F0 tornado in Mercer County, Missouri

Tornado May 29, 2004 · Mercer County, Missouri

Rating

4.0 mi

Whole path

100 yd

Path width

NOAA records this tornado county by county. Its path ran through Grundy County → Mercer 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 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

Tornado crossed into Mercer county from Grundy county near Mill Grove.

Began near Mill Grove (40.2833, -93.6500).

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 Harrison County 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 Harrison County F0 Buchanan County F0 Clinton County

Source: NOAA Storm Events Database, event 5400197. Narratives are written by the National Weather Service forecast office that issued the report.

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