A mid-level short wave trough combined with an approaching cold front and a warm, humid environment to produce severe thunderstorms and flash flooding across MA and northern RI during the afternoon and evening hours.  A Flash Flood Emergency occurred in the Norwood, MA area.

Flash Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 16:31:00 to 28-JUN-20 16:31:00 (EST-5)
Location: PLUMMER CORNER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In the Whitinsville section of Northbridge, flash flooding occurred, with 3 feet of water on Cross Street near East Street.

Flash Flood in PLYMOUTH, MASSACHUSETTS
From 28-JUN-20 16:45:00 to 28-JUN-20 16:45:00 (EST-5)
Location: BROCKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Brockton, flash flooding on West Street caused manhole covers to pop off.

Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 16:49:00 to 28-JUN-20 16:49:00 (EST-5)
Location: PLUMMER CORNER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Northbridge, there was flooding on Church Street with road impassable.

Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 16:51:00 to 28-JUN-20 16:51:00 (EST-5)
Location: SPINDLEVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Hopedale, flooding was reported at the intersection of Adin Street and Mendon Street (Route 16).

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 18:39:00 to 28-JUN-20 18:39:00 (EST-5)
Location: ROCKVILLE
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Flooding on Fleetwood Drive cause flooding into the basement of a home on Rockwood Road (Route 115).

Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 18:53:00 to 28-JUN-20 18:53:00 (EST-5)
Location: WACHUSETT STATION
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A car was stuck in flooding on Princeton Road on the Princeton Road Bridge.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:57:00 to 28-JUN-20 16:57:00 (EST-5)
Location: WRENTHAM
Flood cause: Heavy Rain
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Wrentham, there was flooding of a finished basement on Martin Lane.

Hail in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:30:00 to 28-JUN-20 12:30:00 (EST-5)
Location: WATERTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter size hail was reported in Watertown Square.

Hail in SUFFOLK, MASSACHUSETTS
From 28-JUN-20 13:00:00 to 28-JUN-20 13:00:00 (EST-5)
Location: FOREST HILLS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Dime size hail was reported in Jamaica Plain.

Hail in HAMPSHIRE, MASSACHUSETTS
From 28-JUN-20 14:48:00 to 28-JUN-20 14:48:00 (EST-5)
Location: BAY STATE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Half dollar size hail was reported in Northampton.

Hail in HAMPSHIRE, MASSACHUSETTS
From 28-JUN-20 14:56:00 to 28-JUN-20 14:58:00 (EST-5)
Location: EASTHAMPTON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Ping Pong ball size size hail lasted for two minutes. Reported by the public and forwaded by both amateur radio and broadcast media.

Hail in NORFOLK, MASSACHUSETTS
From 28-JUN-20 15:40:00 to 28-JUN-20 15:40:00 (EST-5)
Location: WINSLOWS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Media reported quarter size hail in Norwood.

Hail in NORFOLK, MASSACHUSETTS
From 28-JUN-20 15:50:00 to 28-JUN-20 15:50:00 (EST-5)
Location: FRANKLIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported in Franklin.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:00:00 to 28-JUN-20 16:00:00 (EST-5)
Location: PLIMPTONVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In the southern part of Norwood, Landsdowne Way was flooded and impassable.

Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 19:30:00 to 28-JUN-20 19:30:00 (EST-5)
Location: BARBER
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A car was stuck in flood waters three feet deep on West Boylston Street, in an area that typically receives flooding.

