West Sterling, MA F3 Tornado of October 3, 1970

Figure 1 depicts the surface observations at 8:00 am EDT, which shows a cold front moving across the northeastern United States. This front became the focus for thunderstorms, which ultimately led to this tornado.

Figure 1. Surface weather map for October 3, 1970 at 8:00 am EDT (NOAA, 2019).

The West Sterling, MA F3 tornado of October 3 , 1970 impacted Worcester and Middlesex counties in Massachusetts. According to NOAA (2019), the F3 tornado caused no injuries, but caused one fatality and caused $500 thousand dollars in property damage. The tornado touched down near Furnace, MA at 6:15 pm EDT. The tornado travelled for 35.4 miles and had a maximum width of 60 yards.


NOAA Central Library. (2019). U.S. Daily Weather Maps. Saturday October 3, 1970 [PDF]. Retrieved from https://library.noaa.gov/Collections/Digital-Collections/US-Daily-Weather-Maps

NOAA National Centers for Environmental Information (2019). Storm Events Database. Retrieved from: https://www.ncdc.noaa.gov/stormevents/