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EF1 tornado in Avery County, North Carolina

Tornado August 14, 2023 – August 15, 2023 · Avery County, North Carolina

EF1
Rating
2.6 mi
Path length
35 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 35 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

NWS storm survey found the path of a rare EF1 tornado over far northern Avery County. The tornado touched down just east of where Dark Ridge Rd crosses into Tennessee, where multiple large tree limbs were snapped. The damage path extended east/northeast into a heavily wooded area, re-emerging in the Whaley community, crossing Joe Parlier Rd and Beech Mountain Rd, before moving along Buckeye Rd. The most significant damage was observed in this area, with multiple small-to-medium size trees snapped and some larger trees uprooted. The damage path was lost near this point, as the tornado crossed into another heavily wooded area. It was determined that the tornado continued into Watauga County just south of Buckeye Rd, as additional damage was found in that county. This was only the second confirmed tornado in Avery County's history, with the other one having occurred on 9 April 1965.

The wider storm

Isolated thunderstorms developed over western North Carolina during the afternoon. A couple of the storms produced brief strong-to-damaging wind gusts. Additional thunderstorms, along with a few storm clusters then moved into the mountains from east Tennessee during the late evening and overnight, resulting in a rare tornado, along with additional brief damaging wind gusts.

Began near Whaley (36.2330, -81.9550).

Source: NOAA Storm Events Database, event 1136920. Narratives are written by the National Weather Service forecast office that issued the report.

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