A pre-frontal surface trof moved across the region during the early to mid afternoon hours of the 18th...with a strong cold front following during the late afternoon and evening.  Severe thunderstorms developed during the afternoon and persisted into the evening producing damaging winds and large hail. A weak tornado also briefly occurred several miles north of Caribou.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 16:07:00 to 18-JUL-16 16:07:00 (EST-5)
Location: VEAZIE
Magnitude: 52.00 EG
Reported by: Fire Department/Rescue

Three trees were toppled by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 15:45:00 to 18-JUL-16 15:45:00 (EST-5)
Location: HERMON POND
Magnitude: 52.00 EG
Reported by: Post Office

Several trees were toppled between Hermon and Carmel by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 15:44:00 to 18-JUL-16 15:44:00 (EST-5)
Location: ETNA
Magnitude: 52.00 EG
Reported by: Law Enforcement

Several trees were toppled across town by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 15:15:00 to 18-JUL-16 15:15:00 (EST-5)
Location: BREWER
Magnitude: 60.00 EG
Reported by: Law Enforcement

Numerous trees were toppled across town by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:57:00 to 18-JUL-16 14:57:00 (EST-5)
Location: ETNA
Magnitude: 56.00 EG
Reported by: Public

An estimated 30 trees were toppled or snapped at a camp on the east side of Etna Lake by wind gusts estimated at 65 mph. The time is estimated.

Thunderstorm Wind in WASHINGTON, MAINE
From 18-JUL-16 14:50:00 to 18-JUL-16 14:50:00 (EST-5)
Location: WAITE
Magnitude: 52.00 EG
Reported by: Public

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

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:47:00 to 18-JUL-16 14:47:00 (EST-5)
Location: CUNNINGHAM LNDG
Magnitude: 61.00 EG
Reported by: Public

Numerous trees were toppled or snapped at Pushaw Lake Campground by wind gusts estimated at 70 mph. Two campers were totaled by falling trees. A sign with 2 inch metal supports was bent backward by the wind.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:47:00 to 18-JUL-16 14:47:00 (EST-5)
Location: CUNNINGHAM LNDG
Magnitude: 61.00 EG
Reported by: Utility Company

Numerous trees were toppled or snapped...along with downed power lines...near Pushaw Lake by wind gusts estimated at 70 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:45:00 to 18-JUL-16 14:45:00 (EST-5)
Location: COSTIGAN
Magnitude: 52.00 EG
Reported by: Fire Department/Rescue

Power lines were downed along Greenfield Road by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in WASHINGTON, MAINE
From 18-JUL-16 14:40:00 to 18-JUL-16 14:40:00 (EST-5)
Location: TOPSFIELD
Magnitude: 52.00 EG
Reported by: Department of Highways

Two trees were toppled along Route 6...between Topsfield and Kossuth Township...by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:40:00 to 18-JUL-16 14:40:00 (EST-5)
Location: KENDUSKEAG
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees were toppled on the Kenduskeag - Levant Road by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:40:00 to 18-JUL-16 14:40:00 (EST-5)
Location: CORINNA
Magnitude: 52.00 EG
Reported by: NWS Employee

Several trees were toppled on Route 7 near Corinna by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:25:00 to 18-JUL-16 14:25:00 (EST-5)
Location: EXETER CENTER
Magnitude: 52.00 EG
Reported by: Utility Company

Power lines were reported down in Exeter with wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 18-JUL-16 13:28:00 to 18-JUL-16 13:28:00 (EST-5)
Location: SANGERVILLE
Magnitude: 52.00 EG
Reported by: Amateur Radio

Several trees were toppled around town by wind gusts estimated at 60 mph.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 18-JUL-16 13:20:00 to 18-JUL-16 13:20:00 (EST-5)
Location: ABBOT VLG
Magnitude: 52.00 EG
Reported by: Amateur Radio

A large tree was toppled on to a house in Abbot...producing minor damage to the house...by wind gusts estimated at 60 mph.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 18-JUL-16 13:45:00 to 18-JUL-16 13:45:00 (EST-5)
Location: MEDFORD
Magnitude: 56.00 EG
Reported by: Public

The tops of many trees were snapped by wind gusts estimated at 65 mph.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 18-JUL-16 13:35:00 to 18-JUL-16 13:35:00 (EST-5)
Location: DOVER FOXCROFT
Magnitude: 56.00 EG
Reported by: Public

Trees were toppled along Route 7...just south of Dover-Foxcroft...by wind gusts estimated at 65 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:20:00 to 18-JUL-16 14:20:00 (EST-5)
Location: EXETER CENTER
Magnitude: 52.00 EG
Reported by: Trained Spotter

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

Thunderstorm Wind in AROOSTOOK, MAINE
From 18-JUL-16 14:25:00 to 18-JUL-16 14:25:00 (EST-5)
Location: CHAPMAN
Magnitude: 52.00 EG
Reported by: Public

A gazebo was destroyed and several heavy adirondack chairs were tossed off a deck by wind gusts estimated at 60 mph.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 18-JUL-16 13:35:00 to 18-JUL-16 13:35:00 (EST-5)
Location: EAST SANGERVILLE
Magnitude: 56.00 EG
Reported by: Emergency Manager

Around a dozen trees were toppled or snapped around town by wind gusts estimated at 65 mph.

