Iowa, 1997

Tornado in Iowa, July 20, 1997

July 20, 1997 · NWS ARX · 2 events in 1 county or zone

Storm spotters sighted funnel clouds and a brief tornado touchdown occurred. A home was damaged,but there were no injuries.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
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  • Cold
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The toll

Deaths
0
Injuries
0
Property damage
$35,000
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS ARX wrote it up.

Storm spotters sighted funnel clouds and a brief tornado touchdown occurred. A home was damaged,but there were no injuries.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 tornado, 1 funnel cloud. Local standard time, as filed.

Tornado, Howard

When
July 20, 8:20 PM CST to 8:30 PM CST
Where
Howard County, Cresco to 5 mi W of Cresco
Rating
F0
Path length
3 mi
Path width
70 yd
Property damage
$35,000
Coordinates
43.380, -92.220

Funnel Cloud, Howard

When
July 20, 8:30 PM CST to 8:35 PM CST
Where
Howard County, 1 mi N of Cresco
Coordinates
43.357, -92.317 (the zone’s center; the record gives no point)

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Iowa in 1997Every state in 1997This day in weather historyThe tornado archive for Iowa, 1997Warnings in Iowa, July 1997

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5606851, 5606852.