A tropical and very unstable airmass was in place across the area. An upper level disturbance moved over the region ahead of a slow moving cold front Friday afternoon, August 21st, triggering widespread severe thunderstorms, mainly south and east of the Capital District.

Thunderstorm Wind in SCHENECTADY, NEW YORK
From 21-AUG-09 12:10:00 to 21-AUG-09 12:10:00 (EST-5)
Location: SCHENECTADY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Thunderstorm Wind in RENSSELAER, NEW YORK
From 21-AUG-09 12:15:00 to 21-AUG-09 12:15:00 (EST-5)
Location: BUSKIRK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Thunderstorm Wind in WASHINGTON, NEW YORK
From 21-AUG-09 12:30:00 to 21-AUG-09 12:30:00 (EST-5)
Location: CAMBRIDGE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

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

Thunderstorm Wind in RENSSELAER, NEW YORK
From 21-AUG-09 13:15:00 to 21-AUG-09 13:15:00 (EST-5)
Location: JOHNSONVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several large tree limbs were reported down in Johnsonville due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 21-AUG-09 13:30:00 to 21-AUG-09 13:30:00 (EST-5)
Location: LIVINGSTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple trees and wires were reported down in Columbia due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 21-AUG-09 14:15:00 to 21-AUG-09 14:15:00 (EST-5)
Location: CLAVERACK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were reported down in Claverack due to strong thunderstorm winds.

Flash Flood in COLUMBIA, NEW YORK
From 21-AUG-09 15:00:00 to 21-AUG-09 17:00:00 (EST-5)
Location: HUDSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water was reported over Route 9G in Hudson due to heavy rainfall.

Lightning in ALBANY, NEW YORK
From 21-AUG-09 12:00:00 to 21-AUG-09 12:00:00 (EST-5)
Location: ROESSLEVILLE
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

The SpringHill Suites Hotel in Colonie was struck by lightning, leaving a hole in the roof.

Flash Flood in ALBANY, NEW YORK
From 21-AUG-09 13:00:00 to 21-AUG-09 14:20:00 (EST-5)
Location: ALBANY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Several roads were closed closed due to high water from heavy rains in Albany and Guilderland, including but not limited to Western Avenue at Manning Boulevard and at Fuller Road, and Central Avenue at the Interstate 90 overpass.

Thunderstorm Wind in SARATOGA, NEW YORK
From 21-AUG-09 11:55:00 to 21-AUG-09 11:55:00 (EST-5)
Location: CLIFTON PARK
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Fifteen trees and 2 high tension towers were reported down on Vosburgh Road and Stone Crest Drive in Clifton Park due to strong thunderstorm winds.

Thunderstorm Wind in SCHENECTADY, NEW YORK
From 21-AUG-09 12:00:00 to 21-AUG-09 12:00:00 (EST-5)
Location: CARMAN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and wires were reported down due to strong thunderstorm winds, including a tree at 2032 State Street, Route 5, which pulled down wires and set the tree on fire.

Thunderstorm Wind in ULSTER, NEW YORK
From 21-AUG-09 14:22:00 to 21-AUG-09 14:22:00 (EST-5)
Location: SAWKILL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees and wires were reported down approximately 5 miles north northwest of Kingston due to strong thunderstorm winds.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 21-AUG-09 14:40:00 to 21-AUG-09 14:40:00 (EST-5)
Location: CLAVERACK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

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

Thunderstorm Wind in COLUMBIA, NEW YORK
From 21-AUG-09 14:47:00 to 21-AUG-09 14:47:00 (EST-5)
Location: LIVINGSTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wires and tree limbs were reported down in Livingston due to strong thunderstorm winds.

Thunderstorm Wind in DUTCHESS, NEW YORK
From 21-AUG-09 15:04:00 to 21-AUG-09 15:04:00 (EST-5)
Location: BILLINGS
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a measured wind gust of 61 mph in Lagrangeville during a thunderstorm.

Thunderstorm Wind in COLUMBIA, NEW YORK
From 21-AUG-09 15:10:00 to 21-AUG-09 15:10:00 (EST-5)
Location: CLAVERACK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees were reported down in Claverack due to strong thunderstorm winds. State Route 23 and State Route 23B were closed due to multiple trees down. Twenty houses were damaged by fallen trees.

Thunderstorm Wind in DUTCHESS, NEW YORK
From 21-AUG-09 15:10:00 to 21-AUG-09 15:10:00 (EST-5)
Location: POUGHQUAG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous large tree limbs were reported down in Poughquag due to strong thunderstorm winds.

Thunderstorm Wind in GREENE, NEW YORK
From 21-AUG-09 13:00:00 to 21-AUG-09 13:00:00 (EST-5)
Location: JEWETT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

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