Alert archive / New York / River Flood Warnings
River Flood Warnings in New York, 2026
47 river flood warnings in 2026. 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 river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- River Flood Warnings
- 47
- Busiest month
- April18 river flood warnings
- Busiest day
- April 1, 202614 river 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 |
|---|---|---|---|---|
| Mar 7, 9:25 PM EST | River Flood Warning | BGM | Cortland | 50 hr |
| Mar 8, 10:15 AM EDT | River Flood Warning | BUF | Erie, Genesee, Niagara, Wyoming | 15 hr |
| Mar 8, 10:52 AM EDT | River Flood Warning | BUF | Erie, Niagara | 40 hr |
| Mar 8, 10:55 AM EDT | River Flood Warning | ALY | Montgomery | 13 hr |
| Mar 8, 10:56 AM EDT | River Flood Warning | BTV | Clinton, Essex | 12 hr |
| Mar 8, 10:12 PM EDT | River Flood Warning | BTV | Clinton | 9 hr |
| Mar 11, 2:15 PM EDT | River Flood Warning | BUF | Jefferson, Lewis | 3 days |
| Mar 16, 5:24 AM EDT | River Flood Warning | BGM | Cortland | 28 hr |
| Mar 16, 10:10 AM EDT | River Flood Warning | BGM | Chenango | 12 hr |
| Mar 17, 6:10 AM EDT | River Flood Warning | ALY | Hamilton | 8 hr |
| Mar 30, 10:12 PM EDT | River Flood Warning | BGM | Chenango | 41 hr |
| Mar 30, 10:13 PM EDT | River Flood Warning | BGM | Cortland | 3 days |
| Mar 31, 9:42 AM EDT | River Flood Warning | ALY | Herkimer | 4 days |
| Mar 31, 1:14 PM EDT | River Flood Warning | BUF | Jefferson, Lewis, Oneida | 35 hr |
| Mar 31, 3:32 PM EDT | River Flood Warning | BUF | Cattaraugus, Chautauqua, Erie, Wyoming | 11 hr |
| Mar 31, 7:49 PM EDT | River Flood Warning | ALY | Hamilton | 20 hr |
| Mar 31, 7:59 PM EDT | River Flood Warning | BUF | Erie | 7 hr |
| Mar 31, 8:03 PM EDT | River Flood Warning | BUF | Genesee, Wyoming | 7 hr |
| Mar 31, 9:52 PM EDT | River Flood Warning | ALY | Herkimer, Oneida | 6 days |
| Mar 31, 10:16 PM EDT | River Flood Warning | BUF | Erie, Wyoming | 8 hr |
| Mar 31, 10:18 PM EDT | River Flood Warning | BUF | Erie, Wyoming | 7 hr |
| Mar 31, 10:21 PM EDT | River Flood Warning | BUF | Erie, Genesee | 36 hr |
| Mar 31, 10:29 PM EDT | River Flood Warning | BUF | Erie, Genesee, Niagara, Wyoming | 33 hr |
| Mar 31, 10:30 PM EDT | River Flood Warning | BUF | Genesee, Monroe | 52 hr |
| Mar 31, 10:33 PM EDT | River Flood Warning | BUF | Genesee, Monroe | 55 hr |
| Mar 31, 11:58 PM EDT | River Flood Warning | BUF | Monroe, Ontario | 22 hr |
| Apr 1, 12:42 AM EDT | River Flood Warning | BGM | Tompkins | 16 days |
| Apr 1, 2:21 AM EDT | River Flood Warning | BUF | Livingston, Monroe | 15 hr |
| Apr 1, 4:12 AM EDT | River Flood Warning | ALY | Herkimer, Montgomery, Oneida | 42 hr |
| Apr 1, 5:35 AM EDT | River Flood Warning | BUF | Erie, Niagara | 3 days |
| Apr 1, 4:23 PM EDT | River Flood Warning | ALY | Albany, Rensselaer, Saratoga | 12 hr |
| Apr 2, 1:11 PM EDT | River Flood Warning | BUF | Jefferson, Lewis | 35 hr |
| Apr 5, 10:49 AM EDT | River Flood Warning | ALY | Herkimer | 35 hr |
| Apr 5, 11:56 AM EDT | River Flood Warning | BGM | Onondaga | 4 days |
| Apr 19, 3:17 PM EDT | River Flood Warning | BGM | Tompkins | 7 days |
| Jul 28, 8:34 PM EDT | River Flood Warning | BGM | Delaware, Sullivan | 18 hr |
| Jul 29, 3:30 AM EDT | River Flood Warning | ALY | Ulster | 2 hr |
| Jul 29, 3:43 AM EDT | River Flood Warning | ALY | Greene, Schoharie | 13 hr |
| Jul 29, 8:37 AM EDT | River Flood Warning | ALY | Ulster | 8 hr |
| Jul 29, 10:15 AM EDT | River Flood Warning | ALY | Ulster | 7 hr |
| Jul 29, 10:39 AM EDT | River Flood Warning | ALY | Schoharie | 8 hr |
| Jul 29, 10:46 AM EDT | River Flood Warning | ALY | Schoharie | 12 hr |
| Jul 29, 2:19 PM EDT | River Flood Warning | BGM | Delaware | 3 hr |
| Jul 29, 10:47 PM EDT | River Flood Warning | ALY | Rensselaer, Washington | 7 hr |
| Aug 7, 4:35 PM EDT | River Flood Warning | BGM | Madison, Oneida | 4 hr |
| Sep 25, 12:20 PM EDT | River Flood Warning | ALY | Dutchess, Ulster | 27 hr |
| Sep 28, 11:36 AM EDT | River Flood Warning | ALY | Dutchess, Ulster | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Erie County9
- Genesee County6
- Wyoming County6
- Ulster County5
- Niagara County4
- Herkimer County4
- Oneida County4
- Monroe County4
- Cortland County3
- Jefferson County3
- Lewis County3
- Schoharie County3
- Montgomery County2
- Clinton County2
- Chenango County2
- Hamilton County2
- Tompkins County2
- Rensselaer County2
- Delaware County2
- Dutchess County2
- Essex County1
- Cattaraugus County1
- Chautauqua County1
- Ontario County1
- Livingston County1
- Albany County1
- Saratoga County1
- Onondaga County1
- Sullivan County1
- Greene County1
- Washington County1
- Madison County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.