Alert archive / New Jersey / Heat Advisories
Heat Advisories in New Jersey, 2021
16 heat advisories 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Heat Advisories
- 16
- Busiest month
- June6 heat advisories
- Busiest day
- August 10, 20213 heat advisories
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, 3:35 PM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Mercer | 4 days |
| Jun 7, 12:34 PM EDT | Heat Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 27 hr |
| Jun 21, 4:35 AM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Mercer | 15 hr |
| Jun 26, 3:45 PM EDT | Heat Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 4 days |
| Jun 27, 3:19 AM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more | 4 days |
| Jun 28, 3:13 PM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more | 53 hr |
| Jul 5, 3:21 AM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 6 more | 65 hr |
| Jul 5, 4:08 AM EDT | Heat Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 64 hr |
| Jul 11, 6:18 PM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Ocean | 50 hr |
| Jul 14, 3:20 PM EDT | Heat Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 3 days |
| Jul 15, 2:33 PM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more | 52 hr |
| Aug 10, 3:33 AM EDT | Heat Advisory | PHI | Atlantic, Cape May, Cumberland, Monmouth, Ocean, Salem and 2 more | 4 days |
| Aug 10, 3:53 AM EDT | Heat Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 37 hr |
| Aug 10, 3:35 PM EDT | Heat Advisory | OKX | Passaic | 3 days |
| Aug 23, 3:16 PM EDT | Heat Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 4 days |
| Aug 25, 2:13 PM EDT | Heat Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more | 53 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
- Mercer County7
- Passaic County7
- Ocean County7
- Bergen County6
- Essex County6
- Hudson County6
- Union County6
- Monmouth County6
- Hunterdon County5
- Middlesex County5
- Morris County5
- Somerset County5
- Salem County3
- Sussex County3
- Warren County3
- Atlantic County1
- Cape May County1
- Cumberland County1
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.