Alert archive / New York / Flash Flood Warnings / 2021

Flash Flood Warnings in New York, August 2021

33 flash flood warnings in August 2021. 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 2021. Tap one for its archive.

Flash Flood Warnings
33
Busiest day
August 22, 20217 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.

IssuedProductOfficeCountiesLasted
Aug 7, 6:29 PM EDTFlash Flood WarningBUFLivingston, Monroe94 min
Aug 10, 10:47 PM EDTFlash Flood WarningBUFJefferson, Lewis5 hr
Aug 13, 7:15 PM EDTFlash Flood WarningALYAlbany2 hr
Aug 17, 4:17 PM EDTFlash Flood WarningBUFCayuga, Ontario, Wayne86 min
Aug 17, 6:27 PM EDTFlash Flood WarningBGMCayuga, Onondaga, Seneca, Yates3 hr
Aug 17, 8:59 PM EDTFlash Flood WarningBGMCayuga, Cortland, Onondaga, Tompkins3 hr
Aug 18, 6:38 PM EDTFlash Flood WarningBGMSteuben5 hr
Aug 18, 10:28 PM EDTFlash Flood Warning EmergencyCatastrophic damage threatBGMSteuben5 hr
Aug 18, 10:40 PM EDTFlash Flood WarningBGMCayuga, Seneca, Tompkins, Yates5 hr
Aug 19, 12:35 AM EDTFlash Flood WarningBGMCortland, Onondaga4 hr
Aug 19, 6:12 AM EDTFlash Flood WarningBGMOneida3 hr
Aug 20, 10:09 PM EDTFlash Flood WarningBGMSteuben3 hr
Aug 21, 6:00 PM EDTFlash Flood WarningBUFCattaraugus, Chautauqua4 hr
Aug 21, 8:46 PM EDTFlash Flood WarningOKXKings, Queens5 hr
Aug 21, 10:18 PM EDTFlash Flood WarningOKXNew York4 hr
Aug 21, 10:47 PM EDTFlash Flood WarningOKXBronx, Nassau, New York, Queens103 min
Aug 22, 1:22 AM EDTFlash Flood WarningOKXRichmond117 min
Aug 22, 2:44 PM EDTFlash Flood WarningOKXBronx, Kings, New York, Queens, Richmond, Rockland and 1 more3 hr
Aug 22, 3:17 PM EDTFlash Flood WarningOKXKings, Nassau, Queens2 hr
Aug 22, 4:51 PM EDTFlash Flood Warning Considerable damage threatOKXBronx, New York, Orange, Rockland, Westchester6 hr
Aug 22, 8:52 PM EDTFlash Flood WarningBGMMadison3 hr
Aug 22, 9:09 PM EDTFlash Flood WarningBGMChenango3 hr
Aug 23, 1:28 PM EDTFlash Flood WarningALYGreene, Ulster3 hr
Aug 25, 7:36 PM EDTFlash Flood WarningBUFAllegany, Livingston, Wyoming2 hr
Aug 27, 2:28 PM EDTFlash Flood WarningBGMSteuben4 hr
Aug 27, 3:58 PM EDTFlash Flood WarningOKXKings, Richmond2 hr
Aug 27, 4:46 PM EDTFlash Flood WarningOKXBronx, New York, Queens89 min
Aug 27, 5:41 PM EDTFlash Flood WarningOKXRichmond2 hr
Aug 27, 7:58 PM EDTFlash Flood WarningALYUlster111 min
Aug 28, 3:40 AM EDTFlash Flood WarningOKXSuffolk3 hr
Aug 28, 5:00 AM EDTFlash Flood WarningOKXSuffolk95 min
Aug 29, 12:47 PM EDTFlash Flood WarningBUFNiagara3 hr
Aug 29, 2:17 PM EDTFlash Flood WarningBGMSeneca3 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.