Jul 23, 1999
Scattered thunderstorms developed in an unstable air mass during the afternoon of July 23 in the Mohawk Valley. Both of the thunderstorms cells become severe. One produced wind gusts strong enough to down trees at Fort Johnson, the other in Amsterdam. In addition, torrential rains spawned flooding on a few of the streets in Amsterdam.
Source: NOAA National Weather Service Storm Events Database (event 5707239). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Montgomery County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.