Two tornadoes were confirmed in Massachusetts this week, an EF-0 tornado in Dalton on Sunday and an EF-2 tornado in Revere on Monday. According to the National Weather Service office in Taunton, MA, July is the most active month for tornadoes in the state.
With records going back to 1950, Massachusetts has seen 61 tornadoes in July. August is the next active month with 39 tornadoes, followed by June (27), May (14), and September (13).
Tornadoes in Massachusetts are typically of the weaker kind: 122 of the 170 tornadoes recorded since 1950 were classified as an F0/EF-0 or F1/EF-1. On June 9, 1953, an F5 tornado touched down in Worcester County resulting in 94 deaths and more than 1,200 injuries. It is the only F5 tornado on record in the state, with estimated wind speeds above 260 mph.
Springfield's June 1, 2011 tornado was classified as an EF-3 with estimated maximum wind speeds of 160 mph.
The storm in Revere on Monday also produced the first tornado on record in Suffolk County. The tornado in Dalton was Berkshire County's 16th. Worcester has recorded the most with 36.
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