Alert archive / New York / Flash Flood Warnings
Flash Flood Warnings in New York, 2018
99 flash flood warnings in 2018. 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 2018. Tap one for its archive.
- Flash Flood Warnings
- 99
- Busiest month
- August43 flash flood warnings
- Busiest day
- August 14, 201816 flash flood warnings
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 |
|---|---|---|---|---|
| Feb 21, 12:23 PM EST | Flash Flood Warning | BTV | Franklin | 6 hr |
| Apr 16, 7:19 AM EDT | Flash Flood Warning | OKX | Bronx, Kings, New York, Orange, Queens, Richmond and 1 more | 4 hr |
| Apr 16, 11:21 AM EDT | Flash Flood Warning | OKX | Bronx, Kings, New York, Orange, Queens, Richmond and 2 more | 3 hr |
| Jun 1, 2:13 PM EDT | Flash Flood Warning | BUF | Cayuga, Wayne | 3 hr |
| Jun 1, 3:58 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 3 hr |
| Jun 1, 5:42 PM EDT | Flash Flood Warning | BGM | Steuben | 3 hr |
| Jun 1, 5:59 PM EDT | Flash Flood Warning | BUF | Lewis | 3 hr |
| Jun 18, 6:41 PM EDT | Flash Flood Warning | BTV | Franklin, St. Lawrence | 3 hr |
| Jun 28, 6:16 PM EDT | Flash Flood Warning | OKX | Kings, Nassau, Queens | 74 min |
| Jul 2, 1:35 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 2 hr |
| Jul 2, 2:55 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 117 min |
| Jul 2, 3:25 PM EDT | Flash Flood Warning | BUF | Cayuga | 112 min |
| Jul 3, 3:14 PM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 104 min |
| Jul 4, 8:18 AM EDT | Flash Flood Warning | BUF | Allegany | 3 hr |
| Jul 4, 9:12 AM EDT | Flash Flood Warning | BUF | Cattaraugus | 3 hr |
| Jul 5, 1:58 PM EDT | Flash Flood Warning | ALY | Albany | 3 hr |
| Jul 5, 5:30 PM EDT | Flash Flood Warning | BUF | Wayne | 3 hr |
| Jul 14, 8:29 PM EDT | Flash Flood Warning | BGM | Chemung | 68 min |
| Jul 16, 4:20 PM EDT | Flash Flood Warning | ALY | Ulster | 2 hr |
| Jul 16, 6:48 PM EDT | Flash Flood Warning | BGM | Steuben | 4 hr |
| Jul 16, 7:10 PM EDT | Flash Flood Warning | BUF | Allegany | 3 hr |
| Jul 16, 9:30 PM EDT | Flash Flood Warning | BGM | Cortland, Tompkins | 3 hr |
| Jul 23, 11:39 AM EDT | Flash Flood Warning | BGM | Sullivan | 4 hr |
| Jul 23, 4:06 PM EDT | Flash Flood Warning | BGM | Chemung | 90 min |
| Jul 24, 7:08 PM EDT | Flash Flood Warning | BUF | Chautauqua | 4 hr |
| Jul 24, 8:42 PM EDT | Flash Flood Warning | BUF | Chautauqua | 2 hr |
| Jul 25, 12:45 AM EDT | Flash Flood Warning | BGM | Chemung | 4 hr |
| Jul 25, 4:33 PM EDT | Flash Flood Warning | OKX | Orange | 3 hr |
| Jul 25, 4:47 PM EDT | Flash Flood Warning | BGM | Chemung, Tioga | 3 hr |
| Jul 25, 7:03 PM EDT | Flash Flood Warning | OKX | Orange | 117 min |
| Jul 25, 7:07 PM EDT | Flash Flood Warning | BGM | Delaware | 4 hr |
| Jul 25, 7:46 PM EDT | Flash Flood Warning | BGM | Chemung, Tioga | 3 hr |
| Jul 25, 9:52 PM EDT | Flash Flood Warning | BGM | Delaware, Sullivan | 4 hr |
| Jul 27, 4:25 PM EDT | Flash Flood Warning | OKX | Kings, New York, Richmond | 95 min |
