Tornado, Pottawattamie
- When
- April 29, 12:20 PM CST
- Where
- Pottawattamie County
- Rating
- F1
- Path length
- 19 mi
- Path width
- 40 yd
- Property damage
- $250,000
- Coordinates
- 41.270, -95.870
Tornadoes and Hail in Iowa, April 29, 1991
10 hail, 10 thunderstorm wind, 7 tornado, 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $535,000
- Crop damage
- None recorded
- Events
- 27
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
10 hail, 10 thunderstorm wind, 7 tornado. Local standard time, as filed.
Hail, Sac
- When
- April 29, 12:30 PM CST
- Where
- Sac County
- Measured
- 2.75 in hail
- Coordinates
- 42.320, -95.220
Thunderstorm Wind, Howard
- When
- April 29, 12:30 PM CST
- Where
- Howard County
- Coordinates
- 43.500, -92.130
Hail, Pottawattamie
- When
- April 29, 12:35 PM CST
- Where
- Pottawattamie County
- Measured
- 1.75 in hail
- Coordinates
- 41.350, -95.870
Hail, Sac
- When
- April 29, 12:55 PM CST
- Where
- Sac County
- Measured
- 1.75 in hail
- Coordinates
- 42.320, -95.270
Hail, Sac
- When
- April 29, 12:55 PM CST
- Where
- Sac County
- Measured
- 1.75 in hail
- Coordinates
- 42.320, -95.050
Tornado, Harrison
- When
- April 29, 12:58 PM CST
- Where
- Harrison County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 40 yd
- Property damage
- $3,000
- Coordinates
- 41.500, -95.750
Thunderstorm Wind, Marshall
- When
- April 29, 1:10 PM CST
- Where
- Marshall County
- Coordinates
- 42.020, -93.170
Tornado, Pottawattamie
- When
- April 29, 1:21 PM CST
- Where
- Pottawattamie County
- Rating
- F0
- Path length
- 0.2 mi
- Path width
- 17 yd
- Property damage
- $3,000
- Coordinates
- 41.370, -95.470
Tornado, Hardin
- When
- April 29, 1:25 PM CST
- Where
- Hardin County
- Rating
- F1
- Path length
- 3 mi
- Path width
- 40 yd
- Property damage
- $250,000
- Coordinates
- 42.270, -93.350
Hail, Buena Vista
- When
- April 29, 1:27 PM CST
- Where
- Buena Vista County
- Measured
- 1.75 in hail
- Coordinates
- 42.600, -95.000
Hail, Pocahontas
- When
- April 29, 1:32 PM CST
- Where
- Pocahontas County
- Measured
- 1.75 in hail
- Coordinates
- 42.800, -94.750
Tornado, Humboldt
- When
- April 29, 1:35 PM CST
- Where
- Humboldt County
- Rating
- F1
- Path length
- 0.1 mi
- Path width
- 17 yd
- Property damage
- $3,000
- Coordinates
- 42.670, -94.430
Thunderstorm Wind, Wright
- When
- April 29, 1:40 PM CST
- Where
- Wright County
- Coordinates
- 42.650, -93.500
Thunderstorm Wind, Wright
- When
- April 29, 1:45 PM CST
- Where
- Wright County
- Measured
- 50 kt (58 mph)
- Coordinates
- 42.730, -93.730
Tornado, Pocahontas
- When
- April 29, 1:50 PM CST
- Where
- Pocahontas County
- Rating
- F1
- Path length
- 4 mi
- Path width
- 50 yd
- Property damage
- $25,000
- Coordinates
- 42.800, -94.750
Hail, Sac
- When
- April 29, 1:52 PM CST
- Where
- Sac County
- Measured
- 1.75 in hail
- Coordinates
- 42.280, -95.100
Tornado, Pocahontas
- When
- April 29, 1:55 PM CST
- Where
- Pocahontas County
- Rating
- F1
- Path length
- 0.1 mi
- Path width
- 17 yd
- Property damage
- $3,000
- Coordinates
- 42.830, -94.850
Hail, Pocahontas
- When
- April 29, 1:55 PM CST
- Where
- Pocahontas County
- Measured
- 2.75 in hail
- Coordinates
- 42.850, -94.850
Thunderstorm Wind, Wright
- When
- April 29, 1:55 PM CST
- Where
- Wright County
- Coordinates
- 42.850, -93.600
Thunderstorm Wind, Kossuth
- When
- April 29, 2:00 PM CST
- Where
- Kossuth County
- Coordinates
- 42.930, -94.250
Thunderstorm Wind, Hancock
- When
- April 29, 2:10 PM CST
- Where
- Hancock County
- Coordinates
- 43.100, -93.620
Thunderstorm Wind, Cerro Gordo
- When
- April 29, 2:10 PM CST
- Where
- Cerro Gordo County
- Measured
- 51 kt (59 mph)
- Coordinates
- 43.150, -93.330
Hail, Cerro Gordo
- When
- April 29, 2:25 PM CST
- Where
- Cerro Gordo County
- Measured
- 0.75 in hail
- Coordinates
- 43.150, -93.200
Thunderstorm Wind, Cerro Gordo
- When
- April 29, 2:28 PM CST
- Where
- Cerro Gordo County
- Coordinates
- 43.170, -93.430
Thunderstorm Wind, Winnebago
- When
- April 29, 2:30 PM CST
- Where
- Winnebago County
- Measured
- 70 kt (81 mph)
- Coordinates
- 43.380, -93.930
Hail, Worth
- When
- April 29, 2:43 PM CST
- Where
- Worth County
- Measured
- 1 in hail
- Coordinates
- 43.420, -93.170
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.
- 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
- Tornadoes and Damaging Winds in Minnesota, April 29, 1991
- Tornadoes and Hail in Alabama, April 29, 1991
- Tornadoes in Illinois, April 29, 1991
- Hail and Damaging Winds in Georgia, April 29, 1991
- Damaging Winds in Tennessee, April 29, 1991
- Tornado and Hail in South Carolina, April 29, 1991
- Hail and Damaging Winds in North Carolina, April 29, 1991
- Tornado and Hail in Texas, April 29, 1991
- Damaging Winds in Louisiana, April 29, 1991
- Damaging Winds in Wisconsin, April 29, 1991
- Damaging Winds in Mississippi, April 29, 1991
- Tornado and Hail in Nebraska, April 29, 1991
More
Every storm in Iowa in 1991Every state in 1991This day in weather historyThe tornado archive for Iowa, 1991Warnings in Iowa, April 1991
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: 10027470, 10027471, 10027472, 10027473, 10027474, 10027475, 10027476, 10027477, 10027478, 10027479, 10027480, 10027481, 10027482, 10027483, 10027484, 10027485, 10027486, 10027487, 10027488, 10027489, 10027490, 10027491, 10027492, 10027493, 10027494, 10027495, 10027496.