Jul 18, 2012
A cold front moved across southern New England into a warm moist airmass with plenty of instability. This resulted in severe thunderstorms and in some cases training of storms that resulted in flash flooding across some of the more urban areas. A microburst occurred in Arlington, knocking down numerous trees and damaging a roof. Also, several railroad crossings along the Greenbush and Old Colony commuter rail lines in Massachusetts lost power due to lightning. This delayed both lines by 20 t
Source: NOAA National Weather Service Storm Events Database (event 404166). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Middlesex County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.