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EF1 tornado in Calhoun County, Arkansas

Tornado January 22, 2012 · Calhoun County, Arkansas

EF1
Rating
19.6 mi
Whole path
300 yd
Path width
$4.1M
Damage as recorded

NOAA records this tornado county by county. Its path ran through Calhoun County → Dallas County → Cleveland County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 300 yards (0.17 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

An EF1 tornado tracked through timber lands in Calhoun County. Most of the damage consisted of trees being blown down or having their tops taken off. The tornado exited Calhoun County north-northwest of Thornton and entered Dallas County west-southwest of Beech Grove.

The wider storm

The day of the 22nd began cloudy, chilly, and foggy across most of Arkansas. During the day, however, much warmer air surged northward across much of the state. In the evening, a cold front plowed into the warmth and moisture, triggering severe thunderstorms and seven tornadoes.

Began near Little Bay (33.7634, -92.5452).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 355489. Narratives are written by the National Weather Service forecast office that issued the report.

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