A weak cold front moved across east central New York Monday afternoon and evening, August 1st. The airmass became very unstable, particularly across the mid Hudson Valley. Cold air moved in aloft and supported large hail during the afternoon, with damaging winds occurring during the late evening.

Hail in GREENE, NEW YORK
From 01-AUG-11 13:45:00 to 01-AUG-11 13:47:00 (EST-5)
Location: COXSACKIE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported during a thunderstorm in Coxsackie.

Hail in COLUMBIA, NEW YORK
From 01-AUG-11 14:10:00 to 01-AUG-11 14:12:00 (EST-5)
Location: STUYVESANT
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported during a thunderstorm in Stuyvesant.

Hail in COLUMBIA, NEW YORK
From 01-AUG-11 14:15:00 to 01-AUG-11 14:20:00 (EST-5)
Location: HUDSON
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Public

Ping-pong ball to golf ball size hail was reported during a thunderstorm in Hudson.

Hail in COLUMBIA, NEW YORK
From 01-AUG-11 14:17:00 to 01-AUG-11 14:19:00 (EST-5)
Location: LORENZ PARK
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size (measured) hail was reported during a thunderstorm in Greenport Center.

Hail in COLUMBIA, NEW YORK
From 01-AUG-11 15:10:00 to 01-AUG-11 15:12:00 (EST-5)
Location: MANORTON
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported during a thunderstorm approximately 2 miles east-southeast of Clermont.

Hail in COLUMBIA, NEW YORK
From 01-AUG-11 15:20:00 to 01-AUG-11 15:22:00 (EST-5)
Location: WEST TAGHKANIC
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: NWS Employee

Quarter size (measured) hail was reported during a thunderstorm approximately 2 miles south-southeast of Livingston.

Hail in DUTCHESS, NEW YORK
From 01-AUG-11 15:54:00 to 01-AUG-11 15:56:00 (EST-5)
Location: HYDE PARK
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported during a thunderstorm in Hyde Park.

Hail in DUTCHESS, NEW YORK
From 01-AUG-11 15:55:00 to 01-AUG-11 15:55:00 (EST-5)
Location: BILLINGS
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail (measured) was reported during a thunderstorm in LaGrangeville.

Hail in DUTCHESS, NEW YORK
From 01-AUG-11 16:11:00 to 01-AUG-11 16:13:00 (EST-5)
Location: BILLINGS
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported during a thunderstorm just east of LaGrangeville.

Hail in DUTCHESS, NEW YORK
From 01-AUG-11 16:29:00 to 01-AUG-11 16:31:00 (EST-5)
Location: HIBERNIA
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported during a thunderstorm in Salt Point.

Hail in COLUMBIA, NEW YORK
From 01-AUG-11 14:20:00 to 01-AUG-11 14:22:00 (EST-5)
Location: CLAVERACK
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Public

Half dollar to golf ball size hail was reported during a thunderstorm in Claverack.

Hail in DUTCHESS, NEW YORK
From 01-AUG-11 15:45:00 to 01-AUG-11 15:50:00 (EST-5)
Location: PLEASANT VLY
Magnitude: 1.50 
Crop damage: 0.00K
Reported by: Public

Quarter to ping-pong ball size size hail was reported during a thunderstorm just south of Pleasant Valley.

Thunderstorm Wind in ULSTER, NEW YORK
From 01-AUG-11 22:59:00 to 01-AUG-11 22:59:00 (EST-5)
Location: STONY HOLLOW
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were reported down along Route 28 in Hurley due to strong thunderstorm winds.

Thunderstorm Wind in ULSTER, NEW YORK
From 01-AUG-11 22:21:00 to 01-AUG-11 22:21:00 (EST-5)
Location: ULSTER HGTS
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down on Geiger Road in Ellenville due to strong thunderstorm winds.

Thunderstorm Wind in ULSTER, NEW YORK
From 01-AUG-11 22:36:00 to 01-AUG-11 22:36:00 (EST-5)
Location: ELLENVILLE
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down on Mountain Road just south of Ellenville due to strong thunderstorm winds.