Hail in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:10:00 to 28-JUN-20 16:10:00 (EST-5)
Location: WEST MEDWAY
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Public

The public, supported by videos, reported hen egg size (2 inch diameter) hail, which was preceded by a 15-minute period of pea size hail.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:29:00 to 28-JUN-20 12:29:00 (EST-5)
Location: NEWTON
Magnitude: 50.00 EG
Property damage: 0.70K
Crop damage: 0.00K
Reported by: Amateur Radio

In Newton, a tree and power lines were down on Highland Avenue.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:40:00 to 28-JUN-20 12:40:00 (EST-5)
Location: NEWTON
Magnitude: 50.00 EG
Property damage: 1.30K
Crop damage: 0.00K
Reported by: Amateur Radio

In Newton, a tree was down blocking Lewis Terrace at Washington Street.  A second tree and wires were down in the same area.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 12:59:00 to 28-JUN-20 13:01:00 (EST-5)
Location: BROOKLINE
Magnitude: 50.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Brookline, at 1259 PM EST (159 PM EDT), a tree was down onto a building on Perry Street.  At 101 PM EST (201 PM EDT), a tree was down on the 200 block of Walnut Street.

Thunderstorm Wind in SUFFOLK, MASSACHUSETTS
From 28-JUN-20 13:00:00 to 28-JUN-20 13:00:00 (EST-5)
Location: BACK BAY ANNEX
Magnitude: 50.00 EG
Property damage: 0.30K
Crop damage: 0.00K
Reported by: Amateur Radio

At 1 PM EST (2 PM EDT), power lines were reported down on Calumet Street in the Roxbury section of Boston.

Thunderstorm Wind in SUFFOLK, MASSACHUSETTS
From 28-JUN-20 13:08:00 to 28-JUN-20 13:08:00 (EST-5)
Location: REVERE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Revere, a large tree branch was down on top of a vehicle on Reservoir Avenue.

Thunderstorm Wind in SUFFOLK, MASSACHUSETTS
From 28-JUN-20 13:37:00 to 28-JUN-20 13:37:00 (EST-5)
Location: BACK BAY ANNEX
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Boston, a tree fell onto the road near the Green Line MBTA outbound tracks near Huntington Avenue.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 28-JUN-20 13:42:00 to 28-JUN-20 13:42:00 (EST-5)
Location: STRAITS POND
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Hull, a tree was downed on Atlantic Avenue near the baseball field.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 28-JUN-20 13:45:00 to 28-JUN-20 13:45:00 (EST-5)
Location: HINGHAM
Magnitude: 50.00 EG
Property damage: 0.30K
Crop damage: 0.00K
Reported by: Amateur Radio

In Hingham, a large tree branch was down on Rockland Street and Martins Lane.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 14:09:00 to 28-JUN-20 14:09:00 (EST-5)
Location: COHASSET
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Cohasset, a tree was down on Jerusalem Road and another tree was down at the intersection of Joy Place and North Main Street.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 14:29:00 to 28-JUN-20 14:29:00 (EST-5)
Location: EAST BRAINTREE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Quincy, a tree was down at Perley Place.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 15:16:00 to 28-JUN-20 15:16:00 (EST-5)
Location: MILTON
Magnitude: 50.00 EG
Property damage: 0.80K
Crop damage: 0.00K
Reported by: Amateur Radio

In Milton, a tree and wires were down on Randolph Avenue (Route 28).

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:30:00 to 28-JUN-20 16:30:00 (EST-5)
Location: NORFOLK ARPT
Magnitude: 50.00 EG
Property damage: 1.30K
Crop damage: 0.00K
Reported by: Amateur Radio

In Norfolk, trees and wires were reported down on Kingsbury Road.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:30:00 to 28-JUN-20 16:30:00 (EST-5)
Location: WINSLOWS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Westwood, a large tree was down on Oak Street.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 28-JUN-20 16:10:00 to 28-JUN-20 16:10:00 (EST-5)
Location: NORTH WILBRAHAM
Magnitude: 50.00 EG
Property damage: 0.80K
Crop damage: 0.00K
Reported by: Amateur Radio

