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EF0 tornado in Harrison County, Indiana

Tornado July 4, 2024 · Harrison County, Indiana

EF0
Rating
1.0 mi
Path length
125 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 125 yards (0.07 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 National Weather Service in Louisville confirmed an

EF0 tornado in Harrison County, Indiana, just north of Corydon.

The tornado began just west of Indiana State Road 135 just south of Highway 335.

A two story home had shingle damage, with their older outbuilding

destroyed. The outbuilding boards were displaced 50 yards, going

in multiple directions, and several trees were topped and

twisted. Winds were 80 mph, EF0, with a width of 100 yards.

The tornado crossed Highway 135 into an open field and topped and

uprooted some cedar trees. The tornado damaged some trees along

Indian Creek, before doing more substantial tree damage along

Elwanger Road and Tee Road. Trees were twisted, topped, and

uprooted. One maple tree was topped, falling on and destroying a vehicle. Multiple power lines were down as well with at least one older power pole down. Winds were 85 mph, EF0, with a width of 125 yards. The tornado lifted before Raccoon Branch.

The wider storm

A slow-moving cold front lingered across the Ohio Valley, bringing multiple waves of showers and thunderstorms from July 3rd through July 5th. Localized training of heavier showers and thunderstorms resulted in flash flooding, particularly in Dubois County during the afternoon and evening hours on July 3rd. Over this three day period, scattered strong to severe storms produced mainly isolated straight-line wind damage across southern Indiana, though one spin-up EF0 tornado touched down in Harrison County on July 4th. The cold front finally pushed through the region during the evening hours on July 5th, bringing an end to the active weather.

Began near Corydon Jct (38.2731, -86.1122).

Source: NOAA Storm Events Database, event 1206794. Narratives are written by the National Weather Service forecast office that issued the report.

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