Alert archive / New Jersey / River Flood Warnings

River Flood Warnings in New Jersey, 2020

17 river flood warnings in 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 river flood warnings reaches back to 2005.

River Flood Warnings by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

River Flood Warnings
17
Busiest month
December15 river flood warnings
Busiest day
December 25, 20208 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.

IssuedProductOfficeCountiesLasted
Aug 4, 2:33 PM EDTRiver Flood WarningPHIHunterdon, Somerset5 hr
Nov 30, 5:36 PM ESTRiver Flood WarningPHIHunterdon, Somerset7 hr
Dec 1, 6:31 AM ESTRiver Flood WarningPHISomerset20 hr
Dec 1, 7:18 AM ESTRiver Flood WarningPHIMiddlesex, Somerset3 hr
Dec 1, 12:26 PM ESTRiver Flood WarningPHIMorris7 hr
Dec 3, 3:35 AM ESTRiver Flood WarningPHIEssex, Morris, Passaic11 hr
Dec 25, 2:05 AM ESTRiver Flood WarningPHIHunterdon, Somerset4 hr
Dec 25, 7:25 AM ESTRiver Flood WarningPHIMorris, Passaic37 hr
Dec 25, 10:55 AM ESTRiver Flood WarningOKXBergen, Passaic21 hr
Dec 25, 12:17 PM ESTRiver Flood WarningPHIMiddlesex, Somerset9 hr
Dec 25, 2:11 PM ESTRiver Flood WarningPHIMiddlesex, Somerset7 hr
Dec 25, 2:12 PM ESTRiver Flood WarningPHISomerset20 hr
Dec 25, 2:26 PM ESTRiver Flood WarningPHIHunterdon, Somerset3 hr
Dec 25, 6:25 PM ESTRiver Flood WarningPHIMorris21 hr
Dec 26, 5:12 AM ESTRiver Flood WarningPHIHunterdon, Warren10 hr
Dec 26, 6:56 AM ESTRiver Flood WarningPHIHunterdon, Mercer9 hr
Dec 26, 9:01 PM ESTRiver Flood WarningPHIEssex, Morris, Passaic23 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

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.