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EF0 tornado in Cherokee County, Alabama

Tornado March 25, 2021 · Cherokee County, Alabama

EF0
Rating
38.2 mi
Whole path
875 yd
Path width
6
Deaths
10
Injuries

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 875 yards (0.50 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

National Weather Service meteorologists surveyed damage in southern Cherokee County and determined that it was consistent with an EF0 tornado, with maximum winds near 80 mph.

This tornado originated in Calhoun County and crossed into Cherokee County just west of Highway 9. The tornado tracked northeast and crossed Highway 9 and County Road 33. The tornado was in a weakening phase once it crossed into Cherokee County and dissipated just east of County Road 29. Damage consisted mostly of uprooted trees.

The wider storm

A potent storm system affected Central Alabama on Thursday, March 25th. A highly-sheared environment combined with increasing instability produced numerous tornadic thunderstorms. Severe parameters were supportive of significant and long-track supercells, prompting the issuance of a rare High Risk Convective Outlook from the Storm Prediction Center for portions of Central Alabama.

A total of 10 tornado tracks were surveyed in Central Alabama. This included 4 EF3 tornadoes, 3 EF2 tornadoes, and 3 EF1 tornadoes. Damage was significant along the paths of the most intense tornadoes and, unfortunately, injuries and fatalities occurred.

Some storms were cyclic, meaning multiple tornadoes were produced by the same storm. The most impressive tornado of the event was the long-track tornado that traveled nearly 80 miles from Hale County to Shelby County. This ranked as the seventh longest single tornado track in the state of Alabama.

Began near Gnatville (33.9620, -85.6340).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 946871. Narratives are written by the National Weather Service forecast office that issued the report.

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