In Wilbraham, a large tree and wires were down on Mountain Road.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:20:00 to 28-JUN-20 16:20:00 (EST-5)
Location: PONKAPOG
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Canton, a large tree was down on Elm Street.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:35:00 to 28-JUN-20 16:35:00 (EST-5)
Location: PLIMPTONVILLE
Magnitude: 50.00 EG
Property damage: 0.30K
Crop damage: 0.00K
Reported by: Amateur Radio

In Walpole, wires were down on Bullard Street.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:44:00 to 28-JUN-20 16:44:00 (EST-5)
Location: AVON
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Avon, a tree was down on North Main Street.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 28-JUN-20 17:05:00 to 28-JUN-20 17:05:00 (EST-5)
Location: IRONSBONE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Uxbridge, a tree was down on Paine Street.

Flood in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:33:00 to 28-JUN-20 12:33:00 (EST-5)
Location: WATERTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Flooding reported on Howard Street with one of the manhole covers starting to float.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 28-JUN-20 16:50:00 to 28-JUN-20 16:50:00 (EST-5)
Location: MONTELLO
Magnitude: 50.00 EG
Property damage: 2.40K
Crop damage: 0.00K
Reported by: Amateur Radio

In Brockton, a tree and wires were down on Ridge Street, on Spark Street, and on Circle Street.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 28-JUN-20 17:00:00 to 28-JUN-20 17:00:00 (EST-5)
Location: WEST ABINGTON
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Abington, two trees were down on Davis Street...one of them landing on a house and a car.

Flood in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:37:00 to 28-JUN-20 12:37:00 (EST-5)
Location: NONANTUM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Waltham, Main Street from Beal Road to Bowker Rod was flooded and impassable.

Flood in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:44:00 to 28-JUN-20 12:44:00 (EST-5)
Location: NEWTON
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Newton, urban flooding caused two cars to have to be removed from flood waters near 100 Walnut Street.  Also, Adams Street was flooded and impassable from Watertown Street (Route 16) to Cottage Court.

Flood in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:48:00 to 28-JUN-20 12:48:00 (EST-5)
Location: WALNUT HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Woburn, there was flooding at the corner of Olympia Avenue and Wildwood Avenue.

Flood in SUFFOLK, MASSACHUSETTS
From 28-JUN-20 13:14:00 to 28-JUN-20 13:14:00 (EST-5)
Location: BACK BAY ANNEX
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Roxbury, Cedar street was flooded for 3 to 4 blocks due to a catch basin.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 13:30:00 to 28-JUN-20 13:30:00 (EST-5)
Location: RESERVOIR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Brookline, Warwick Road at Beacon Street was closed due to flooding.

Flood in SUFFOLK, MASSACHUSETTS
From 28-JUN-20 13:35:00 to 28-JUN-20 13:35:00 (EST-5)
Location: BRIGHTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Brighton, street flooding was reported at the 90 block of Strathmore Road.

Flood in HAMPDEN, MASSACHUSETTS
From 28-JUN-20 14:32:00 to 28-JUN-20 14:32:00 (EST-5)
Location: HOLYOKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Holyoke, flooding was reported at the intersection of Commercial Street and Sargeant Street.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 15:40:00 to 28-JUN-20 16:21:00 (EST-5)
Location: NORWOOD
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 340 PM EST (440 PM EDT) a section of Route 1 was flooded with up to 1 foot of water.  At 346 PM EST, Broadway was reported to be flooded and impassable.  At 402 PM EST, four feet of water was reported in the basement of Norwood Hospital.

Flash Flood in PLYMOUTH, MASSACHUSETTS
From 28-JUN-20 17:00:00 to 28-JUN-20 17:00:00 (EST-5)
Location: BROCKTON HGTS
Flood cause: Heavy Rain
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Brockton, a Jeep was stuck in flood waters on Torrey Street at Calvin Street.  A car was stuck in flood waters on Ames Street.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:10:00 to 28-JUN-20 16:10:00 (EST-5)
Location: STOUGHTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Stoughton, flooding was reported on Pearl Street.

