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EF1 tornado in Horry County, South Carolina

Tornado October 11, 2020 · Horry County, South Carolina

EF1

Rating

0.3 mi

Path length

30 yd

Path width

Injury

$150K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 30 yards (0.02 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

The tornado formed on the west side of Oak St. near an open field

then moved north, crossing Oak St. where it caused significant

damage to a home. The tornado also caused minor damage to an

adjacent home and storage building, but considerable damage to an

old barn. A large tree was snapped near the homes and several

other trees were uprooted in the forest north of the damaged

homes. The tornado likely dissipated prior to crossing Brown

Swamp, or south of Four Mile Rd.

The wider storm

The remnants of tropical system Delta spawned several tornadoes and strong thunderstorms.

Began near White Oak (33.8767, -79.0725).

Other tornadoes from the same storm system

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

EF1 Dillon County EF0 Horry County

Source: NOAA Storm Events Database, event 926204. Narratives are written by the National Weather Service forecast office that issued the report.

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