Alert archive / New Jersey / Flash Flood Warnings
Flash Flood Warnings in New Jersey, 2018
79 flash flood warnings in 2018. 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 2018. Tap one for its archive.
- Flash Flood Warnings
- 79
- Busiest month
- August29 flash flood warnings
- Busiest day
- August 11, 201815 flash 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 |
|---|---|---|---|---|
| Apr 16, 7:04 AM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 4 hr |
| Apr 16, 7:19 AM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 4 hr |
| Apr 16, 11:21 AM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 3 hr |
| May 27, 4:28 AM EDT | Flash Flood Warning | PHI | Monmouth | 4 hr |
| May 27, 4:39 AM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| May 27, 5:43 AM EDT | Flash Flood Warning | PHI | Monmouth | 4 hr |
| May 27, 6:12 AM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Somerset | 4 hr |
| May 27, 6:33 AM EDT | Flash Flood Warning | PHI | Hunterdon | 4 hr |
| May 27, 7:30 AM EDT | Flash Flood Warning | PHI | Mercer | 4 hr |
| Jun 9, 2:37 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May, Cumberland | 4 hr |
| Jun 10, 11:33 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 5 hr |
| Jun 11, 12:53 AM EDT | Flash Flood Warning | PHI | Burlington, Ocean | 4 hr |
| Jul 3, 1:17 PM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 89 min |
| Jul 3, 1:53 PM EDT | Flash Flood Warning | OKX | Union | 79 min |
| Jul 3, 3:14 PM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 104 min |
| Jul 3, 3:19 PM EDT | Flash Flood Warning | PHI | Morris | 3 hr |
| Jul 3, 3:24 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Passaic | 2 hr |
| Jul 3, 3:43 PM EDT | Flash Flood Warning | PHI | Morris | 2 hr |
| Jul 3, 4:57 PM EDT | Flash Flood Warning | PHI | Hunterdon, Somerset | 114 min |
| Jul 3, 5:45 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Jul 3, 5:47 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 2 hr |
| Jul 3, 6:37 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 3 hr |
| Jul 3, 6:58 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 49 min |
| Jul 6, 7:01 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth | 4 hr |
| Jul 6, 8:23 AM EDT | Flash Flood Warning | PHI | Burlington, Monmouth, Ocean | 4 hr |
| Jul 17, 4:35 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 25, 3:56 PM EDT | Flash Flood Warning | OKX | Passaic | 3 hr |
| Jul 25, 4:33 PM EDT | Flash Flood Warning | OKX | Passaic | 3 hr |
| Jul 27, 4:19 PM EDT | Flash Flood Warning | PHI | Cumberland | 4 hr |
| Jul 27, 4:25 PM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 95 min |
| Jul 27, 4:54 PM EDT | Flash Flood Warning | PHI | Middlesex | 4 hr |
| Jul 27, 6:16 PM EDT | Flash Flood Warning | OKX | Hudson, Union | 3 hr |
| Aug 4, 6:19 AM EDT | Flash Flood Warning | PHI | Morris | 4 hr |
| Aug 4, 6:24 AM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 81 min |
| Aug 4, 8:59 AM EDT | Flash Flood Warning | OKX | Union | 91 min |
| Aug 4, 9:17 AM EDT | Flash Flood Warning | OKX | Essex | 88 min |
| Aug 4, 9:32 AM EDT | Flash Flood Warning | PHI | Somerset | 3 hr |
| Aug 7, 9:16 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 4 hr |
| Aug 11, 7:10 AM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 2 hr |
| Aug 11, 7:16 AM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| Aug 11, 8:14 AM EDT | Flash Flood Warning | OKX | Bergen, Hudson | 109 min |
| Aug 11, 1:07 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May | 4 hr |
| Aug 11, 2:00 PM EDT | Flash Flood Warning | PHI | Warren | 9 hr |
| Aug 11, 2:30 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Warren | 3 hr |
| Aug 11, 2:46 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 3 hr |
| Aug 11, 3:06 PM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| Aug 11, 3:32 PM EDT | Flash Flood Warning | PHI | Atlantic | 3 hr |
| Aug 11, 3:47 PM EDT | Flash Flood Warning | PHI | Morris | 3 hr |
| Aug 11, 3:57 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Passaic | 2 hr |
| Aug 11, 5:30 PM EDT | Flash Flood Warning | OKX | Bergen | 2 hr |
| Aug 11, 5:50 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Passaic | 85 min |
| Aug 11, 6:02 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Passaic | 118 min |
| Aug 11, 6:12 PM EDT | Flash Flood Warning | PHI | Salem | 3 hr |
| Aug 12, 6:32 PM EDT | Flash Flood Warning | PHI | Cumberland, Salem | 112 min |
| Aug 13, 8:30 AM EDT | Flash Flood Warning | PHI | Burlington, Monmouth, Ocean | 7 hr |
| Aug 13, 10:27 AM EDT | Flash Flood Warning | PHI | Burlington, Camden | 2 hr |
| Aug 17, 11:30 PM EDT | Flash Flood Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 4 hr |
| Aug 17, 11:38 PM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 2 hr |
| Aug 18, 12:05 AM EDT | Flash Flood Warning | OKX | Bergen, Essex, Passaic | 103 min |
| Aug 31, 5:36 AM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Aug 31, 6:27 AM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Sep 2, 3:52 PM EDT | Flash Flood Warning | PHI | Cumberland, Gloucester, Salem | 3 hr |
| Sep 7, 6:41 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Sep 7, 8:32 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 2 hr |
| Sep 18, 12:01 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Somerset | 4 hr |
| Sep 18, 5:17 PM EDT | Flash Flood Warning | PHI | Atlantic | 113 min |
| Sep 25, 11:53 AM EDT | Flash Flood Warning | OKX | Bergen, Hudson | 4 hr |
| Sep 25, 3:28 PM EDT | Flash Flood Warning | OKX | Bergen | 4 hr |
| Sep 25, 4:19 PM EDT | Flash Flood Warning | PHI | Camden | 4 hr |
| Sep 25, 5:14 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Somerset | 4 hr |
| Sep 25, 5:35 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer | 4 hr |
| Sep 25, 6:03 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Monmouth | 3 hr |
| Oct 2, 10:13 PM EDT | Flash Flood Warning | OKX | Bergen | 2 hr |
| Oct 12, 12:08 AM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Oct 12, 1:52 AM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 4 hr |
| Oct 12, 3:17 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 4 hr |
| Nov 2, 10:53 PM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 4 hr |
| Nov 26, 4:24 PM EST | Flash Flood Warning | PHI | Morris, Somerset, Sussex | 3 hr |
| Dec 21, 7:48 AM EST | Flash Flood Warning | OKX | Bergen, Hudson | 107 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bergen County16
- Burlington County14
- Essex County12
- Passaic County12
- Middlesex County12
- Somerset County11
- Hudson County10
- Mercer County10
- Camden County10
- Union County9
- Gloucester County8
- Monmouth County8
- Morris County8
- Hunterdon County7
- Salem County6
- Atlantic County6
- Cumberland County6
- Ocean County6
- Warren County4
- Cape May County3
- Sussex County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.