Flash Flood Watches in New York
354 flash flood watches since 1986. 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Flash Flood Watches
- 354
- Busiest year
- 202136 flash flood watches
- Average year
- 22over 16 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bronx County83
- Kings County83
- New York County83
- Richmond County83
- Westchester County79
- Rockland County76
- Sullivan County73
- Delaware County67
- Cayuga County64
- Orange County64
- Putnam County61
- Queens County59
- Broome County57
- Steuben County56
- Otsego County55
- Chenango County54
- Tioga County54
- Chemung County52
- Dutchess County52
- Columbia County51
- Ulster County51
- Nassau County50
- Greene County49
- Suffolk County48
- Rensselaer County47
- Schuyler County45
- Albany County44
- Fulton County44
- Madison County44
- Oneida County44
- Schoharie County44
- Tompkins County44
- Cortland County43
- Herkimer County43
- Montgomery County43
- Saratoga County43
- Schenectady County43
- Seneca County40
- Yates County40
- Onondaga County36
22 more counties
- Allegany County35
- Erie County33
- Warren County33
- Washington County33
- Cattaraugus County32
- Essex County32
- Clinton County31
- Chautauqua County29
- Livingston County29
- Wyoming County29
- Ontario County28
- Wayne County26
- Franklin County25
- Monroe County25
- Hamilton County24
- Niagara County24
- Genesee County22
- St. Lawrence County22
- Oswego County20
- Lewis County18
- Jefferson County17
- Orleans County16
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.