| Jul 27, 6:16 PM EDT | Flash Flood Warning | OKX | Kings, Richmond | 3 hr |
| Jul 28, 5:11 PM EDT | Flash Flood Warning | OKX | Putnam | 64 min |
| Aug 2, 4:07 PM EDT | Flash Flood Warning | ALY | Dutchess, Ulster | 75 min |
| Aug 3, 1:06 PM EDT | Flash Flood Warning | ALY | Albany, Rensselaer | 3 hr |
| Aug 3, 2:38 PM EDT | Flash Flood Warning | ALY | Rensselaer | 82 min |
| Aug 3, 4:10 PM EDT | Flash Flood Warning | ALY | Columbia, Dutchess, Greene, Ulster | 93 min |
| Aug 3, 4:57 PM EDT | Flash Flood Warning | ALY | Columbia | 68 min |
| Aug 3, 8:40 PM EDT | Flash Flood Warning | BGM | Sullivan | 3 hr |
| Aug 4, 6:24 AM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 81 min |
| Aug 4, 12:30 PM EDT | Flash Flood Warning | BTV | Clinton | 3 hr |
| Aug 7, 3:00 PM EDT | Flash Flood Warning | ALY | Albany, Rensselaer | 92 min |
| Aug 7, 5:07 PM EDT | Flash Flood Warning | ALY | Columbia | 115 min |
| Aug 7, 8:16 PM EDT | Flash Flood Warning | OKX | Nassau, Suffolk | 52 min |
| Aug 8, 11:54 AM EDT | Flash Flood Warning | BUF | Livingston, Monroe, Ontario | 3 hr |
| Aug 8, 3:43 PM EDT | Flash Flood Warning | ALY | Columbia, Greene, Ulster | 2 hr |
| Aug 8, 6:20 PM EDT | Flash Flood Warning | BGM | Broome | 5 hr |
| Aug 8, 6:27 PM EDT | Flash Flood Warning | BGM | Delaware | 5 hr |
| Aug 8, 6:58 PM EDT | Flash Flood Warning | BGM | Broome, Tioga | 5 hr |
| Aug 8, 7:04 PM EDT | Flash Flood Warning | BGM | Delaware | 4 hr |
| Aug 11, 4:20 AM EDT | Flash Flood Warning | OKX | Suffolk | 3 hr |
| Aug 11, 8:14 AM EDT | Flash Flood Warning | OKX | Bronx, Kings, New York, Queens, Rockland, Westchester | 109 min |
| Aug 12, 5:52 AM EDT | Flash Flood Warning | OKX | Suffolk | 115 min |
| Aug 12, 12:30 PM EDT | Flash Flood Warning | OKX | Nassau, Suffolk | 2 hr |
| Aug 12, 1:04 PM EDT | Flash Flood Warning | OKX | Kings, Queens | 88 min |
| Aug 12, 1:49 PM EDT | Flash Flood Warning | OKX | Kings | 44 min |
| Aug 13, 1:03 PM EDT | Flash Flood Warning | BGM | Chemung, Steuben | 6 hr |
| Aug 13, 6:08 PM EDT | Flash Flood Warning | BGM | Broome | 7 hr |
| Aug 13, 10:19 PM EDT | Flash Flood Warning | BGM | Broome, Chenango | 3 hr |
| Aug 14, 4:15 AM EDT | Flash Flood Warning | BGM | Schuyler, Seneca, Yates | 12 hr |
| Aug 14, 5:24 AM EDT | Flash Flood Warning | BGM | Schuyler, Seneca, Yates | 3 hr |
| Aug 14, 7:08 AM EDT | Flash Flood Warning | BGM | Chemung, Schuyler | 9 hr |
| Aug 14, 7:18 AM EDT | Flash Flood Warning | BGM | Broome | 9 hr |
| Aug 14, 7:45 AM EDT | Flash Flood Warning | BGM | Tioga | 8 hr |
| Aug 14, 9:01 AM EDT | Flash Flood Warning | BGM | Broome | 6 hr |
| Aug 14, 9:21 AM EDT | Flash Flood Warning | BUF | Monroe, Ontario, Wayne | 5 hr |
| Aug 14, 9:27 AM EDT | Flash Flood Warning | BGM | Broome, Tioga | 6 hr |
| Aug 14, 9:36 AM EDT | Flash Flood Warning | BGM | Tioga | 6 hr |
| Aug 14, 3:34 PM EDT | Flash Flood Warning | BUF | Oswego | 3 hr |
