Alert archive / New Jersey / Severe Thunderstorm Watches

Severe Thunderstorm Watches in New Jersey, 2021

21 severe thunderstorm watches 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 severe thunderstorm watches reaches back to 1997.

Severe Thunderstorm Watches by county

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

Severe Thunderstorm Watches
21
Busiest month
July7 severe thunderstorm watches
Busiest day
June 14, 20212 severe thunderstorm watches

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
Mar 28, 5:05 PM EDTSevere Thunderstorm WatchSPCAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more4 hr
Apr 21, 12:28 PM EDTSevere Thunderstorm WatchSPCAtlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more5 hr
May 26, 2:48 PM EDTSevere Thunderstorm WatchSPCAtlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more7 hr
Jun 3, 2:48 PM EDTSevere Thunderstorm WatchSPCCamden, Cumberland, Gloucester, Hunterdon, Mercer, Morris and 4 more6 hr
Jun 4, 3:09 PM EDTSevere Thunderstorm WatchSPCAtlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 13 more5 hr
Jun 14, 2:06 PM EDTSevere Thunderstorm WatchSPCBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more9 hr
Jun 14, 7:29 PM EDTSevere Thunderstorm WatchSPCAtlantic, Cape May, Cumberland6 hr
Jun 21, 4:33 PM EDTSevere Thunderstorm WatchSPCAtlantic, Burlington, Camden, Cape May, Cumberland, Essex and 13 more6 hr
Jun 30, 3:21 PM EDTSevere Thunderstorm WatchSPCBergen, Morris, Passaic, Sussex, Warren7 hr
Jul 1, 12:46 PM EDTSevere Thunderstorm WatchSPCAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more7 hr
Jul 6, 1:32 PM EDTSevere Thunderstorm WatchSPCAtlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more8 hr
Jul 7, 2:41 PM EDTSevere Thunderstorm WatchSPCBergen, Essex, Hudson, Hunterdon, Mercer, Middlesex and 7 more10 hr
Jul 8, 2:09 PM EDTSevere Thunderstorm WatchSPCBergen, Essex, Hudson, Hunterdon, Mercer, Middlesex and 7 more7 hr
Jul 12, 3:34 PM EDTSevere Thunderstorm WatchSPCBergen, Burlington, Camden, Essex, Gloucester, Hudson and 12 more5 hr
Jul 17, 1:13 PM EDTSevere Thunderstorm WatchSPCAtlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more10 hr
Jul 21, 11:56 AM EDTSevere Thunderstorm WatchSPCAtlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more7 hr
Aug 11, 3:02 PM EDTSevere Thunderstorm WatchSPCCamden, Cumberland, Gloucester, Hunterdon, Mercer, Salem and 1 more6 hr
Sep 8, 7:54 PM EDTSevere Thunderstorm WatchSPCBergen, Hunterdon, Mercer, Morris, Passaic, Somerset and 2 more4 hr
Sep 13, 7:44 PM EDTSevere Thunderstorm WatchSPCHunterdon, Mercer, Middlesex, Morris, Somerset, Warren4 hr
Sep 15, 3:43 PM EDTSevere Thunderstorm WatchSPCSussex, Warren6 hr
Nov 13, 12:27 PM ESTSevere Thunderstorm WatchSPCBergen, Essex, Hudson, Middlesex, Monmouth, Morris and 4 more6 hr

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.

  1. June 14, 20212severe thunderstorm watches
  2. March 28, 20211severe thunderstorm watches
  3. April 21, 20211severe thunderstorm watches
  4. May 26, 20211severe thunderstorm watches
  5. June 3, 20211severe thunderstorm watches
  6. June 4, 20211severe thunderstorm watches
  7. June 21, 20211severe thunderstorm watches
  8. June 30, 20211severe thunderstorm watches
  9. July 1, 20211severe thunderstorm watches
  10. July 6, 20211severe thunderstorm watches
  11. July 7, 20211severe thunderstorm watches
  12. July 8, 20211severe thunderstorm watches

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.