Alert archive / Pennsylvania / Delaware County
Weather alerts in Delaware County, Pennsylvania, 2011
363 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Delaware County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 363
- Warnings
- 86
- Watches
- 52
- Advisories
- 90
- Busiest month
- August78 alerts
- Busiest day
- August 19, 201111 alerts
Over time
By month
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 6, 1:31 PM EST | Winter Weather Advisory | PHI | 25 hr |
| Jan 7, 3:34 PM EST | Winter Weather Advisory | PHI | 27 hr |
| Jan 10, 4:01 AM EST | Winter Storm Watch | PHI | 24 hr |
| Jan 10, 3:42 PM EST | Winter Storm Warning | PHI | 37 hr |
| Jan 13, 2:26 AM EST | Coastal Flood Statement | PHI | 94 min |
| Jan 13, 9:45 AM EST | Coastal Flood Statement | PHI | 27 min |
| Jan 17, 4:11 AM EST | Winter Weather Advisory | PHI | 32 hr |
| Jan 18, 12:29 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 20, 3:35 AM EST | Winter Weather Advisory | PHI | 29 hr |
| Jan 21, 1:24 PM EST | Special Weather Statement | PHI | 36 min |
| Jan 25, 4:06 AM EST | Winter Storm Watch | PHI | 24 hr |
| Jan 26, 4:07 AM EST | Winter Storm Warning | PHI | 24 hr |
| Jan 26, 2:19 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 30, 8:35 PM EST | Winter Storm Watch | PHI | 42 hr |
| Jan 31, 3:18 PM EST | Winter Weather Advisory | PHI | 24 hr |
| Feb 1, 2:49 PM EST | Ice Storm Warning | PHI | 21 hr |
| Feb 1, 2:49 PM EST | Freezing Rain Advisory | PHI | 17 hr |
| Feb 1, 8:39 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 4, 4:24 AM EST | Winter Weather Advisory | PHI | 41 hr |
| Feb 5, 7:10 PM EST | Dense Fog Advisory | PHI | 65 min |
| Feb 8, 3:57 AM EST | Wind Advisory | PHI | 16 hr |
| Feb 14, 3:11 AM EST | Wind Advisory | PHI | 23 hr |
| Feb 18, 3:40 AM EST | Fire Weather Watch | PHI | 12 hr |
| Feb 18, 3:03 PM EST | High Wind Watch | PHI | 6 hr |
| Feb 18, 9:06 PM EST | High Wind Warning | PHI | 22 hr |
| Feb 19, 7:26 PM EST | Wind Advisory | PHI | 5 hr |
| Feb 21, 3:13 PM EST | Winter Storm Warning | PHI | 15 hr |
| Feb 24, 4:16 AM EST | High Wind Watch | PHI | 11 hr |
| Feb 24, 3:02 PM EST | Flood Watch | PHI | 25 hr |
| Feb 24, 3:07 PM EST | High Wind Warning | PHI | 29 hr |
| Feb 25, 9:15 AM EST | Special Weather Statement | PHI | 90 min |
| Feb 25, 11:36 AM EST | Mesoscale Discussion | SPC | 84 min |
| Feb 25, 12:11 PM EST | Special Weather Statement | PHI | 64 min |
| Feb 25, 12:19 PM EST | Severe Thunderstorm Watch | SPC | 3 hr |
| Feb 25, 12:44 PM EST | Special Weather Statement | PHI | 61 min |
| Feb 25, 1:04 PM EST | Severe Thunderstorm Warning | PHI | 56 min |
| Feb 25, 7:55 PM EST | Wind Advisory | PHI | 3 hr |
| Feb 27, 4:44 AM EST | Flood Watch | PHI | 34 hr |
| Feb 28, 9:23 AM EST | Special Weather Statement | PHI | 112 min |
| Mar 5, 3:25 AM EST | Flood Watch | PHI | 48 hr |
| Mar 6, 3:30 AM EST | Coastal Flood Statement | PHI | 17 hr |
| Mar 6, 3:14 PM EST | Special Weather Statement | PHI | 61 min |
| Mar 6, 5:33 PM EST | Areal Flood Advisory | PHI | 4 hr |
| Mar 6, 9:30 PM EST | Areal Flood Advisory | PHI | 7 hr |
| Mar 6, 10:11 PM EST | Areal Flood Warning | PHI | 9 hr |
| Mar 8, 4:18 AM EST | Flood Watch | PHI | 3 days |
| Mar 9, 2:41 PM EST | Coastal Flood Watch | PHI | 24 hr |
| Mar 10, 2:10 AM EST | Coastal Flood Advisory | PHI | 5 hr |
| Mar 10, 7:28 AM EST | Areal Flood Advisory | PHI | 6 hr |
| Mar 10, 1:17 PM EST | Areal Flood Advisory | PHI | 5 hr |
