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EF1 tornado in Darke County, Ohio

Tornado May 27, 2019 · Darke County, Ohio

EF1
Rating
1.4 mi
Path length
100 yd
Path width
$100K
Damage as recorded
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

The tornado initially touched down just inside the Ohio state line in southwest Darke County, about 2 miles south of the village of Hollansburg. Damage began as downed trees along with a barn roof and walls that were lifted and carried about 200 yards downwind on Hollansburg-Richmond Road. There was evidence of a convergent debris pattern and some evidence of back splatter, indicative of a tornado. The tornado continued over open fields until it destroyed another barn, just south of Moore Road, completely removing the roof and roof joists and collapsing exterior walls. There was also siding and awning damage to the home, as well as a large uprooted tree. The damage in this area was consistent with EF1 winds of 90 mph.

The tornado continued to Payne Road, resulting in some roof and siding damage to a barn, more indicative of EF0 damage.

The wider storm

Thunderstorms developed during the evening hours along a warm front lifting slowly north across the region. Many of the thunderstorms produced tornadoes, including a few strong to violent tornadoes.

Began near Glen Karn (39.9705, -84.8105).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 818111. Narratives are written by the National Weather Service forecast office that issued the report.

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