An unseasonably cold upper atmospheric air mass with lots of wind energy interacted with a marginally unstable air mass and mid-atmospheric disturbance to produce thunderstorms in eastern NY that intensified as they moved across Vermont during the afternoon of May 31st.  Scattered wind damage occurred as well as some reports of hail up to 1 inch in diameter.

Hail in CHITTENDEN, VERMONT
From 31-MAY-17 13:50:00 to 31-MAY-17 13:50:00 (EST-5)
Location: COLCHESTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One inch diameter hail reported at Colchester PD.

Thunderstorm Wind in CHITTENDEN, VERMONT
From 31-MAY-17 13:50:00 to 31-MAY-17 13:52:00 (EST-5)
Location: COLCHESTER
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Tree and large branches down along East Rd.

Thunderstorm Wind in CHITTENDEN, VERMONT
From 31-MAY-17 14:25:00 to 31-MAY-17 14:25:00 (EST-5)
Location: RICHMOND
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Utility Company

Several trees and wires down on utility lines in Richmond.

Hail in ADDISON, VERMONT
From 31-MAY-17 14:54:00 to 31-MAY-17 14:54:00 (EST-5)
Location: CHIPMANS PT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail reported.

Hail in CALEDONIA, VERMONT
From 31-MAY-17 15:33:00 to 31-MAY-17 15:33:00 (EST-5)
Location: PASSUMPSIC
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Dime size hail reported.

Thunderstorm Wind in CALEDONIA, VERMONT
From 31-MAY-17 15:35:00 to 31-MAY-17 15:35:00 (EST-5)
Location: ST JOHNSBURY CENTER
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down on Severance Hill road.

Thunderstorm Wind in CALEDONIA, VERMONT
From 31-MAY-17 15:43:00 to 31-MAY-17 15:43:00 (EST-5)
Location: WEST WATERFORD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down along Route 18.

Thunderstorm Wind in ESSEX, VERMONT
From 31-MAY-17 15:50:00 to 31-MAY-17 15:50:00 (EST-5)
Location: CONCORD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Trees down on roadway.

Hail in WINDSOR, VERMONT
From 31-MAY-17 16:30:00 to 31-MAY-17 16:30:00 (EST-5)
Location: WILDER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Quarter size hail near the Hartford town line.

Thunderstorm Wind in RUTLAND, VERMONT
From 31-MAY-17 15:23:00 to 31-MAY-17 15:23:00 (EST-5)
Location: CASTLETON
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down on Hubbarton Road.

Thunderstorm Wind in WASHINGTON, VERMONT
From 31-MAY-17 14:35:00 to 31-MAY-17 14:35:00 (EST-5)
Location: DUXBURY
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large branches downed power lines and transformer along Route 2 between Waterbury Center and Middlesex. Tree down along Interstate 89 as well.

Hail in CALEDONIA, VERMONT
From 31-MAY-17 14:52:00 to 31-MAY-17 14:52:00 (EST-5)
Location: HARDWICK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail reported.

Hail in CALEDONIA, VERMONT
From 31-MAY-17 15:05:00 to 31-MAY-17 15:05:00 (EST-5)
Location: EAST HARDWICK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail reported.

Thunderstorm Wind in LAMOILLE, VERMONT
From 31-MAY-17 14:40:00 to 31-MAY-17 14:40:00 (EST-5)
Location: STOWE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A few trees down along Route 108 near Town Farm Lane.