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EF1 tornado in Crawford County, Arkansas

Tornado May 3, 2021 · Crawford County, Arkansas

EF1

Rating

41.8 mi

Whole path

700 yd

Path width

Injury

$16.2M

Damage as recorded

NOAA records this tornado county by county. Its path ran through Sequoyah County, Oklahoma → Sequoyah County, Oklahoma → Crawford County → Sebastian County → Crawford County → Crawford County → Crawford County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 700 yards (0.40 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 is the second segment of a two segment tornado. In Crawford County, this tornado uprooted trees and snapped power poles before dissipating just east of Ranch Road. Based on this damage, maximum estimated wind in this segment of the tornado was 90 to 100 mph.

The wider storm

Severe thunderstorms developed across portions of northwestern Arkansas during the evening of the 3rd, along and east of a stationary front that stretched across the area. The air mass across much of northwestern Arkansas became very unstable ahead of the storms, and wind shear across the region increased as an upper level disturbance approached from the west. These conditions supported the development of bowing line segments, which produced several tornadoes, and damaging wind gusts.

Began near Stattler (35.4600, -94.4430).

Source: NOAA Storm Events Database, event 958725. Narratives are written by the National Weather Service forecast office that issued the report.

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