Alert archive / New York / Flash Flood Warnings / 2020
Flash Flood Warnings in New York, August 2020
17 flash flood warnings in August 2020. 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 August 2020. Tap one for its archive.
- Flash Flood Warnings
- 17
- Busiest day
- August 4, 20205 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 |
|---|---|---|---|---|
| Aug 4, 2:16 PM EDT | Flash Flood Warning | BGM | Delaware, Sullivan | 4 hr |
| Aug 4, 3:18 PM EDT | Flash Flood Warning | BGM | Delaware | 3 hr |
| Aug 4, 3:45 PM EDT | Flash Flood Warning | ALY | Albany, Greene, Schoharie, Ulster | 3 hr |
| Aug 4, 4:03 PM EDT | Flash Flood Warning | ALY | Albany, Greene, Rensselaer, Saratoga, Schenectady, Schoharie | 3 hr |
| Aug 4, 4:06 PM EDT | Flash Flood Warning | BGM | Delaware, Otsego | 2 hr |
| Aug 7, 7:27 AM EDT | Flash Flood Warning | BGM | Delaware | 68 min |
| Aug 10, 3:43 PM EDT | Flash Flood Warning | BGM | Chemung | 3 hr |
| Aug 10, 5:20 PM EDT | Flash Flood Warning | ALY | Columbia, Dutchess, Greene, Ulster | 110 min |
| Aug 11, 9:47 PM EDT | Flash Flood Warning | BGM | Broome, Chenango, Delaware | 2 hr |
| Aug 12, 3:14 PM EDT | Flash Flood Warning | OKX | Bronx, Nassau, New York, Queens | 113 min |
| Aug 13, 9:14 AM EDT | Flash Flood Warning | OKX | Richmond | 2 hr |
| Aug 13, 10:53 AM EDT | Flash Flood Warning | OKX | Nassau | 86 min |
| Aug 15, 6:54 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Erie | 2 hr |
| Aug 15, 8:00 PM EDT | Flash Flood Warning | BUF | Erie, Niagara | 2 hr |
| Aug 24, 6:06 PM EDT | Flash Flood Warning | ALY | Washington | 3 hr |
| Aug 27, 4:48 PM EDT | Flash Flood Warning | BUF | Genesee, Livingston, Monroe | 4 hr |
| Aug 27, 5:30 PM EDT | Flash Flood Warning | BUF | Livingston, Ontario | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delaware County5
- Greene County3
- Albany County2
- Schoharie County2
- Ulster County2
- Nassau County2
- Erie County2
- Livingston County2
- Sullivan County1
- Rensselaer County1
- Saratoga County1
- Schenectady County1
- Otsego County1
- Chemung County1
- Columbia County1
- Dutchess County1
- Broome County1
- Chenango County1
- Bronx County1
- New York County1
- Queens County1
- Richmond County1
- Cattaraugus County1
- Niagara County1
- Washington County1
- Genesee County1
- Monroe County1
- Ontario County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.