A pre-frontal trof and upper level disturbance crossed the region during the afternoon and evening of the 27th.  The trof and upper level disturbance combined with unseasonably warm humid conditions to produce severe thunderstorms across northern Maine. Thunderstorms developed during the afternoon and persisted into the evening. The thunderstorms produced damaging winds.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:30:00 to 27-MAY-15 16:30:00 (EST-5)
Location: CROSS LAKE
Magnitude: 56.00 EG
Reported by: Emergency Manager

Trees were toppled around Cross Lake by wind gusts estimated at 65 mph. The time is estimated.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:20:00 to 27-MAY-15 16:20:00 (EST-5)
Location: GUERETTE
Magnitude: 56.00 EG
Reported by: Emergency Manager

Trees were toppled at the intersection of Routes 161 and 162 by wind gusts estimated at 65 mph. The road between Cross Lake and Sinclair was blocked by the fallen trees. The time is estimated.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:40:00 to 27-MAY-15 16:40:00 (EST-5)
Location: VAN BUREN
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees and power lines were toppled in Van Buren and along portions of Route 1A by wind gusts estimated at 60 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:30:00 to 27-MAY-15 16:30:00 (EST-5)
Location: MADAWASKA
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees were toppled on power lines in Madawaska by wind gusts estimated at 60 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:25:00 to 27-MAY-15 16:25:00 (EST-5)
Location: ST AGATHA
Magnitude: 56.00 EG
Reported by: Law Enforcement

Trees were toppled in Saint Agatha and along Long Lake by wind gusts estimated at 65 mph. A house under construction was also damaged on Pelletier Island in Long Lake. The time is estimated.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:25:00 to 27-MAY-15 16:25:00 (EST-5)
Location: SINCLAIR
Magnitude: 56.00 EG
Reported by: Law Enforcement

Trees and power lines were toppled in Sinclair by wind gusts estimated at 65 mph. The time is estimated.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:45:00 to 27-MAY-15 16:45:00 (EST-5)
Location: NEW SWEDEN
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees were toppled on power lines in New Sweden by wind gusts estimated at 60 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 17:00:00 to 27-MAY-15 17:00:00 (EST-5)
Location: ASHLAND
Magnitude: 52.00 EG
Reported by: Law Enforcement

A maple tree was toppled by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:45:00 to 27-MAY-15 16:45:00 (EST-5)
Location: PORTAGE LAKE ARPT
Magnitude: 52.00 EG
Reported by: Park/Forest Service

Numerous trees were toppled by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 17:20:00 to 27-MAY-15 17:20:00 (EST-5)
Location: WESTFIELD
Magnitude: 52.00 EG
Reported by: Law Enforcement

A tree was toppled on power lines in Westfield by wind gusts estimated at 60 mph. The tree caught fire.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 17:30:00 to 27-MAY-15 17:30:00 (EST-5)
Location: PRESQUE ISLE
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees were toppled in Presque Isle by wind gusts estimated at 60 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 27-MAY-15 16:35:00 to 27-MAY-15 16:35:00 (EST-5)
Location: GRAND ISLE
Magnitude: 52.00 EG
Reported by: Public

Trees were toppled in Grand Isle by wind gusts estimated at 60 mph. The time is estimated.