A weak area of low pressure was traveling across the eastern Great Lakes during the early morning hours of July 16th. There was enough marginal instability that showers in the eastern Great Lakes developed into a few strong thunderstorms as they moved north-northeast across Lake Ontario and eastern Ontario province in Canada toward the St.
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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 BTV wrote it up.
A weak area of low pressure was traveling across the eastern Great Lakes during the early morning hours of July 16th. There was enough marginal instability that showers in the eastern Great Lakes developed into a few strong thunderstorms as they moved north-northeast across Lake Ontario and eastern Ontario province in Canada toward the St. Lawrence Valley of NY. One rogue thunderstorm produced some marginal wind damage in the form of downed trees and branches in the Waddington-Madrid area.
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 Burlington, VT wrote its last area forecast discussion before the first event at Jul 16, 2:50 AM EST, 43 minutes earlier.
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</html>The Ft Drum radar (KTYX), 121 km away, was scanning. The volume nearest the first event began at 08:31 UTC.
1 thunderstorm wind. Local standard time, as filed.
Several trees and branches downed by thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2023Every state in 2023This day in weather historyWarnings in New York, July 2023
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: 1125972.