Weather alerts in New Jersey, 2020
1,437 weather alerts in 2020, 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 2020. Tap one for its archive.
- Alerts
- 1,437
- Warnings
- 536
- Watches
- 88
- Advisories
- 406
- Busiest month
- July316 alerts
- Busiest day
- July 6, 202056 alerts
Over time
By month
The alerts
1,437 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.
- Ocean County277
- Burlington County274
- Atlantic County257
- Salem County245
- Cumberland County241
- Gloucester County238
- Monmouth County238
- Camden County236
- Hunterdon County220
- Middlesex County216
- Somerset County216
- Cape May County197
- Mercer County195
- Essex County181
- Warren County178
- Union County176
- Hudson County171
- Morris County170
- Bergen County158
- Passaic County156
- Sussex County146
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.