A weak stationary front traversed eastern New York and western New England during Thursday May 31st. This front then gradually lifted to the northeast as a warm front by late Thursday afternoon and evening.
This front, combined with several weak upper level atmospheric disturbances passing through, produced numerous showers and thunderstorms across the region, some of which became locally severe Thursday afternoon and evening.

Hail in HERKIMER, NEW YORK
From 31-MAY-07 13:45:00 to 31-MAY-07 13:45:00 (EST-5)
Location: RUSSIA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail was reported during a thunderstorm in Russia.

Thunderstorm Wind in SARATOGA, NEW YORK
From 31-MAY-07 14:04:00 to 31-MAY-07 14:04:00 (EST-5)
Location: CHARLTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Two trees were reported down due to thunderstorm winds in Charlton.

Hail in HERKIMER, NEW YORK
From 31-MAY-07 14:12:00 to 31-MAY-07 14:12:00 (EST-5)
Location: RUSSIA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail fell in Russia during a thunderstorm.

Hail in ALBANY, NEW YORK
From 31-MAY-07 14:53:00 to 31-MAY-07 14:53:00 (EST-5)
Location: ALBANY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A thunderstorm produced penny size hail at the NWS office near SUNY Albany.

Hail in RENSSELAER, NEW YORK
From 31-MAY-07 15:05:00 to 31-MAY-07 15:05:00 (EST-5)
Location: EAST GREENBUSH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported during a thunderstorm in East Greenbush.

Hail in RENSSELAER, NEW YORK
From 31-MAY-07 15:10:00 to 31-MAY-07 15:10:00 (EST-5)
Location: POESTENKILL
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail was reported during a thunderstorm in Poestenkill.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 31-MAY-07 15:35:00 to 31-MAY-07 15:35:00 (EST-5)
Location: NORTH CHATHAM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees and wires were reported down from thunderstorm winds on Route 32 in North Chatham.

Thunderstorm Wind in RENSSELAER, NEW YORK
From 31-MAY-07 15:05:00 to 31-MAY-07 15:05:00 (EST-5)
Location: WEST SAND LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were reported down from thunderstorm winds in West Sand Lake.
In addition, a police officer and firefighter were both injured in North Greenbush while rescuing 2 people from an auto accident during a thunderstorm, as a large limb from a maple tree fell on them due to strong winds. The police officer was hit on the head, and stayed in the hospital overnight for observation, while the firefighter was hit on the arm and stomach, and was treated and released from the hospital.

Hail in ALBANY, NEW YORK
From 31-MAY-07 14:55:00 to 31-MAY-07 14:55:00 (EST-5)
Location: ALBANY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Penny size hail was reported during a thunderstorm on Watervliet Avenue in Albany.