Alert archive / New Jersey / Atlantic County
Weather alerts in Atlantic County, New Jersey, 2026
173 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Atlantic County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 173
- Warnings
- 61
- Watches
- 37
- Advisories
- 35
- Busiest month
- July37 alerts
- Busiest day
- August 20, 20269 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 2 tornado warnings covering Atlantic County in 2026 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 3 minutes after it went out.
Atlantic County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 1 | 100% | 3 min |
| Severe thunderstorm warnings | 32 | 17 | 47% | 9 | 100% | 21 min |
| Flash flood warnings | 8 | 3 | 63% | 6 | 67% | 23 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Philadelphia/Mount Holly: tornado warnings | 35 | 10 | 71% | 16 | 94% | 12 min |
| NWS Philadelphia/Mount Holly: severe thunderstorm warnings | 372 | 219 | 41% | 854 | 94% | 27 min |
| NWS Philadelphia/Mount Holly: flash flood warnings | 156 | 90 | 42% | 307 | 92% | 63 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 1, 5:27 AM EST | Snow Squall Warning | PHI | 63 min |
| Jan 1, 7:14 AM EST | Snow Squall Warning | PHI | 46 min |
| Jan 7, 12:12 AM EST | Dense Fog Advisory | PHI | 8 hr |
| Jan 17, 8:17 PM EST | Dense Fog Advisory | PHI | 4 hr |
| Jan 22, 2:12 AM EST | Winter Storm Watch | PHI | 34 hr |
| Jan 22, 12:59 PM EST | Cold Weather Advisory | PHI | 47 hr |
| Jan 23, 12:38 PM EST | Winter Storm Warning | PHI | 60 hr |
| Jan 25, 6:01 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 25, 3:02 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 26, 1:16 AM EST | Cold Weather Advisory | PHI | 7 days |
| Jan 30, 3:54 PM EST | Coastal Flood Advisory | PHI | 44 hr |
| Feb 1, 3:20 PM EST | Coastal Flood Advisory | PHI | 22 hr |
| Feb 5, 12:15 PM EST | Extreme Cold Watch | PHI | 13 hr |
| Feb 5, 12:21 PM EST | High Wind Watch | PHI | 13 hr |
| Feb 6, 1:34 AM EST | Extreme Cold Warning | PHI | 3 days |
| Feb 6, 1:34 AM EST | High Wind Warning | PHI | 42 hr |
| Feb 6, 1:34 AM EST | Wind Advisory | PHI | 48 hr |
| Feb 7, 6:34 AM EST | Snow Squall Warning | PHI | 41 min |
| Feb 7, 7:14 AM EST | Snow Squall Warning | PHI | 31 min |
| Feb 7, 7:44 AM EST | Snow Squall Warning | PHI | 31 min |
| Feb 7, 8:15 AM EST | Snow Squall Warning | PHI | 30 min |
| Feb 7, 8:23 AM EST | Snow Squall Warning | PHI | 37 min |
| Feb 7, 8:46 AM EST | Snow Squall Warning | PHI | 15 min |
| Feb 8, 1:59 AM EST | Cold Weather Advisory | PHI | 32 hr |
| Feb 17, 1:15 PM EST | Dense Fog Advisory | PHI | 21 hr |
| Feb 20, 1:50 PM EST | Winter Storm Watch | PHI | 24 hr |
| Feb 20, 3:50 PM EST | Coastal Flood Watch | PHI | 23 hr |
| Feb 21, 3:27 AM EST | Blizzard Warning | PHI | 58 hr |
| Feb 21, 2:45 PM EST | Coastal Flood Warning | PHI | 38 hr |
| Feb 22, 2:22 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 22, 4:58 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 23, 4:46 AM EST | Coastal Flood Advisory | PHI | 12 hr |
| Mar 3, 4:04 PM EST | Dense Fog Advisory | PHI | 6 hr |
| Mar 4, 1:08 PM EST | Dense Fog Advisory | PHI | 16 hr |
| Mar 6, 1:00 PM EST | Dense Fog Advisory | PHI | 23 hr |
| Mar 8, 1:22 AM EST | Dense Fog Advisory | PHI | 9 hr |
| Mar 9, 1:03 AM EDT | Dense Fog Advisory | PHI | 5 hr |
| Mar 9, 7:33 PM EDT | Dense Fog Advisory | PHI | 10 hr |
| Mar 11, 6:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Mar 11, 7:03 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Mar 11, 8:58 PM EDT | Severe Thunderstorm Warning | PHI | 47 min |
| Mar 11, 9:02 PM EDT | Severe Thunderstorm Warning | PHI | 43 min |
| Mar 15, 12:47 PM EDT | Wind Advisory | PHI | 37 hr |
| Mar 16, 11:30 AM EDT | Tornado Watch | SPC | 6 hr |
| Mar 16, 3:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Mar 16, 8:15 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 16, 10:50 PM EDT | Severe Thunderstorm Warning | PHI | 55 min |
