Alert archive / New Jersey / Flash Flood Warnings / 2024
Flash Flood Warnings in New Jersey, August 2024
34 flash flood warnings in August 2024. 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 August 2024. Tap one for its archive.
- Flash Flood Warnings
- 34
- Busiest day
- August 6, 202413 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 2, 9:40 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 4 hr |
| Aug 2, 10:31 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Aug 3, 3:46 PM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 119 min |
| Aug 3, 5:31 PM EDT | Flash Flood Warning | OKX | Bergen, Hudson | 119 min |
| Aug 6, 3:45 PM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 2 hr |
| Aug 6, 4:13 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Monmouth | 8 hr |
| Aug 6, 4:55 PM EDT | Flash Flood Warning | PHI | Monmouth | 6 hr |
| Aug 6, 4:58 PM EDT | Flash Flood Warning | OKX | Bergen | 5 hr |
| Aug 6, 5:29 PM EDT | Flash Flood Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 6 hr |
| Aug 6, 5:36 PM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 8 hr |
| Aug 6, 5:43 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 4 hr |
| Aug 6, 6:37 PM EDT | Flash Flood Warning | PHI | Warren | 3 hr |
| Aug 6, 6:39 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 5 hr |
| Aug 6, 6:46 PM EDT | Flash Flood Warning | PHI | Morris, Somerset | 4 hr |
| Aug 6, 6:57 PM EDT | Flash Flood Warning | PHI | Warren | 3 hr |
| Aug 6, 7:04 PM EDT | Flash Flood Warning | PHI | Burlington | 5 hr |
| Aug 6, 7:24 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 5 hr |
| Aug 6, 8:29 PM EDT | Flash Flood Warning | PHI | Burlington | 4 hr |
| Aug 6, 8:49 PM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| Aug 6, 9:12 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 3 hr |
| Aug 7, 2:29 AM EDT | Flash Flood Warning | PHI | Cape May, Cumberland | 113 min |
| Aug 9, 3:31 PM EDT | Flash Flood Warning | PHI | Warren | 108 min |
| Aug 9, 4:11 PM EDT | Flash Flood Warning | PHI | Warren | 100 min |
| Aug 9, 5:30 PM EDT | Flash Flood Warning | PHI | Mercer | 83 min |
| Aug 18, 3:09 AM EDT | Flash Flood Warning | PHI | Burlington, Camden | 93 min |
| Aug 18, 4:41 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Mercer | 2 hr |
| Aug 18, 4:56 PM EDT | Flash Flood Warning | PHI | Warren | 6 hr |
| Aug 18, 5:31 PM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 6 hr |
| Aug 18, 5:38 PM EDT | Flash Flood Warning | PHI | Sussex, Warren | 4 hr |
| Aug 18, 5:46 PM EDT | Flash Flood Warning | OKX | Bergen, Passaic | 3 hr |
| Aug 18, 6:01 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 6 hr |
| Aug 18, 6:36 PM EDT | Flash Flood Warning | PHI | Morris, Somerset | 5 hr |
| Aug 18, 6:38 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Passaic, Union | 3 hr |
| Aug 18, 7:17 PM EDT | Flash Flood Warning | OKX | Bergen, Hudson, Union | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burlington County8
- Warren County8
- Bergen County7
- Camden County6
- Middlesex County5
- Monmouth County5
- Somerset County5
- Passaic County4
- Mercer County4
- Morris County4
- Hudson County3
- Hunterdon County3
- Union County3
- Gloucester County2
- Ocean County2
- Essex County2
- Sussex County2
- Salem County1
- Cape May County1
- Cumberland County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.