Alert archive / New Jersey / Cape May County

Weather alerts in Cape May County, New Jersey, 2024

140 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cape May County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
140
Warnings
24
Watches
20
Advisories
68
Busiest month
June18 alerts
Busiest day
July 17, 20246 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Cape May County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings5340%1100%24 min
Flash flood warnings2150%1100%202 min

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Philadelphia/Mount Holly: tornado warnings7186%1100%13 min
NWS Philadelphia/Mount Holly: severe thunderstorm warnings21913737%46390%23 min
NWS Philadelphia/Mount Holly: flash flood warnings662759%6184%86 min

An office's figures cover every county it serves, including across state lines.

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.

IssuedProductOfficeLasted
Jan 7, 3:15 PM ESTFlood WatchPHI60 hr
Jan 7, 3:24 PM ESTHigh Wind WatchPHI24 hr
Jan 8, 3:27 PM ESTHigh Wind WarningPHI33 hr
Jan 9, 5:03 AM ESTCoastal Flood AdvisoryPHI38 hr
Jan 10, 3:47 AM ESTWind AdvisoryPHI12 hr
Jan 11, 3:46 PM ESTCoastal Flood AdvisoryPHI3 days
Jan 11, 3:48 PM ESTWind AdvisoryPHI49 hr
Jan 12, 10:05 AM ESTHigh Wind WarningPHI17 hr
Jan 12, 10:05 AM ESTWind AdvisoryPHI31 hr
Jan 14, 2:48 AM ESTWind AdvisoryPHI15 hr
Jan 15, 4:12 AM ESTWinter Weather AdvisoryPHI35 hr
Jan 17, 3:16 PM ESTWinter Weather AdvisoryPHI53 hr
Jan 25, 6:41 PM ESTDense Fog AdvisoryPHI17 hr
Jan 26, 5:33 PM ESTDense Fog AdvisoryPHI16 hr
Jan 27, 4:04 PM ESTCoastal Flood AdvisoryPHI4 days
Jan 28, 2:10 PM ESTCoastal Flood AdvisoryPHI52 hr
Feb 5, 9:20 AM ESTCoastal Flood AdvisoryPHI5 days
Feb 10, 7:29 PM ESTCoastal Flood AdvisoryPHI23 hr
Feb 11, 4:02 PM ESTCoastal Flood WarningPHI48 hr
Feb 11, 4:02 PM ESTCoastal Flood AdvisoryPHI63 hr
Feb 12, 3:52 AM ESTWind AdvisoryPHI34 hr
Feb 15, 3:33 PM ESTWinter Weather AdvisoryPHI42 hr
Feb 27, 3:16 PM ESTWind AdvisoryPHI35 hr
Mar 7, 11:34 AM ESTCoastal Flood AdvisoryPHI26 hr
Mar 8, 2:36 PM ESTCoastal Flood AdvisoryPHI60 hr
Mar 9, 2:43 PM ESTWind AdvisoryPHI51 hr
Mar 9, 7:45 PM ESTSpecial Weather StatementPHI30 min
Mar 9, 9:41 PM ESTSpecial Weather StatementPHI34 min
Mar 21, 8:58 AM EDTRed Flag WarningPHI10 hr
Mar 21, 3:29 PM EDTFlood WatchPHI51 hr
Mar 22, 2:17 PM EDTWind AdvisoryPHI36 hr
Mar 23, 3:36 PM EDTCoastal Flood WatchPHI24 hr
Mar 24, 3:29 PM EDTCoastal Flood WarningPHI30 hr
Mar 25, 4:48 AM EDTCoastal Flood AdvisoryPHI59 hr
Apr 1, 3:33 PM EDTCoastal Flood AdvisoryPHI4 days
Apr 2, 2:31 PM EDTCoastal Flood WarningPHI43 hr
