Alert archive / New Jersey / Flash Flood Watches
Flash Flood Watches in New Jersey, 2018
32 flash flood watches 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Flash Flood Watches
- 32
- Busiest month
- July8 flash flood watches
- Busiest day
- April 15, 20182 flash flood watches
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 15, 3:15 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 23 hr |
| Apr 15, 3:41 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more | 20 hr |
| May 15, 3:40 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more | 21 hr |
| May 26, 11:38 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more | 23 hr |
| May 26, 11:45 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 10 hr |
| Jun 2, 3:26 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 24 hr |
| Jun 10, 3:48 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 28 hr |
| Jul 5, 2:59 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more | 20 hr |
| Jul 5, 3:26 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 20 hr |
| Jul 17, 3:36 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 15 hr |
| Jul 17, 3:38 AM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 13 hr |
| Jul 20, 2:44 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more | 34 hr |
| Jul 23, 3:45 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more | 68 hr |
| Jul 25, 6:43 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 9 hr |
| Jul 27, 9:50 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 7 more | 13 hr |
| Aug 2, 3:31 AM EDT | Flash Flood Watch | PHI | Morris, Sussex, Warren | 55 hr |
| Aug 3, 3:06 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 22 hr |
| Aug 10, 3:44 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 36 hr |
| Aug 11, 3:24 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 9 more | 20 hr |
| Aug 12, 10:08 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 6 more | 24 hr |
| Aug 13, 3:35 AM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 20 hr |
| Aug 18, 3:16 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more | 20 hr |
| Aug 18, 3:41 AM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 16 hr |
| Sep 18, 9:27 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more | 6 hr |
| Sep 18, 9:51 AM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 6 hr |
| Sep 27, 12:16 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 20 hr |
| Oct 10, 3:16 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 8 more | 38 hr |
| Oct 10, 3:29 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 39 hr |
| Oct 26, 1:14 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 18 hr |
| Oct 26, 2:59 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean | 15 hr |
| Nov 8, 3:35 PM EST | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 31 hr |
| Nov 25, 3:22 PM EST | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 28 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burlington County16
- Bergen County15
- Essex County15
- Hudson County15
- Passaic County15
- Union County15
- Camden County15
- Gloucester County15
- Mercer County14
- Middlesex County13
- Salem County13
- Hunterdon County12
- Morris County12
- Somerset County12
- Monmouth County11
- Warren County10
- Ocean County9
- Sussex County8
- Atlantic County8
- Cumberland County8
- Cape May County7
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. Warning verification from the Mesonet's Cow. Rebuilt daily.