Alert archive / New York / Flash Flood Watches
Flash Flood Watches in New York, 2021
36 flash flood watches in 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Flash Flood Watches
- 36
- Busiest month
- July16 flash flood watches
- Busiest day
- July 16, 20214 flash flood watches
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 1:10 PM EDT | Flash Flood Watch | ALY | Columbia, Dutchess, Greene, Ulster | 7 hr |
| Jul 1, 10:47 AM EDT | Flash Flood Watch | OKX | Bronx, Kings, Nassau, New York, Queens, Richmond and 1 more | 10 hr |
| Jul 7, 4:28 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 44 hr |
| Jul 8, 3:57 AM EDT | Flash Flood Watch | ALY | Columbia, Dutchess, Greene, Ulster | 32 hr |
| Jul 8, 9:33 AM EDT | Flash Flood Watch | BGM | Delaware, Sullivan | 25 hr |
| Jul 9, 12:43 PM EDT | Flash Flood Watch | OKX | Suffolk | 77 min |
| Jul 11, 3:31 AM EDT | Flash Flood Watch | BGM | Broome, Chemung, Chenango, Cortland, Madison, Oneida and 6 more | 30 hr |
| Jul 11, 3:52 AM EDT | Flash Flood Watch | ALY | Albany, Columbia, Dutchess, Fulton, Greene, Herkimer and 8 more | 45 hr |
| Jul 11, 4:24 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 35 hr |
| Jul 12, 9:02 AM EDT | Flash Flood Watch | BUF | Allegany, Cattaraugus, Chautauqua | 12 hr |
| Jul 12, 10:58 AM EDT | Flash Flood Watch | BGM | Broome, Chemung, Chenango, Delaware, Steuben, Sullivan and 1 more | 15 hr |
| Jul 13, 12:48 PM EDT | Flash Flood Watch | BGM | Broome, Chemung, Steuben, Tioga | 11 hr |
| Jul 16, 2:24 PM EDT | Flash Flood Watch | BGM | Broome, Cayuga, Chemung, Chenango, Cortland, Delaware and 11 more | 32 hr |
| Jul 16, 2:41 PM EDT | Flash Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 8 more | 32 hr |
| Jul 16, 2:43 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 37 hr |
| Jul 16, 3:16 PM EDT | Flash Flood Watch | ALY | Albany, Columbia, Dutchess, Fulton, Greene, Herkimer and 8 more | 55 hr |
| Jul 20, 5:31 PM EDT | Flash Flood Watch | BGM | Oneida | 3 hr |
| Aug 1, 3:18 AM EDT | Flash Flood Watch | ALY | Albany, Fulton, Hamilton, Herkimer, Montgomery, Rensselaer and 5 more | 19 hr |
| Aug 4, 3:38 PM EDT | Flash Flood Watch | OKX | Suffolk | 12 hr |
| Aug 17, 11:52 AM EDT | Flash Flood Watch | BGM | Broome, Cayuga, Chemung, Chenango, Cortland, Delaware and 11 more | 44 hr |
| Aug 17, 2:59 PM EDT | Flash Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Lewis, Livingston, Ontario and 2 more | 41 hr |
| Aug 18, 3:33 AM EDT | Flash Flood Watch | ALY | Albany, Fulton, Hamilton, Herkimer, Montgomery, Rensselaer and 5 more | 32 hr |
| Aug 18, 10:24 AM EDT | Flash Flood Watch | BTV | Essex | 29 hr |
| Aug 21, 3:31 PM EDT | Flash Flood Watch | BGM | Broome, Chenango, Cortland, Delaware, Madison, Otsego and 1 more | 48 hr |
| Aug 26, 3:35 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, New York, Queens, Richmond, Rockland and 1 more | 43 hr |
| Aug 30, 4:54 AM EDT | Flash Flood Watch | BGM | Broome, Delaware, Sullivan, Tioga | 70 hr |
| Aug 30, 3:06 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 63 hr |
| Aug 30, 3:14 PM EDT | Flash Flood Watch | ALY | Albany, Columbia, Dutchess, Greene, Rensselaer, Schoharie and 1 more | 61 hr |
| Sep 7, 3:25 PM EDT | Flash Flood Watch | OKX | Orange, Rockland | 35 hr |
| Sep 7, 3:28 PM EDT | Flash Flood Watch | BGM | Sullivan | 35 hr |
| Sep 22, 3:05 PM EDT | Flash Flood Watch | BGM | Broome, Chemung, Delaware, Steuben, Sullivan, Tioga | 37 hr |
| Sep 22, 3:21 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 35 hr |
| Sep 22, 4:01 PM EDT | Flash Flood Watch | ALY | Columbia, Dutchess, Greene, Ulster | 42 hr |
| Oct 24, 2:58 PM EDT | Flash Flood Watch | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 55 hr |
| Oct 25, 3:01 PM EDT | Flash Flood Watch | BGM | Broome, Chenango, Delaware, Otsego, Sullivan, Tioga | 33 hr |
| Oct 29, 2:55 PM EDT | Flash Flood Watch | BGM | Chemung, Steuben | 11 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sullivan County9
- Broome County9
- Bronx County8
- Kings County8
- New York County8
- Queens County8
- Richmond County8
- Westchester County8
- Rockland County8
- Delaware County8
- Tioga County8
- Nassau County7
- Orange County7
- Chemung County7
- Steuben County7
- Columbia County6
- Dutchess County6
- Greene County6
- Ulster County6
- Putnam County6
- Suffolk County6
- Chenango County6
- Otsego County5
- Albany County5
- Rensselaer County5
- Schoharie County5
- Cortland County4
- Madison County4
- Oneida County4
- Fulton County4
- Herkimer County4
- Montgomery County4
- Saratoga County4
- Schenectady County4
- Warren County4
- Washington County4
- Cayuga County4
- Onondaga County3
- Schuyler County3
- Tompkins County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.