| Mar 10, 3:02 PM EST | Coastal Flood Warning | PHI | 17 hr |
| Mar 10, 4:36 PM EST | Areal Flood Warning | PHI | 37 hr |
| Mar 10, 5:17 PM EST | Wind Advisory | PHI | 5 hr |
| Mar 10, 8:02 PM EST | River Flood Warning | PHI | 22 hr |
| Mar 10, 10:10 PM EST | River Flood Warning | PHI | 3 hr |
| Mar 10, 11:47 PM EST | Areal Flood Warning | PHI | 12 hr |
| Mar 12, 3:00 AM EST | Coastal Flood Statement | PHI | 5 hr |
| Mar 21, 6:12 AM EDT | Special Weather Statement | PHI | 63 min |
| Mar 23, 2:15 PM EDT | Coastal Flood Advisory | PHI | 18 hr |
| Mar 23, 6:53 PM EDT | Special Weather Statement | PHI | 112 min |
| Mar 23, 8:30 PM EDT | Special Weather Statement | PHI | 2 hr |
| Mar 28, 4:35 AM EDT | Red Flag Warning | PHI | 13 hr |
| Mar 28, 6:02 PM EDT | Fire Weather Watch | PHI | 10 hr |
| Mar 29, 4:05 AM EDT | Red Flag Warning | PHI | 14 hr |
| Apr 5, 5:01 AM EDT | Severe Thunderstorm Warning | PHI | 74 min |
| Apr 5, 5:03 AM EDT | Mesoscale Discussion | SPC | 27 min |
| Apr 5, 5:07 AM EDT | Severe Thunderstorm Watch | SPC | 2 hr |
| Apr 5, 5:23 AM EDT | Severe Thunderstorm Warning | PHI | 67 min |
| Apr 5, 6:25 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 5, 8:55 AM EDT | Special Weather Statement | PHI | 65 min |
| Apr 5, 9:37 AM EDT | Special Weather Statement | PHI | 53 min |
| Apr 5, 10:16 AM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| Apr 12, 5:37 PM EDT | Special Weather Statement | PHI | 23 min |
| Apr 15, 3:06 PM EDT | Coastal Flood Watch | PHI | 12 hr |
| Apr 15, 3:10 PM EDT | Wind Advisory | PHI | 32 hr |
| Apr 16, 3:25 AM EDT | Coastal Flood Warning | PHI | 31 hr |
| Apr 16, 4:07 AM EDT | Flood Watch | PHI | 24 hr |
| Apr 16, 4:41 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 16, 6:22 PM EDT | Areal Flood Warning | PHI | 12 hr |
| Apr 16, 6:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 16, 8:08 PM EDT | Areal Flood Warning | PHI | 8 hr |
| Apr 16, 9:32 PM EDT | River Flood Warning | PHI | 6 hr |
| Apr 16, 9:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Apr 17, 3:56 AM EDT | Areal Flood Warning | PHI | 6 hr |
| Apr 17, 6:37 AM EDT | River Flood Warning | PHI | 7 hr |
| Apr 17, 9:51 AM EDT | Coastal Flood Warning | PHI | 4 hr |
| Apr 17, 10:35 PM EDT | Coastal Flood Statement | PHI | 5 hr |
| Apr 18, 4:05 PM EDT | Coastal Flood Statement | PHI | 12 hr |
| Apr 19, 3:37 PM EDT | Coastal Flood Statement | PHI | 6 hr |
| Apr 19, 9:48 PM EDT | Coastal Flood Advisory | PHI | 5 hr |
| Apr 20, 4:02 AM EDT | Coastal Flood Statement | PHI | 58 min |
| Apr 21, 3:15 PM EDT | Frost Advisory | PHI | 17 hr |
| Apr 23, 7:43 AM EDT | Special Weather Statement | PHI | 2 hr |
| Apr 24, 2:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 24, 3:40 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 24, 6:10 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Apr 27, 1:48 PM EDT | Special Weather Statement | PHI | 87 min |
| Apr 27, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| Apr 27, 3:55 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Apr 27, 4:43 PM EDT | Severe Thunderstorm Warning | PHI | 36 min |
| Apr 27, 8:15 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 28, 4:05 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 28, 6:12 AM EDT | Special Weather Statement | PHI | 63 min |
| Apr 28, 6:21 AM EDT | Mesoscale Discussion | SPC | 54 min |
| Apr 28, 6:56 AM EDT | Severe Thunderstorm Warning | PHI | 34 min |
