Thunderstorm Wind, Harrison
- When
- April 12, 1:30 PM CST
- Where
- Harrison County
- Coordinates
- 40.280, -93.900
Tornadoes and Hail in Missouri, April 12, 1970
8 hail, 3 thunderstorm wind, 2 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
- 1
- Property damage
- $500,000
- Crop damage
- None recorded
- Events
- 13
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
8 hail, 3 thunderstorm wind, 2 tornado. Local standard time, as filed.
Hail, Chariton
- When
- April 12, 2:20 PM CST
- Where
- Chariton County
- Measured
- 1 in hail
- Coordinates
- 39.580, -92.780
Hail, Callaway
- When
- April 12, 4:00 PM CST
- Where
- Callaway County
- Measured
- 1.75 in hail
- Coordinates
- 39.000, -91.900
Hail, Osage
- When
- April 12, 4:00 PM CST
- Where
- Osage County
- Measured
- 1.75 in hail
- Coordinates
- 38.380, -92.000
Hail, Maries
- When
- April 12, 4:00 PM CST
- Where
- Maries County
- Measured
- 1.25 in hail
- Coordinates
- 38.200, -91.680
Hail, Franklin
- When
- April 12, 6:00 PM CST
- Where
- Franklin County
- Measured
- 1.75 in hail
- Coordinates
- 38.580, -91.080
Hail, St. Charles
- When
- April 12, 6:38 PM CST
- Where
- St. Charles County
- Measured
- 0.75 in hail
- Coordinates
- 38.780, -90.680
Hail, St. Louis
- When
- April 12, 6:45 PM CST
- Where
- St. Louis County
- Measured
- 1.75 in hail
- Coordinates
- 38.780, -90.500
Thunderstorm Wind, St. Louis
- When
- April 12, 6:45 PM CST
- Where
- St. Louis County
- Coordinates
- 38.780, -90.500
Tornado, Reynolds
- When
- April 12, 7:00 PM CST
- Where
- Reynolds County
- Rating
- F2
- Path length
- 5.1 mi
- Path width
- 100 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 37.250, -90.950
Tornado, Madison
- When
- April 12, 8:00 PM CST
- Where
- Madison County
- Rating
- F1
- Path length
- 9.2 mi
- Path width
- 50 yd
- Property damage
- $250,000
- Coordinates
- 37.400, -90.500
Hail, St. Louis
- When
- April 12, 8:40 PM CST
- Where
- St. Louis County
- Measured
- 1.75 in hail
- Coordinates
- 38.700, -90.180
Thunderstorm Wind, Scott
- When
- April 12, 9:55 PM CST
- Where
- Scott County
- Measured
- 54 kt (62 mph)
- Coordinates
- 37.200, -89.580
What these are
- 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.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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
More
Every storm in Missouri in 1970Every state in 1970This day in weather historyThe tornado archive for Missouri, 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: 10060002, 10060003, 10060004, 10060005, 10060006, 10060007, 10060008, 10060009, 10060010, 10060011, 10060012, 10060013, 10060014.