Figure 1 depicts the surface observations at 2:00 am EDT, which shows a cold front moving across Ontario. This front likely moved east throughout the day and triggered thunderstorms in the afternoon hours of September 7th, which ultimately led to this tornado.

The Taunton, MA F0 tornado of September 7, 1958 impacted Berkshire County in Massachusetts. According to NOAA (2019), the F0 tornado caused no fatalities or injuries, but caused $2.5 thousand dollars in property damage. The tornado touched down in Berkshire County near Cottage Street at 5:15 pm EDT. The tornado travelled for 2.3 miles and had a maximum width of 67 yards.
Sources
NOAA Central Library. (2019). U.S. Daily Weather Maps. Sunday September 7, 1958 [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/