Alert archive / New Jersey / Flash Flood Warnings
Flash Flood Warnings in New Jersey, 2020
45 flash 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Flash Flood Warnings
- 45
- Busiest month
- July27 flash flood warnings
- Busiest day
- July 10, 20207 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 |
|---|---|---|---|---|
| Jun 5, 5:27 PM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 3 hr |
| Jun 11, 2:15 PM EDT | Flash Flood Warning | PHI | Burlington, Monmouth, Ocean | 4 hr |
| Jun 20, 3:34 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Jul 1, 12:42 PM EDT | Flash Flood Warning | OKX | Essex, Hudson | 63 min |
| Jul 1, 3:10 PM EDT | Flash Flood Warning | PHI | Atlantic | 3 hr |
| Jul 1, 4:05 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May, Cumberland | 3 hr |
| Jul 6, 1:08 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Jul 6, 2:57 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 6, 3:38 PM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 2 hr |
| Jul 6, 3:47 PM EDT | Flash Flood Warning | PHI | Middlesex, Morris, Somerset | 4 hr |
| Jul 6, 4:02 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic | 115 min |
| Jul 6, 4:49 PM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 62 min |
| Jul 8, 3:00 PM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 3 hr |
| Jul 10, 8:20 AM EDT | Flash Flood Warning | PHI | Cape May | 4 hr |
| Jul 10, 9:01 AM EDT | Flash Flood Warning | PHI | Atlantic, Cape May | 3 hr |
| Jul 10, 10:31 AM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Ocean | 4 hr |
| Jul 10, 12:49 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Monmouth, Ocean, Somerset | 4 hr |
| Jul 10, 12:56 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Jul 10, 1:15 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth, Somerset | 4 hr |
| Jul 10, 1:30 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 4 hr |
| Jul 11, 2:47 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson | 3 hr |
| Jul 11, 2:51 PM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 3 hr |
| Jul 22, 6:42 PM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 2 hr |
| Jul 24, 1:28 AM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 4 hr |
| Jul 24, 9:54 AM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 92 min |
| Jul 24, 10:40 AM EDT | Flash Flood Warning | OKX | Union | 95 min |
| Jul 24, 10:43 AM EDT | Flash Flood Warning | PHI | Camden | 76 min |
| Jul 24, 2:26 PM EDT | Flash Flood Warning | PHI | Burlington | 2 hr |
| Jul 24, 3:34 PM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Ocean | 2 hr |
| Jul 31, 1:29 AM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| Aug 4, 7:28 AM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| Aug 4, 10:02 AM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 4 hr |
| Aug 4, 10:20 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Aug 4, 11:01 AM EDT | Flash Flood Warning | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more | 4 hr |
| Aug 4, 11:43 AM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| Aug 6, 7:33 AM EDT | Flash Flood Warning | PHI | Cumberland, Salem | 2 hr |
| Aug 7, 5:43 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Aug 7, 7:25 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May, Cumberland, Gloucester | 4 hr |
| Aug 12, 1:12 PM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Aug 12, 2:40 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 3 hr |
| Aug 13, 8:37 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 3 hr |
| Aug 13, 9:14 AM EDT | Flash Flood Warning | OKX | Essex, Hudson, Union | 2 hr |
| Aug 13, 10:01 AM EDT | Flash Flood Warning | PHI | Middlesex, Morris, Somerset | 3 hr |
| Aug 13, 4:52 PM EDT | Flash Flood Warning | PHI | Cape May | 113 min |
| Aug 29, 11:58 AM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burlington County11
- Gloucester County10
- Camden County9
- Essex County8
- Hudson County8
- Middlesex County8
- Somerset County8
- Monmouth County6
- Ocean County6
- Atlantic County6
- Union County6
- Bergen County6
- Cape May County5
- Passaic County5
- Salem County5
- Cumberland County4
- Mercer County4
- Morris County2
- Hunterdon County2
- Warren County1
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. Rebuilt daily.