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F1 tornado in Lawrence County, Indiana

Tornado November 15, 2005 · Lawrence County, Indiana

F1
Rating
0.2 mi
Path length
50 yd
Path width
$50K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

NOAA recorded where this tornado touched down but not where it lifted, so it appears as a point. Other tornadoes recorded nearby that day are shown faint.

What F1 means. This tornado was rated on Fujita’s original scale, used until 2007. F1 meant moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken; the scale paired it with winds of 73–112 mph, figures later judged too high, especially toward the top of the scale, and revised downward in the Enhanced Fujita scale. Ratings then, as now, came from the damage.

What the National Weather Service wrote

An F1 tornado touched down briefly in northern Lawrence county, damaging two homes. This tornado came from the same supercell that spawned an F3 tornado in Daviess and Martin counties. The supercell would go on to produce an additional F3 in Bartholomew and Shelby counties later in the afternoon.

The wider storm

An area of severe thunderstorms moved through central Indiana on the afternoon and evening of 15 November 2005, fueled by abnormally warm conditions which had been the rule across the region for the first half of the month. One strongly rotating supercell produced three tornadoes, two of them rated strong F3, over southern portions of central Indiana. Additional severe weather occurred with other supercells and squall line storms across central Indiana. Thanks to early warnings and heightened awareness of the severe weather threat, no one was killed by the tornadoes, and only one serious injury was reported.

Began near Coveyville (39.4667, -87.4000).

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 5479557. Narratives are written by the National Weather Service forecast office that issued the report.

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