Weather alerts in New Jersey, 2021
1,580 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 1,580
- Warnings
- 687
- Watches
- 94
- Advisories
- 414
- Busiest month
- July436 alerts
- Busiest day
- September 1, 202149 alerts
Over time
By month
The alerts
1,580 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Burlington County278
- Hunterdon County255
- Monmouth County254
- Somerset County251
- Ocean County243
- Morris County242
- Middlesex County239
- Bergen County238
- Mercer County238
- Essex County230
- Passaic County223
- Warren County222
- Hudson County217
- Gloucester County214
- Camden County210
- Union County198
- Sussex County185
- Salem County184
- Atlantic County178
- Cumberland County145
- Cape May County136
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.