| Mar 16, 10:55 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 16, 11:19 PM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Mar 16, 11:37 PM EDT | Severe Thunderstorm Warning | PHI | 38 min |
| Apr 3, 5:34 AM EDT | Dense Fog Advisory | PHI | 5 hr |
| Apr 6, 12:15 PM EDT | Freeze Watch | PHI | 14 hr |
| Apr 7, 2:19 AM EDT | Freeze Watch | PHI | 31 hr |
| Apr 7, 2:19 AM EDT | Freeze Warning | PHI | 31 hr |
| Apr 8, 8:55 AM EDT | Freeze Warning | PHI | 24 hr |
| Apr 17, 3:00 PM EDT | Coastal Flood Advisory | PHI | 39 hr |
| Apr 18, 1:02 PM EDT | Freeze Watch | PHI | 37 hr |
| Apr 19, 4:37 PM EDT | Coastal Flood Advisory | PHI | 10 hr |
| Apr 20, 2:25 AM EDT | Freeze Warning | PHI | 31 hr |
| Apr 26, 2:38 AM EDT | Frost Advisory | PHI | 29 hr |
| May 16, 4:58 AM EDT | Rip Current Statement | PHI | 15 hr |
| May 20, 1:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 20, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 20, 5:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 20, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| May 21, 3:51 PM EDT | Rip Current Statement | PHI | 4 days |
| May 22, 3:54 PM EDT | High Surf Advisory | PHI | 50 hr |
| May 27, 11:58 AM EDT | Severe Thunderstorm Warning | PHI | 62 min |
| May 27, 1:00 PM EDT | Severe Thunderstorm Warning | PHI | 15 min |
| Jun 6, 4:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 6, 4:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 6, 6:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 6, 8:03 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Jun 6, 8:43 PM EDT | Severe Thunderstorm Warning | PHI | 36 min |
| Jun 11, 3:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 11, 6:09 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 11, 7:14 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 13, 2:49 AM EDT | Coastal Flood Advisory | PHI | 21 hr |
| Jun 14, 12:11 AM EDT | Coastal Flood Advisory | PHI | 25 hr |
| Jun 14, 7:06 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 3:10 AM EDT | Coastal Flood Advisory | PHI | 23 hr |
| Jun 16, 5:07 PM EDT | Coastal Flood Advisory | PHI | 9 hr |
| Jun 17, 5:23 PM EDT | Rip Current Statement | PHI | 27 hr |
| Jun 21, 4:20 PM EDT | Rip Current Statement | PHI | 28 hr |
| Jun 22, 1:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 22, 4:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 22, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Jun 22, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Jun 28, 3:57 AM EDT | Extreme Heat Watch | PHI | 71 hr |
| Jun 30, 2:44 AM EDT | Extreme Heat Warning | PHI | 5 days |
| Jun 30, 4:10 PM EDT | Rip Current Statement | PHI | 28 hr |
| Jul 1, 3:15 AM EDT | Heat Advisory | PHI | 4 days |
| Jul 3, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | 12 min |
| Jul 4, 3:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 8:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 4, 9:13 PM EDT | Severe Thunderstorm Warning | PHI | 62 min |
| Jul 4, 9:41 PM EDT | Severe Thunderstorm Warning | PHI | 49 min |
| Jul 4, 9:50 PM EDT | Severe Thunderstorm Warning | PHI | 55 min |
| Jul 4, 10:52 PM EDT | Heat Advisory | PHI | 21 hr |
| Jul 5, 2:33 AM EDT | Flood Watch | PHI | 41 hr |
| Jul 5, 6:44 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 6, 12:01 AM EDT | Severe Thunderstorm Warning | PHI | 29 min |
| Jul 9, 2:09 AM EDT | Flood Watch | PHI | 19 hr |
| Jul 9, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 9, 7:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 9, 7:31 PM EDT | Flash Flood Warning | PHI | 119 min |
| Jul 11, 4:16 AM EDT | Coastal Flood Advisory | PHI | 19 hr |
| Jul 11, 2:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 4:25 AM EDT | Coastal Flood Advisory | PHI | 20 hr |