Flash Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 17:06:00 to 28-JUN-20 17:16:00 (EST-5)
Location: PLUMMER CORNER
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Northbridge, multiple backyards and basements were flooded on both Brook Street and on Douglas Road.  Two apartments were flooded on Willow Street.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 17:16:00 to 28-JUN-20 17:16:00 (EST-5)
Location: WAMPUM CORNER
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Wrentham, there was a report of a flooded basement on Chestnut Street.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:27:00 to 28-JUN-20 16:27:00 (EST-5)
Location: ENDICOTT
Flood cause: Heavy Rain
Property damage: 0.70K
Crop damage: 0.00K
Reported by: Amateur Radio

A car was stuck in flood waters on East Street.

Flash Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 16:22:00 to 28-JUN-20 17:30:00 (EST-5)
Location: NORWOOD
Flood cause: Heavy Rain
Property damage: 30.00M
Crop damage: 0.00K
Reported by: Emergency Manager

A Flash Flood emergency occurred, with considerable damage in the vicinity of Norwood Hospital. Severe flooding, more than 4 feet deep, occurred in the basement of the hospital. The entire pharmacy inventory was destroyed. One hundred patients had to be evacuated. Numerous cars were submerged in the parking lot, which, albeit, is in a 'bowl' not designed with flooding in mind. Damage to the hospital was estimated at $20,000,000. In addition, emergency management officials said that approximately 250 homes suffered flood damage.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 17:18:00 to 28-JUN-20 17:18:00 (EST-5)
Location: MEDWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Franklin, a portion of Brook Street was flooded and impassable.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 17:18:00 to 28-JUN-20 17:18:00 (EST-5)
Location: SOUTH BELLINGHAM
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Franklin, a basement was flooded on Washington Street.

Flash Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 17:19:00 to 28-JUN-20 17:19:00 (EST-5)
Location: BLACKSTONE
Flood cause: Heavy Rain
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Blackstone, two cars were stuck in flood waters on Rathbun Street. Roadway was impassable.

Flood in BRISTOL, MASSACHUSETTS
From 28-JUN-20 17:19:00 to 28-JUN-20 17:19:00 (EST-5)
Location: ATTLEBORO FALLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In North Attleboro, roadway flooding was reported at Landry Avenue and Kelley Blvd. (Route 152).

Flash Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 17:36:00 to 28-JUN-20 17:36:00 (EST-5)
Location: IRONSBONE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Uxbridge, many sections of Quaker Highway (Route 146A) were flooded, with debris across the road. Also, Route 122 was flooded, with rocks in the road.

Flood in NORFOLK, MASSACHUSETTS
From 28-JUN-20 17:45:00 to 28-JUN-20 17:45:00 (EST-5)
Location: FRANKLIN
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Franklin, a flooded basement was reported on Jordan Road.  Street flooding was reported on Sargent Lane at Dartmouth Road.

Flood in WORCESTER, MASSACHUSETTS
From 28-JUN-20 18:18:00 to 28-JUN-20 19:15:00 (EST-5)
Location: GARDNER
Flood cause: Heavy Rain
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Gardner, there were many areas of flooding.  There was one foot of water on a section of Route 2A at 618 PM EST.  A car was stuck in flooding on Timpany Blvd. at 643 PM EST.  Chestnut Street at Union Square was flooded and impassable at 648 PM EST.  A basement was flooded on Dean Street at 658 PM EST.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 28-JUN-20 12:50:00 to 28-JUN-20 12:53:00 (EST-5)
Location: WATERTOWN
Magnitude: 55.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Newton at 1250 PM EST (150 PM EDT), police responded to a report of a tree down at the intersection of Charlesbank Road and Nonantum Road.  At the same time, a tree was reported down on Border Street in West Newton.  On Pleasant Street, a tree was down against a house, with wires also down.  At 1253 PM EST (153 PM EDT), a tree and power lines were down on Carver Road near Newton Highlands.