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EF1 tornado in Le Flore County, Oklahoma

Tornado April 9, 2009 · Le Flore County, Oklahoma

EF1
Rating
7.5 mi
Path length
400 yd
Path width
$20K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 400 yards (0.23 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 damaged the roofs of several homes. Numerous trees were also snapped or uprooted.

The wider storm

Widespread severe thunderstorms occurred across eastern Oklahoma during the late afternoon and evening hours of the 9th.

Began near Caston (34.9879, -94.8267).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 168474. Narratives are written by the National Weather Service forecast office that issued the report.

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