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EF0 tornado in Okmulgee County, Oklahoma

Tornado April 30, 2019 · Okmulgee County, Oklahoma

EF0

Rating

2.5 mi

Path length

100 yd

Path width

$30K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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

This tornado damaged a mobile home, damaged barns and outbuildings, and uprooted trees. It was observed by a number of people. Based on the damage, maximum estimated wind in the tornado was 80 to 85 mph.

The wider storm

Strong to severe thunderstorms developed across eastern Oklahoma during the early afternoon hours of the 30th, to the east of a stationary frontal boundary that was located across north-central Oklahoma into northwest Texas. Moderately strong instability combined with strong wind shear resulted in the development of supercell thunderstorms, which produced multiple tornadoes, including two strong tornadoes, large hail up to half dollar size, and damaging winds. Locally heavy rainfall also occurred across portions of northeastern Oklahoma, which resulted in flash flooding.

Began near Bald Hill (35.7058, -95.8747).

Other tornadoes from the same storm system

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

EF2 Washington County EF2 Pittsburg County EF1 Muskogee County EF1 Nowata County EF1 Wagoner County EF1 Craig County EF1 Delaware County EF1 Le Flore County EF0 Osage County EFU Rogers County EFU Mayes County

Source: NOAA Storm Events Database, event 822179. Narratives are written by the National Weather Service forecast office that issued the report.

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