Iowa, 1984

Tornadoes and Hail in Iowa, June 22, 1984

June 22, 1984 · NWS MT · 17 events in 14 counties and zones

8 thunderstorm wind, 8 tornado, 1 hail, as filed by the National Weather Service.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$5.0 million
Crop damage
None recorded
Events
17

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.

Event by event

8 thunderstorm wind, 8 tornado, 1 hail. Local standard time, as filed.

Hail, Dickinson

When
June 22, 2:35 PM CST
Where
Dickinson County
Measured
1 in hail
Coordinates
43.370, -95.150

Thunderstorm Wind, Emmet

When
June 22, 3:15 PM CST
Where
Emmet County
Measured
90 kt (104 mph)
Coordinates
43.420, -94.850

Thunderstorm Wind, Wright

When
June 22, 5:15 PM CST
Where
Wright County
Measured
54 kt (62 mph)
Coordinates
42.730, -93.730

Thunderstorm Wind, Story

When
June 22, 5:15 PM CST
Where
Story County
Measured
52 kt (60 mph)
Coordinates
42.030, -93.620

Thunderstorm Wind, Dallas

When
June 22, 5:20 PM CST
Where
Dallas County
Measured
54 kt (62 mph)
Coordinates
41.830, -94.120

Thunderstorm Wind, Franklin

When
June 22, 5:25 PM CST
Where
Franklin County
Coordinates
42.800, -93.470

Tornado, Cerro Gordo

When
June 22, 5:45 PM CST
Where
Cerro Gordo County
Rating
F1
Path length
9 mi
Path width
77 yd
Property damage
$2.5 million
Coordinates
42.980, -93.180

Tornado, Butler

When
June 22, 6:00 PM CST
Where
Butler County
Rating
F1
Path length
6 mi
Path width
77 yd
Property damage
$2.5 million
Coordinates
42.920, -93.000

Tornado, Floyd

When
June 22, 6:02 PM CST
Where
Floyd County
Rating
F0
Path width
33 yd
Coordinates
42.980, -92.700

Thunderstorm Wind, Grundy

When
June 22, 6:11 PM CST
Where
Grundy County
Coordinates
42.380, -92.680

Tornado, Story

When
June 22, 6:12 PM CST
Where
Story County
Rating
F0
Path width
33 yd
Coordinates
42.030, -93.620

Tornado, Butler

When
June 22, 6:15 PM CST
Where
Butler County
Rating
F0
Path width
33 yd
Coordinates
42.670, -92.780

Thunderstorm Wind, Bremer

When
June 22, 6:45 PM CST
Where
Bremer County
Coordinates
42.670, -92.350

Thunderstorm Wind, Wright

When
June 22, 6:50 PM CST
Where
Wright County
Coordinates
42.680, -93.900

Tornado, Benton

When
June 22, 7:22 PM CST
Where
Benton County
Rating
F0
Path width
33 yd
Coordinates
42.000, -91.980

Tornado, Jones

When
June 22, 8:15 PM CST
Where
Jones County
Rating
F0
Path width
33 yd
Coordinates
42.080, -91.270

Tornado, Cedar

When
June 22, 8:55 PM CST
Where
Cedar County
Rating
F0
Path width
33 yd
Coordinates
41.850, -90.930

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.
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.

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

The same day elsewhere

More

Every storm in Iowa in 1984Every state in 1984This day in weather historyThe tornado archive for Iowa, 1984

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: 10012751, 10012752, 10012753, 10012754, 10012755, 10012756, 10012757, 10012758, 10012759, 10012760, 10012761, 10012762, 10012763, 10012764, 10012765, 10012766, 10012767.