| Jul 13, 2:45 PM EDT | Heat Advisory | PHI | 53 hr |
| Jul 18, 12:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 18, 1:55 PM EDT | Tornado Watch | SPC | 6 hr |
| Jul 18, 4:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 21, 1:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 2:06 PM EDT | Tornado Watch | SPC | 7 hr |
| Jul 21, 3:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 21, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | 45 min |
| Jul 21, 5:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 21, 6:34 PM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Jul 27, 2:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | 31 min |
| Jul 27, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | 39 min |
| Jul 27, 6:07 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Jul 27, 7:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 28, 12:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 12:51 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 28, 4:20 PM EDT | Tornado Watch | SPC | 5 hr |
| Jul 28, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | 23 min |
| Aug 2, 2:35 PM EDT | Rip Current Statement | PHI | 29 hr |
| Aug 3, 10:12 AM EDT | Flash Flood Warning | PHI | 86 min |
| Aug 7, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 1:12 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 8, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | 47 min |
| Aug 8, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | 29 min |
| Aug 10, 9:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 10, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 4:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 19, 2:08 PM EDT | Flood Watch | PHI | 31 hr |
| Aug 20, 2:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 20, 2:58 PM EDT | Tornado Watch | SPC | 7 hr |
| Aug 20, 4:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 20, 4:38 PM EDT | Tornado Warning | PHI | 37 min |
| Aug 20, 4:41 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 20, 5:24 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 20, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | 37 min |
| Aug 20, 7:01 PM EDT | Tornado Warning | PHI | 29 min |
| Aug 20, 7:10 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Aug 26, 2:31 PM EDT | Flood Watch | PHI | 35 hr |
| Aug 27, 10:57 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 12:51 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 27, 1:15 PM EDT | Severe Thunderstorm Warning | PHI | 45 min |
| Aug 27, 2:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 3:04 PM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Aug 28, 1:03 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 28, 1:48 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 28, 2:08 PM EDT | Severe Thunderstorm Warning | PHI | 52 min |
| Sep 1, 3:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 1, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | 49 min |
| Sep 1, 9:26 PM EDT | Flash Flood Warning | PHI | 115 min |
| Sep 1, 9:33 PM EDT | Severe Thunderstorm Warning | PHI | 57 min |
| Sep 1, 9:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 1, 9:54 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Sep 5, 4:13 PM EDT | Coastal Flood Advisory | PHI | 29 hr |
| Sep 21, 4:10 AM EDT | Rip Current Statement | PHI | 7 days |
| Sep 21, 1:24 PM EDT | Coastal Flood Watch | PHI | 27 hr |
| Sep 21, 1:24 PM EDT | Coastal Flood Advisory | PHI | 4 days |
| Sep 21, 3:27 PM EDT | High Surf Advisory | PHI | 6 days |
| Sep 22, 2:51 AM EDT | Wind Advisory | PHI | 5 days |
| Sep 22, 4:14 PM EDT | Coastal Flood Warning | PHI | 5 days |
| Sep 24, 3:03 AM EDT | High Wind Watch | PHI | 24 hr |
| Sep 25, 3:15 AM EDT | High Wind Warning | PHI | 51 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
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.