| Apr 28, 9:45 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 28, 11:49 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 28, 12:11 PM EDT | Severe Thunderstorm Warning | PHI | 31 min |
| Apr 28, 12:42 PM EDT | Special Weather Statement | PHI | 63 min |
| Apr 28, 12:45 PM EDT | Special Weather Statement | PHI | 60 min |
| May 7, 4:29 PM EDT | Special Weather Statement | PHI | 91 min |
| May 7, 5:20 PM EDT | Special Weather Statement | PHI | 85 min |
| May 12, 7:21 PM EDT | Coastal Flood Statement | PHI | 6 hr |
| May 12, 9:37 PM EDT | Coastal Flood Advisory | PHI | 2 hr |
| May 13, 3:15 PM EDT | Coastal Flood Advisory | PHI | 15 hr |
| May 14, 3:48 AM EDT | Coastal Flood Advisory | PHI | 61 hr |
| May 14, 11:46 PM EDT | Special Weather Statement | PHI | 89 min |
| May 15, 2:55 PM EDT | Special Weather Statement | PHI | 65 min |
| May 15, 4:31 PM EDT | Special Weather Statement | PHI | 59 min |
| May 15, 7:28 PM EDT | Special Weather Statement | PHI | 62 min |
| May 15, 9:04 PM EDT | Special Weather Statement | PHI | 56 min |
| May 15, 9:17 PM EDT | Special Weather Statement | PHI | 58 min |
| May 15, 10:12 PM EDT | Special Weather Statement | PHI | 63 min |
| May 15, 10:16 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| May 16, 3:50 PM EDT | Flood Watch | PHI | 60 hr |
| May 16, 4:37 PM EDT | Coastal Flood Advisory | PHI | 17 hr |
| May 16, 8:45 PM EDT | Coastal Flood Advisory | PHI | 7 hr |
| May 17, 3:45 AM EDT | Coastal Flood Watch | PHI | 12 hr |
| May 17, 3:57 PM EDT | Coastal Flood Advisory | PHI | 18 hr |
| May 18, 4:00 AM EDT | Coastal Flood Advisory | PHI | 25 hr |
| May 18, 3:08 PM EDT | Mesoscale Discussion | SPC | 67 min |
| May 19, 12:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 19, 2:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 19, 3:01 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| May 19, 3:15 PM EDT | Special Weather Statement | PHI | 60 min |
| May 19, 3:52 PM EDT | Coastal Flood Statement | PHI | 8 hr |
| May 19, 5:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 23, 5:35 PM EDT | Special Weather Statement | PHI | 55 min |
| May 29, 3:21 PM EDT | Excessive Heat Watch | PHI | 24 hr |
| May 29, 3:21 PM EDT | Heat Advisory | PHI | 29 hr |
| May 31, 1:27 PM EDT | Excessive Heat Warning | PHI | 31 hr |
| Jun 1, 12:58 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 6, 1:46 PM EDT | Excessive Heat Watch | PHI | 25 hr |
| Jun 7, 3:15 PM EDT | Excessive Heat Warning | PHI | 53 hr |
| Jun 9, 1:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 9, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 7:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 9, 7:27 PM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| Jun 9, 8:10 PM EDT | Severe Thunderstorm Warning | PHI | 65 min |
| Jun 10, 5:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 11, 11:48 PM EDT | Special Weather Statement | PHI | 57 min |
| Jun 14, 6:05 PM EDT | Special Weather Statement | PHI | 55 min |
| Jun 15, 12:58 AM EDT | Coastal Flood Statement | PHI | 2 hr |
| Jun 15, 3:57 AM EDT | Coastal Flood Statement | PHI | 11 hr |
| Jun 16, 3:05 PM EDT | Coastal Flood Statement | PHI | 12 hr |
| Jun 22, 2:15 AM EDT | Special Weather Statement | PHI | 60 min |
| Jun 22, 2:57 AM EDT | Special Weather Statement | PHI | 63 min |
| Jun 22, 3:05 AM EDT | Areal Flood Advisory | PHI | 115 min |
| Jun 22, 6:32 AM EDT | Special Weather Statement | PHI | 58 min |
