Alert archive / New York / Flash Flood Warnings / 2021
Flash Flood Warnings in New York, July 2021
54 flash flood warnings in July 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 warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in July 2021. Tap one for its archive.
- Flash Flood Warnings
- 54
- Busiest day
- July 12, 20218 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Jul 1, 10:28 PM EDT | Flash Flood Warning | BUF | Genesee | 93 min |
| Jul 2, 3:30 PM EDT | Flash Flood Warning | OKX | Queens | 90 min |
| Jul 2, 8:11 PM EDT | Flash Flood Warning | BGM | Broome | 3 hr |
| Jul 2, 8:26 PM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 94 min |
| Jul 3, 6:12 PM EDT | Flash Flood Warning | BGM | Delaware | 2 hr |
| Jul 6, 2:16 PM EDT | Flash Flood Warning | BUF | Erie | 3 hr |
| Jul 7, 8:21 PM EDT | Flash Flood Warning | BGM | Steuben | 2 hr |
| Jul 7, 8:39 PM EDT | Flash Flood Warning | BUF | Allegany | 3 hr |
| Jul 8, 10:54 AM EDT | Flash Flood Warning | ALY | Columbia, Dutchess, Greene, Ulster | 3 hr |
| Jul 8, 3:15 PM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 3 hr |
| Jul 8, 3:53 PM EDT | Flash Flood Warning | OKX | Bronx, Kings, Nassau, New York, Queens, Westchester | 3 hr |
| Jul 8, 4:53 PM EDT | Flash Flood Warning | BUF | Monroe, Wayne | 3 hr |
| Jul 8, 5:06 PM EDT | Flash Flood Warning | OKX | Bronx, New York, Westchester | 3 hr |
| Jul 9, 8:08 AM EDT | Flash Flood Warning | ALY | Dutchess | 4 hr |
| Jul 9, 8:56 AM EDT | Flash Flood Warning | OKX | Nassau, Suffolk, Westchester | 3 hr |
| Jul 9, 9:44 AM EDT | Flash Flood Warning | OKX | Suffolk | 2 hr |
| Jul 11, 7:20 PM EDT | Flash Flood Warning | BGM | Broome, Chenango, Tioga | 5 hr |
| Jul 11, 9:20 PM EDT | Flash Flood Warning | BGM | Chenango, Delaware, Otsego | 2 hr |
| Jul 11, 10:16 PM EDT | Flash Flood Warning | ALY | Schoharie | 3 hr |
| Jul 12, 1:11 AM EDT | Flash Flood Warning | BGM | Cayuga, Seneca, Tompkins | 3 hr |
| Jul 12, 6:06 AM EDT | Flash Flood Warning | BGM | Sullivan | 3 hr |
| Jul 12, 4:38 PM EDT | Flash Flood Warning | BGM | Steuben | 77 min |
| Jul 12, 6:09 PM EDT | Flash Flood Warning | OKX | Orange, Rockland | 3 hr |
| Jul 12, 6:37 PM EDT | Flash Flood Warning | BGM | Broome, Tioga | 3 hr |
| Jul 12, 7:05 PM EDT | Flash Flood Warning | BGM | Chemung, Tioga | 3 hr |
| Jul 12, 8:29 PM EDT | Flash Flood Warning | BGM | Broome, Delaware, Sullivan | 2 hr |
| Jul 14, 4:07 AM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie | 3 hr |
| Jul 14, 3:44 PM EDT | Flash Flood Warning | ALY | Rensselaer | 2 hr |
| Jul 14, 4:14 PM EDT | Flash Flood Warning | ALY | Rensselaer | 3 hr |
| Jul 14, 4:49 PM EDT | Flash Flood Warning | ALY | Rensselaer | 3 hr |
| Jul 14, 7:06 PM EDT | Flash Flood Warning | ALY | Columbia | 3 hr |
| Jul 16, 2:13 PM EDT | Flash Flood Warning | BUF | Chautauqua | 5 hr |
| Jul 16, 2:59 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 4 hr |
| Jul 17, 7:59 AM EDT | Flash Flood Warning | BUF | Chautauqua | 3 hr |
| Jul 17, 3:15 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Erie | 6 hr |
| Jul 17, 4:55 PM EDT | Flash Flood Warning | BGM | Delaware, Sullivan | 4 hr |
| Jul 17, 5:31 PM EDT | Flash Flood Warning | ALY | Columbia, Dutchess | 4 hr |
| Jul 17, 7:23 PM EDT | Flash Flood Warning | BGM | Broome, Chenango, Delaware, Otsego | 2 hr |
| Jul 17, 8:12 PM EDT | Flash Flood Warning | ALY | Dutchess | 3 hr |
| Jul 17, 8:24 PM EDT | Flash Flood Warning | BGM | Steuben | 114 min |
| Jul 17, 8:27 PM EDT | Flash Flood Warning | BGM | Otsego | 77 min |
| Jul 17, 8:41 PM EDT | Flash Flood Warning | BGM | Sullivan | 113 min |
| Jul 18, 4:49 PM EDT | Flash Flood Warning | ALY | Columbia | 3 hr |
| Jul 19, 3:34 PM EDT | Flash Flood Warning | BGM | Oneida | 4 hr |
| Jul 19, 6:03 PM EDT | Flash Flood Warning | ALY | Fulton, Montgomery | 5 hr |
| Jul 20, 4:49 PM EDT | Flash Flood Warning | BUF | Niagara | 6 hr |
| Jul 20, 6:21 PM EDT | Flash Flood Warning | BUF | Erie, Niagara | 4 hr |
| Jul 20, 6:55 PM EDT | Flash Flood Warning | BGM | Oneida | 49 min |
| Jul 20, 8:28 PM EDT | Flash Flood Warning | BGM | Chenango, Otsego | 2 hr |
| Jul 20, 8:49 PM EDT | Flash Flood Warning | BGM | Steuben | 3 hr |
| Jul 20, 9:28 PM EDT | Flash Flood Warning | BGM | Broome, Chenango | 3 hr |
| Jul 20, 10:54 PM EDT | Flash Flood Warning | BGM | Chemung | 3 hr |
| Jul 29, 7:50 PM EDT | Flash Flood Warning | ALY | Saratoga, Washington | 115 min |
| Jul 29, 8:48 PM EDT | Flash Flood Warning | ALY | Rensselaer, Washington | 117 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Broome County6
- Westchester County5
- Delaware County5
- Chenango County5
- Erie County4
- Steuben County4
- Columbia County4
- Dutchess County4
- Otsego County4
- Sullivan County4
- Chautauqua County4
- Rensselaer County4
- Rockland County3
- Tioga County3
- Cattaraugus County3
- Queens County2
- Bronx County2
- Nassau County2
- New York County2
- Suffolk County2
- Chemung County2
- Oneida County2
- Niagara County2
- Washington County2
- Genesee County1
- Allegany County1
- Greene County1
- Ulster County1
- Kings County1
- Monroe County1
- Wayne County1
- Schoharie County1
- Cayuga County1
- Seneca County1
- Tompkins County1
- Orange County1
- Fulton County1
- Montgomery County1
- Saratoga County1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.