, Oklahoma

EF1
Rating
21.0 mi
Whole path
2,460 yd
Path width
$50K
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 2,460 yards (1.40 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

A tornado that developed over northeastern Noble County continued into western Osage County, where it damaged several homes, uprooted or snapped numerous trees, and blew down power poles. The estimated peak wind in the tornado based on this damage was 110 mph.

The wider storm

Severe thunderstorms developed along and ahead of a dry line over central Oklahoma during the afternoon hours. Very unstable air along with very strong low level wind shear resulted in a number of supercell thunderstorms. These storms produced numerous tornadoes, very large hail, and damaging wind gusts as they moved eastward across eastern Oklahoma during the evening hours.

Began near Fairfax (36.5890, -96.9040).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 237572. Narratives are written by the National Weather Service forecast office that issued the report.

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