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EF1 tornado in Oconee County, South Carolina

Tornado April 13, 2020 · Oconee County, South Carolina

EF1
Rating
4.0 mi
Path length
400 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 400 yards (0.23 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

NWS Storm Survey found the path of an EF1 tornado across the high elevations of Oconee County. Damage was first found along Highway 107, less than a mile south of Wigington Rd. Multiple large tree limbs were snapped near this location. The next area of damage was found due east of here along Whitewater Falls Rd, where numerous trees were snapped or uprooted. Additional tree damage was found on Bad Creek Rd, just west of Lake Jocassee. While additional tree damage was observed from a distance on a peninsula in Lake Jocassee, a survey of areas downstream was impossible due to the remote, inaccessible nature of the terrain in the Sumter National Forest/Jocassee Gorges area.

The wider storm

A strong storm system impacted the Southeast, resulting in a line of strong to severe thunderstorms that moved across upstate South Carolina during the early morning hours of the 13th. This resulted in severe weather, including a couple of strong tornadoes, one of which was the strongest tornado to impact the upstate area in more than 25 years.

Began near Jocassee (34.9900, -83.0550).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 886150. Narratives are written by the National Weather Service forecast office that issued the report.

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