Alert archive / New Jersey / Cape May County
Weather alerts in Cape May County, New Jersey, 2013
130 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 130
- Warnings
- 18
- Watches
- 21
- Advisories
- 48
- Busiest month
- June36 alerts
- Busiest day
- January 31, 20138 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, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 5 | 4 | 20% | 3 | 100% | 20 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Philadelphia/Mount Holly: tornado warnings | 5 | 1 | 80% | 2 | 50% | 1 min |
| NWS Philadelphia/Mount Holly: severe thunderstorm warnings | 127 | 69 | 46% | 212 | 73% | 24 min |
| NWS Philadelphia/Mount Holly: flash flood warnings | 70 | 38 | 46% | 112 | 76% | 71 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 12, 2:54 PM EST | Dense Fog Advisory | PHI | 22 hr |
| Jan 13, 3:30 PM EST | Dense Fog Advisory | PHI | 19 hr |
| Jan 16, 12:09 PM EST | Winter Storm Watch | PHI | 16 hr |
| Jan 17, 3:39 AM EST | Winter Weather Advisory | PHI | 21 hr |
| Jan 24, 3:43 PM EST | Winter Weather Advisory | PHI | 30 hr |
| Jan 29, 2:54 PM EST | High Wind Watch | PHI | 13 hr |
| Jan 30, 4:02 AM EST | High Wind Warning | PHI | 26 hr |
| Jan 30, 9:06 PM EST | Mesoscale Discussion | SPC | 54 min |
| Jan 30, 10:38 PM EST | Special Weather Statement | PHI | 2 hr |
| Jan 31, 12:42 AM EST | Special Weather Statement | PHI | 2 hr |
| Jan 31, 1:48 AM EST | Mesoscale Discussion | SPC | 57 min |
| Jan 31, 2:12 AM EST | Special Weather Statement | PHI | 63 min |
| Jan 31, 3:12 AM EST | Areal Flood Advisory | PHI | 4 hr |
| Jan 31, 3:15 AM EST | Special Weather Statement | PHI | 2 hr |
| Jan 31, 6:01 AM EST | Wind Advisory | PHI | 12 hr |
| Feb 1, 3:53 AM EST | Winter Weather Advisory | PHI | 8 hr |
| Feb 7, 2:50 PM EST | Coastal Flood Watch | PHI | 13 hr |
| Feb 7, 3:20 PM EST | Winter Weather Advisory | PHI | 36 hr |
| Feb 8, 3:34 AM EST | Wind Advisory | PHI | 24 hr |
| Feb 8, 3:58 AM EST | Coastal Flood Warning | PHI | 26 hr |
| Feb 8, 11:08 AM EST | Areal Flood Advisory | PHI | 4 hr |
| Feb 9, 5:32 AM EST | Coastal Flood Advisory | PHI | 4 hr |
| Feb 26, 11:19 AM EST | Coastal Flood Advisory | PHI | 15 hr |
| Mar 4, 2:59 PM EST | Coastal Flood Watch | PHI | 25 hr |
| Mar 5, 4:34 AM EST | High Wind Watch | PHI | 11 hr |
| Mar 5, 3:30 PM EST | High Wind Warning | PHI | 32 hr |
| Mar 5, 3:41 PM EST | Coastal Flood Warning | PHI | 54 hr |
| Mar 6, 5:55 PM EST | Coastal Flood Warning | PHI | 28 hr |
| Mar 6, 9:32 PM EST | Wind Advisory | PHI | 2 hr |
| Mar 6, 11:52 PM EST | Wind Advisory | PHI | 4 hr |
| Mar 7, 9:28 PM EST | Coastal Flood Advisory | PHI | 11 hr |
| Mar 8, 2:56 PM EST | Coastal Flood Warning | PHI | 18 hr |
| Mar 9, 2:34 PM EST | Coastal Flood Advisory | PHI | 7 hr |
| Mar 9, 9:07 PM EST | Coastal Flood Advisory | PHI | 4 hr |
| Mar 10, 1:25 AM EST | Coastal Flood Warning | PHI | 10 hr |
| Mar 11, 5:14 AM EDT | Dense Fog Advisory | PHI | 5 hr |
| Mar 20, 3:01 PM EDT | Winter Weather Advisory | PHI | 13 hr |
| Mar 24, 3:24 PM EDT | Coastal Flood Advisory | PHI | 29 hr |
| Mar 24, 3:44 PM EDT | Winter Weather Advisory | PHI | 29 hr |
| Apr 2, 3:33 PM EDT | Fire Weather Watch | PHI | 12 hr |
| Apr 3, 3:44 AM EDT | Red Flag Warning | PHI | 18 hr |
| Apr 10, 10:10 PM EDT | Special Weather Statement | PHI | 2 hr |
| Apr 12, 11:24 PM EDT | Special Weather Statement | PHI | 111 min |
| Apr 19, 7:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 19, 8:09 PM EDT | Severe Thunderstorm Watch | SPC | 2 hr |
| Apr 19, 8:48 PM EDT | Special Weather Statement | PHI | 3 hr |
| Apr 19, 9:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 20, 6:09 PM EDT | Frost Advisory | PHI | 12 hr |
| Apr 23, 1:36 PM EDT | Coastal Flood Advisory | PHI | 6 hr |
| Apr 26, 3:40 PM EDT | Frost Advisory | PHI | 12 hr |
| May 11, 1:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 24, 2:16 AM EDT | Special Weather Statement | PHI | 89 min |
| Jun 3, 8:50 AM EDT | Areal Flood Advisory | PHI | 115 min |
| Jun 6, 3:10 PM EDT | Flash Flood Watch | PHI | 36 hr |
| Jun 6, 8:42 PM EDT | Rip Current Statement | PHI | 48 hr |
| Jun 7, 2:17 PM EDT | Areal Flood Advisory | PHI | 6 hr |
| Jun 7, 7:27 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 10, 3:30 AM EDT | Flood Watch | PHI | 24 hr |
| Jun 10, 12:05 PM EDT | Areal Flood Warning | PHI | 3 hr |
| Jun 10, 2:02 PM EDT | Tornado Watch | SPC | 10 hr |
