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F1 tornado in Howard County, Indiana

Tornado April 20, 2004 · Howard County, Indiana

F1
Rating
0.7 mi
Path length
75 yd
Path width
1
Injury
$3.0M
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

A third in a string of tornadoes associated with an isolated low-topped supercell touched down in Kokomo. The tornado was rated an F1 and severely damaged a skating rink and trucking company. There was also damage to 3 other homes and 1 minor injury reported.

The wider storm

3 low-topped supercell thunderstorms dropped down at least 1 tornado a piece and a total of 6 tornadoes across Central Indiana during the late afternoon and early evening of April 20. All of the tornadoes were F0 or F1 in rating. The worst damage occurred in Kokomo as 3 homes were damaged and a skating rink and trucking company had significant damage totaling around 3 million dollars. There were also 1 minor injury. The town of Jamestown along the Hendricks/Boone county border also was hit hard with significant damage to a dozen homes totaling 1.65 million dollars. There were also 8 minor injuries, 1 as a result of his semi being overturned along Interstate 74.

Began near Kokomo (40.1333, -86.2167).

Other tornadoes from the same storm system

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

F1 Hendricks CountyF1 Boone CountyF1 Clinton CountyF0 Boone CountyF0 Howard CountyF0 Madison County

Source: NOAA Storm Events Database, event 5392983. Narratives are written by the National Weather Service forecast office that issued the report.

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