Tornado, Grady
- When
- April 30, 12:15 AM CST
- Where
- Grady County
- Rating
- F2
- Path length
- 55 mi
- Path width
- 250 yd
- Property damage
- $2.5 million
- Coordinates
- 35.130, -98.080
Tornadoes and Damaging Wind in Oklahoma, April 30, 1970
6 tornado, 1 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
- 10
- Property damage
- $58 million
- Crop damage
- None recorded
- Events
- 7
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
6 tornado, 1 thunderstorm wind. Local standard time, as filed.
Tornado, Grady
- When
- April 30, 1:00 AM CST
- Where
- Grady County
- Rating
- F2
- Path length
- 21.9 mi
- Path width
- 500 yd
- Property damage
- $25 million
- Coordinates
- 35.230, -98.000
Tornado, Logan
- When
- April 30, 1:30 AM CST
- Where
- Logan County
- Rating
- F2
- Path length
- 20 mi
- Path width
- 250 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $2.5 million
- Coordinates
- 35.720, -97.420
Tornado, Oklahoma
- When
- April 30, 1:45 AM CST
- Where
- Oklahoma County
- Rating
- F2
- Path length
- 24.8 mi
- Path width
- 500 yd
- Injuries
- 6 direct, 0 indirect
- Property damage
- $25 million
- Coordinates
- 35.420, -97.680
Tornado, Payne
- When
- April 30, 2:00 AM CST
- Where
- Payne County
- Rating
- F2
- Path length
- 10.4 mi
- Path width
- 250 yd
- Property damage
- $2.5 million
- Coordinates
- 35.970, -97.230
Tornado, Payne
- When
- April 30, 2:45 AM CST
- Where
- Payne County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 50 yd
- Injuries
- 2 direct, 0 indirect
- Property damage
- $25,000
- Coordinates
- 36.000, -96.600
Thunderstorm Wind, Hughes
- When
- April 30, 6:30 AM CST
- Where
- Hughes County
- Coordinates
- 35.200, -96.180
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.
- 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 Missouri, April 30, 1970
- Tornadoes and Damaging Wind in Illinois, April 30, 1970
- Tornadoes and Damaging Winds in Arkansas, April 30, 1970
- Tornado and Damaging Wind in Michigan, April 30, 1970
- Damaging Winds in Kansas, April 30, 1970
- Damaging Wind in Texas, April 30, 1970
- Hail in Pennsylvania, April 30, 1970
More
Every storm in Oklahoma in 1970Every state in 1970This day in weather historyThe tornado archive for Oklahoma, 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: 10095344, 10095345, 10095346, 10095347, 10095348, 10095349, 10095350.