Hail,
- When
- July 14, 2:55 PM CST
- Where
- County
- Measured
- 2 in hail
- Coordinates
- 43.000, -96.500
Tornadoes and Hail in Iowa, July 14, 1970
17 thunderstorm wind, 3 tornado, 2 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $300,000
- Crop damage
- None recorded
- Events
- 22
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
17 thunderstorm wind, 3 tornado, 2 hail. Local standard time, as filed.
Thunderstorm Wind,
- When
- July 14, 3:00 PM CST
- Where
- County
- Coordinates
- 43.000, -96.500
Hail, Plymouth
- When
- July 14, 3:30 PM CST
- Where
- Plymouth County
- Measured
- 1 in hail
- Coordinates
- 42.780, -96.000
Thunderstorm Wind, Plymouth
- When
- July 14, 3:30 PM CST
- Where
- Plymouth County
- Coordinates
- 42.780, -96.180
Thunderstorm Wind, Plymouth
- When
- July 14, 3:30 PM CST
- Where
- Plymouth County
- Coordinates
- 42.780, -96.000
Thunderstorm Wind, Cherokee
- When
- July 14, 4:00 PM CST
- Where
- Cherokee County
- Coordinates
- 42.700, -95.500
Tornado, Plymouth
- When
- July 14, 4:02 PM CST
- Where
- Plymouth County
- Rating
- F2
- Path length
- 1 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 42.600, -96.000
Thunderstorm Wind, Ida
- When
- July 14, 4:22 PM CST
- Where
- Ida County
- Coordinates
- 42.500, -95.680
Thunderstorm Wind, Ida
- When
- July 14, 4:25 PM CST
- Where
- Ida County
- Coordinates
- 42.500, -95.500
Thunderstorm Wind, Buena Vista
- When
- July 14, 4:25 PM CST
- Where
- Buena Vista County
- Measured
- 82 kt (94 mph)
- Coordinates
- 42.580, -95.180
Tornado, Benton
- When
- July 14, 4:30 PM CST
- Where
- Benton County
- Rating
- F1
- Path length
- 11.3 mi
- Path width
- 300 yd
- Property damage
- $250,000
- Coordinates
- 42.220, -92.080
Thunderstorm Wind, Ida
- When
- July 14, 4:30 PM CST
- Where
- Ida County
- Coordinates
- 42.380, -95.400
Thunderstorm Wind, Ida
- When
- July 14, 4:40 PM CST
- Where
- Ida County
- Coordinates
- 42.280, -95.500
Thunderstorm Wind, Sac
- When
- July 14, 4:45 PM CST
- Where
- Sac County
- Coordinates
- 42.380, -95.000
Thunderstorm Wind, Calhoun
- When
- July 14, 5:00 PM CST
- Where
- Calhoun County
- Coordinates
- 42.280, -94.900
Thunderstorm Wind, Calhoun
- When
- July 14, 5:10 PM CST
- Where
- Calhoun County
- Coordinates
- 42.380, -94.580
Thunderstorm Wind, Calhoun
- When
- July 14, 5:25 PM CST
- Where
- Calhoun County
- Coordinates
- 42.280, -94.580
Thunderstorm Wind, Webster
- When
- July 14, 5:45 PM CST
- Where
- Webster County
- Measured
- 70 kt (81 mph)
- Coordinates
- 42.280, -94.180
Thunderstorm Wind, Story
- When
- July 14, 6:13 PM CST
- Where
- Story County
- Coordinates
- 42.000, -93.580
Tornado, Hardin
- When
- July 14, 6:30 PM CST
- Where
- Hardin County
- Rating
- F2
- Path length
- 1.3 mi
- Path width
- 250 yd
- Property damage
- $25,000
- Coordinates
- 42.320, -93.430
Thunderstorm Wind, Linn
- When
- July 14, 8:00 PM CST
- Where
- Linn County
- Measured
- 58 kt (67 mph)
- Coordinates
- 41.880, -91.680
Thunderstorm Wind, Johnson
- When
- July 14, 8:25 PM CST
- Where
- Johnson County
- Measured
- 52 kt (60 mph)
- Coordinates
- 41.700, -91.500
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
- Tornado and Hail in South Dakota, July 14, 1970
- Tornado and Hail in Nebraska, July 14, 1970
- Tornadoes in Wisconsin, July 14, 1970
- Damaging Winds in Michigan, July 14, 1970
- Damaging Winds in Colorado, July 14, 1970
- Damaging Wind in North Dakota, July 14, 1970
- Hail in Kansas, July 14, 1970
- Damaging Wind in Georgia, July 14, 1970
- Damaging Wind in Illinois, July 14, 1970
- Damaging Wind in Missouri, July 14, 1970
More
Every storm in Iowa in 1970Every state in 1970This day in weather historyThe tornado archive for Iowa, 1970
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: 10011289, 10011290, 10011291, 10011292, 10011293, 10011294, 10011295, 10011296, 10011297, 10011298, 10011299, 10011300, 10011301, 10011302, 10011303, 10015575, 10015576, 10015577, 10015578, 10015579, 10015580, 10011310.