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EF1 tornado in Coal County, Oklahoma

Tornado April 30, 2019 · Coal County, Oklahoma

EF1

Rating

0.8 mi

Path length

25 yd

Path width

$5K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 25 yards (0.01 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

The Lehigh cooperative observer noted a 20-30 yard wide path of damage to Blackjack Oak trees southwest of Lehigh.

The wider storm

A stationary front and and upper wave produced numerous thunderstorms with a variety of severe weather on the 30th.

Began near Lehigh (34.4360, -96.2550).

Other tornadoes from the same storm system

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

EF3 Bryan County 2 dead EF1 Lincoln County EF1 Payne County EF1 Johnston County EFU Murray County EFU Tillman County

Source: NOAA Storm Events Database, event 822196. Narratives are written by the National Weather Service forecast office that issued the report.

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