Severe thunderstorms developed mainly during the early to mid afternoon hours ahead of an approaching cold front and upper level disturbance on Monday, August 16th. A series of microbursts occurred south of Poughkeepsie.

Thunderstorm Wind in ALBANY, NEW YORK
From 16-AUG-10 12:15:00 to 16-AUG-10 12:15:00 (EST-5)
Location: SOUTH WESTERLO
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large trees were reported downed and a power pole snapped near the intersection of County Road 405 and County Road 403 in South Westerlo due to strong thunderstorm winds.

Thunderstorm Wind in GREENE, NEW YORK
From 16-AUG-10 12:30:00 to 16-AUG-10 12:30:00 (EST-5)
Location: MEDWAY
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree and wires were reported down on a house in Medway due to strong thunderstorm winds.

Thunderstorm Wind in GREENE, NEW YORK
From 16-AUG-10 12:34:00 to 16-AUG-10 12:34:00 (EST-5)
Location: WEST COXSACKIE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wires were reported down in Coxsackie due to strong thunderstorm winds.

Thunderstorm Wind in GREENE, NEW YORK
From 16-AUG-10 12:37:00 to 16-AUG-10 12:37:00 (EST-5)
Location: NEW BALTIMORE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and wires were reported down in New Baltimore due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 16-AUG-10 12:39:00 to 16-AUG-10 12:39:00 (EST-5)
Location: POOLSBURG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was reported down on wires at the intersection of Route 9J and Ridge Road, approximately 2 miles south of Schodack Landing due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 16-AUG-10 12:42:00 to 16-AUG-10 12:42:00 (EST-5)
Location: NORTH CHATHAM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A large tree and wires were reported down across Bunker Hill Road in North Chatham due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 16-AUG-10 12:45:00 to 16-AUG-10 12:48:00 (EST-5)
Location: NORTH CHATHAM
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

An estimated wind gust of 65 mph was reported by a storm chaser during a thunderstorm in Niverville. Also, a tree was reported down on wires.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 16-AUG-10 12:48:00 to 16-AUG-10 12:48:00 (EST-5)
Location: CHATHAM CENTER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Power lines were reported down near Route 13 in Chatham due to strong thunderstorm winds.

Hail in COLUMBIA, NEW YORK
From 16-AUG-10 13:00:00 to 16-AUG-10 13:05:00 (EST-5)
Location: STATE LINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported during a thunderstorm approximately 3 miles northeast of Austerlitz.

Thunderstorm Wind in DUTCHESS, NEW YORK
From 16-AUG-10 14:06:00 to 16-AUG-10 14:16:00 (EST-5)
Location: RUDCO
Magnitude: 87.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

NWS Storm Survey observed numerous trees down southeast of Poughkeepsie from near the Route 9 and Spackenkill Road intersection eastward for 5 miles. Most of the damage was from the Route 9 and Spackenkill Road intersection eastward for one mile. East of there, damage was spotty and extended as far east as Old Smith Road.
Maximum wind speeds based on tree damage were estimated at 100 mph.

Hail in COLUMBIA, NEW YORK
From 16-AUG-10 13:02:00 to 16-AUG-10 13:07:00 (EST-5)
Location: FLATBROOK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter size hail was reported during a thunderstorm in Canaan Center. Visibility was reported to be zero during the hail.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 16-AUG-10 13:02:00 to 16-AUG-10 13:02:00 (EST-5)
Location: LEBANON SPGS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was reported down across Route 22 in New Lebanon due to strong thunderstorm winds.

Thunderstorm Wind in ULSTER, NEW YORK
From 16-AUG-10 13:59:00 to 16-AUG-10 13:59:00 (EST-5)
Location: PLATTEKILL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Numerous trees and wires were reported down in Plattekill due to strong thunderstorm winds.

Hail in HERKIMER, NEW YORK
From 16-AUG-10 07:03:00 to 16-AUG-10 07:08:00 (EST-5)
Location: CEDAR LAKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail was reported during a thunderstorm in Cedar Lake. Hail completely covered the ground.

Thunderstorm Wind in HERKIMER, NEW YORK
From 16-AUG-10 07:06:00 to 16-AUG-10 07:06:00 (EST-5)
Location: CEDARVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two trees were reported down in Cedarville due to strong thunderstorm winds.

Thunderstorm Wind in HERKIMER, NEW YORK
From 16-AUG-10 07:12:00 to 16-AUG-10 07:12:00 (EST-5)
Location: MOHAWK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down in Mohawk due to strong thunderstorm winds.