Tornado, Cowley
- When
- May 11, 4:30 PM CST
- Where
- Cowley County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 7 yd
- Property damage
- $250
- Coordinates
- 37.000, -97.130
Tornadoes and Hail in Kansas, May 11, 1978
4 tornado, 2 hail, 2 thunderstorm wind, 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
- 1
- Property damage
- $2.5 million
- Crop damage
- None recorded
- Events
- 8
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
4 tornado, 2 hail, 2 thunderstorm wind. Local standard time, as filed.
Hail, Franklin
- When
- May 11, 4:50 PM CST
- Where
- Franklin County
- Measured
- 2.5 in hail
- Coordinates
- 38.620, -95.270
Thunderstorm Wind, Wyandotte
- When
- May 11, 4:55 PM CST
- Where
- Wyandotte County
- Measured
- 75 kt (86 mph)
- Coordinates
- 39.050, -94.880
Tornado, Miami
- When
- May 11, 5:00 PM CST
- Where
- Miami County
- Rating
- F2
- Path length
- 11.5 mi
- Path width
- 100 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 38.620, -94.980
Tornado, Greenwood
- When
- May 11, 5:03 PM CST
- Where
- Greenwood County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 3 yd
- Property damage
- $250
- Coordinates
- 37.820, -96.380
Tornado, Greenwood
- When
- May 11, 5:37 PM CST
- Where
- Greenwood County
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 3 yd
- Property damage
- $25,000
- Coordinates
- 37.850, -96.470
Thunderstorm Wind, Miami
- When
- May 11, 5:55 PM CST
- Where
- Miami County
- Coordinates
- 38.670, -94.980
Hail, Miami
- When
- May 11, 6:50 PM CST
- Where
- Miami County
- Measured
- 1.75 in hail
- Coordinates
- 38.620, -94.680
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 Hail in Texas, May 11, 1978
- Tornadoes and Hail in Oklahoma, May 11, 1978
- Hail and Damaging Winds in Missouri, May 11, 1978
- Damaging Winds in Louisiana, May 11, 1978
- Hail and Damaging Wind in Arkansas, May 11, 1978
- Damaging Winds in Indiana, May 11, 1978
- Damaging Wind in Nebraska, May 11, 1978
More
Every storm in Kansas in 1978Every state in 1978This day in weather historyThe tornado archive for Kansas, 1978
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: 10023898, 10023899, 10023900, 10023901, 10023902, 10023903, 10020246, 10020247.