TwisterTrack
EF4Historical Record

EF4 Tornado — Webster County, Iowa — May 4, 1977

Webster County, IA

70 yd wide2.0 mi longmoved N
Shaded band = damage-path width · animated dot traces direction of travel

Event stats

EF ratingEF4
Date & timeMay 4, 1977 · 6:32 PM
Path length2.0 mi
Max width70 yd
Injuries14
Fatalities0

Details

A EF4 tornado was recorded in Webster County, IA, tracking roughly 2.0 miles with a maximum width of about 70 yards. The historical record notes 14 injuries and no fatalities. Details are drawn from NOAA/SPC and may be incomplete or generalized.

Historical record from public weather datasets.

Record details

Counties affected
Webster County
Start coordinates
42.5300, -94.1500
End coordinates
42.5300, -94.1500
Source
NOAA/SPC
Data status
Historical Record

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