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EF1 tornado in Harrison County, Indiana

Tornado July 20, 2018 · Harrison County, Indiana

EF1
Rating
6.0 mi
Path length
250 yd
Path width
1
Injury
$600K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 250 yards (0.14 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

A tornado was confirmed of EF1 scale with a maximum wind speed of 105 mph. The tornado first touched down along Justin`s Trail in the Southwind Estates subdivision. There was significant tree damage along Pleasure Ridge Road where a large tree fell on a garage. Farther east along Pleasure Ridge Road, several small funnels from the main funnel did extensive damage. A 2 x 8 impaled a concrete grain silo. At least four big barns received extensive damage, including a turkey barn. Further east, several funnels congealed into one main tornado doing extensive damage to hardwood trees and significant roof damage to several homes. Along South Pleasant Road, one home had mud spatter on the back east side of the house where several pieces of wood were impaled in the ground. At that property, a pole barn was completely destroyed and thrown in different directions. A truck and horse trailer was moved and twisted 50 feet. The wind speeds in this area were the strongest at 105 mph and the maximum width was 250 yards.

At the end of Sarabeth Way, there was extensive hardwood tree damage which included uprooted, twisted, and mangled trees. This included several healthy hickory trees which were snapped. Further east on Sinker Road, there was impressive cyclonic crop damage across a corn field with corn laying in every direction. On Simler Road, there was consistent snapped tree damage and we observed a camper that had been tossed and flipped over and several barns received extensive damage. During the final stages of the tornado, it struck homes along Peyton Road flipping over single wide trailers, lifting the roof of a barn, and doing extensive tree damage. Parts of the barn, including insulation and sheet metal, were thrown into the trees.

According to a local TV news broadcast, a New Middletown Volunteer Fire Department member suffered a minor injury.

The tornado was captured on video by a security camera and a resident's cell phone in the Southwind Estates, which were circulated on social media. These videos showed an extremely small but visible vortex (one to three feet in diameter) on the ground going through a grassy area and splitting a tree in front of a home. One of the videos continued to show the tornado after this, where it grew in size.

The wider storm

Rounds of severe storms hammered southern Indiana and central Kentucky on Friday, July 20, 2018, bringing very large hail, wind damage, heavy rain, and 2 confirmed tornadoes in Indiana.

The largest hail report the national weather service received was 4 inches in diameter (softball size) in Tompkinsville! The strongest measured wind gust was 70 mph at the Lexington Bluegrass Airport.

Began near Hillgrove (38.1527, -86.1501).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 763961. Narratives are written by the National Weather Service forecast office that issued the report.

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