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EF1 tornado in Lee County, Alabama

Tornado January 22, 2017 · Lee County, Alabama

EF1
Rating
3.1 mi
Path length
540 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 540 yards (0.31 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

National Weather Service meteorologists surveyed damage in central Lee County and determined that the damage was consistent with an EF1 tornado, with maximum sustained winds near 95 mph. The tornado touched down along Cunningham Drive, just northeast of the Auburn-Opelika Airport and tracked northeast. Minor damage occurred at touch down but increased as the tornado approached Pepperell Parkway, where numerous trees were snapped or uprooted and some homes suffered damage. The tornado lifted near Northgate Drive and Oak Bowery Road.

The wider storm

After over a week of near-record to record high temperatures, several upper-level disturbances followed by a strong upper-level low pressure system produced multiple rounds of severe weather across Central Alabama. This system was characterized by strong upper-level winds and very cold upper-level temperatures. The first round produced one brief, weak tornado in St. Clair County on the evening of January 19. The second round occurred on the morning of January 20 with 12 tornadoes across Marengo, Elmore, Macon, Lee, Pike, and Barbour Counties. A third round produced damaging straight line winds on the night of January 21, including in the Birmingham metro area where the Birmingham airport measured a 75 mph wind gust and in Oneonta where 80 mph straight-line winds caused significant damage. A brief tornado also occurred in Tuscaloosa County with this activity. Finally, a fourth round moved through during the day on January 22 with 3 tornadoes across Bullock and Lee Counties.

Began near (auo)auburn Opelika (32.6262, -85.4207).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 676469. Narratives are written by the National Weather Service forecast office that issued the report.

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