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EF1 tornado in Okfuskee County, Oklahoma

Tornado May 10, 2010 · Okfuskee County, Oklahoma

EF1
Rating
14.0 mi
Path length
1,000 yd
Path width
$40K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 1,000 yards (0.57 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 developed south of Okemah, moved east-northeast for several miles then curved to the northeast moving over the south and east side of Clearview before dissipating north of I-40 north of Pharoah. The tornado damaged homes, destroyed outbuildings, snapped or uprooted numerous trees, and blew down power poles. The estimated peak wind in the tornado based on this damage was 105 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 Bearden (35.3395, -96.3089).

Other tornadoes from the same storm system

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

EF3 Seminole CountyEF2 Okmulgee CountyEF2 McIntosh CountyEF2 McIntosh CountyEF1 Noble CountyEF1 Okfuskee CountyEF1 McIntosh CountyEF1 McIntosh CountyEF1 Muskogee CountyEF1 Sequoyah CountyEF0 Osage CountyEF0 Osage CountyEF0 Osage CountyEF0 McIntosh County

Source: NOAA Storm Events Database, event 237597. Narratives are written by the National Weather Service forecast office that issued the report.

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