Alert archive / New Jersey / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in New Jersey, April 2021
17 severe thunderstorm warnings in April 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 April 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 17
- Busiest day
- April 21, 202113 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 |
|---|---|---|---|---|
| Apr 21, 12:25 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 50 min |
| Apr 21, 12:51 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 21 min |
| Apr 21, 12:55 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 27 min |
| Apr 21, 1:10 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 50 min |
| Apr 21, 1:28 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 36 min |
| Apr 21, 1:41 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 64 min |
| Apr 21, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 33 min |
| Apr 21, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Monmouth, Ocean | 43 min |
| Apr 21, 2:12 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic | 48 min |
| Apr 21, 2:17 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 43 min |
| Apr 21, 2:38 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 37 min |
| Apr 21, 2:50 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 40 min |
| Apr 21, 3:02 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 28 min |
| Apr 28, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 43 min |
| Apr 28, 8:45 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Passaic | 30 min |
| Apr 29, 7:45 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 45 min |
| Apr 29, 8:05 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Monmouth, Ocean | 34 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burlington County5
- Camden County5
- Gloucester County5
- Atlantic County4
- Ocean County4
- Warren County3
- Salem County3
- Bergen County3
- Passaic County3
- Monmouth County3
- Sussex County2
- Hunterdon County2
- Essex County2
- Hudson County2
- Mercer County1
- Union County1
- Middlesex County1
- Morris County1
- Somerset County1
- Cumberland County1
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.