Alert archive / New York / Flash Flood Warnings
Flash Flood Warnings in New York, 1999
102 flash flood warnings in 1999. 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 1999. Tap one for its archive.
- Flash Flood Warnings
- 102
- Busiest month
- September35 flash flood warnings
- Busiest day
- September 16, 199918 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 |
|---|---|---|---|---|
| Jan 3, 11:57 AM EST | Flash Flood Warning | OKX | Kings, Nassau, Queens | 4 hr |
| Jan 3, 11:57 AM EST | Flash Flood Warning | OKX | Bronx, New York, Westchester | 4 hr |
| Jan 3, 11:57 AM EST | Flash Flood Warning | OKX | Suffolk | 4 hr |
| Jan 3, 11:57 AM EST | Flash Flood Warning | OKX | Richmond | 4 hr |
| Jan 3, 1:10 PM EST | Flash Flood Warning | OKX | Rockland | 3 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Nassau, Queens, Suffolk | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | New York | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Bronx | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Kings | 5 hr |
| Jan 15, 8:53 AM EST | Flash Flood Warning | OKX | Richmond | 5 hr |
| Jan 15, 9:41 AM EST | Flash Flood Warning | OKX | Westchester | 4 hr |
| Jan 15, 9:41 AM EST | Flash Flood Warning | OKX | Rockland | 4 hr |
| Jan 15, 10:35 AM EST | Flash Flood Warning | OKX | Westchester | 4 hr |
| Jan 18, 11:00 PM EST | Flash Flood Warning | ALY | Dutchess | 5 hr |
| Jan 19, 1:44 AM EST | Flash Flood Warning | ALY | Columbia | 7 hr |
| Jan 19, 4:13 AM EST | Flash Flood Warning | ALY | Dutchess | 8 hr |
| Jan 19, 6:55 PM EST | Flash Flood Warning | OKX | Orange | 65 min |
| Jan 23, 8:53 AM EST | Flash Flood Warning | BUF | Erie | 6 hr |
| Jan 23, 1:17 PM EST | Flash Flood Warning | BUF | Erie | 6 hr |
| Jan 23, 2:00 PM EST | Flash Flood Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans, Wayne | 8 hr |
| Jan 23, 2:00 PM EST | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie, Niagara, Wyoming | 8 hr |
| Jan 23, 2:00 PM EST | Flash Flood Warning | BUF | Allegany | 8 hr |
| Jan 23, 8:04 PM EST | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie, Genesee, Niagara, Wyoming | 9 hr |
| Jan 23, 8:04 PM EST | Flash Flood Warning | BUF | Livingston, Monroe, Ontario, Orleans, Wayne | 9 hr |
| Jan 23, 8:04 PM EST | Flash Flood Warning | BUF | Allegany | 9 hr |
| Jan 23, 9:38 PM EST | Flash Flood Warning | BGM | Steuben | 4 hr |
| Jan 24, 3:49 AM EST | Flash Flood Warning | BUF | Erie, Genesee, Niagara, Orleans | 7 hr |
| Jan 24, 3:49 AM EST | Flash Flood Warning | BUF | Allegany, Cattaraugus, Chautauqua, Wyoming | 7 hr |
| Jan 24, 3:49 AM EST | Flash Flood Warning | BUF | Livingston, Monroe, Ontario, Wayne | 7 hr |
| Jan 24, 10:50 AM EST | Flash Flood Warning | BTV | Clinton, Essex | 8 hr |
| Jan 24, 4:39 PM EST | Flash Flood Warning | ALY | Rensselaer, Washington | 5 hr |
| Jan 24, 5:53 PM EST | Flash Flood Warning | BTV | Clinton, Essex | 5 hr |
| Jan 24, 9:57 PM EST | Flash Flood Warning | ALY | Rensselaer | 18 hr |
