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EF1 tornado in Alexander County, North Carolina

Tornado October 23, 2017 · Alexander County, North Carolina

EF1
Rating
8.2 mi
Path length
200 yd
Path width
1
Death
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 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 a path of a tornado across northwest Alexander County. This could have been the continuation of a tornado path that began across the southwest part of the county and straddled the Caldwell County line. However, the path of that tornado was lost in a heavily wooded area east of Caldwell Pond Rd and south of Highway 64. This tornado path began along Highway 64 in the Ellendale community and moved northeast, uprooting or snapping numerous trees along a fairly continuous path. The path was lost along Seth Deal Rd, about a mile west of Highway 16 and a mile south of the Wilkes County border. Two days after the event, a utility worker was killed after part of a tree that he cut fell on him.

The wider storm

A band of rain showers along and ahead of a strong cold front quickly intensified during the afternoon across Upstate South Carolina, then moved quickly northeast into the North Carolina foothills and far western Piedmont. Multiple severe and/or tornadic thunderstorms developed within the line, with multiple tornadoes, some of which were quite strong, reported across the area. This was the second tornado outbreak to impact the this area in just over two weeks, and for the most part, the same counties that were impacted on October 8th were once again affected on the 23rd. Meanwhile, moderate to heavy rain falling throughout the morning hours, followed by a brief period of intense rainfall associated with the band of rain showers resulted in areas of flooding and flash flooding near the eastern escarpment of the Blue Ridge.

Began near All Healing Spgs (35.9220, -81.2870).

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 723747. Narratives are written by the National Weather Service forecast office that issued the report.

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