EF4Historical Record
EF4 Tornado — Polk County, Iowa — June 18, 1974
Polk County, IA
400 yd wide15.3 mi longmoved S
Shaded band = damage-path width · animated dot traces direction of travel
Event stats
EF ratingEF4
Date & timeJune 18, 1974 · 9:35 PM
Path length15.3 mi
Max width400 yd
Injuries50
Fatalities2
Details
A EF4 tornado was recorded in Polk County, IA, tracking roughly 15.3 miles with a maximum width of about 400 yards. The event is associated with 2 fatalities and 50 injuries in the historical record. Details are drawn from NOAA/SPC and may be incomplete or generalized.
Historical record from public weather datasets.
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