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F1 tornado in McPherson County, Kansas

Tornado May 4, 1999 · McPherson County, Kansas

F1
Rating
8.0 mi
Whole path
100 yd
Path width
$1.1M
Damage as recorded

NOAA records this tornado county by county. Its path ran through Reno County → McPherson County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 100 yards (0.06 mi) — zoom in and the swath grows to true scale. 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

Initial damage occurred 3.5 miles SW of Inman where an old barn collapsed and trees were uprooted. The greatest damage occurred 3-4 miles east of Inman where one house sustained minor roof damage, a circle irrigation system was destroyed, a tin cattleshed was destroyed, and an irrigation pipe was wrapped around trees. As the tornado continued a northeast track along and just east Highway 61, it inflicted more tree damage as well as damaging part of the wheat crop as it passed 2 miles southeast of Groveland before lifting 3 miles southwest of McPherson. Though possessing an overall track of 10 miles from point of entry into McPherson County to dissipation, the tornado skipped, never maintaining ground contact for more than 2 miles at a time with the segments totalling about 5 miles.

Began near Mc Pherson (38.2300, -97.8300).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 5690011. Narratives are written by the National Weather Service forecast office that issued the report.

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