The interaction between a nearly stationary frontal boundary across central New York State and northern New England, and a very warm, moist and unstable air mass, led to the development of numerous showers and thunderstorms Sunday afternoon and evening on July 20th. Some of the thunderstorms were severe.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ALY wrote it up.
The interaction between a nearly stationary frontal boundary across central New York State and northern New England, and a very warm, moist and unstable air mass, led to the development of numerous showers and thunderstorms Sunday afternoon and evening on July 20th. Some of the thunderstorms were severe.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Albany, NY wrote its last area forecast discussion before the first event at Jul 20, 12:57 PM EST, 2 hours 51 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ALBANY NY 220 PM EDT SUN JUL 20 2008 CTZ001-013-MAZ001-025-NYZ032-038>041-043-047>054-058>061-063>066-082- 084-VTZ013>015-211100- NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN BERKSHIRE- SOUTHERN BERKSHIRE-NORTHERN HERKIMER-SOUTHERN HERKIMER- SOUTHERN FULTON-MONTGOMERY-NORTHERN SARATOGA-NORTHERN WASHINGTON- SCHOHARIE-WESTERN SCHENECTADY-EASTERN SCHENECTADY-SOUTHERN SARATOGA- WESTERN ALBANY-EASTERN ALBANY-WESTERN RENSSELAER-EASTERN RENSSELAER- WESTERN GREENE-EASTERN GREENE-WESTERN COLUMBIA-EASTERN COLUMBIA- WESTERN ULSTER-EASTERN ULSTER-WESTERN DUTCHESS-EASTERN DUTCHESS- NORTHERN FULTON-SOUTHERN WASHINGTON-BENNINGTON-WESTERN WINDHAM- EASTERN WINDHAM- 220 PM EDT SUN JUL 20 2008 ...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING... ...SEVERE THUNDERSTORM WATCH 709 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN VERMONT...THE BERKSHIRES...LITCHFIELD HILLS AND EAST CENTRAL NEW YORK EXPECT WARREN AND HAMILTON COUNTIES. .DAY ONE...THIS AFTERNOON AND TONIGHT... PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. THUNDERSTORMS ARE POSSIBLE MONDAY THROUGH WEDNESDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION IS REQUESTED FOR THE FOLLOWING COUNTIES...ALBANY...HERKIMER...SARATOGA...FULTON...MONTGOMERY... SCHENECTADY...WASHINGTON...RENSSELAER...SCHOHARIE...GREENE... COLUMBIA...ULSTER...DUTCHESS...BERKSHIRE... LITCHFIELD...BENNINGTON AND WINDHAM. NYZ033-042-083-211100- HAMILTON-NORTHERN WARREN-SOUTHEAST WARREN- 220 PM EDT SUN JUL 20 2008 ...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR HAMILTON AND WARREN COUNTIES. .DAY ONE...THIS AFTERNOON AND TONIGHT... PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. THUNDERSTORMS ARE POSSIBLE MONDAY THROUGH WEDNESDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
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</html>The Albany radar (KENX), 60 km away, was scanning. The volume nearest the first event began at 20:45 UTC.
6 thunderstorm wind, 2 hail. Local standard time, as filed.
Trees were reportedly down on wires in Mayfield due to strong thunderstorm winds.
Trees and wires were reported down on Russia Road in Poland due to strong thunderstorm winds. In addition, part of a cornfield and hayfield were reportedly flattened due to these winds.
A tree was reported down on a vehicle on Church Street in Mohawk, along with downed wires, due to strong thunderstorm winds.
Five trees were reported down on Charlton Road in Charlton due to strong thunderstorm winds.
Trees were reported down near Ballston Lake due to strong thunderstorm winds.
Penny size hail was reported in Round Lake during a thunderstorm.
Quarter size hail was reported near exit 10 of the Adirondack Northway, or Interstate 87, in Round Lake during a thunderstorm.
Trees were reported down in Mechanicville due to strong thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2008Every state in 2008This day in weather historyWarnings in New York, July 2008
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 126062, 126064, 126066, 126067, 126069, 126073, 126075, 126076.