| Jun 10, 8:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 13, 2:40 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 5:27 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 7:30 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 13, 8:10 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 13, 10:03 AM EDT | Severe Thunderstorm Warning | PHI | 57 min |
| Jun 13, 10:50 AM EDT | Severe Thunderstorm Warning | PHI | 55 min |
| Jun 13, 5:27 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jun 13, 6:17 PM EDT | Severe Thunderstorm Warning | PHI | 58 min |
| Jun 14, 6:20 PM EDT | Special Weather Statement | PHI | 55 min |
| Jun 14, 7:29 PM EDT | Special Weather Statement | PHI | 46 min |
| Jun 17, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | 67 min |
| Jun 17, 8:16 PM EDT | Special Weather Statement | PHI | 119 min |
| Jun 17, 9:51 PM EDT | Special Weather Statement | PHI | 114 min |
| Jun 18, 3:44 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jun 24, 2:44 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 8:46 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 26, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 4:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 26, 8:02 PM EDT | Special Weather Statement | PHI | 58 min |
| Jun 27, 1:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 27, 1:58 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 27, 3:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 27, 6:42 PM EDT | Special Weather Statement | PHI | 63 min |
| Jun 28, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 3:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 6:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 30, 5:29 AM EDT | Rip Current Statement | PHI | 15 hr |
| Jul 1, 12:36 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 2, 6:38 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 10, 2:24 PM EDT | Special Weather Statement | PHI | 66 min |
| Jul 12, 4:08 AM EDT | Flash Flood Watch | PHI | 17 hr |
| Jul 12, 2:29 PM EDT | Areal Flood Advisory | PHI | 6 hr |
| Jul 12, 4:00 PM EDT | Areal Flood Advisory | PHI | 7 hr |
| Jul 17, 3:27 PM EDT | Heat Advisory | PHI | 3 days |
| Jul 22, 1:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 22, 3:08 PM EDT | Coastal Flood Advisory | PHI | 8 hr |
| Jul 23, 3:08 PM EDT | Coastal Flood Advisory | PHI | 9 hr |
| Jul 25, 3:53 PM EDT | Coastal Flood Advisory | PHI | 10 hr |
| Jul 28, 1:34 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jul 28, 11:01 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Aug 13, 6:24 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 13, 9:42 AM EDT | Flash Flood Warning | PHI | 5 hr |
| Aug 22, 2:26 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 22, 6:43 PM EDT | Special Weather Statement | PHI | 92 min |
| Aug 28, 1:22 PM EDT | Special Weather Statement | PHI | 68 min |
| Aug 28, 1:55 PM EDT | Areal Flood Advisory | PHI | 110 min |
| Sep 2, 8:58 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Sep 12, 2:50 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 12, 8:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Oct 7, 8:56 AM EDT | Tornado Watch | SPC | 8 hr |
| Oct 7, 12:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Oct 7, 3:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Oct 8, 3:18 PM EDT | Coastal Flood Advisory | PHI | 24 hr |
| Oct 9, 4:12 AM EDT | Coastal Flood Watch | PHI | 11 hr |
| Oct 9, 3:41 PM EDT | Coastal Flood Advisory | PHI | 4 days |
| Oct 10, 9:28 AM EDT | Coastal Flood Warning | PHI | 6 hr |
| Oct 11, 5:08 AM EDT | Special Weather Statement | PHI | 3 hr |
| Oct 25, 1:32 PM EDT | Freeze Warning | PHI | 19 hr |
| Oct 27, 6:05 PM EDT | Frost Advisory | PHI | 15 hr |
| Nov 1, 3:14 AM EDT | Wind Advisory | PHI | 9 hr |
| Nov 18, 1:07 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
| Nov 18, 2:31 AM EST | Mesoscale Discussion | SPC | 89 min |
| Nov 18, 3:39 AM EST | Severe Thunderstorm Warning | PHI | 66 min |
| Nov 23, 3:43 PM EST | Red Flag Warning | PHI | 26 hr |
| Nov 26, 3:55 AM EST | Wind Advisory | PHI | 30 hr |
| Dec 3, 3:17 AM EST | Coastal Flood Advisory | PHI | 6 hr |
| Dec 5, 6:36 AM EST | Dense Fog Advisory | PHI | 3 hr |
| Dec 7, 4:03 PM EST | Winter Weather Advisory | PHI | 45 hr |
| Dec 9, 3:48 PM EST | Winter Weather Advisory | PHI | 22 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 5 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 18 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 13 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
| Coast and beach | |
| Coastal Flood Warning | 6 |
| Coastal Flood Watch | 3 |
| Coastal Flood Advisory | 13 |
| Rip Current Statement | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.