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EF1 tornado in Conway County, Arkansas

Tornado May 1, 2011 · Conway County, Arkansas

EF1
Rating
1.0 mi
Path length
75 yd
Path width
$35K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 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 in the Center Ridge area blew down trees. One of the falling trees damaged the roof of a house and knocked the back porch off the same house. Another falling tree landed on the house across the street. Temperatures were in the lower 50's at the time of the tornado.

The wider storm

A nearly stationary front, extending from southwest Arkansas to the east central part of the state, served as a trigger for severe weather on the 1st. The front was also responsible for heavy to excessive rainfall amounts, which began on April 30th and continued through May 2nd. The rain triggered flash flooding, which added to the areal flooding and river flooding already occurring. Thus, additional rainfall was contributed to the Great Flood of 2011. Some of the larger rainfall amounts from April 30th to May 2nd included 12.52 inches at Marche, 12.00 inches at Maumelle, 10.50 inches 2.4 miles east-southeast of Mayflower, 10.40 inches at Walton Heights in Little Rock, 9.60 inches at Clarendon, 9.49 inches at North Little Rock, 8.26 inches 4 miles southwest of Cabot, 8.05 inches at Mount Ida, 7.39 inches 5 miles southeast of Mount Ida, 7.21 inches at Georgetown, and 7.03 inches at the Hot Springs Airport. Stations reporting more than 6 inches included the Stuttgart Airport, 3.6 miles west of Searcy, Des Arc, McCrory, Little Rock Air Force Base, Langley, and Adams Field in Little Rock. Stations reporting more than 5 inches included the Newport Airport, Washita, Nimrod Dam, Brinkley, 6 miles southeast of Clinton, 1 mile east of Hopper, Mammoth Spring, 2 miles northwest of Augusta, the Batesville Livestock experiment station, 1 mile southeast of Oden, Grubbs, 3.5 miles east-northeast of Pottsville, the Newport Water Plant, Hot Springs National Park, 3 miles northeast of Botkinburg, Dardanelle, and Hardy.

Began near Center Ridge (35.3763, -92.5659).

Source: NOAA Storm Events Database, event 289881. Narratives are written by the National Weather Service forecast office that issued the report.

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