A strong and slow moving frontal boundary, along with a potent mid level disturbance  triggered strong to severe thunderstorms which impacted Southern Connecticut. Three tornadoes touched down in Eastern Southern Connecticut.

Thunderstorm Wind in NEW LONDON, CONNECTICUT
From 13-NOV-21 16:15:00 to 13-NOV-21 16:15:00 (EST-5)
Location: LEBANON
Magnitude: 55.00 EG
Property damage: 0.50K
Reported by: NWS Employee

Large tree branches snapped and twisted on Lebanon ave.

Thunderstorm Wind in NEW LONDON, CONNECTICUT
From 13-NOV-21 16:21:00 to 13-NOV-21 16:21:00 (EST-5)
Location: SOUND VIEW
Magnitude: 55.00 EG
Property damage: 0.70K
Reported by: Fire Department/Rescue

Tree down on Rowland road, Flat Rock Hill road and Miles Creek road.

Thunderstorm Wind in NEW LONDON, CONNECTICUT
From 13-NOV-21 16:50:00 to 13-NOV-21 16:50:00 (EST-5)
Location: NORTH STONINGTON
Magnitude: 60.00 EG
Property damage: 2.00K
Reported by: Public

Multiple trees down in town. Large sticks/branches got blown up to 150 feet away from nearest tree.

Thunderstorm Wind in NEW LONDON, CONNECTICUT
From 13-NOV-21 16:47:00 to 13-NOV-21 16:47:00 (EST-5)
Location: WEQUETEQUOCK
Magnitude: 60.00 EG
Property damage: 5.00K
Reported by: Public

Several trees snapped on property and powerlines down on Stonington road.

Thunderstorm Wind in NEW LONDON, CONNECTICUT
From 13-NOV-21 16:50:00 to 13-NOV-21 16:50:00 (EST-5)
Location: HOPEVILLE
Magnitude: 55.00 EG
Property damage: 1.00K
Reported by: Broadcast Media

Multiple large tree branches down on road.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 13-NOV-21 15:42:00 to 13-NOV-21 15:42:00 (EST-5)
Location: EAST HAVEN
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm wind gust of 58 mph was measured at NWHC3 mesonet station.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 13-NOV-21 15:47:00 to 13-NOV-21 15:47:00 (EST-5)
Location: DAMASCUS
Magnitude: 61.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

Corrects previous thunderstorm wind damage report from 2 ENE Branford. Multiple trees and power lines reported down. Time estimated by radar.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 13-NOV-21 15:47:00 to 13-NOV-21 15:47:00 (EST-5)
Location: PINE ORCHARD
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Police reported numerous down trees, power lines around Pine Orchard. Time estimated by radar.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 13-NOV-21 15:45:00 to 13-NOV-21 15:45:00 (EST-5)
Location: BRANFORD
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Power pole toppled over at the Branford Yacht Club. Time estimated by radar.

Thunderstorm Wind in MIDDLESEX, CONNECTICUT
From 13-NOV-21 15:54:00 to 13-NOV-21 15:54:00 (EST-5)
Location: HADDAM
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Trees snapped and downed in backyard in Haddam Neck.

Tornado in NEW HAVEN, CONNECTICUT
From 13-NOV-21 15:30:00 to 13-NOV-21 15:34:00 (EST-5)
Location: WEST CHESHIRE
Tornado F-scale: EF0
Property damage: 150.00K
Reported by: NWS Storm Survey

A National Weather Service storm survey team has confirmed
An EF0 tornado in Cheshire CT. A narrow tornado path of 25 yd width
began along Mountain rd just south of Higgins rd and continued
northeast with sporadic tree damage. More significant tree damage
occurred on the grounds of the Legion of Christ College of Humanities
on Oak rd where the damage path also widened to 100 yards. The
tornado path narrowed to 25 yards thereafter with uprooted hardwood
trees along Warren st. The damage path continued northeast to the
back of the Main St Caffe and along W Main st and to the intersection
of George ave and Mueller ave where an SUV and an RV were crushed
respectively. The damage path became more sporadic past that point
and ended near Fairwood dr. The NWS would like to thank Connecticut
Division of Emergency Management and Homeland Security Headquarters
and region 2 personnel and the Cheshire Fire Department in assisting
in the survey and helping formulate this preliminary damage
assessment.

Tornado in NEW LONDON, CONNECTICUT
From 13-NOV-21 16:54:00 to 13-NOV-21 16:55:00 (EST-5)
Location: PAWCATUCK
Tornado F-scale: EF1
Property damage: 13.50K
Reported by: NWS Storm Survey

At approximately 4:54 PM EST on Saturday, November 13th, 2021 a
tornado touched down on Robinson Street in the Pawcatuck
neighborhood of Stonington, Connecticut. Several hardwood trees
were uprooted or snapped about half way up the trunk. A gutter was
ripped off of one home while shutters were ripped off of another.
Several trampolines were lifted, with one becoming stuck on a
powerline approximately 20 feet in the air. On Robinson Street,
crossroad Race Street, a metal shed was lifted and flipped before
being crushed by a large maple branch, with an approximate
diameter of 15 inches. Several street signs were also snapped at
their base.

Tornado in NEW HAVEN, CONNECTICUT
From 13-NOV-21 15:44:00 to 13-NOV-21 15:46:00 (EST-5)
Location: DAMASCUS
Tornado F-scale: EF0
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A National Weather Service Storm Survey Team has confirmed an EF0 Tornado in Branford, CT. A narrow tornado path of 25 yd. width began near Pine Orchard and Oak Hollow Roads and continued northeast...with uprooted hardwood trees showing evidence of a convergent damage pattern. The damage path widened to 300 yards at the Francis Walsh Intermediate School Field...where several light tower generators were all toppled by straight line winds...while the Eastern 100 yards of this area along Sunset Hill Drive continued to show a convergent damage pattern. The tornado continued on toward the top of Whitting Hill Road...where the path narrowed to about 75 yards and where the most intense damage occurred...where some pine trees in a loop at the top of the road were snapped in two. The damage path continued northeast to Gould Road where the tornado apparently lifted just before reaching the Governor John Davis Lodge Turnpike.
The NWS would like to thank Connecticut Division of Emergency Management and Homeland Security Headquarters and Region 2 personnel and the Branford Fire Department in assisting in the survey and helping formulate this preliminary damage assessment.