Tornado History

Rock Vly Tornado History

This location page summarizes tornado records that list Rock Vly, Iowa as a begin or end location. The dataset includes 5 matching records from 1998 through 2008. The strongest matching rating is EF2 (Considerable damage), the latest matching tornado is May 1, 2008, and minimum reported property damage totals $530K.

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5recorded tornadoes

EF2 (Considerable damage)highest rating

$530Kminimum property damage

May 1, 2008latest tornado

8.89 milongest listed path

400 ydwidest listed path

Historical Track Sketch

Rating Breakdown

EF2 (Considerable damage)1
F0 (Light damage)3
EF0 (Light damage)1

Most Active Years

19981
20011
20041
20071
20081

Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

Date	Rating	Area	Length	Width	Min. property damage
May 1, 2008	EF2	Sioux, Iowa	8.89 mi	400 yd	$500K
May 15, 1998	F0	Sioux, Iowa	1 mi	50 yd	$30K
June 12, 2001	F0	Sioux, Iowa	0.1 mi	50 yd	N/A
April 18, 2004	F0	Sioux, Iowa	0.1 mi	50 yd	N/A
September 30, 2007	EF0	Sioux, Iowa	0.1 mi	50 yd	N/A

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Source And Limits

Data source: NOAA/NCEI. TornadoTrace summarizes historical records for screening and research. Coordinates, damage estimates, narratives, and event details can be approximate, incomplete, revised, or missing. Do not use this page as legal, insurance, engineering, real estate, emergency management, or safety advice.