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EF1 tornado in Craig County, Oklahoma

Tornado May 22, 2019 · Craig County, Oklahoma

EF1
Rating
1.5 mi
Path length
150 yd
Path width
$3K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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

This tornado uprooted trees and snapped power poles. Based on this damage, maximum estimated wind in the tornado was 85 to 90 mph. It was observed by a trained storm spotter.

The wider storm

Severe thunderstorms developed over northeastern Oklahoma during the afternoon hours of the 22nd, ahead of a cold front that moved into the area. Very strong instability and wind shear in the air mass ahead of the cold front allowed for the development of supercell thunderstorms, which affected the area through late evening. These supercells produced twenty-one documented tornadoes, including a significant tornado, large hail up to baseball size, damaging wind gusts, and locally heavy rainfall that resulted in flash flooding across northeastern Oklahoma.

Began near Pyramid Corners (36.8320, -95.1399).

Other tornadoes from the same storm system

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

EF2 Delaware CountyEF1 Okfuskee CountyEF1 Okfuskee CountyEF1 Okfuskee CountyEF1 Craig CountyEF1 Ottawa CountyEF1 Mayes CountyEF1 Mayes CountyEF1 Craig CountyEF0 Okmulgee CountyEF0 Tulsa CountyEF0 Muskogee CountyEF0 Craig CountyEFU Okfuskee CountyEFU Wagoner CountyEFU Osage CountyEFU Osage CountyEFU Mayes CountyEFU Okfuskee County

Source: NOAA Storm Events Database, event 830344. Narratives are written by the National Weather Service forecast office that issued the report.

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