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F1 tornado in Muscatine County, Iowa

Tornado April 13, 2006 · Muscatine County, Iowa

F1
Rating
9.4 mi
Whole path
440 yd
Path width
1
Death
1
Injury
$125K
Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 440 yards (0.25 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

Entered from Johnson County

The wider storm

Tornado developed 4.1 mile southeast of Lone Tree in Johnson County at 1945 CST and moved east southeast entering Muscatine County 4.4 miles southwest of Nichols at 1946 CST. The tornado continued east southeast crossing highway 70 and crossed near the intersection of Davis Avenue and 210th Street 3 miles south of Nichols. Here a 49 year old female was killed and her husband injured when their mobile home was destroyed. The tornado continued east southeast and entered Red Cedar WMA, crossed the Cedar River, and turned northeast. The tornado crossed the Cedar River a second time, crossed highway 22 and dissipated 1.8 miles southeast of Adams at 2002 CST.Considerable tree and outbuilding damage occurred south of Nichols along with some damage to homes and garages.

Began near Nichols (41.4333, -91.3833).

Source: NOAA Storm Events Database, event 5502569. Narratives are written by the National Weather Service forecast office that issued the report.

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