A cold front transiting the Tri-State formed a squall line with multiple bow echoes, producing two tornadoes, and widespread damage from straight line winds.

Tornado in NEW HAVEN, CONNECTICUT
From 31-JUL-09 15:28:00 to 31-JUL-09 15:33:00 (EST-5)
Location: EAST RIVER
Tornado F-scale: EF1
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado cut a narrow, discontinuous swath of damage nearly 3 miles long from near Copse Trail east-southeast to Hull Road between Acorn and Saxon Roads. Downed trees on Wellsweep Drive were strewn in multiple directions in a pattern indicative of a tornado. Snapped and uprooted hardwood trees were also indicative of maximum wind speeds around 100 mph, or EF1 on the Enhanced Fujita Scale.

Thunderstorm Wind in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:05:00 to 31-JUL-09 14:05:00 (EST-5)
Location: PINE ROCK PARK
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported down in Pine Rock Park.

Thunderstorm Wind in MIDDLESEX, CONNECTICUT
From 31-JUL-09 14:38:00 to 31-JUL-09 14:38:00 (EST-5)
Location: SOUTH FARMS
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Wires were reported down at 177 Randolph Road.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 31-JUL-09 14:39:00 to 31-JUL-09 14:40:00 (EST-5)
Location: NAUGATUCK
Magnitude: 83.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reports indicate downed trees near the off/on ramps of exit 25 on Route 8 North, extending east for about 200 yards to near a commuter parking lot on Cross Street and onto Andrasko Road. Downed trees near the Route 8 ramps were facing toward the north and northwest, while those near the parking lot and on Andrasko Road were oriented east and southeast. Some healthy trees in the damage area were snapped about one-third of the way down from the top. This damage is indicative of a microburst with estimated maximum winds of about 95 mph.

Thunderstorm Wind in NEW LONDON, CONNECTICUT
From 31-JUL-09 14:45:00 to 31-JUL-09 14:45:00 (EST-5)
Location: GROTON
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A boat was reported overturned at Eastern Point Beach, with minor damage.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 31-JUL-09 14:45:00 to 31-JUL-09 14:45:00 (EST-5)
Location: ORONOKE
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

Many tree branches were reported down near 50 Thompson Avenue.

Thunderstorm Wind in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:50:00 to 31-JUL-09 14:50:00 (EST-5)
Location: SHELTON
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Minor damage was reported to 15-20 condominiums.  Trees and power lines were also reported to be intertwined.

Thunderstorm Wind in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:52:00 to 31-JUL-09 14:52:00 (EST-5)
Location: FAIRFIELD
Magnitude: 61.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees and wires were reported down throughout the town.

Thunderstorm Wind in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:59:00 to 31-JUL-09 14:59:00 (EST-5)
Location: WESTPORT
Magnitude: 52.00 EG
Property damage: 7.50K
Crop damage: 0.00K
Reported by: Broadcast Media

A large limb fell into a house, injuring an occupant.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 31-JUL-09 15:05:00 to 31-JUL-09 15:05:00 (EST-5)
Location: MERIDEN
Magnitude: 61.00 EG
Property damage: 7.50K
Crop damage: 0.00K
Reported by: NWS Employee

Main Street was closed due to multiple trees down across the road.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 31-JUL-09 15:20:00 to 31-JUL-09 15:20:00 (EST-5)
Location: NORTH BRANFORD
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 31-JUL-09 15:30:00 to 31-JUL-09 15:30:00 (EST-5)
Location: GUILFORD
Magnitude: 61.00 EG
Property damage: 12.50K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees were reported down in Guilford, including one which fell on a car.

Thunderstorm Wind in MIDDLESEX, CONNECTICUT
From 31-JUL-09 15:43:00 to 31-JUL-09 15:43:00 (EST-5)
Location: CHESTER
Magnitude: 61.00 EG
Property damage: 7.50K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down.

Thunderstorm Wind in NEW LONDON, CONNECTICUT
From 31-JUL-09 15:53:00 to 31-JUL-09 15:53:00 (EST-5)
Location: OLD LYME
Magnitude: 61.00 EG
Property damage: 7.50K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down.

Thunderstorm Wind in MIDDLESEX, CONNECTICUT
From 31-JUL-09 15:53:00 to 31-JUL-09 15:53:00 (EST-5)
Location: DEEP RIVER
Magnitude: 61.00 EG
Property damage: 7.50K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down.

Thunderstorm Wind in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:38:00 to 31-JUL-09 14:38:00 (EST-5)
Location: BOTSFORD
Magnitude: 52.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Newspaper

A tree and power lines fell across High Rock Road in the town of Sandy Hook, closing the road for a few hours.

Tornado in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:56:00 to 31-JUL-09 14:57:00 (EST-5)
Location: PINE ROCK PARK
Tornado F-scale: EF1
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A narrow path of wind damage extended along the Yutaka Trail near Kanungum Trail and Agawam trail to Long Hill Avenue near Pochong Trail. The most concentrated wind damage was along Oronogue trail, where many trees were downed.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 31-JUL-09 15:00:00 to 31-JUL-09 15:00:00 (EST-5)
Location: ORANGE
Magnitude: 61.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

Numerous trees were brought down across the Merritt Parkway between exits 55 and 56 closing the road for a few hours and causing multiple accidents.

Thunderstorm Wind in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:45:00 to 31-JUL-09 14:45:00 (EST-5)
Location: GREENFIELD HILL
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Newspaper

A 15 inch diameter branch fell into a roof on a house on Greenport Lane, causing minor injuries to the occupant.

Thunderstorm Wind in NEW HAVEN, CONNECTICUT
From 31-JUL-09 15:00:00 to 31-JUL-09 15:00:00 (EST-5)
Location: ORANGE
Magnitude: 70.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dozens of trees were reported uprooted and snapped, mainly along Woodruff Road and Ardmore Road near the Milford/Orange Town Line.  This caused minor property damage to fences, roofs, and windows.

Thunderstorm Wind in FAIRFIELD, CONNECTICUT
From 31-JUL-09 14:55:00 to 31-JUL-09 14:55:00 (EST-5)
Location: ORONOQUE
Magnitude: 61.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

Multiple trees fell across the Merritt Parkway between exits 52 and 53 closing the road for 3 hours, and causing multiple accidents.