Alert archive / New Jersey / Flash Flood Watches
Flash Flood Watches in New Jersey, 2020
12 flash flood watches 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 watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Flash Flood Watches
- 12
- Busiest month
- August6 flash flood watches
- Busiest day
- July 9, 20202 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 |
|---|---|---|---|---|
| Jun 5, 9:47 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 7 more | 12 hr |
| Jul 6, 12:52 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 8 hr |
| Jul 8, 12:13 PM EDT | Flash Flood Watch | PHI | Hunterdon, Morris, Sussex, Warren | 6 hr |
| Jul 9, 3:00 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 30 hr |
| Jul 9, 4:05 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 29 hr |
| Aug 2, 3:32 PM EDT | Flash Flood Watch | OKX | Bergen, Essex, Hudson, Passaic, Union | 48 hr |
| Aug 2, 3:33 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 48 hr |
| Aug 6, 3:37 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more | 44 hr |
| Aug 11, 3:48 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 6 more | 28 hr |
| Aug 12, 5:25 AM EDT | Flash Flood Watch | OKX | Bergen, Essex, Passaic, Union | 13 hr |
| Aug 13, 3:02 AM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more | 17 hr |
| Sep 9, 5:08 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 8 more | 29 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burlington County8
- Camden County8
- Gloucester County8
- Hunterdon County8
- Mercer County8
- Salem County8
- Cumberland County7
- Middlesex County7
- Monmouth County7
- Somerset County7
- Atlantic County6
- Ocean County6
- Warren County6
- Morris County5
- Cape May County4
- Sussex County3
- Bergen County3
- Essex County3
- Passaic County3
- Union County3
- Hudson County2
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.