Alert archive / New Jersey / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in New Jersey, July 2021
103 severe thunderstorm warnings in July 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in July 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 103
- Busiest day
- July 17, 202115 severe thunderstorm 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 |
|---|---|---|---|---|
| Jun 30, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 38 min |
| Jun 30, 9:39 PM EDT | Severe Thunderstorm Warning | OKX | Essex, Hudson, Union | 51 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Salem and 1 more | 48 min |
| Jul 1, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland, Salem | 80 min |
| Jul 1, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more | 46 min |
| Jul 1, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 93 min |
| Jul 1, 11:40 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 39 min |
| Jul 2, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 52 min |
| Jul 2, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 50 min |
| Jul 6, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 49 min |
| Jul 6, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 60 min |
| Jul 6, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 59 min |
| Jul 6, 5:53 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 37 min |
| Jul 6, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset, Warren | 65 min |
| Jul 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 31 min |
| Jul 6, 6:17 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Somerset | 58 min |
| Jul 6, 6:28 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Hudson, Union | 47 min |
| Jul 6, 6:41 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 64 min |
| Jul 6, 7:01 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more | 59 min |
| Jul 6, 7:59 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean, Somerset | 61 min |
| Jul 6, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 46 min |
| Jul 6, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 53 min |
| Jul 6, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 40 min |
| Jul 6, 9:00 PM EDT | Severe Thunderstorm Warning | OKX | Union | 60 min |
| Jul 6, 9:04 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 41 min |
| Jul 6, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset | 61 min |
| Jul 6, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 57 min |
| Jul 6, 10:02 PM EDT | Severe Thunderstorm Warning | OKX | Hudson, Union | 43 min |
| Jul 6, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 39 min |
| Jul 6, 11:30 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Ocean | 45 min |
| Jul 8, 1:24 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Passaic | 51 min |
| Jul 8, 1:49 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 41 min |
| Jul 8, 2:11 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Passaic | 49 min |
| Jul 8, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 21 min |
| Jul 8, 2:29 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 46 min |
| Jul 8, 3:03 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 42 min |
| Jul 8, 4:02 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 31 min |
| Jul 8, 4:43 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 16 min |
| Jul 8, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 41 min |
| Jul 8, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 39 min |
| Jul 8, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex | 51 min |
| Jul 8, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 44 min |
| Jul 9, 6:19 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 41 min |
| Jul 9, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 63 min |
| Jul 9, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 23 min |
| Jul 9, 7:43 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem | 62 min |
| Jul 9, 8:25 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 65 min |
| Jul 12, 3:08 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 67 min |
| Jul 12, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 41 min |
| Jul 12, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 42 min |
| Jul 12, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Mercer | 67 min |
| Jul 12, 5:51 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Passaic | 39 min |
| Jul 12, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 63 min |
| Jul 12, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 34 min |
| Jul 12, 6:58 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Passaic | 41 min |
| Jul 12, 7:06 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 69 min |
| Jul 14, 7:03 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 42 min |
| Jul 14, 7:24 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 36 min |
| Jul 16, 5:29 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 46 min |
| Jul 17, 1:05 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 40 min |
| Jul 17, 1:56 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 36 min |
| Jul 17, 2:01 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Union | 44 min |
| Jul 17, 2:42 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Union | 33 min |
| Jul 17, 2:56 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 49 min |
| Jul 17, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 39 min |
| Jul 17, 3:18 PM EDT | Severe Thunderstorm Warning | OKX | Essex, Hudson, Union | 42 min |
| Jul 17, 3:51 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 24 min |
| Jul 17, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 50 min |
| Jul 17, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 19 min |
| Jul 17, 6:02 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 43 min |
| Jul 17, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 51 min |
| Jul 17, 6:51 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 39 min |
| Jul 17, 7:01 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 44 min |
| Jul 17, 7:26 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 49 min |
| Jul 17, 8:00 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Mercer, Monmouth | 45 min |
| Jul 17, 8:35 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 40 min |
| Jul 17, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset | 54 min |
| Jul 17, 9:27 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 48 min |
| Jul 17, 9:30 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 29 min |
| Jul 17, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 42 min |
| Jul 17, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 54 min |
| Jul 21, 12:51 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Ocean | 39 min |
| Jul 21, 12:53 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 67 min |
| Jul 21, 1:28 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 47 min |
| Jul 21, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 49 min |
| Jul 21, 2:13 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 47 min |
| Jul 21, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 26 min |
| Jul 21, 3:04 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 56 min |
| Jul 21, 3:16 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 44 min |
| Jul 21, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 33 min |
| Jul 21, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 47 min |
| Jul 21, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 42 min |
| Jul 21, 3:57 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Salem | 33 min |
| Jul 21, 5:31 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 29 min |
| Jul 25, 10:58 PM EDT | Severe Thunderstorm Warning | OKX | Bergen | 38 min |
| Jul 27, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 24 min |
| Jul 27, 6:07 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 23 min |
| Jul 29, 4:30 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 45 min |
| Jul 29, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 42 min |
| Jul 29, 6:45 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer | 45 min |
| Jul 29, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 50 min |
| Jul 29, 7:28 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 47 min |
| Jul 29, 8:03 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 57 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hunterdon County29
- Burlington County27
- Somerset County26
- Monmouth County24
- Mercer County23
- Middlesex County23
- Ocean County19
- Morris County18
- Camden County17
- Warren County15
- Gloucester County13
- Sussex County13
- Salem County12
- Atlantic County9
- Bergen County9
- Union County8
- Hudson County7
- Essex County6
- Cape May County5
- Cumberland County5
- Passaic County5
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. Warning verification from the Mesonet's Cow. Rebuilt daily.