Alert archive / New Jersey / Excessive Heat Warnings

Excessive Heat Warnings in New Jersey, 2021

5 excessive heat warnings 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 excessive heat warnings reaches back to 2005.

Excessive Heat Warnings by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Excessive Heat Warnings
5
Busiest month
August3 excessive heat warnings
Busiest day
August 10, 20213 excessive heat warnings

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.

IssuedProductOfficeCountiesLasted
Jun 28, 3:13 PM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more53 hr
Jun 30, 4:14 AM EDTExcessive Heat WarningOKXBergen, Essex, Hudson, Passaic, Union16 hr
Aug 10, 3:33 AM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more4 days
Aug 10, 3:53 AM EDTExcessive Heat WarningOKXBergen, Essex, Hudson, Passaic, Union4 days
Aug 10, 3:35 PM EDTExcessive Heat WarningOKXBergen, Essex, Hudson, Passaic, Union3 days

By county

Every county with at least one alert. A county page lists each alert that covered it.

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.