Oklahoma, 1971Tornadoes and Hail in Oklahoma, March 12, 1971
March 12, 1971 · 6 events in 3 counties and zones
4 tornado, 1 hail, 1 thunderstorm wind, as filed by the National Weather Service.
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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 4
- Property damage
- $775,000
- Crop damage
- None recorded
- Events
- 6
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, 1 hail, 1 thunderstorm wind. Local standard time, as filed.
Tornado, Marshall
- When
- March 12, 4:45 PM CST
- Where
- Marshall County
- Rating
- F3
- Path length
- 17.8 mi
- Path width
- 250 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 33.970, -96.880
Tornado, Bryan
- When
- March 12, 5:00 PM CST
- Where
- Bryan County
- Rating
- F3
- Path length
- 6.2 mi
- Path width
- 250 yd
- Injuries
- 3 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 33.900, -96.580
Hail, Marshall
- When
- March 12, 5:05 PM CST
- Where
- Marshall County
- Measured
- 1 in hail
- Coordinates
- 34.000, -96.680
Tornado, Bryan
- When
- March 12, 5:10 PM CST
- Where
- Bryan County
- Rating
- F3
- Path length
- 17.6 mi
- Path width
- 250 yd
- Property damage
- $250,000
- Coordinates
- 33.850, -96.500
Thunderstorm Wind, Bryan
- When
- March 12, 5:30 PM CST
- Where
- Bryan County
- Coordinates
- 34.000, -96.400
Tornado, Atoka
- When
- March 12, 7:10 PM CST
- Where
- Atoka County
- Rating
- F1
- Path width
- 33 yd
- Property damage
- $25,000
- Coordinates
- 34.380, -96.050
- 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.
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: 10093390, 10093391, 10093392, 10093393, 10093394, 10093395.