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EF1 tornado in Effingham County, Georgia

Tornado July 7, 2021 · Effingham County, Georgia

EF1
Rating
1.9 mi
Path length
100 yd
Path width
1
Injury
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 (NWS) storm survey team determined that an EF-1 tornado occurred near Springfield in Effingham County. The tornado began just north of Stillwell Road and east of Mock Road at Mose Mock Farms where the tops of several trees were sheared off, large branches were blown down, and a carport collapsed. The tornado then moved northwest, snapping and uprooting several trees along Mock Road and in a field near a powerline easement. The tornado then strengthened as it turned north and moved along Wood Duck Way. Multiple homes on Wood Duck Way and Riley Court suffered minor roof and siding damage, two boats on trailers were lifted and overturned, a carport collapsed, and numerous trees were uprooted or snapped. The tornado then continued northward, crossing Highway 119 where it snapped and uprooted a few trees and knocked down powerlines before dissipating in a field just north of the highway. A vehicle ran into a downed tree on Highway 119 and the driver sustained minor injuries. The maximum strength of the tornado was estimated to be EF-1, with peak winds of 105 mph, particularly in the area of Wood Duck Way and Riley Court.

The wider storm

Elsa initially developed as a Tropical Depression over the central tropical Atlantic late in the evening of June 30th, 2021. The system quickly tracked to the west-northwest and became Tropical Storm Elsa on the morning of July 1st, 2021 about 850 miles east-southeast of the Windward Islands. Elsa strengthened to a hurricane and crossed the Windward Islands on July 2nd, 2021. Over the next several days, Elsa moved across the eastern Caribbean and weakened back to a Tropical Storm as it interacted with the higher terrain of the Dominican Republic, Haiti, and Cuba. Elsa moved into the eastern Gulf of Mexico late in the evening of July 5th, 2021 and moved north along the west coast of Florida. Elsa made landfall as a Tropical Storm in Taylor County along the north Florida coast on the morning of July 7th, 2021. After landfall, Elsa weakened and tracked northeastward across portions of Georgia and South Carolina through July 8th, 2021. The primary impacts to southeast Georgia and southeast South Carolina included heavy rainfall, a few tornadoes, and gusty winds. Rainfall amounts peaked in the 6-8 inch range across portions of Charleston, Chatham, Beaufort, and Colleton counties. The heavy rainfall did produce some street flooding, causing some roadways to become impassable in and around Savannah and Charleston. Peak winds occurred along the Chatham, Jasper, and Beaufort county coasts where a Weatherflow site in Calibogue Sound measured a 70 knot wind gust. Elsewhere, wind gusts peaked in the 35-45 knot range producing scattered wind damage.

Began near Stillwell (32.3721, -81.2832).

Source: NOAA Storm Events Database, event 969942. Narratives are written by the National Weather Service forecast office that issued the report.

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