Alert archive / New Jersey / Flash Flood Warnings
Flash Flood Warnings in New Jersey, 2025
62 flash flood warnings in 2025. 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 2025. Tap one for its archive.
- Flash Flood Warnings
- 62
- Busiest month
- July42 flash flood warnings
- Busiest day
- July 31, 202514 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 |
|---|---|---|---|---|
| May 14, 12:09 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| May 14, 3:24 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth, Morris, Somerset | 4 hr |
| May 15, 4:56 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Monmouth | 44 min |
| May 16, 11:32 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 4 hr |
| May 16, 12:31 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| May 16, 12:47 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| May 16, 1:28 PM EDT | Flash Flood Warning | PHI | Burlington, Ocean | 3 hr |
| May 16, 1:36 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May, Ocean | 3 hr |
| May 30, 11:12 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| May 30, 11:36 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| May 31, 12:34 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer | 3 hr |
| Jun 30, 4:32 AM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland | 103 min |
| Jun 30, 2:19 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Jul 1, 5:00 PM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 1, 6:11 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 3, 6:11 PM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 4 hr |
| Jul 7, 5:29 PM EDT | Flash Flood Warning | OKX | Passaic | 35 min |
| Jul 8, 5:45 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 4 hr |
| Jul 8, 5:53 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Jul 9, 8:32 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Jul 9, 8:47 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer | 2 hr |
| Jul 10, 1:49 PM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland | 4 hr |
| Jul 10, 2:47 PM EDT | Flash Flood Warning | PHI | Cumberland | 94 min |
| Jul 14, 3:38 PM EDT | Flash Flood Warning | OKX | Bergen | 5 hr |
| Jul 14, 4:13 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 4 hr |
| Jul 14, 4:49 PM EDT | Flash Flood Warning | PHI | Morris, Warren | 3 hr |
| Jul 14, 5:20 PM EDT | Flash Flood Warning | OKX | Bergen | 4 hr |
| Jul 14, 5:25 PM EDT | Flash Flood Warning | OKX | Essex, Union | 4 hr |
| Jul 14, 5:25 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Warren | 4 hr |
| Jul 14, 5:36 PM EDT | Flash Flood Warning | PHI | Middlesex, Morris, Somerset | 4 hr |
| Jul 14, 5:47 PM EDT | Flash Flood Warning | PHI | Morris | 4 hr |
| Jul 14, 5:53 PM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 2 hr |
| Jul 14, 6:26 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 3 hr |
| Jul 14, 6:34 PM EDT | Flash Flood Warning | OKX | Bergen, Hudson | 3 hr |
| Jul 14, 7:11 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 4 hr |
| Jul 14, 7:45 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 2 hr |
| Jul 14, 10:30 PM EDT | Flash Flood Warning | PHI | Cumberland | 3 hr |
| Jul 15, 1:20 AM EDT | Flash Flood Warning | PHI | Ocean | 3 hr |
| Jul 16, 6:46 PM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| Jul 16, 7:38 PM EDT | Flash Flood Warning | PHI | Mercer | 4 hr |
| Jul 20, 5:15 AM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 31, 1:48 PM EDT | Flash Flood Warning | PHI | Morris, Somerset | 4 hr |
| Jul 31, 1:52 PM EDT | Flash Flood Warning | OKX | Essex, Union | 2 hr |
| Jul 31, 2:27 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Jul 31, 2:29 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic | 108 min |
| Jul 31, 2:30 PM EDT | Flash Flood Warning | PHI | Morris | 4 hr |
| Jul 31, 2:46 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 4 hr |
| Jul 31, 2:52 PM EDT | Flash Flood Warning | PHI | Middlesex | 4 hr |
| Jul 31, 3:07 PM EDT | Flash Flood Warning | OKX | Bergen, Hudson | 3 hr |
| Jul 31, 3:10 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Mercer, Monmouth, Ocean | 4 hr |
| Jul 31, 3:49 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 4 hr |
| Jul 31, 4:31 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 3 hr |
| Jul 31, 4:43 PM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 31, 5:21 PM EDT | Flash Flood Warning | PHI | Cumberland | 3 hr |
| Jul 31, 5:53 PM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Cape May, Ocean | 4 hr |
| Aug 13, 6:54 PM EDT | Flash Flood Warning | PHI | Burlington | 2 hr |
| Aug 13, 7:15 PM EDT | Flash Flood Warning | OKX | Essex, Hudson | 69 min |
| Aug 13, 7:17 PM EDT | Flash Flood Warning | OKX | Hudson, Union | 46 min |
| Aug 17, 6:14 PM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 81 min |
| Aug 17, 8:12 PM EDT | Flash Flood Warning | PHI | Burlington | 4 hr |
| Aug 17, 10:01 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 119 min |
| Sep 6, 6:20 PM EDT | Flash Flood Warning | PHI | Monmouth | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burlington County16
- Camden County14
- Gloucester County12
- Monmouth County9
- Ocean County9
- Middlesex County7
- Morris County7
- Mercer County7
- Salem County7
- Bergen County7
- Hudson County7
- Essex County6
- Somerset County5
- Cumberland County5
- Union County5
- Atlantic County4
- Passaic County4
- Hunterdon County3
- Warren County3
- Cape May County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.