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EF2 tornado in Osage County, Oklahoma

Tornado April 14, 2011 · Osage County, Oklahoma

EF2
Rating
1.0 mi
Path length
275 yd
Path width
$25K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 275 yards (0.16 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 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 a metal building and a permanent home. It also snapped power poles and trees. Maximum estimated wind in the tornado based on this damage was about 115 mph. Several storm chasers witnessed this tornado.

The wider storm

Low pressure was centered over southern Kansas during the early afternoon of the 14th with a sharp dryline extending from the low pressure system through central Oklahoma. A moist and very unstable air mass was in place across eastern Oklahoma ahead of the dryline. Severe thunderstorms developed along the dryline during the afternoon and moved into eastern Oklahoma during the early evening hours. Large hail up to grapefruit size, damaging wind gusts, and numerous tornadoes occurred as the storms moved through the region.

Began near Hominy Arpt (36.4523, -96.3937).

Other tornadoes from the same storm system

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

EF2 Delaware CountyEF2 Pushmataha CountyEF1 Okfuskee CountyEF1 Washington CountyEF1 Pittsburg CountyEF1 Pushmataha CountyEF1 Wagoner CountyEF1 Latimer CountyEF1 Pushmataha CountyEF1 Pushmataha CountyEF1 Le Flore CountyEF1 Le Flore CountyEF0 Osage CountyEF0 Okfuskee CountyEF0 Washington CountyEF0 Washington CountyEF0 Okfuskee CountyEF0 Latimer County

Source: NOAA Storm Events Database, event 302759. Narratives are written by the National Weather Service forecast office that issued the report.

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