EF0 tornado in Autauga County, Alabama

Tornado May 4, 2021 · Autauga County, Alabama

EF0

Rating

10.6 mi

Whole path

270 yd

Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 270 yards (0.15 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 southeast Autauga County and determined that it was consistent with an EF0 tornado, with maximum winds near 75 mph. The tornado was embedded in a fast moving QLCS and touched down in the city of Prattville near the intersection of Richmond Way and Guilford Lane. The tornado traveled east and crossed into Elmore County just east of Castle Brook Drive. The damage consisted mainly of uprooted trees.

The wider storm

A multi-day severe weather event unfolded across Central Alabama from May 2nd through May 4th. Alabama remained on the eastern side of a broad upper trough positioned over the Plains States. Several upper level impulses emanated from the trough axis and produced severe weather across Alabama. The main severe weather event occurred on May 4th when a QLCS tracked eastward across areas along and east of I-20 and produced widespread wind damage, flash flooding, and tornadoes.

Began near Prattmont (32.4707, -86.4421).

Other tornadoes from the same storm system

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

EF0 Greene County EF0 Perry County EF0 Macon County EFU Tuscaloosa County

Source: NOAA Storm Events Database, event 957986. Narratives are written by the National Weather Service forecast office that issued the report.

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