A squall line developed in warm sector characterized by moderate low-level shear and low LCLs. Wind damage was the most common form of severe weather, however a few cells showed extremely high cores and low-level rotation producing large hail and numerous reports of heavy rain. There were also several reports of funnel clouds and 1 confirmed tornado.

Thunderstorm Wind in SOMERSET, MAINE
From 21-AUG-09 17:30:00 to 21-AUG-09 17:34:00 (EST-5)
Location: SOLON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm downed trees on power lines in Solon.

Thunderstorm Wind in OXFORD, MAINE
From 21-AUG-09 15:59:00 to 21-AUG-09 16:02:00 (EST-5)
Location: EAST HIRAM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

A severe thunderstorm downed trees on power lines in East Hiram on Hiram Hill Road.

Thunderstorm Wind in ANDROSCOGGIN, MAINE
From 21-AUG-09 16:40:00 to 21-AUG-09 16:43:00 (EST-5)
Location: POLAND
Magnitude: 58.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A severe thunderstorm produced a 58 mph gust measured by an observer in Poland.

Tornado in OXFORD, MAINE
From 21-AUG-09 15:22:00 to 21-AUG-09 16:01:00 (EST-5)
Location: NORWAY CENTER
Tornado F-scale: EF1
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down on the west side of Norway Lake in Norway and moved east-northeast for more than 16 miles through the towns of Paris, Buckfield and Sumner before dissipating in the town of Hartford.  The tornado produced an intermittent path of damage along it's route.  Thousands of trees were snapped or uprooted by the tornado.  In addition...numerous buildings were damaged or destroyed by the
tornado's winds or by falling trees.  Also...many wires and utility poles were brought down by the falling trees.
The tornado was rated as EF-1 on the Enhanced Fugita Scale with maximum winds estimated between 100 and 110 mph and an estimated maximum damage path width of 700 yards (0.4 miles).
Tornado damage was observed near or across the following roads:
In Norway...Mallard Way, Dove Way, Crockett Ridge Road, Pleasant Road, Ralph Richardson Road.
In Paris...Durgin Road, Elm Hill Road, Military Road, High Street, Route 26 (Park Street), Utility Road, Paris Hill Road, Ryerson Road, and Dean Road.
In Buckfield...Allen School Road, Darnit Road, and River Road.
In Sumner...Bonney Road.
In Hartford...Rt 140 (Sumner Road), Carey Hill Road, Gurney Hill Road, Bear Pond Road (Rt 219).

Funnel Cloud in CUMBERLAND, MAINE
From 21-AUG-09 16:37:00 to 21-AUG-09 16:40:00 (EST-5)
Location: STANDISH
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced a report of a funnel cloud near Standish.

Hail in OXFORD, MAINE
From 21-AUG-09 15:39:00 to 21-AUG-09 15:43:00 (EST-5)
Location: SWEDEN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced golf ball size hail, (1.75 inch), in Sweden.

Hail in CUMBERLAND, MAINE
From 21-AUG-09 16:23:00 to 21-AUG-09 16:26:00 (EST-5)
Location: NAPLES
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A severe thunderstorm produced .75 inch hail near Naples.

Thunderstorm Wind in OXFORD, MAINE
From 21-AUG-09 15:29:00 to 21-AUG-09 15:31:00 (EST-5)
Location: EAST STONEHAM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm downed trees on a road near Stoneham.

Thunderstorm Wind in OXFORD, MAINE
From 21-AUG-09 16:06:00 to 21-AUG-09 16:09:00 (EST-5)
Location: PARIS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm downed trees on High Street in Paris.

Thunderstorm Wind in CUMBERLAND, MAINE
From 21-AUG-09 17:15:00 to 21-AUG-09 17:19:00 (EST-5)
Location: GORHAM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm downed trees on North Hickory Road in Gorham.

Thunderstorm Wind in OXFORD, MAINE
From 21-AUG-09 17:15:00 to 21-AUG-09 17:18:00 (EST-5)
Location: OTISFIELD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm downed trees in West Poland on Maguire Hill.

Thunderstorm Wind in ANDROSCOGGIN, MAINE
From 21-AUG-09 16:02:00 to 21-AUG-09 16:06:00 (EST-5)
Location: POLAND
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm downed trees on Pleasant Street in Poland.

Thunderstorm Wind in KENNEBEC, MAINE
From 21-AUG-09 17:30:00 to 21-AUG-09 17:32:00 (EST-5)
Location: FARMINGDALE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm downed trees in Gardiner.

Thunderstorm Wind in SOMERSET, MAINE
From 21-AUG-09 17:30:00 to 21-AUG-09 17:34:00 (EST-5)
Location: SOLON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm downed trees on power lines in Solon.