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EF1 tornado in Bibb County, Georgia

Tornado April 5, 2011 · Bibb County, Georgia

EF1
Rating
1.1 mi
Path length
50 yd
Path width
$300K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

A damage survey conducted by the National Weather Service Forecast Office in Peachtree City, Georgia confirmed that a brief EF1 tornado had touched down in southern Bibb county, approximately two miles southwest of Skipperton. The tornado path length was approximately 1.1 miles long, maximum path width was 50 yards, and maximum wind speeds were estimated to be 105 mph. The tornado touched down near the intersection of Sardis Church Road and Goodall Mill Road and tracked northeast 1.1 miles before lifting just east of the 6900 block of Andalusia Drive. Around 100 trees were either blown over, uprooted, or snapped along the path of the tornado. Nine homes suffered minor to moderate damage from downed trees and/or the tornadic winds. One of the homes sustained significant damage when the wind blew out the garage and caused the entire home to shift off its foundation. No fatalities or injuries were reported in conjunction with this tornado.

[04/04-04/05/11: Tornado #3, County #1-1, EF1, Bibb, 2011:005].

The wider storm

An extremely progressive and highly kinematic upper flow remained in place across the U.S. A deep, full-latitude negatively tilted trough and associated strong Pacific cold front swept through the eastern U.S. April 4th into April 5th. An intense northeast to southwest oriented squall line of thunderstorms accompanied this front. Wind gusts of 60 to 70 mph were common along this line of thunderstorms as it traversed the entire Peachtree City (WFO FFC), Georgia Weather Forecast county warning area. Nearly every county received at least one severe thunderstorm warning during this event and nearly every county experienced extensive wind damage from these thunderstorms. Two brief EF0 tornadoes also occurred with this event in Gilmer county of north central Georgia. Downed trees on homes and vehicles also caused 7 fatalities during this event, the most in any single weather event since the catastrophic floods of late September 2009. Even several hours after the storms had passed, at least 50,000 residents of north and central Georgia remained without power.

Began near Walden (32.7119, -83.7127).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 295301. Narratives are written by the National Weather Service forecast office that issued the report.

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