Tornado, Canadian
- When
- April 30, 5:40 PM CST
- Where
- Canadian County
- Rating
- F1
- Path length
- 5.7 mi
- Path width
- 50 yd
- Property damage
- $25,000
- Coordinates
- 35.530, -97.900
Tornadoes and Hail in Oklahoma, April 30, 1978
7 tornado, 5 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
- 0
- Property damage
- $5.3 million
- Crop damage
- None recorded
- Events
- 14
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
7 tornado, 5 hail, 2 thunderstorm wind. Local standard time, as filed.
Tornado, Canadian
- When
- April 30, 5:40 PM CST
- Where
- Canadian County
- Rating
- F1
- Path length
- 2 mi
- Path width
- 50 yd
- Property damage
- $250,000
- Coordinates
- 35.500, -97.950
Tornado, Canadian
- When
- April 30, 5:55 PM CST
- Where
- Canadian County
- Rating
- F0
- Path length
- 6.6 mi
- Path width
- 70 yd
- Property damage
- $3,000
- Coordinates
- 35.450, -97.950
Tornado, Canadian
- When
- April 30, 5:57 PM CST
- Where
- Canadian County
- Rating
- F0
- Path length
- 6.1 mi
- Path width
- 77 yd
- Property damage
- $3,000
- Coordinates
- 35.500, -97.920
Hail, Ellis
- When
- April 30, 6:00 PM CST
- Where
- Ellis County
- Measured
- 2 in hail
- Coordinates
- 36.300, -99.780
Hail, Oklahoma
- When
- April 30, 6:15 PM CST
- Where
- Oklahoma County
- Measured
- 1.75 in hail
- Coordinates
- 35.650, -97.480
Tornado, Canadian
- When
- April 30, 6:20 PM CST
- Where
- Canadian County
- Rating
- F4
- Path length
- 5.7 mi
- Path width
- 1,760 yd
- Property damage
- $2.5 million
- Coordinates
- 35.580, -97.750
Tornado, Oklahoma
- When
- April 30, 6:30 PM CST
- Where
- Oklahoma County
- Rating
- F4
- Path length
- 3.6 mi
- Path width
- 33 yd
- Property damage
- $2.5 million
- Coordinates
- 35.650, -97.680
Hail, Canadian
- When
- April 30, 6:30 PM CST
- Where
- Canadian County
- Measured
- 2.75 in hail
- Coordinates
- 35.600, -97.720
Tornado, Ellis
- When
- April 30, 7:33 PM CST
- Where
- Ellis County
- Rating
- F2
- Path length
- 3 mi
- Path width
- 60 yd
- Property damage
- $25,000
- Coordinates
- 36.250, -99.880
Hail, Lincoln
- When
- April 30, 8:00 PM CST
- Where
- Lincoln County
- Measured
- 1.75 in hail
- Coordinates
- 35.820, -97.020
Hail, Seminole
- When
- April 30, 8:20 PM CST
- Where
- Seminole County
- Measured
- 1.75 in hail
- Coordinates
- 36.180, -95.750
Thunderstorm Wind, McIntosh
- When
- April 30, 11:45 PM CST
- Where
- McIntosh County
- Coordinates
- 35.430, -95.520
Thunderstorm Wind, McIntosh
- When
- April 30, 11:45 PM CST
- Where
- McIntosh County
- Coordinates
- 35.280, -95.580
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, April 30, 1978
- Hail and Damaging Winds in Mississippi, April 30, 1978
- Hail in Arkansas, April 30, 1978
- Hail in Missouri, April 30, 1978
- Hail and Damaging Wind in Kansas, April 30, 1978
- Hail and Damaging Wind in Alabama, April 30, 1978
- Hail and Damaging Wind in Tennessee, April 30, 1978
More
Every storm in Oklahoma in 1978Every state in 1978This day in weather historyThe tornado archive for Oklahoma, 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: 10092276, 10094863, 10092277, 10092278, 10092279, 10092280, 10092281, 10092282, 10092498, 10092499, 10092500, 10092501, 10092502, 10092503.