F4 tornado in Harrison County, Missouri

Tornado May 29, 2004 · Harrison County, Missouri

Rating

2.0 mi

Path length

800 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 800 yards (0.45 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What F4 means. This tornado was rated on Fujita’s original scale, used until 2007. F4 meant devastating damage: well-built houses levelled; the scale paired it with winds of 207–260 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

Large F4 tornado crossed into Harrison county from Daviess county 5 miles south of Bethany over rural land and then dissipated.

Began near Bethany (40.2000, -94.0333).

Other tornadoes from the same storm system

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

F4 De Kalb County 3 dead F4 Daviess County F3 Platte County F2 De Kalb County F1 De Kalb County F1 Clinton County F0 De Kalb County F0 De Kalb County F0 Grundy County F0 Harrison County F0 Buchanan County F0 Clinton County

Source: NOAA Storm Events Database, event 5398142. Narratives are written by the National Weather Service forecast office that issued the report.

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