Tornado, Franklin
- When
- August 17, 5:45 AM CST
- Where
- Franklin County
- Rating
- F1
- Path length
- 16.7 mi
- Path width
- 33 yd
- Property damage
- $250,000
- Coordinates
- 42.730, -72.670
Tornado and Damaging Winds in Massachusetts, August 17, 1970
4 thunderstorm wind, 1 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
- 0
- Property damage
- $250,000
- Crop damage
- None recorded
- Events
- 5
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 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Franklin
- When
- August 17, 5:45 AM CST
- Where
- Franklin County
- Coordinates
- 42.700, -72.500
Thunderstorm Wind, Worcester
- When
- August 17, 6:10 AM CST
- Where
- Worcester County
- Coordinates
- 42.700, -72.180
Thunderstorm Wind, Worcester
- When
- August 17, 6:15 AM CST
- Where
- Worcester County
- Coordinates
- 42.700, -72.080
Thunderstorm Wind,
- When
- August 17, 7:45 PM CST
- Where
- County
- Measured
- 52 kt (60 mph)
- Coordinates
- 42.000, -70.000
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
- Tornado and Damaging Wind in Oklahoma, August 17, 1970
- Tornado and Hail in New Hampshire, August 17, 1970
- Damaging Wind in North Carolina, August 17, 1970
- Damaging Wind in New Jersey, August 17, 1970
- Damaging Wind in Georgia, August 17, 1970
- Hail in Louisiana, August 17, 1970
- Hail in North Dakota, August 17, 1970
- Hail in Missouri, August 17, 1970
More
Every storm in Massachusetts in 1970Every state in 1970This day in weather historyThe tornado archive for Massachusetts, 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: 10040155, 10040156, 10040157, 10040158, 10040159.