Severe thunderstorms with large hail and damaging winds occurred with a squall line crossing the region in advance of a cold front...with a weak tornado also reported. Heavy rains produced localized flash flooding around Caribou and Fort Fairfield in northeast Aroostook County. The squall line crossed the region from the mid afternoon into the early evening hours.

Flash Flood in AROOSTOOK, MAINE
From 09-JUN-11 17:00:00 to 09-JUN-11 18:15:00 (EST-5)
Location: GOODWIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorms with very heavy rain produced 2.00 to 4.00 inches of rain in a short time producing flash flooding. The flash flooding washed out portions of Strickland Road.

Thunderstorm Wind in PENOBSCOT, MAINE
From 09-JUN-11 17:30:00 to 09-JUN-11 17:30:00 (EST-5)
Location: LINCOLN
Magnitude: 56.00 EG
Reported by: Law Enforcement

Numerous trees were toppled in the Lincoln area by wind gusts estimated at 65 mph. One large tree landed on a house.

Thunderstorm Wind in PENOBSCOT, MAINE
From 09-JUN-11 17:30:00 to 09-JUN-11 17:30:00 (EST-5)
Location: LINCOLN
Magnitude: 56.00 EG
Reported by: Law Enforcement

Two garage doors were torn from a metal storage building by wind gusts estimated at 65 mph.

Hail in PENOBSCOT, MAINE
From 09-JUN-11 17:30:00 to 09-JUN-11 17:30:00 (EST-5)
Location: LINCOLN
Magnitude: 1.00 
Reported by: Law Enforcement

Thunderstorm Wind in PISCATAQUIS, MAINE
From 09-JUN-11 13:00:00 to 09-JUN-11 13:00:00 (EST-5)
Location: WILLIAMSBURG
Magnitude: 52.00 EG
Reported by: Utility Company

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

Thunderstorm Wind in PISCATAQUIS, MAINE
From 09-JUN-11 13:03:00 to 09-JUN-11 13:03:00 (EST-5)
Location: SEBEC
Magnitude: 50.00 EG
Reported by: Trained Spotter

Wind gusts were estimated at 58 mph.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 09-JUN-11 13:05:00 to 09-JUN-11 13:05:00 (EST-5)
Location: BROWNVILLE
Magnitude: 52.00 EG
Reported by: Public

Trees were toppled on High Street and Church Street in Brownville by wind gusts estimated at 60 mph.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 09-JUN-11 13:12:00 to 09-JUN-11 13:12:00 (EST-5)
Location: BOWERBANK
Magnitude: 52.00 EG
Reported by: Utility Company

Trees and power lines were toppled around Bowerbank by wind gusts estimated at 60 mph.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 09-JUN-11 13:20:00 to 09-JUN-11 13:20:00 (EST-5)
Location: MILO
Magnitude: 52.00 EG
Reported by: COOP Observer

Numerous large tree limbs...up to 2 feet in diameter...were snapped in Milo.

Tornado in AROOSTOOK, MAINE
From 09-JUN-11 15:10:00 to 09-JUN-11 15:11:00 (EST-5)
Location: FT FAIRFIELD
Tornado F-scale: EF0
Reported by: NWS Storm Survey

An EF0 tornado briefly touched down damaging trees.

Thunderstorm Wind in AROOSTOOK, MAINE
From 09-JUN-11 15:15:00 to 09-JUN-11 15:15:00 (EST-5)
Location: STEBBINS
Magnitude: 61.00 EG
Reported by: NWS Employee

Trees were toppled by wind gusts estimated at 70 mph.

Hail in AROOSTOOK, MAINE
From 09-JUN-11 15:15:00 to 09-JUN-11 15:15:00 (EST-5)
Location: FT FAIRFIELD
Magnitude: 1.00 
Reported by: NWS Employee

Flash Flood in AROOSTOOK, MAINE
From 09-JUN-11 15:38:00 to 09-JUN-11 18:15:00 (EST-5)
Location: DOW
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 4.00 inches of rain in a short time producing flash flooding. Flash flooding was reported at various locations around Caribou. Water and debris were reported on High Street...Limestone Street...Grimes Mill Road and portions of Route 161. Portions of Route 161 were closed due to water and debris on the road. Water depths of up to 18 to 24 inches were reported on Sweden Street at the height of the flash flooding. Flash flooding damaged portions of River Road. Other roads and culverts were washed out or damaged due to the flooding. Fields were also significantly damaged and eroded in spots due to the heavy rain.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 09-JUN-11 17:00:00 to 09-JUN-11 17:00:00 (EST-5)
Location: KATAHDIN IRON WORKS
Magnitude: 56.00 EG
Reported by: Park/Forest Service

Numerous trees were toppled by wind gusts estimated at 65 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 09-JUN-11 15:15:00 to 09-JUN-11 15:15:00 (EST-5)
Location: STEVENVILLE
Magnitude: 61.00 EG
Reported by: NWS Employee

Trees were toppled along Route 1A between Fort Fairfield and Limestone by wind gusts estimated at 70 mph.