Alert archive / New Jersey / Union County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Union County, New Jersey, 2026

17 severe thunderstorm warnings in 2026. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Union County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Severe Thunderstorm Warnings
17
Busiest month
July6 severe thunderstorm warnings
Busiest day
May 20, 20262 severe thunderstorm 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.

IssuedProductOfficeLasted
Mar 16, 11:54 PM EDTSevere Thunderstorm WarningOKX36 min
May 20, 6:07 PM EDTSevere Thunderstorm WarningOKX53 min
May 20, 6:51 PM EDTSevere Thunderstorm WarningOKX39 min
Jun 6, 6:45 PM EDTSevere Thunderstorm WarningOKX60 min
Jun 6, 7:27 PM EDTSevere Thunderstorm WarningOKX63 min
Jun 11, 9:44 PM EDTSevere Thunderstorm WarningOKX24 min
Jun 22, 3:06 PM EDTSevere Thunderstorm WarningOKX39 min
Jul 3, 7:47 PM EDTSevere Thunderstorm Warning Destructive damage threatOKX28 min
Jul 3, 8:02 PM EDTSevere Thunderstorm Warning Considerable damage threatOKX28 min
Jul 15, 4:29 PM EDTSevere Thunderstorm Warning Considerable damage threatOKX46 min
Jul 15, 5:05 PM EDTSevere Thunderstorm WarningOKX40 min
Jul 28, 3:20 PM EDTSevere Thunderstorm WarningOKX40 min
Jul 28, 4:06 PM EDTSevere Thunderstorm WarningOKX39 min
Aug 7, 5:20 PM EDTSevere Thunderstorm WarningOKX40 min
Aug 23, 5:53 AM EDTSevere Thunderstorm WarningOKX22 min
Sep 1, 6:22 PM EDTSevere Thunderstorm WarningOKX34 min
Sep 1, 6:50 PM EDTSevere Thunderstorm WarningOKX40 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 20, 20262severe thunderstorm warnings
  2. June 6, 20262severe thunderstorm warnings
  3. July 15, 20262severe thunderstorm warnings
  4. July 28, 20262severe thunderstorm warnings
  5. September 1, 20262severe thunderstorm warnings
  6. March 17, 20261severe thunderstorm warnings
  7. June 12, 20261severe thunderstorm warnings
  8. June 22, 20261severe thunderstorm warnings
  9. July 3, 20261severe thunderstorm warnings
  10. July 4, 20261severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

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.