Apr 3, 7:14 PM EDTCoastal Flood AdvisoryPHI10 hr
Apr 6, 3:39 PM EDTCoastal Flood AdvisoryPHI4 days
Apr 10, 10:56 AM EDTCoastal Flood AdvisoryPHI20 hr
Apr 11, 10:47 AM EDTCoastal Flood AdvisoryPHI36 hr
Apr 11, 2:00 PM EDTWind AdvisoryPHI16 hr
Apr 15, 5:59 PM EDTSpecial Weather StatementPHI46 min
Apr 21, 3:16 PM EDTFrost AdvisoryPHI18 hr
Apr 22, 9:51 AM EDTFrost AdvisoryPHI23 hr
Apr 25, 12:37 PM EDTFrost AdvisoryPHI20 hr
May 7, 4:07 AM EDTCoastal Flood AdvisoryPHI25 hr
May 8, 5:06 AM EDTCoastal Flood AdvisoryPHI24 hr
May 9, 5:27 AM EDTCoastal Flood WatchPHI24 hr
May 9, 5:27 AM EDTCoastal Flood AdvisoryPHI25 hr
May 9, 4:47 PM EDTCoastal Flood WarningPHI34 hr
May 11, 1:28 PM EDTCoastal Flood AdvisoryPHI20 hr
May 26, 8:19 PM EDTDense Fog AdvisoryPHI9 hr
May 27, 11:53 AM EDTMesoscale DiscussionSPC2 hr
May 27, 1:42 PM EDTSevere Thunderstorm WatchSPC7 hr
May 27, 7:40 PM EDTMesoscale DiscussionSPC2 hr
Jun 4, 4:33 AM EDTCoastal Flood AdvisoryPHI23 hr
Jun 5, 9:45 AM EDTCoastal Flood AdvisoryPHI19 hr
Jun 6, 2:26 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 6, 4:18 PM EDTMesoscale DiscussionSPC87 min
Jun 6, 9:42 PM EDTCoastal Flood AdvisoryPHI3 hr
Jun 14, 6:34 PM EDTSevere Thunderstorm WarningPHI41 min
Jun 16, 3:47 AM EDTHeat AdvisoryPHI8 days
Jun 16, 3:14 PM EDTExcessive Heat WatchPHI6 days
Jun 22, 4:39 PM EDTRip Current StatementPHI11 hr
Jun 22, 4:39 PM EDTRip Current StatementPHI11 hr
Jun 23, 3:16 AM EDTRip Current StatementPHI17 hr
Jun 23, 4:33 PM EDTSevere Thunderstorm WatchSPC5 hr
Jun 25, 5:01 PM EDTRip Current StatementPHI27 hr
Jun 28, 4:37 PM EDTRip Current StatementPHI27 hr
Jun 30, 7:23 AM EDTFlash Flood WarningPHI4 hr
Jun 30, 3:21 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 30, 6:03 PM EDTMesoscale DiscussionSPC87 min
Jun 30, 7:43 PM EDTSevere Thunderstorm WarningPHI24 min
Jun 30, 8:10 PM EDTMesoscale DiscussionSPC95 min
Jul 3, 6:29 AM EDTDense Fog AdvisoryPHI113 min
Jul 4, 3:34 AM EDTHeat AdvisoryPHI64 hr
Jul 6, 3:05 AM EDTExcessive Heat WarningPHI17 hr
Jul 8, 11:33 PM EDTDense Fog AdvisoryPHI10 hr
Jul 12, 12:27 PM EDTAreal Flood WarningPHI6 hr
Jul 12, 3:37 PM EDTHeat AdvisoryPHI5 days
Jul 13, 8:11 AM EDTAreal Flood WarningPHI4 hr
Jul 14, 3:03 PM EDTExcessive Heat WarningPHI3 days
Jul 16, 3:36 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 16, 9:49 PM EDTSevere Thunderstorm WarningPHI71 min
Jul 16, 10:18 PM EDTMesoscale DiscussionSPC87 min
Jul 16, 10:58 PM EDTSevere Thunderstorm WarningPHI62 min
Jul 17, 2:11 PM EDTMesoscale DiscussionSPC79 min
