The following events were reported: Flood, Hail, Lightning, Thunderstorm Wind. These occurred near station USW00014739, approximately 22.7769 km away, between 2017-07-12 10:30:00 and 2017-07-12 22:15:00. The events included records with hailstones measuring 43.035714285714285 inches. The flood was caused by Heavy Rain. Thankfully, no injuries or fatalities were reported. The events caused property damage valued at 1024500.0 and crop damage of 0.0. Episode Narrative: A cold front slid across Southern New England, led by a shortwave trough. High moisture content to the airmass allowed for heavy downpours, while breaks of sunshine generated sufficient instability for damaging thunderstorms. A cold front slid across Southern New England, led by a shortwave trough. Event Narrative: At 333 PM EST, multiple cars were trapped in flood waters on Water Street in Quincy. At 553 PM EST, flooding was reported on Acton Street in the Bemis section of Watertown with manhole covers being lifted. At 604 PM EST, Second Avenue in Waltham was impassable due to flooding. Flooding was also reported on Sutton Avenue. At 1130 AM EST, a lightning strike caused a shed fire on Free Street in Hingham. At 107 PM EST, a tree was brought down on wires on West Street in Mansfield. At 647 PM EST, trees were reported down on Lake Avenue in Newton. A tree was also reported down on wires on Lowell Avenue, and a tree was down on a car at Anthony Circle. Trees and wires were down on Fordham Road. A tree was blocking the road near 73 Blake Street. At 605 PM EST, a tree was reported down on Beacon Street in Boston. At 606 PM EST, the intersection of Lexington Street and Warren Street was blocked by downed trees. At 1255 PM EST, Thurston Street in Wrentham was closed due to street flooding. At 119 PM EST, one lane of East Street was closed due to street flooding. At 604 PM EST, cars were disabled due to flooding in Lexington on Waltham Street at Route 2. At 645 PM EST, Lowell Street in Lexington was flooded and impassable between Bryant Road and Fairlawn Lane. At 647 PM EST, Goreham Street in West Somerville was flooded and impassable. Simpson Avenue was also flooded and impassable. At 715 PM EST, a car was reported stuck in flood waters at Holland and Wallace Streets. At 647 PM EST, Medford Street in East Somerville was flooded and impassable at the underpass beneath the railroad tracks. At 709 PM EST, Washington Street was flooded and impassable beneath the Route 28 overpass. At 717 PM EST, Carter Street in Chelsea was under a foot and a half of water between Addison Street and Beech Street. At 724 PM, the Revere Beach Parkway eastbound near Webster Avenue was closed due to flooding. At Noon EST, one and one-quarter inch diameter hail fell at Milford. One-inch diameter hail fell at Milford at 1157 AM. At 1150 AM EST, a tree was down on a car on route 140 in Mendon near Gasco Fuel. At 544 PM EST, a tree was downed in Watertown on Charles River Road at Irving Street. Multiple trees and wires were also downed on Pleasant Street. At 503 PM EST, in Chelmsford, Billerica Road near Turnpike Road was impassable due to flooding. At 505 PM EST, heavy rain from a thunderstorm flooded the terminal building at Hanscom Field in Bedford. Flood waters reached a depth of nearly two feet.