A cold front dropping south through the region produced a line of showers and thunderstorms as it moved into a very unstable airmass over the region. A strong squall line formed during the late morning as it moved into central and southern Maine producing numerous reports of wind damage all the way down to the coast.

Thunderstorm Wind in LINCOLN, MAINE
From 06-SEP-18 11:49:00 to 06-SEP-18 11:54:00 (EST-5)
Location: PEMAQUID PT
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced a measured gust of 56 knots at the Pemaquid Lighthouse.

Thunderstorm Wind in SAGADAHOC, MAINE
From 06-SEP-18 11:19:00 to 06-SEP-18 11:24:00 (EST-5)
Location: DAYS FERRY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and wires at Days Ferry.

Thunderstorm Wind in SAGADAHOC, MAINE
From 06-SEP-18 11:17:00 to 06-SEP-18 11:22:00 (EST-5)
Location: NEW MEADOWS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and wires on Larabees Grove Road in Bath.

Thunderstorm Wind in LINCOLN, MAINE
From 06-SEP-18 11:27:00 to 06-SEP-18 11:32:00 (EST-5)
Location: WESTPORT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm downed trees and wires in Westport.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 10:18:00 to 06-SEP-18 10:23:00 (EST-5)
Location: BRIDGTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed numerous trees and power lines in Bridgton.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 10:30:00 to 06-SEP-18 10:35:00 (EST-5)
Location: NAPLES
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and power lines in Naples.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 10:35:00 to 06-SEP-18 10:40:00 (EST-5)
Location: CASCO
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and power lines in Casco.

Thunderstorm Wind in ANDROSCOGGIN, MAINE
From 06-SEP-18 10:42:00 to 06-SEP-18 10:47:00 (EST-5)
Location: WEST POLAND
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and wires on Megquire Hill Road in Poland.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 11:00:00 to 06-SEP-18 11:05:00 (EST-5)
Location: GRAY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A severe thunderstorm downed trees and wires in Gray.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 11:06:00 to 06-SEP-18 11:11:00 (EST-5)
Location: WINDHAM CENTER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed a large pine on Pope Road in Windham.

Hail in LINCOLN, MAINE
From 06-SEP-18 11:40:00 to 06-SEP-18 11:45:00 (EST-5)
Location: BOOTHBAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A severe thunderstorm produced 1 inch hail in Boothbay.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 10:55:00 to 06-SEP-18 11:00:00 (EST-5)
Location: GRAY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A severe thunderstorm downed trees and wires on Granite Hill Road and Mayberry Road in Gray.

Thunderstorm Wind in ANDROSCOGGIN, MAINE
From 06-SEP-18 11:02:00 to 06-SEP-18 11:07:00 (EST-5)
Location: DURHAM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and wires in Durham.

Thunderstorm Wind in ANDROSCOGGIN, MAINE
From 06-SEP-18 11:00:00 to 06-SEP-18 11:05:00 (EST-5)
Location: LISBON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and wires in Lisbon.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 11:15:00 to 06-SEP-18 11:20:00 (EST-5)
Location: BRUNSWICK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed numerous trees and wires in Brunswick.

Thunderstorm Wind in SAGADAHOC, MAINE
From 06-SEP-18 11:15:00 to 06-SEP-18 11:20:00 (EST-5)
Location: TOPSHAM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and wires in Topsham.

Thunderstorm Wind in SAGADAHOC, MAINE
From 06-SEP-18 11:22:00 to 06-SEP-18 11:27:00 (EST-5)
Location: BATH
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Broadcast Media

A severe thunderstorm downed trees on a car at the courthouse in Bath.

Thunderstorm Wind in SAGADAHOC, MAINE
From 06-SEP-18 11:25:00 to 06-SEP-18 11:30:00 (EST-5)
Location: PHIPPSBURG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed numerous trees and power lines in Phippsburg.

Thunderstorm Wind in CUMBERLAND, MAINE
From 06-SEP-18 11:17:00 to 06-SEP-18 11:22:00 (EST-5)
Location: (NHZ)NAS BRUNSWICK
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A severe thunderstorm produced a 50 knot wind gust in Brunswick.

Thunderstorm Wind in LINCOLN, MAINE
From 06-SEP-18 11:35:00 to 06-SEP-18 11:40:00 (EST-5)
Location: BOOTHBAY
Magnitude: 78.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Straight-line winds from a severe thunderstorm downed numerous trees in the Boothbay area.  While scattered snapped or uprooted trees were seen throughout the Town, the most damage was observed between the Back River...and  Back River and Knickerbocker Roads.  Winds throughout much of the Boothbay area were estimated to be between 50 and 70 mph.  The greatest amount of damage was observed
in an area between Jacobs Landing and Tidewater Road where numerous
large trees were snapped or uprooted by the storm.  In this area,
winds were estimated to have gusted between 70 and 90 mph.  Six to eight power poles were snapped by trees falling on power lines along Back Road..