Storms of 1970
Every storm the National Weather Service filed in 1970, month by month, kind by kind and state by state. Before 1996 the record holds tornadoes, hail and thunderstorm wind only, without narratives; floods, heat, winter storms and the other kinds begin in 1996.
1970 on the map
The 600 most significant episodes of 1970, colored by kind of event.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The year
- Events
- 3,215
- Deaths
- 73
- Injuries
- 1,355
- Damage
- $625 million
- Episodes
- 1,134
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.
By month
By kind of event
Deaths, injuries and damage are counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Thunderstorm Wind | 1,794 | 0 | 0 | |
| Hail | 721 | 0 | 0 | |
| Tornado | 700 | 73 | 1,355 | $625 million |
The deadliest
- Tornadoes and Hail in Texas, May 11, 1970
- Tornadoes and Hail in Texas, April 18, 1970
- Tornadoes and Hail in Texas, April 17, 1970
- Tornadoes and Hail in Oklahoma, October 5, 1970
- Tornadoes and Damaging Winds in Mississippi, April 19, 1970
- Tornadoes and Hail in Tennessee, April 27, 1970
- Tornadoes and Hail in Oklahoma, June 11, 1970
- Tornadoes and Hail in Alabama, March 19, 1970
- Tornado and Hail in South Dakota, July 14, 1970
- Tornadoes in Arkansas, June 11, 1970
- Tornadoes and Hail in Pennsylvania, June 18, 1970
- Tornadoes and Damaging Winds in Texas, April 25, 1970
- Tornadoes and Hail in Massachusetts, October 3, 1970
- Tornado and Hail in New York, June 18, 1970
- Tornado and Damaging Wind in Texas, June 24, 1970
- Tornado in Louisiana, October 11, 1970
- Tornadoes and Hail in Texas, July 4, 1970
- Tornadoes and Damaging Winds in Georgia, July 22, 1970
The costliest
- Tornadoes and Hail in Texas, May 11, 1970
- Tornadoes and Hail in Texas, April 17, 1970
- Tornadoes and Hail in Oklahoma, October 5, 1970
- Tornadoes and Damaging Wind in Oklahoma, April 30, 1970
- Tornado and Hail in South Dakota, July 14, 1970
- Tornadoes and Hail in Texas, April 18, 1970
- Tornadoes and Damaging Wind in Tennessee, April 24, 1970
- Tornadoes and Hail in Tennessee, April 27, 1970
- Tornadoes and Hail in Texas, October 11, 1970
- Tornadoes and Hail in Kansas, March 2, 1970
- Tornadoes and Damaging Winds in Texas, May 23, 1970
- Tornadoes in Arkansas, June 11, 1970
- Tornadoes and Hail in Kansas, June 14, 1970
- Tornadoes and Hail in Oklahoma, June 11, 1970
- Tornadoes and Hail in Missouri, June 12, 1970
- Tornadoes and Hail in Minnesota, July 18, 1970
- Tornadoes and Hail in Wisconsin, December 1, 1970
- Tornadoes and Hail in Pennsylvania, June 18, 1970
- Tornadoes and Damaging Winds in Texas, April 25, 1970
- Tornadoes and Damaging Winds in Florida, March 5, 1970
- Tornadoes and Damaging Winds in Mississippi, April 19, 1970
- Tornado and Hail in Iowa, April 29, 1970
- Tornado and Hail in Oklahoma, April 29, 1970
- Tornado and Damaging Wind in West Virginia, August 22, 1970
- Tornado in Pennsylvania, September 3, 1970
By state
Events filed in each state in 1970.
- Alabama62
- Arizona18
- Arkansas94
- California7
- Colorado24
- Connecticut5
- Delaware13
- Florida106
- Georgia75
- Idaho30
- Illinois100
- Indiana93
- Iowa154
- Kansas207
- Kentucky106
- Louisiana52
- Maine13
- Maryland40
- Massachusetts22
- Michigan49
- Minnesota78
- Mississippi124
- Missouri216
- Montana44
- Nebraska139
- Nevada6
- New Hampshire12
- New Jersey19
- New Mexico29
- New York55
- North Carolina87
- North Dakota46
- Ohio97
- Oklahoma163
- Oregon7
- Pennsylvania106
- South Carolina42
- South Dakota85
- Tennessee83
- Texas325
- Utah14
- Vermont11
- Virginia41
- Washington4
- West Virginia17
- Wisconsin84
- Wyoming11
Coastal and lake waters
More from this year
Tornadoes in 1970The 1970 hurricane seasonThis day in weather history
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.