| Jan 25, 6:58 AM EST | Flash Flood Warning | BTV | St. Lawrence | 6 hr |
| Mar 22, 6:47 AM EST | Flash Flood Warning | ALY | Ulster | 5 hr |
| Mar 22, 7:06 AM EST | Flash Flood Warning | ALY | Greene | 5 hr |
| Mar 22, 5:25 PM EST | Flash Flood Warning | BTV | Clinton | 6 hr |
| Mar 22, 10:40 PM EST | Flash Flood Warning | BTV | Clinton | 8 hr |
| Jun 10, 6:56 PM EDT | Flash Flood Warning | BUF | Chautauqua | 2 hr |
| Jul 2, 3:48 AM EDT | Flash Flood Warning | BUF | Oswego | 117 min |
| Jul 4, 6:17 AM EDT | Flash Flood Warning | ALY | Fulton, Herkimer, Montgomery | 6 hr |
| Jul 4, 6:41 AM EDT | Flash Flood Warning | BGM | Oneida | 2 hr |
| Jul 4, 8:24 AM EDT | Flash Flood Warning | BGM | Otsego | 61 min |
| Jul 4, 9:11 AM EDT | Flash Flood Warning | BGM | Delaware | 2 hr |
| Jul 4, 9:46 AM EDT | Flash Flood Warning | BGM | Sullivan | 89 min |
| Jul 4, 12:51 PM EDT | Flash Flood Warning | BUF | Oswego | 6 hr |
| Jul 4, 6:44 PM EDT | Flash Flood Warning | BUF | Oswego | 10 hr |
| Jul 18, 3:15 PM EDT | Flash Flood Warning | ALY | Washington | 3 hr |
| Jul 18, 3:30 PM EDT | Flash Flood Warning | ALY | Washington | 60 min |
| Jul 23, 2:13 PM EDT | Flash Flood Warning | ALY | Montgomery | 2 hr |
| Jul 23, 2:49 PM EDT | Flash Flood Warning | ALY | Fulton | 2 hr |
| Jul 29, 6:21 PM EDT | Flash Flood Warning | OKX | Orange | 99 min |
| Aug 11, 9:17 AM EDT | Flash Flood Warning | OKX | Suffolk | 3 hr |
| Aug 11, 12:30 PM EDT | Flash Flood Warning | OKX | Suffolk | 3 hr |
| Aug 14, 8:12 PM EDT | Flash Flood Warning | OKX | Rockland | 93 min |
| Aug 20, 4:18 PM EDT | Flash Flood Warning | BUF | Cattaraugus | 2 hr |
| Aug 20, 5:00 PM EDT | Flash Flood Warning | BUF | Erie | 2 hr |
| Aug 21, 6:02 AM EDT | Flash Flood Warning | BUF | Chautauqua | 3 hr |
| Aug 24, 5:39 PM EDT | Flash Flood Warning | BUF | Erie | 61 min |
| Aug 26, 9:27 AM EDT | Flash Flood Warning | OKX | Bronx, Westchester | 2 hr |
| Aug 26, 11:04 AM EDT | Flash Flood Warning | BUF | Chautauqua | 2 hr |
| Aug 26, 1:29 PM EDT | Flash Flood Warning | OKX | Suffolk | 116 min |
| Aug 26, 3:42 PM EDT | Flash Flood Warning | OKX | Suffolk | 118 min |
| Aug 27, 4:23 PM EDT | Flash Flood Warning | BUF | Erie | 92 min |
| Sep 8, 6:35 AM EDT | Flash Flood Warning | OKX | Suffolk | 2 hr |
| Sep 8, 3:31 PM EDT | Flash Flood Warning | OKX | Orange, Rockland | 119 min |
| Sep 16, 12:08 PM EDT | Flash Flood Warning | OKX | Bronx, New York, Westchester | 5 hr |
| Sep 16, 12:08 PM EDT | Flash Flood Warning | OKX | Richmond | 5 hr |
| Sep 16, 12:08 PM EDT | Flash Flood Warning | OKX | Kings, Queens | 5 hr |
| Sep 16, 12:08 PM EDT | Flash Flood Warning | OKX | Nassau | 5 hr |
| Sep 16, 12:39 PM EDT | Flash Flood Warning | OKX | Orange, Putnam | 4 hr |
| Sep 16, 12:39 PM EDT | Flash Flood Warning | OKX | Rockland | 4 hr |
| Sep 16, 12:39 PM EDT | Flash Flood Warning | OKX | Suffolk | 4 hr |
| Sep 16, 2:07 PM EDT | Flash Flood Warning | OKX | Suffolk | 2 hr |
