Severe thunderstorms with large hail and damaging winds developed during the afternoon of the 4th in advance of a cold front crossing the region. Isolated flash flooding also occurred in the Caribou area. The thunderstorms continued into the early evening.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-JUL-11 15:15:00 to 04-JUL-11 15:15:00 (EST-5)
Location: LEVANT
Magnitude: 52.00 EG
Reported by: Law Enforcement

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

Hail in AROOSTOOK, MAINE
From 04-JUL-11 18:00:00 to 04-JUL-11 18:00:00 (EST-5)
Location: MONTICELLO
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in PISCATAQUIS, MAINE
From 04-JUL-11 13:20:00 to 04-JUL-11 13:20:00 (EST-5)
Location: SEBEC
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees were toppled and large branches snapped along roads leading to Sebec Lake by wind gusts estimated at 60 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 04-JUL-11 13:30:00 to 04-JUL-11 13:30:00 (EST-5)
Location: (CAR)CARIBOU ARPT
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees were toppled on Page Avenue in Caribou by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-JUL-11 14:05:00 to 04-JUL-11 14:05:00 (EST-5)
Location: CORINNA
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees and power lines were toppled on the Saint Albans Road by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-JUL-11 14:12:00 to 04-JUL-11 14:12:00 (EST-5)
Location: CORINNA
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees and power lines were toppled in Corinna Center by wind gusts estimated at 60 mph.

Flash Flood in AROOSTOOK, MAINE
From 04-JUL-11 14:20:00 to 04-JUL-11 16:00:00 (EST-5)
Location: JACOBS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms with very heavy rain produced 2.00 to 3.00 inches of rain in a short time producing flash flooding around the Caribou area. Water was reported across portions of River Road...Old Washburn Road...Mitchell Road and Fort Fairfield Road. York Street was closed due to flash flooding. An overflowing brook flooded portions of Sweden Street and Prospect Street.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-JUL-11 14:22:00 to 04-JUL-11 14:22:00 (EST-5)
Location: EXETER CENTER
Magnitude: 52.00 EG
Reported by: Law Enforcement

Large trees were toppled in Exeter by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-JUL-11 14:27:00 to 04-JUL-11 14:27:00 (EST-5)
Location: STETSON
Magnitude: 52.00 EG
Reported by: Law Enforcement

Large trees were toppled around Stetson by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 04-JUL-11 14:27:00 to 04-JUL-11 14:27:00 (EST-5)
Location: CORINNA
Magnitude: 52.00 EG
Reported by: Law Enforcement

Trees and power lines were toppled along Amsten Road by wind gusts estimated at 60 mph.

Hail in AROOSTOOK, MAINE
From 04-JUL-11 14:30:00 to 04-JUL-11 14:30:00 (EST-5)
Location: (CAR)CARIBOU ARPT
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in PENOBSCOT, MAINE
From 04-JUL-11 14:40:00 to 04-JUL-11 14:40:00 (EST-5)
Location: LEVANT
Magnitude: 1.00 
Reported by: COOP Observer

Thunderstorm Wind in AROOSTOOK, MAINE
From 04-JUL-11 13:30:00 to 04-JUL-11 13:30:00 (EST-5)
Location: NEW SWEDEN
Magnitude: 52.00 EG
Reported by: Utility Company

A large tree was toppled on to power lines on the Bondeson Road by wind gusts estimated at 60 mph.