A cold front and upper disturbance crossed the region during the afternoon and evening hours of the 17th. Severe thunderstorms developed across eastern Maine in advance of the front during the late afternoon hours...then persisted into the evening. The thunderstorms produced damaging winds...along with a brief tornado in the Danforth area.  Heavy rain produced localized flash flooding in the Caribou area.

Thunderstorm Wind in AROOSTOOK, MAINE
From 17-JUL-13 16:20:00 to 17-JUL-13 16:20:00 (EST-5)
Location: NORTH LYNDON
Magnitude: 52.00 EG
Reported by: Broadcast Media

Two power lines were toppled near Connor by wind gusts estimated at 60 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 17-JUL-13 17:00:00 to 17-JUL-13 17:00:00 (EST-5)
Location: JACOBS
Magnitude: 52.00 EG
Reported by: Emergency Manager

Several trees were toppled on Coffin Road by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in AROOSTOOK, MAINE
From 17-JUL-13 17:04:00 to 17-JUL-13 17:04:00 (EST-5)
Location: CROUSEVILLE
Magnitude: 52.00 EG
Reported by: Law Enforcement

Three trees were toppled on Route 164...between Washburn and Presque Isle...by wind gusts estimated at 60 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 17-JUL-13 17:06:00 to 17-JUL-13 17:06:00 (EST-5)
Location: CROUSEVILLE
Magnitude: 56.00 EG
Reported by: Social Media

Around 30 trees were toppled on Parsons Road...between Presque Isle and Washburn...by wind gusts estimated at 65 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 17-JUL-13 17:45:00 to 17-JUL-13 17:45:00 (EST-5)
Location: WESTON
Magnitude: 56.00 EG
Reported by: Law Enforcement

Numerous trees were toppled along Bancroft Road by wind gusts estimated at 65 mph. The time is estimated.

Thunderstorm Wind in WASHINGTON, MAINE
From 17-JUL-13 17:51:00 to 17-JUL-13 17:51:00 (EST-5)
Location: DANFORTH
Magnitude: 56.00 EG
Reported by: Law Enforcement

Wires were brought down along Route 169 in Danforth by wind gusts etimated at 65 mph. The time is estimated.

Flash Flood in AROOSTOOK, MAINE
From 17-JUL-13 18:00:00 to 17-JUL-13 19:45:00 (EST-5)
Location: BARRETTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorms with rainfall rates of 1 to 2 inches per hour produced localized flash flooding in the Caribou area. Running water and debris covered Powers Road. Several inches of water were reported on streets around Caribou...with a culvert partially washed out on York Street.

Thunderstorm Wind in AROOSTOOK, MAINE
From 17-JUL-13 18:00:00 to 17-JUL-13 18:00:00 (EST-5)
Location: WESTON
Magnitude: 56.00 EG
Reported by: Trained Spotter

Numerous trees and power lines were toppled by wind gusts estimated at 65 mph. The time is estimated.

Flash Flood in AROOSTOOK, MAINE
From 17-JUL-13 20:00:00 to 17-JUL-13 22:00:00 (EST-5)
Location: SOUTH BANCROFT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms with rainfall rates of 2 to 3 inches per hour produced localized flash flooding around Orient. Several roads...including Kelly Brook Road...and camp roads were washed out or damaged.

Tornado in WASHINGTON, MAINE
From 17-JUL-13 17:48:00 to 17-JUL-13 17:49:00 (EST-5)
Location: DANFORTH
Tornado F-scale: EF0
Reported by: NWS Storm Survey

An EF0 tornado...embedded within an area of damaging straight-line winds...briefly touched down destroying a metal shed (DI 1, DOD5). Based on the damage...the tornado winds were estimated at 70 mph.