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F0 tornado in McIntosh County, Oklahoma

Tornado June 1, 1999 · McIntosh County, Oklahoma

F0
Rating
2.3 mi
Path length
100 yd
Path width
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 F0 means. This tornado was rated on Fujita’s original scale, used until 2007. F0 meant light damage: shingles and siding peeled, gutters torn, branches broken; the scale paired it with winds of 40–72 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

Spotters reported a tornado in open country. The tornado moved east-southeast for over two miles.

The wider storm

Summary of events for the afternoon and evening of June 1 1999:A cold front moving in from the northwest moved into an extremely unstable air mass on the afternoon of June 1. Along the front, an isolated supercell thunderstorm developed around the Pryor/Locust Grove area and then moved in a slow and unusual south-southwest direction. This storm produced very large hail in addition to several strong tornadoes. This storm also produced eastern Oklahoma's first killer tornado in at least half of a decade.

Began near Stidham (35.3300, -95.6500).

Other tornadoes from the same storm system

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

F3 Cherokee County 2 deadF3 McIntosh CountyF2 McIntosh CountyF1 Muskogee CountyF0 Pittsburg CountyF0 Pittsburg County

Source: NOAA Storm Events Database, event 5700855. Narratives are written by the National Weather Service forecast office that issued the report.

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