A weak warm front pushed north of the region allowing a hot and unstable airmass to move into southeast Maine.  A weak mid-level shortwave moved across the state during the day which increased the shear and mid-level lapse rates.  Storms developed by noon across the foothills of Maine and progressed eastward through the afternoon with multiple storms becoming severe.  Large hail and damaging wind gusts were reported.

Hail in KENNEBEC, MAINE
From 24-AUG-20 13:20:00 to 24-AUG-20 13:20:00 (EST-5)
Location: NORTH FAYETTE
Magnitude: 1.00 
Reported by: Broadcast Media

Quarter size hail reported near Fayette.

Hail in ANDROSCOGGIN, MAINE
From 24-AUG-20 15:45:00 to 24-AUG-20 15:45:00 (EST-5)
Location: POLAND SPG
Magnitude: 1.00 
Reported by: Public

Quarte size hail reported two miles south of Poland.

Hail in CUMBERLAND, MAINE
From 24-AUG-20 16:17:00 to 24-AUG-20 16:17:00 (EST-5)
Location: HIGHLAND LAKE
Magnitude: 1.00 
Property damage: 0.00K
Reported by: NWS Employee

Quarter size hail reported near South Windham.

Hail in CUMBERLAND, MAINE
From 24-AUG-20 16:23:00 to 24-AUG-20 16:23:00 (EST-5)
Location: WEST FALMOUTH CORNER
Magnitude: 1.00 
Reported by: Public

A few quarter sized hailstones fell amidst a lot of penny size hail on the west side of Falmouth.

Thunderstorm Wind in KENNEBEC, MAINE
From 24-AUG-20 13:08:00 to 24-AUG-20 13:08:00 (EST-5)
Location: TWELVE CORNERS
Magnitude: 50.00 EG
Reported by: Broadcast Media

Trees down on wires with some arching on Route 17 just east of Livermore Falls.

Hail in FRANKLIN, MAINE
From 24-AUG-20 13:00:00 to 24-AUG-20 13:00:00 (EST-5)
Location: JAY
Magnitude: 1.00 
Reported by: Public

Quarter size hail near Jay.

Hail in SOMERSET, MAINE
From 24-AUG-20 13:30:00 to 24-AUG-20 13:30:00 (EST-5)
Location: NORRIDGEWOCK
Magnitude: 1.00 
Reported by: Public

Quarter size hail reported near Bigelow Hill Road.

Thunderstorm Wind in SOMERSET, MAINE
From 24-AUG-20 12:28:00 to 24-AUG-20 12:28:00 (EST-5)
Location: EMBDEN
Magnitude: 50.00 EG
Reported by: Public

Damaging outflow winds associated with a severe thunderstorm downed multiple trees in Embden.

Hail in ANDROSCOGGIN, MAINE
From 24-AUG-20 13:12:00 to 24-AUG-20 13:12:00 (EST-5)
Location: SHY CORNER
Magnitude: 1.50 
Crop damage: 1.00K
Reported by: COOP Observer

Hail up to ping pong ball size near Livermore Falls. Some crop damage reported.

Thunderstorm Wind in SOMERSET, MAINE
From 24-AUG-20 13:12:00 to 24-AUG-20 13:12:00 (EST-5)
Location: NORRIDGEWOCK
Magnitude: 50.00 EG
Reported by: Fire Department/Rescue

Damaging outflow winds associated with a severe thunderstorm downed multiple trees and wires down near Norridgewock.

Hail in LINCOLN, MAINE
From 24-AUG-20 15:00:00 to 24-AUG-20 15:00:00 (EST-5)
Location: NORTH WHITEFIELD
Magnitude: 1.00 
Reported by: Public

Quarter size hail reported four miles north of Whitefield.

Thunderstorm Wind in CUMBERLAND, MAINE
From 24-AUG-20 15:55:00 to 24-AUG-20 15:55:00 (EST-5)
Location: NORTH GORHAM
Magnitude: 50.00 EG
Reported by: Public

Damaging outflow winds associated with a severe thunderstorm downed multiple trees onto wires just south of North Windham.

Thunderstorm Wind in CUMBERLAND, MAINE
From 24-AUG-20 15:00:00 to 24-AUG-20 15:00:00 (EST-5)
Location: SOUTH NAPLES
Magnitude: 55.00 EG
Reported by: Law Enforcement

Damaging microburst winds associated with a severe thunderstorm downed multiple trees near Peaked Mountain Road in Sebago. Microburst could be seen on local TV station tower camera in Raymond.

Thunderstorm Wind in CUMBERLAND, MAINE
From 24-AUG-20 16:10:00 to 24-AUG-20 16:10:00 (EST-5)
Location: UPPER GLOUCESTER
Magnitude: 50.00 EG
Reported by: NWS Employee

Damaging outflow winds associated with a severe thunderstorm downed multiple trees in New Gloucester near Peacock Hill.

Hail in CUMBERLAND, MAINE
From 24-AUG-20 17:25:00 to 24-AUG-20 17:25:00 (EST-5)
Location: NORTH WINDHAM
Magnitude: 1.00 
Reported by: Public

Penny to Quarter size hail reported near Varney Hill in Windham.