Iowa, 1998

Hail and Damaging Wind in Iowa, July 20, 1998

July 20, 1998 · NWS ARX · 6 events in 3 counties and zones

Spotters and law enforcement officials reported hail ranging in size from golf balls to as large as baseballs along with 70 mph winds.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$65,000
Crop damage
$265,000
Events
6

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.

Spotters and law enforcement officials reported hail ranging in size from golf balls to as large as baseballs along with 70 mph winds.

The radar

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

Open the radar archive at this moment

Event by event

5 hail, 1 thunderstorm wind. Local standard time, as filed.

Hail, Howard

When
July 20, 3:06 PM CST
Where
Howard County, Lime Spgs
Measured
2 in hail
Crop damage
$35,000
Reported by
AMATEUR RADIO
Coordinates
43.450, -92.280

Hail, Howard

When
July 20, 3:08 PM CST
Where
Howard County, 2 mi S of Lime Spgs
Measured
1.5 in hail
Property damage
$15,000
Crop damage
$40,000
Reported by
AMATEUR RADIO
Coordinates
43.420, -92.280

Hail, Howard

When
July 20, 3:10 PM CST
Where
Howard County, 3 mi E of Lime Spgs
Measured
3 in hail
Property damage
$30,000
Crop damage
$75,000
Reported by
AMATEUR RADIO
Coordinates
43.450, -92.220

Hail, Winneshiek

When
July 20, 3:32 PM CST
Where
Winneshiek County, 7 mi N of Decorah
Measured
1.75 in hail
Crop damage
$25,000
Reported by
LAW ENFORCEMENT
Coordinates
43.400, -91.800

Thunderstorm Wind, Allamakee

When
July 20, 3:50 PM CST
Where
Allamakee County, 2 mi N of Waukon
Measured
61 kt (70 mph)
Crop damage
$35,000
Reported by
TRAINED SPOTTER
Coordinates
43.300, -91.480

Hail, Allamakee

When
July 20, 3:50 PM CST
Where
Allamakee County, 2 mi N of Waukon
Measured
1 in hail
Property damage
$20,000
Crop damage
$55,000
Reported by
TRAINED SPOTTER
Coordinates
43.300, -91.480

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

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

The same day elsewhere

More

Every storm in Iowa in 1998Every state in 1998This day in weather historyWarnings in Iowa, July 1998

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: 5662424, 5662425, 5662426, 5662490, 5662491, 5662492.