Jul 17, 2:38 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 17, 7:57 PM EDTMesoscale DiscussionSPC2 hr
Jul 31, 3:56 AM EDTHeat AdvisoryPHI64 hr
Aug 2, 4:07 PM EDTSevere Thunderstorm WatchSPC4 hr
Aug 2, 7:01 PM EDTMesoscale DiscussionSPC59 min
Aug 3, 12:56 PM EDTMesoscale DiscussionSPC94 min
Aug 3, 1:20 PM EDTSevere Thunderstorm WatchSPC8 hr
Aug 3, 8:11 PM EDTSevere Thunderstorm WarningPHI64 min
Aug 7, 2:29 AM EDTFlash Flood WarningPHI113 min
Aug 8, 3:17 AM EDTRip Current StatementPHI40 hr
Aug 8, 2:20 PM EDTHigh Surf AdvisoryPHI29 hr
Aug 8, 3:13 PM EDTWind AdvisoryPHI27 hr
Aug 9, 6:17 AM EDTTornado WatchSPC8 hr
Aug 9, 10:26 AM EDTMesoscale DiscussionSPC94 min
Aug 15, 4:38 PM EDTRip Current StatementPHI4 days
Aug 17, 3:40 PM EDTCoastal Flood AdvisoryPHI57 hr
Aug 18, 1:09 PM EDTMesoscale DiscussionSPC96 min
Aug 18, 2:02 PM EDTSevere Thunderstorm WatchSPC8 hr
Aug 18, 4:30 PM EDTMesoscale DiscussionSPC90 min
Aug 27, 3:59 AM EDTHeat AdvisoryPHI40 hr
Sep 4, 4:47 PM EDTRip Current StatementPHI3 days
Sep 12, 4:15 AM EDTDense Fog AdvisoryPHI6 hr
Sep 14, 4:45 PM EDTRip Current StatementPHI4 days
Sep 16, 4:37 AM EDTCoastal Flood AdvisoryPHI19 hr
Sep 17, 4:30 AM EDTCoastal Flood AdvisoryPHI21 hr
Sep 18, 4:45 AM EDTCoastal Flood AdvisoryPHI6 days
Sep 19, 3:28 AM EDTRip Current StatementPHI8 days
Sep 19, 2:52 PM EDTCoastal Flood WatchPHI37 hr
Sep 21, 3:55 AM EDTCoastal Flood WarningPHI36 hr
Sep 21, 3:55 AM EDTCoastal Flood AdvisoryPHI7 days
Sep 27, 5:07 AM EDTDense Fog AdvisoryPHI4 hr
Sep 27, 5:08 PM EDTRip Current StatementPHI51 hr
Sep 29, 4:58 AM EDTCoastal Flood AdvisoryPHI49 hr
Oct 1, 3:42 PM EDTCoastal Flood AdvisoryPHI60 hr
Oct 10, 3:19 AM EDTFrost AdvisoryPHI30 hr
Oct 17, 2:55 PM EDTCoastal Flood AdvisoryPHI22 hr
Oct 18, 12:59 PM EDTCoastal Flood AdvisoryPHI25 hr
Oct 23, 3:39 PM EDTRed Flag WarningPHI26 hr
Oct 25, 3:18 PM EDTRed Flag WarningPHI28 hr
Oct 26, 3:06 AM EDTFreeze WatchPHI24 hr
Oct 27, 2:58 AM EDTFrost AdvisoryPHI30 hr
Oct 27, 2:58 AM EDTFreeze WarningPHI30 hr
Nov 7, 2:54 PM ESTRed Flag WarningPHI27 hr
Nov 12, 5:22 PM ESTCoastal Flood WatchPHI24 hr
Nov 12, 5:22 PM ESTCoastal Flood AdvisoryPHI16 hr
Nov 13, 5:18 PM ESTCoastal Flood AdvisoryPHI6 days
Nov 14, 3:37 PM ESTFire Weather WatchPHI23 hr
Nov 15, 2:28 PM ESTRed Flag WarningPHI28 hr
Nov 20, 3:19 PM ESTWind AdvisoryPHI12 hr
Dec 3, 3:03 PM ESTWind AdvisoryPHI55 hr
Dec 9, 9:43 PM ESTDense Fog AdvisoryPHI13 hr
Dec 10, 2:42 PM ESTWind AdvisoryPHI30 hr
Dec 31, 6:56 PM ESTMesoscale DiscussionSPC2 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 archive20232025

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.