Alert archive / New Jersey / Mesoscale Discussions
Mesoscale Discussions in New Jersey, 2021
86 mesoscale discussions in 2021. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Mesoscale Discussions
- 86
- Busiest month
- July29 mesoscale discussions
- Busiest day
- July 17, 20214 mesoscale discussions
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 |
|---|---|---|---|---|
| Feb 1, 7:13 AM EST | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Morris, Passaic and 4 more | 6 hr |
| Feb 1, 1:43 PM EST | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Essex, Gloucester, Hudson and 10 more | 6 hr |
| Feb 1, 7:27 PM EST | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Morris, Passaic and 2 more | 6 hr |
| Feb 13, 10:02 AM EST | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more | 6 hr |
| Feb 15, 9:16 PM EST | Mesoscale Discussion | SPC | Sussex | 5 hr |
| Feb 18, 9:47 AM EST | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Essex, Gloucester, Hudson and 11 more | 4 hr |
| Feb 18, 10:23 AM EST | Mesoscale Discussion | SPC | Cape May, Cumberland, Salem | 3 hr |
| Feb 19, 4:56 AM EST | Mesoscale Discussion | SPC | Atlantic, Cumberland | 3 hr |
| Feb 22, 7:48 AM EST | Mesoscale Discussion | SPC | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Mar 28, 7:05 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cumberland, Essex, Gloucester and 9 more | 115 min |
| Apr 21, 11:49 AM EDT | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Essex, Hudson, Hunterdon and 10 more | 2 hr |
| Apr 21, 12:22 PM EDT | Mesoscale Discussion | SPC | Cape May, Cumberland, Salem | 113 min |
| Apr 29, 4:52 PM EDT | Mesoscale Discussion | SPC | Atlantic, Cape May, Cumberland, Gloucester, Salem | 2 hr |
| May 5, 1:03 PM EDT | Mesoscale Discussion | SPC | Cumberland, Gloucester, Salem | 2 hr |
| May 23, 1:20 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Morris, Passaic and 4 more | 115 min |
| May 26, 1:21 PM EDT | Mesoscale Discussion | SPC | Cape May, Cumberland | 84 min |
| May 26, 4:41 PM EDT | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Cumberland, Essex, Gloucester and 12 more | 64 min |
| May 26, 6:34 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 13 more | 116 min |
| Jun 3, 1:46 PM EDT | Mesoscale Discussion | SPC | Gloucester, Salem | 119 min |
| Jun 3, 4:47 PM EDT | Mesoscale Discussion | SPC | Gloucester, Hunterdon, Salem, Somerset | 88 min |
| Jun 4, 2:26 PM EDT | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Essex, Gloucester, Hudson and 10 more | 94 min |
| Jun 4, 4:12 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 9 more | 93 min |
| Jun 9, 3:19 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Passaic, Sussex | 116 min |
| Jun 14, 1:40 PM EDT | Mesoscale Discussion | SPC | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 3 hr |
| Jun 14, 6:18 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cumberland, Essex and 14 more | 117 min |
| Jun 14, 6:41 PM EDT | Mesoscale Discussion | SPC | Cumberland, Gloucester, Salem | 2 hr |
| Jun 14, 10:09 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 2 hr |
| Jun 21, 1:51 PM EDT | Mesoscale Discussion | SPC | Hunterdon, Somerset, Warren | 114 min |
| Jun 21, 6:15 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 60 min |
| Jun 21, 6:50 PM EDT | Mesoscale Discussion | SPC | Passaic, Sussex, Warren | 55 min |
| Jun 21, 9:23 PM EDT | Mesoscale Discussion | SPC | Passaic | 97 min |
| Jun 30, 2:16 PM EDT | Mesoscale Discussion | SPC | Sussex | 119 min |
| Jun 30, 6:58 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Morris, Passaic, Sussex, Warren | 92 min |
| Jul 1, 11:45 AM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more | 2 hr |
| Jul 1, 2:36 PM EDT | Mesoscale Discussion | SPC | Burlington, Camden, Cumberland, Gloucester, Mercer, Salem | 84 min |
| Jul 1, 4:16 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 89 min |
| Jul 2, 3:13 PM EDT | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Cumberland, Essex, Gloucester and 12 more | 92 min |
| Jul 6, 12:33 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Essex, Gloucester and 13 more | 2 hr |
| Jul 6, 4:23 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cumberland, Essex and 14 more | 97 min |
| Jul 6, 5:25 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Middlesex, Morris and 5 more | 95 min |
| Jul 7, 1:50 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Middlesex, Morris and 5 more | 115 min |
| Jul 7, 4:48 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Mercer, Middlesex and 7 more | 87 min |
| Jul 7, 7:11 PM EDT | Mesoscale Discussion | SPC | Bergen, Morris, Passaic, Sussex, Warren | 2 hr |
| Jul 8, 1:44 PM EDT | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Essex, Hudson, Hunterdon and 9 more | 3 hr |
