A very strong shortwave and associated cold front were approaching from the west on the morning of July 1st. Ahead of the front, a very warm and moist air mass was in place over New England with values of precipitable water around 2 inches. Strong directional and speed shear contributed to numerous super cells that produced damaging winds.  In addition, very heavy rain associated with these cells produced extensive flash flooding to many area roads with damage totaling in the millions.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: BATH
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Bath washing out a bridge.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: LANDAFF
Flood cause: Heavy Rain
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Landaff washing out several area roads.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: ORFORD
Flood cause: Heavy Rain
Property damage: 4.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Orford washing out portions of Route 25A and numerous roads along the Connecticut River.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: SUGAR HILL
Flood cause: Heavy Rain
Property damage: 335.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Sugar Hill resulting in several road washouts.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: PIERMONT
Flood cause: Heavy Rain
Property damage: 185.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Piermont resulting in numerous washouts on Route 25C in Piermont.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: WARREN
Flood cause: Heavy Rain
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Warren resulting in numerous washouts on Route 25C.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: HAVERHILL
Flood cause: Heavy Rain
Property damage: 45.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in the Haverhill area washing out portions of Route 25.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: FRANCONIA
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Franconia washing out several area roads.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: WEST THORNTON
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Thornton washing out several area roads.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: ELLSWORTH
Flood cause: Heavy Rain
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of  rain in Ellsworth washing out several area roads.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 16:15:00 to 01-JUL-17 21:00:00 (EST-5)
Location: WATERVILLE VLY
Flood cause: Heavy Rain
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches in Waterville Valley resulting in numerous road washouts.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 16:50:00 to 01-JUL-17 21:00:00 (EST-5)
Location: LEBANON
Flood cause: Heavy Rain
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Two to three inches of rain fell in a short period of time in Lebanon producing stream flooding and road washouts.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 16:50:00 to 01-JUL-17 21:00:00 (EST-5)
Location: HANOVER CENTER
Flood cause: Heavy Rain
Property damage: 6.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Two to three inches of rain fell in a short period of time in Lyme causing stream flooding and road washouts.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 19:30:00 to 01-JUL-17 21:00:00 (EST-5)
Location: RUMNEY
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Rumney resulting in roads washouts.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: WING ROAD
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A line of thunderstorms produced 2 to 5 inches of rain across Bethlehem resulting in flash flooding and road washouts.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: BENTON
Flood cause: Heavy Rain
Property damage: 41.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm produced 2 to 5 inches of rain in Benton washing out portions of Route 116.

Flash Flood in COOS, NEW HAMPSHIRE
From 01-JUL-17 15:45:00 to 01-JUL-17 19:00:00 (EST-5)
Location: DALTON
Flood cause: Heavy Rain
Property damage: 17.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in in Dalton resulting in washouts on several area roads.

Flash Flood in COOS, NEW HAMPSHIRE
From 01-JUL-17 15:45:00 to 01-JUL-17 19:00:00 (EST-5)
Location: WHITEFIELD
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Whitefield resulting in washouts on several area roads.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 19:30:00 to 01-JUL-17 21:00:00 (EST-5)
Location: WENTWORTH
Flood cause: Heavy Rain
Property damage: 163.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Wentworth resulting in several washouts on Route 25A.

Flash Flood in GRAFTON, NEW HAMPSHIRE
From 01-JUL-17 15:29:00 to 01-JUL-17 21:00:00 (EST-5)
Location: EASTON
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced 2 to 5 inches of rain in Easton washing out portions of Route 116.