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EF1 tornado in Hancock County, Indiana

Tornado February 27, 2023 · Hancock County, Indiana

EF1
Rating
5.2 mi
Path length
50 yd
Path width
$200K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

This first tornado touched down approximately 3 miles south-southeast of McCordsville, damaging the roof of a warehouse. The tornado remained on the ground approximately 3.34 miles striking a farm and destroying a farm outbuilding, damaging a large and functioning historic barn (sliding it slightly off its foundation) and snapping numerous trees. The tornado then continued to the northeast, possibly skipping for the last 1.9 miles of its path, crossing Indiana State Route 234 and North Fortville Pike where it blew over a semi truck before ending. This tornado was on the ground for approximately 6 minutes with estimated peak winds of 110 mph.

The wider storm

A potent cyclone crossed northern Illinois, bringing central Indiana into its warm sector. This allowed very strong vertical wind shear courtesy of the system's strong low-level jet stream to combine with the warm sector's adequate instability, producing several severe thunderstorms. Near the greatest shear and instability, small supercell thunderstorms produced severe straight line winds, with one supercell spawning two EF-1 tornadoes in Hancock County.

Began near Mc Cordsville (39.8656, -85.9115).

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 1073869. Narratives are written by the National Weather Service forecast office that issued the report.

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