Hail, Taylor
- When
- May 30, 9:30 AM CST
- Where
- Taylor County
- Measured
- 1 in hail
- Coordinates
- 40.670, -94.720
Tornado and Hail in Iowa, May 30, 1974
15 thunderstorm wind, 7 hail, 1 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
- $250
- Crop damage
- None recorded
- Events
- 23
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
15 thunderstorm wind, 7 hail, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Wapello
- When
- May 30, 12:46 PM CST
- Where
- Wapello County
- Measured
- 50 kt (58 mph)
- Coordinates
- 41.100, -92.450
Thunderstorm Wind, Jefferson
- When
- May 30, 1:00 PM CST
- Where
- Jefferson County
- Coordinates
- 41.000, -91.980
Thunderstorm Wind, Keokuk
- When
- May 30, 1:00 PM CST
- Where
- Keokuk County
- Coordinates
- 41.330, -92.200
Thunderstorm Wind, Henry
- When
- May 30, 1:20 PM CST
- Where
- Henry County
- Coordinates
- 40.970, -91.550
Thunderstorm Wind, Washington
- When
- May 30, 1:20 PM CST
- Where
- Washington County
- Coordinates
- 41.300, -91.700
Thunderstorm Wind, Iowa
- When
- May 30, 1:30 PM CST
- Where
- Iowa County
- Coordinates
- 41.670, -92.000
Thunderstorm Wind, Lee
- When
- May 30, 1:30 PM CST
- Where
- Lee County
- Coordinates
- 40.650, -91.550
Thunderstorm Wind, Lee
- When
- May 30, 1:30 PM CST
- Where
- Lee County
- Coordinates
- 40.400, -91.380
Thunderstorm Wind, Johnson
- When
- May 30, 1:40 PM CST
- Where
- Johnson County
- Coordinates
- 41.670, -91.550
Thunderstorm Wind, Cedar
- When
- May 30, 1:45 PM CST
- Where
- Cedar County
- Coordinates
- 41.580, -91.270
Thunderstorm Wind, Muscatine
- When
- May 30, 2:00 PM CST
- Where
- Muscatine County
- Coordinates
- 41.420, -91.050
Thunderstorm Wind, Scott
- When
- May 30, 2:30 PM CST
- Where
- Scott County
- Coordinates
- 41.530, -90.580
Hail, Monona
- When
- May 30, 3:15 PM CST
- Where
- Monona County
- Measured
- 1.75 in hail
- Coordinates
- 42.030, -96.100
Thunderstorm Wind, Monona
- When
- May 30, 3:15 PM CST
- Where
- Monona County
- Coordinates
- 42.030, -96.100
Hail, Monona
- When
- May 30, 3:45 PM CST
- Where
- Monona County
- Measured
- 1.75 in hail
- Coordinates
- 41.980, -95.780
Hail, Harrison
- When
- May 30, 4:10 PM CST
- Where
- Harrison County
- Measured
- 2 in hail
- Coordinates
- 41.850, -95.600
Hail, Shelby
- When
- May 30, 4:45 PM CST
- Where
- Shelby County
- Measured
- 1.75 in hail
- Coordinates
- 41.700, -95.200
Hail, Cass
- When
- May 30, 5:15 PM CST
- Where
- Cass County
- Measured
- 0.75 in hail
- Coordinates
- 41.400, -94.900
Thunderstorm Wind, Cass
- When
- May 30, 5:15 PM CST
- Where
- Cass County
- Coordinates
- 41.400, -94.900
Tornado, Wright
- When
- May 30, 5:30 PM CST
- Where
- Wright County
- Rating
- F0
- Path width
- 33 yd
- Property damage
- $250
- Coordinates
- 42.730, -94.000
Hail, Ringgold
- When
- May 30, 6:15 PM CST
- Where
- Ringgold County
- Measured
- 2 in hail
- Coordinates
- 40.720, -94.230
Thunderstorm Wind, Ringgold
- When
- May 30, 6:15 PM CST
- Where
- Ringgold County
- Coordinates
- 40.720, -94.230
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
- Tornadoes and Hail in Illinois, May 30, 1974
- Tornadoes and Hail in Kansas, May 30, 1974
- Tornado and Damaging Winds in Indiana, May 30, 1974
- Tornado in Minnesota, May 30, 1974
- Hail and Damaging Winds in Missouri, May 30, 1974
- Hail and Damaging Wind in Nebraska, May 30, 1974
- Hail and Damaging Wind in Tennessee, May 30, 1974
- Hail in Florida, May 30, 1974
- Damaging Wind in Georgia, May 30, 1974
- Hail in Oklahoma, May 30, 1974
More
Every storm in Iowa in 1974Every state in 1974This day in weather historyThe tornado archive for Iowa, 1974
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: 10015624, 10015625, 10015626, 10015627, 10015628, 10015629, 10015630, 10015631, 10015632, 10015633, 10015634, 10015635, 10015636, 10015637, 10015638, 10015639, 10015640, 10015641, 10015642, 10015643, 10015644, 10015645, 10015646.