| Sep 16, 3:59 PM EDT | Flash Flood Warning | ALY | Greene | 12 hr |
| Sep 16, 4:25 PM EDT | Flash Flood Warning | ALY | Columbia, Dutchess, Ulster | 11 hr |
| Sep 16, 4:42 PM EDT | Flash Flood Warning | OKX | Richmond | 6 hr |
| Sep 16, 4:42 PM EDT | Flash Flood Warning | OKX | Orange, Rockland | 6 hr |
| Sep 16, 4:42 PM EDT | Flash Flood Warning | OKX | Kings, Queens | 6 hr |
| Sep 16, 4:42 PM EDT | Flash Flood Warning | OKX | Bronx, New York, Westchester | 6 hr |
| Sep 16, 4:42 PM EDT | Flash Flood Warning | OKX | Putnam | 6 hr |
| Sep 16, 5:15 PM EDT | Flash Flood Warning | BGM | Sullivan | 5 hr |
| Sep 16, 5:40 PM EDT | Flash Flood Warning | ALY | Ulster | 10 hr |
| Sep 16, 5:49 PM EDT | Flash Flood Warning | ALY | Albany, Rensselaer | 10 hr |
| Sep 16, 8:59 PM EDT | Flash Flood Warning | ALY | Schenectady, Schoharie | 7 hr |
| Sep 16, 8:59 PM EDT | Flash Flood Warning | ALY | Saratoga, Washington | 7 hr |
| Sep 16, 9:59 PM EDT | Flash Flood Warning | BGM | Sullivan | 6 hr |
| Sep 17, 1:38 AM EDT | Flash Flood Warning | OKX | Orange, Putnam, Rockland, Westchester | 6 hr |
| Sep 17, 4:16 AM EDT | Flash Flood Warning | ALY | Albany, Saratoga, Schenectady, Schoharie | 8 hr |
| Sep 17, 4:16 AM EDT | Flash Flood Warning | ALY | Columbia, Greene, Rensselaer | 8 hr |
| Sep 17, 4:16 AM EDT | Flash Flood Warning | ALY | Warren, Washington | 8 hr |
| Sep 17, 7:49 AM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 7 hr |
| Sep 17, 7:49 AM EDT | Flash Flood Warning | OKX | Orange, Putnam | 7 hr |
| Sep 17, 8:23 AM EDT | Flash Flood Warning | BTV | Essex | 6 hr |
| Sep 17, 3:52 PM EDT | Flash Flood Warning | OKX | Rockland, Westchester | 5 hr |
| Sep 17, 9:00 PM EDT | Flash Flood Warning | OKX | Rockland | 7 hr |
| Sep 17, 9:00 PM EDT | Flash Flood Warning | OKX | Westchester | 7 hr |
| Sep 21, 5:53 PM EDT | Flash Flood Warning | OKX | Putnam | 2 hr |
| Sep 29, 6:03 PM EDT | Flash Flood Warning | BUF | Chautauqua | 117 min |
| Nov 2, 5:12 PM EST | Flash Flood Warning | BUF | Chautauqua | 4 hr |
| Nov 2, 8:47 PM EST | Flash Flood Warning | BUF | Erie, Niagara | 2 hr |
| Nov 26, 7:35 PM EST | Flash Flood Warning | BUF | Lewis | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westchester County10
- Rockland County10
- Suffolk County9
- Erie County9
- Chautauqua County8
- Orange County7
- Bronx County5
- Washington County5
- Putnam County5
- Kings County4
- Queens County4
- New York County4
- Richmond County4
- Cattaraugus County4
- Niagara County4
- Clinton County4
- Rensselaer County4
- Nassau County3
- Dutchess County3
- Columbia County3
- Genesee County3
- Livingston County3
- Monroe County3
- Ontario County3
- Orleans County3
- Wayne County3
- Wyoming County3
- Allegany County3
- Essex County3
- Ulster County3
- Greene County3
- Oswego County3
- Sullivan County3
- Fulton County2
- Montgomery County2
- Albany County2
- Schenectady County2
- Schoharie County2
- Saratoga County2
- Steuben County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.