The slow moving cold front which was approaching during the 3rd...began to cross the region during the 4th. Severe thunderstorms developed along the front during the early afternoon and continued through the late afternoon hours. The storms produced large hail and strong damaging winds.

Hail in AROOSTOOK, MAINE
From 04-AUG-15 13:45:00 to 04-AUG-15 13:45:00 (EST-5)
Location: MARS HILL
Magnitude: 1.00 
Reported by: Social Media

The time is estimated.

Hail in AROOSTOOK, MAINE
From 04-AUG-15 13:50:00 to 04-AUG-15 13:50:00 (EST-5)
Location: HERSEY
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in AROOSTOOK, MAINE
From 04-AUG-15 14:22:00 to 04-AUG-15 14:22:00 (EST-5)
Location: SMYRNA MILLS
Magnitude: 1.75 
Reported by: Social Media

Hail in AROOSTOOK, MAINE
From 04-AUG-15 14:23:00 to 04-AUG-15 14:23:00 (EST-5)
Location: DYER BROOK
Magnitude: 1.25 
Reported by: Social Media

A tree was also reported toppled in addition to the hail. The time is estimated.

Hail in AROOSTOOK, MAINE
From 04-AUG-15 14:25:00 to 04-AUG-15 14:25:00 (EST-5)
Location: SMYRNA MILLS
Magnitude: 1.00 
Reported by: Social Media

The time is estimated.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 04-AUG-15 14:35:00 to 04-AUG-15 14:35:00 (EST-5)
Location: KATAHDIN IRON WORKS
Magnitude: 52.00 EG
Reported by: Park/Forest Service

Trees were toppled along Katahdin Iron Works Road by wind gusts estimated at 60 mph. The time is estimated.

Hail in AROOSTOOK, MAINE
From 04-AUG-15 14:50:00 to 04-AUG-15 14:50:00 (EST-5)
Location: WILEY RD
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in AROOSTOOK, MAINE
From 04-AUG-15 14:55:00 to 04-AUG-15 14:55:00 (EST-5)
Location: LITTLETON
Magnitude: 1.25 
Reported by: Social Media

The time is estimated.

Hail in AROOSTOOK, MAINE
From 04-AUG-15 14:55:00 to 04-AUG-15 14:55:00 (EST-5)
Location: WILEY RD
Magnitude: 1.00 
Reported by: Social Media

The time is estimated.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-AUG-15 15:45:00 to 04-AUG-15 15:45:00 (EST-5)
Location: CHESTER
Magnitude: 52.00 EG
Reported by: Fire Department/Rescue

A tree was toppled by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-AUG-15 15:30:00 to 04-AUG-15 15:30:00 (EST-5)
Location: EAST MILLINOCKET
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-AUG-15 15:45:00 to 04-AUG-15 15:45:00 (EST-5)
Location: WINN
Magnitude: 52.00 EG
Reported by: Fire Department/Rescue

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

Hail in PENOBSCOT, MAINE
From 04-AUG-15 15:55:00 to 04-AUG-15 15:55:00 (EST-5)
Location: PLYMOUTH
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in AROOSTOOK, MAINE
From 04-AUG-15 15:55:00 to 04-AUG-15 15:55:00 (EST-5)
Location: MACWAHOC
Magnitude: 52.00 EG
Reported by: Trained Spotter

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

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-AUG-15 15:35:00 to 04-AUG-15 15:35:00 (EST-5)
Location: CHESTER
Magnitude: 52.00 EG
Reported by: NWS Employee

Trees were toppled along I-95 by wind gusts estimated at 60 mph. The time is estimated.

Hail in PISCATAQUIS, MAINE
From 04-AUG-15 13:05:00 to 04-AUG-15 13:05:00 (EST-5)
Location: CHESUNCOOK
Magnitude: 1.00 
Reported by: Park/Forest Service

Rangers at Baxter State Park reported quarter size hail covering the ground at Ledge Falls.

Hail in AROOSTOOK, MAINE
From 04-AUG-15 14:50:00 to 04-AUG-15 14:50:00 (EST-5)
Location: WILEY RD
Magnitude: 1.75 
Reported by: Social Media

The time is estimated.