| Jul 8, 4:36 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Mercer, Middlesex and 7 more | 114 min |
| Jul 8, 10:01 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 59 min |
| Jul 9, 3:28 AM EDT | Mesoscale Discussion | SPC | Atlantic, Monmouth, Ocean | 2 hr |
| Jul 9, 4:35 PM EDT | Mesoscale Discussion | SPC | Hunterdon, Morris, Somerset, Sussex, Warren | 115 min |
| Jul 12, 1:32 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more | 88 min |
| Jul 12, 7:25 PM EDT | Mesoscale Discussion | SPC | Bergen, Burlington, Camden, Essex, Gloucester, Hudson and 10 more | 2 hr |
| Jul 16, 5:51 PM EDT | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Hunterdon, Morris, Passaic and 4 more | 114 min |
| Jul 17, 12:00 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more | 3 hr |
| Jul 17, 3:02 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cumberland, Essex and 13 more | 88 min |
| Jul 17, 4:38 PM EDT | Mesoscale Discussion | SPC | Bergen, Camden, Essex, Gloucester, Hudson, Hunterdon and 10 more | 97 min |
| Jul 17, 6:54 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cumberland, Essex and 14 more | 2 hr |
| Jul 17, 10:02 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Essex and 12 more | 58 min |
| Jul 21, 10:32 AM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cumberland, Essex and 12 more | 58 min |
| Jul 21, 2:39 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 2 hr |
| Jul 27, 4:36 PM EDT | Mesoscale Discussion | SPC | Bergen, Morris, Passaic, Sussex | 84 min |
| Jul 27, 6:09 PM EDT | Mesoscale Discussion | SPC | Bergen, Passaic, Sussex | 96 min |
| Jul 29, 4:26 PM EDT | Mesoscale Discussion | SPC | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 3 more | 94 min |
| Jul 29, 7:09 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Gloucester, Mercer, Middlesex and 2 more | 96 min |
| Aug 10, 2:30 PM EDT | Mesoscale Discussion | SPC | Camden, Gloucester, Hunterdon, Salem | 3 hr |
| Aug 11, 6:44 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cumberland, Essex and 14 more | 91 min |
| Aug 12, 10:08 PM EDT | Mesoscale Discussion | SPC | Hunterdon, Mercer, Morris, Somerset, Sussex, Warren | 67 min |
| Aug 13, 6:02 PM EDT | Mesoscale Discussion | SPC | Atlantic, Cape May, Cumberland, Gloucester, Salem | 58 min |
| Aug 19, 12:44 AM EDT | Mesoscale Discussion | SPC | Burlington, Hudson, Hunterdon, Mercer, Middlesex, Monmouth and 2 more | 61 min |
| Aug 30, 4:51 PM EDT | Mesoscale Discussion | SPC | Camden, Cumberland, Gloucester, Salem | 84 min |
| Sep 1, 11:03 AM EDT | Mesoscale Discussion | SPC | Cape May, Cumberland, Salem | 2 hr |
| Sep 1, 3:09 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 3 hr |
| Sep 1, 4:28 PM EDT | Mesoscale Discussion | SPC | Burlington, Camden, Gloucester, Hudson, Mercer, Middlesex and 5 more | 2 hr |
| Sep 1, 6:34 PM EDT | Mesoscale Discussion | SPC | Burlington, Camden, Gloucester, Hudson, Mercer, Middlesex and 3 more | 56 min |
| Sep 1, 8:32 PM EDT | Mesoscale Discussion | SPC | Essex, Hudson, Middlesex, Monmouth, Somerset, Union | 88 min |
| Sep 8, 4:15 PM EDT | Mesoscale Discussion | SPC | Sussex, Warren | 2 hr |
| Sep 8, 9:25 PM EDT | Mesoscale Discussion | SPC | Hunterdon, Morris, Passaic, Somerset, Sussex, Warren | 95 min |
| Sep 8, 10:42 PM EDT | Mesoscale Discussion | SPC | Essex, Hunterdon, Morris, Passaic, Somerset, Union and 1 more | 2 hr |
| Sep 15, 10:33 AM EDT | Mesoscale Discussion | SPC | Sussex, Warren | 2 hr |
| Sep 15, 3:04 PM EDT | Mesoscale Discussion | SPC | Morris, Passaic, Sussex | 116 min |
| Sep 15, 8:11 PM EDT | Mesoscale Discussion | SPC | Sussex, Warren | 2 hr |
| Sep 23, 10:30 AM EDT | Mesoscale Discussion | SPC | Camden, Cumberland, Gloucester, Salem | 2 hr |
| Sep 23, 1:29 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 14 more | 61 min |
| Oct 4, 4:44 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more | 2 hr |
| Oct 16, 1:50 PM EDT | Mesoscale Discussion | SPC | Camden, Gloucester, Hunterdon, Mercer, Morris, Salem and 2 more | 115 min |
| Oct 25, 6:41 PM EDT | Mesoscale Discussion | SPC | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 2 hr |
| Nov 13, 12:07 PM EST | Mesoscale Discussion | SPC | Bergen, Essex, Hudson, Mercer, Middlesex, Monmouth and 5 more | 113 min |
| Dec 11, 7:29 PM EST | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gloucester County47
- Hunterdon County44
- Somerset County44
- Salem County44
- Morris County43
- Warren County43
- Camden County43
- Sussex County42
- Mercer County42
- Passaic County40
- Burlington County40
- Cumberland County39
- Essex County37
- Hudson County37
- Union County37
- Bergen County36
- Middlesex County36
- Monmouth County36
- Atlantic County30
- Ocean County29
- Cape May County23
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.