May 18, 2018:
A storm formed in Plymouth County, Massachusetts, spawning an EF 2 tornado. 10 people were killed in the City of Plymouth when the tornado swept them in. Minor Damage Reported.
May 19, 2018:
Seven tornadoes touched down in Essex County, Massachusetts. The outbreak on that day was the worst outbreak New England has seen since 1899. Five EF 1 tornadoes were reported, with an EF 3 following. The final tornado was an EF 4 that killed 170 people in the City of Haverhill, Massachusetts. Major Dmage Reported, Towns of Salisbury and Newburyport, Massachusetts were almost completely destroyed.