Thunderstorm Wind in AROOSTOOK, MAINE
From 18-JUL-16 14:35:00 to 18-JUL-16 14:35:00 (EST-5)
Location: SKERRY
Magnitude: 52.00 EG
Reported by: NWS Storm Survey

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

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:25:00 to 18-JUL-16 14:25:00 (EST-5)
Location: STETSON
Magnitude: 52.00 EG
Reported by: Public

Trees were toppled on the road between Exeter and Stetson by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:18:00 to 18-JUL-16 14:18:00 (EST-5)
Location: LEE
Magnitude: 52.00 EG
Reported by: Social Media

Trees were toppled on to power lines by wind gusts estimated at 60 mph.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 16:05:00 to 18-JUL-16 16:05:00 (EST-5)
Location: BREWER
Magnitude: 52.00 EG
Reported by: Social Media

Power lines were downed at Wilson and Main Streets by wind gusts estimated at 60 mph. The time is estimated.

Hail in PENOBSCOT, MAINE
From 18-JUL-16 14:58:00 to 18-JUL-16 14:58:00 (EST-5)
Location: MILFORD
Magnitude: 1.00 
Reported by: Public

The time is estimated.

Hail in PENOBSCOT, MAINE
From 18-JUL-16 14:55:00 to 18-JUL-16 14:55:00 (EST-5)
Location: OLD TOWN
Magnitude: 1.00 
Reported by: Social Media

The time is estimated.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:15:00 to 18-JUL-16 14:15:00 (EST-5)
Location: DEXTER
Magnitude: 56.00 EG
Reported by: Public

Trees and utility poles were toppled around town by wind gusts estimated at 65 mph.

Hail in AROOSTOOK, MAINE
From 18-JUL-16 17:20:00 to 18-JUL-16 17:20:00 (EST-5)
Location: (LIZ)LORING AFB LIME
Magnitude: 1.00 
Reported by: Social Media

The time is estimated.

Hail in AROOSTOOK, MAINE
From 18-JUL-16 16:50:00 to 18-JUL-16 16:50:00 (EST-5)
Location: NEW SWEDEN
Magnitude: 1.00 
Reported by: Social Media

The time is estimated.

Hail in AROOSTOOK, MAINE
From 18-JUL-16 17:23:00 to 18-JUL-16 17:23:00 (EST-5)
Location: (LIZ)LORING AFB LIME
Magnitude: 1.00 
Reported by: Public

Tornado in AROOSTOOK, MAINE
From 18-JUL-16 16:40:00 to 18-JUL-16 16:41:00 (EST-5)
Location: HANFORD
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A supercell thunderstorm produced a brief EF-0 tornado. The short lived EF-0 tornado...with estimated maximum winds around 80 mph...touched down on the north side of Tangle Ridge Road then travelled around a 100 yards into the woods. The tornado uprooted and snapped numerous trees along its short path (DI28, DOD3). The tornado could have briefly touched down again further to the east-northeast along the path of the storm. However...forestation and lack of roads in the area limited the damage survey.

Thunderstorm Wind in PENOBSCOT, MAINE
From 18-JUL-16 14:11:00 to 18-JUL-16 14:11:00 (EST-5)
Location: SOUTH LINCOLN
Magnitude: 52.00 EG
Reported by: Department of Highways

Two trees were toppled along Route 155...south of Lincoln...by wind gusts estimated at 60 mph. The time is estimated.

Thunderstorm Wind in WASHINGTON, MAINE
From 18-JUL-16 14:50:00 to 18-JUL-16 14:50:00 (EST-5)
Location: TOPSFIELD
Magnitude: 56.00 EG
Reported by: Public

An estimated 15 to 20 trees were toppled or snapped between Topsfield and Brookton by wind gusts estimated at 65 mph. The time is estimated.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 18-JUL-16 13:35:00 to 18-JUL-16 13:35:00 (EST-5)
Location: DOVER FOXCROFT
Magnitude: 56.00 EG
Reported by: Amateur Radio

Around a dozen trees were toppled or snapped around town by wind gusts estimated at 65 mph.

Hail in PENOBSCOT, MAINE
From 18-JUL-16 15:04:00 to 18-JUL-16 15:04:00 (EST-5)
Location: BRADLEY
Magnitude: 1.00 
Reported by: Social Media

The time is estimated.

Thunderstorm Wind in PISCATAQUIS, MAINE
From 18-JUL-16 13:25:00 to 18-JUL-16 13:25:00 (EST-5)
Location: GUILFORD
Magnitude: 52.00 EG
Reported by: Trained Spotter

Several trees were toppled around town by wind gusts estimated at 60 mph.