Bermuda High Pressure offshore delivered heat and humidity to Massachusetts.  Heat indices in Eastern Massachusetts climbed into the lower 100s on the 2nd, but not high enough for an Excessive Heat Warning. Heat Index values climbed into the 90s on the 3rd. This tropical weather allowed a few strong thunderstorms over Western Massachusetts both days, with reports of flooding from downpours on the 3rd.

Thunderstorm Wind in HAMPSHIRE, MASSACHUSETTS
From 02-AUG-18 16:05:00 to 02-AUG-18 16:05:00 (EST-5)
Location: BONDSVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 4:05 PM EDT, thunderstorm winds brought power lines down on North Liberty Street in Belchertown.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 02-AUG-18 16:15:00 to 02-AUG-18 16:15:00 (EST-5)
Location: MONSON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 4:15 PM EDT, a tree was brought down on power lines on Ely Road in Monson.

Flood in FRANKLIN, MASSACHUSETTS
From 03-AUG-18 16:12:00 to 03-AUG-18 18:15:00 (EST-5)
Location: GREENFIELD
Flood cause: Heavy Rain
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 4:12 PM EST heavy rain in Greenfield caused flooding of several basements on Franklin Street. At 4:33 PM EST Scout Road was flooded and impassable with some basement flooding.  At 4:36 EST PM Sanderson Road near Kennemetal and the Medical Center was completely flooded. At 4:46 PM EST Adams Road was flooded and impassable. At 5:06 PM EST Green Street in Greenfield had significant basement flooding.

Flood in FRANKLIN, MASSACHUSETTS
From 03-AUG-18 17:25:00 to 03-AUG-18 20:00:00 (EST-5)
Location: WENDELL DEPOT
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 5:25 PM EST, downpours near Orange caused significant street flooding, with Rocks washed onto state routes 2 and 2A west of Lyman Contractors.

Flood in FRANKLIN, MASSACHUSETTS
From 03-AUG-18 17:25:00 to 03-AUG-18 20:00:00 (EST-5)
Location: TURNERS FALLS
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 4:12 PM EST flooding from heavy rain forced manhole covers off their settings on Avenue A near Food City Plaza in Turners Falls, and made the road impassable.  At 5:25 PM EST Griswold Street and Avenue C in Turners Falls were flooded and impassable.

Lightning in FRANKLIN, MASSACHUSETTS
From 03-AUG-18 17:23:00 to 03-AUG-18 17:23:00 (EST-5)
Location: BACONVILLE
Property damage: 7.50K
Crop damage: 0.00K
Reported by: Amateur Radio

At 5:23 PM EST lightning struck a telephone pole on Baker Road in Shutesbury and set it on fire.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 03-AUG-18 16:27:00 to 03-AUG-18 16:27:00 (EST-5)
Location: BLANDFORD
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 4:27 PM EST, thunderstorm winds brought a tree down in Blandford on state route 23 west of South Road.

Thunderstorm Wind in HAMPSHIRE, MASSACHUSETTS
From 03-AUG-18 16:27:00 to 03-AUG-18 16:27:00 (EST-5)
Location: GOSHEN
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 4:27 PM EST wind from a thunderstorm brought a tree down on a house on Pine Road in Goshen.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 03-AUG-18 16:41:00 to 03-AUG-18 16:41:00 (EST-5)
Location: HOLYOKE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 4:41 PM EST thunderstorm winds brought a tree down on a car and a house on Sergeant Street in Holyoke.

Thunderstorm Wind in HAMPSHIRE, MASSACHUSETTS
From 03-AUG-18 17:03:00 to 03-AUG-18 17:03:00 (EST-5)
Location: COOKS CORNER
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 5:03 PM EST winds from a thunderstorm brought a large tree down across Batchelor Street in Granby, blocking the street.