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EF1 tornado in Chatham County, Georgia

Tornado July 27, 2018 · Chatham County, Georgia

EF1
Rating
2.4 mi
Path length
100 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 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 National Weather Service storm survey team confirmed that an EF-1 tornado impacted portions of Chatham County. The tornado began near Bartow Point Drive, just north of Island Expressway. The tornado then crossed over the Frank W. Spencer Boat Ramp and Fishing Pier area before crossing Island Expressway. The tornado continued southeast across Oatland Island where it was estimated to have snapped or uprooted over 100 large hardwood and softwood trees. It also removed the roof from a log cabin and partially damaged the roof to another structure in the Delk-Dawson Heritage Homestead on Oatland Island. The tornado continued southeast over Richardson Creek, entering the Grays subdivision on Whitemarsh Island. In this neighborhood, the tornado snapped and uprooted many large trees. The most significant damage surveyed in the Grays subdivision were large snapped and uprooted trees that had fallen onto approximately 50 homes. Several homes also had significant shingle damage. The tornado then crossed Highway 80, moving over Islands Christian Church before taking a narrow path along Dolphin Lane, Passing near Marsh Point Elementary School. The school sustained moderate damage to the roof near the main entry of the facility. Finally, the tornado moved southeast across Whitemarsh Island Drive before dissipating near Islands High School, where it toppled the metal bleachers and damaged some fencing near athletic fields. The tornado was on the ground for approximately 8 minutes.

The wider storm

A cluster of thunderstorms developed near the southeast Georgia coast in advance of a stationary front inland. As these thunderstorms moved to the south and southeast closer to the coast, they interacted with the sea breeze and moved into an environment conducive to the development rotating updrafts. A tornado developed quickly and impacted portions of Chatham County.

Began near Savannah (32.0644, -81.0287).

Source: NOAA Storm Events Database, event 777213. Narratives are written by the National Weather Service forecast office that issued the report.

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