A cold front and strong upper level disturbance helped produce severe thunderstorms across the region during the afternoon of the 1st. The storms developed during the early afternoon and continued through the late afternoon hours. The storms produced large hail and damaging winds. This marked the start of an active stretch of severe weather...with a persistent upper low located northwest of the region. A series of upper level disturbances and associated surface cold fronts/trofs rotating around the upper low crossed the region during the next several days producing severe weather.

Hail in PISCATAQUIS, MAINE
From 01-AUG-15 12:45:00 to 01-AUG-15 12:45:00 (EST-5)
Location: SEBEC
Magnitude: 1.00 
Reported by: Law Enforcement

Thunderstorm Wind in AROOSTOOK, MAINE
From 01-AUG-15 12:45:00 to 01-AUG-15 12:45:00 (EST-5)
Location: PRESQUE ISLE
Magnitude: 52.00 EG
Reported by: Fire Department/Rescue

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

Hail in PISCATAQUIS, MAINE
From 01-AUG-15 13:00:00 to 01-AUG-15 13:00:00 (EST-5)
Location: GREENVILLE
Magnitude: 1.00 
Reported by: Public

Hail in PISCATAQUIS, MAINE
From 01-AUG-15 13:05:00 to 01-AUG-15 13:05:00 (EST-5)
Location: LAKEVIEW
Magnitude: 1.00 
Reported by: Public

Pea to quarter size hail was reported in Lakeview Plantation on Schoodic Lake.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 01-AUG-15 13:55:00 to 01-AUG-15 13:55:00 (EST-5)
Location: BROWNVILLE
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Hail in PENOBSCOT, MAINE
From 01-AUG-15 13:40:00 to 01-AUG-15 13:40:00 (EST-5)
Location: CHESTER
Magnitude: 1.75 
Reported by: Public

Hail in PISCATAQUIS, MAINE
From 01-AUG-15 13:45:00 to 01-AUG-15 13:45:00 (EST-5)
Location: SEBEC
Magnitude: 1.00 
Reported by: Law Enforcement

The time is estimated.

Hail in PENOBSCOT, MAINE
From 01-AUG-15 13:45:00 to 01-AUG-15 13:45:00 (EST-5)
Location: WINN
Magnitude: 1.75 
Reported by: Public

Hail in PENOBSCOT, MAINE
From 01-AUG-15 13:50:00 to 01-AUG-15 13:50:00 (EST-5)
Location: MATTAWAMKEAG
Magnitude: 1.75 
Reported by: Public

Hail in PENOBSCOT, MAINE
From 01-AUG-15 13:50:00 to 01-AUG-15 13:50:00 (EST-5)
Location: MATTAWAMKEAG
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in PENOBSCOT, MAINE
From 01-AUG-15 13:35:00 to 01-AUG-15 13:35:00 (EST-5)
Location: SPRINGFIELD
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Thunderstorm Wind in PENOBSCOT, MAINE
From 01-AUG-15 13:45:00 to 01-AUG-15 13:45:00 (EST-5)
Location: WINN
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Thunderstorm Wind in HANCOCK, MAINE
From 01-AUG-15 15:55:00 to 01-AUG-15 15:55:00 (EST-5)
Location: CASTINE
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees were toppled on Shore Road by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 01-AUG-15 13:45:00 to 01-AUG-15 13:45:00 (EST-5)
Location: MATTAWAMKEAG
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Thunderstorm Wind in HANCOCK, MAINE
From 01-AUG-15 16:05:00 to 01-AUG-15 16:05:00 (EST-5)
Location: SEDGWICK
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Thunderstorm Wind in HANCOCK, MAINE
From 01-AUG-15 16:00:00 to 01-AUG-15 16:00:00 (EST-5)
Location: BLUE HILL
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees were toppled in Blue Hill by wind gusts estimated at 60 mph.

Thunderstorm Wind in HANCOCK, MAINE
From 01-AUG-15 16:00:00 to 01-AUG-15 16:00:00 (EST-5)
Location: BROOKSVILLE
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Hail in HANCOCK, MAINE
From 01-AUG-15 16:27:00 to 01-AUG-15 16:27:00 (EST-5)
Location: LAMOINE
Magnitude: 1.00 
Reported by: Park/Forest Service

Hail up to 1.00 inch in diameter caused tents to collapse at Lamoine State Park.

Hail in PENOBSCOT, MAINE
From 01-AUG-15 14:00:00 to 01-AUG-15 14:00:00 (EST-5)
Location: KINGMAN
Magnitude: 1.00 
Reported by: Public