| Aug 14, 4:01 PM EDT | Flash Flood Warning | OKX | Bronx, Kings, New York, Queens | 48 min |
| Aug 14, 4:17 PM EDT | Flash Flood Warning | BUF | Jefferson, Oswego | 3 hr |
| Aug 14, 7:16 PM EDT | Flash Flood Warning | BGM | Broome, Tioga, Tompkins | 5 hr |
| Aug 14, 7:33 PM EDT | Flash Flood Warning | BGM | Chenango, Madison, Oneida, Otsego | 4 hr |
| Aug 14, 7:49 PM EDT | Flash Flood Warning | BGM | Broome, Tioga | 5 hr |
| Aug 15, 12:10 AM EDT | Flash Flood Warning | BGM | Chenango, Madison | 95 min |
| Aug 17, 8:18 PM EDT | Flash Flood Warning | ALY | Columbia | 3 hr |
| Sep 6, 4:37 PM EDT | Flash Flood Warning | OKX | Orange | 83 min |
| Sep 12, 3:08 PM EDT | Flash Flood Warning | OKX | Suffolk | 40 min |
| Sep 18, 12:10 AM EDT | Flash Flood Warning | BGM | Broome, Chemung, Cortland, Tioga, Tompkins | 6 hr |
| Sep 18, 1:40 AM EDT | Flash Flood Warning | BGM | Chemung | 3 hr |
| Sep 18, 1:46 AM EDT | Flash Flood Warning | BGM | Broome, Chenango, Tioga | 3 hr |
| Sep 18, 1:58 AM EDT | Flash Flood Warning | ALY | Schoharie | 3 hr |
| Sep 18, 2:05 AM EDT | Flash Flood Warning | BGM | Chenango, Otsego | 3 hr |
| Sep 18, 5:00 AM EDT | Flash Flood Warning | BGM | Chenango, Otsego | 3 hr |
| Sep 21, 9:09 PM EDT | Flash Flood Warning | BGM | Steuben | 3 hr |
| Sep 21, 9:24 PM EDT | Flash Flood Warning | BGM | Chemung | 3 hr |
| Sep 25, 12:58 PM EDT | Flash Flood Warning | OKX | Bronx, Westchester | 5 hr |
| Sep 25, 2:56 PM EDT | Flash Flood Warning | OKX | Kings, Queens | 2 hr |
| Sep 25, 6:35 PM EDT | Flash Flood Warning | OKX | Suffolk | 2 hr |
| Sep 28, 5:30 AM EDT | Flash Flood Warning | OKX | Kings, Nassau, Queens, Richmond | 2 hr |
| Oct 2, 6:49 PM EDT | Flash Flood Warning | OKX | Orange, Rockland, Westchester | 3 hr |
| Oct 6, 6:17 PM EDT | Flash Flood Warning | BGM | Steuben | 107 min |
| Oct 6, 10:29 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie | 4 hr |
| Dec 21, 7:48 AM EST | Flash Flood Warning | OKX | Bronx, Kings, Nassau, New York, Queens, Richmond | 107 min |
| Dec 21, 10:47 AM EST | Flash Flood Warning | OKX | Nassau, Suffolk | 3 hr |
| Dec 21, 11:37 AM EST | Flash Flood Warning | OKX | Suffolk | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kings County12
- Broome County11
- Chemung County10
- Tioga County10
- Queens County9
- Suffolk County8
- Bronx County6
- New York County6
- Orange County6
- Richmond County6
- Rockland County6
- Westchester County6
- Chautauqua County6
- Nassau County6
- Chenango County6
- Cattaraugus County5
- Steuben County5
- Columbia County5
- Ulster County4
- Delaware County4
- Wayne County3
- Albany County3
- Tompkins County3
- Sullivan County3
- Rensselaer County3
- Schuyler County3
- Otsego County3
- Franklin County2
- Cayuga County2
- Allegany County2
- Cortland County2
- Dutchess County2
- Greene County2
- Monroe County2
- Ontario County2
- Seneca County2
- Yates County2
- Oswego County2
- Madison County2
- Lewis County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.