| Jun 22, 8:00 AM EDT | Special Weather Statement | PHI | 60 min |
| Jun 23, 10:04 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 24, 11:42 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 24, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 4:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 28, 10:08 AM EDT | Special Weather Statement | PHI | 82 min |
| Jun 28, 9:36 PM EDT | Special Weather Statement | PHI | 54 min |
| Jul 7, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | 63 min |
| Jul 8, 3:58 AM EDT | Flash Flood Watch | PHI | 19 hr |
| Jul 8, 11:44 AM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 8, 1:51 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 2:12 PM EDT | Special Weather Statement | PHI | 93 min |
| Jul 8, 2:25 PM EDT | Areal Flood Advisory | PHI | 7 hr |
| Jul 8, 5:44 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Jul 8, 5:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 11, 3:13 PM EDT | Heat Advisory | PHI | 29 hr |
| Jul 11, 9:49 PM EDT | Special Weather Statement | PHI | 56 min |
| Jul 14, 3:47 PM EDT | Coastal Flood Advisory | PHI | 12 hr |
| Jul 19, 6:02 AM EDT | Heat Advisory | PHI | 13 hr |
| Jul 19, 2:29 PM EDT | Excessive Heat Warning | PHI | 5 days |
| Jul 19, 6:00 PM EDT | Special Weather Statement | PHI | 90 min |
| Jul 19, 6:28 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 23, 7:55 PM EDT | Severe Thunderstorm Warning | PHI | 30 min |
| Jul 24, 3:17 PM EDT | Special Weather Statement | PHI | 58 min |
| Jul 25, 1:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 25, 6:23 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 25, 7:13 PM EDT | Special Weather Statement | PHI | 62 min |
| Jul 27, 3:33 PM EDT | Excessive Heat Watch | PHI | 24 hr |
| Jul 28, 3:53 PM EDT | Heat Advisory | PHI | 30 hr |
| Jul 29, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 29, 4:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 1, 3:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 1, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | 87 min |
| Aug 1, 5:11 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Aug 1, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | 53 min |
| Aug 1, 6:17 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 1, 6:18 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Aug 1, 6:20 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Aug 3, 10:33 PM EDT | Special Weather Statement | PHI | 117 min |
| Aug 9, 11:46 AM EDT | Special Weather Statement | PHI | 59 min |
| Aug 9, 12:18 PM EDT | Severe Thunderstorm Warning | PHI | 57 min |
| Aug 9, 12:32 PM EDT | Tornado Warning | PHI | 28 min |
| Aug 9, 12:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Aug 9, 3:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 9, 4:16 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 9, 5:48 PM EDT | Special Weather Statement | PHI | 87 min |
| Aug 9, 7:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 13, 3:10 PM EDT | Flood Watch | PHI | 13 hr |
| Aug 14, 3:42 AM EDT | Flash Flood Watch | PHI | 25 hr |
| Aug 14, 3:55 AM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 14, 7:43 AM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 14, 1:00 PM EDT | Areal Flood Warning | PHI | 8 hr |
| Aug 15, 1:05 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Aug 15, 1:56 PM EDT | Special Weather Statement | PHI | 94 min |
| Aug 15, 8:09 PM EDT | Special Weather Statement | PHI | 51 min |
| Aug 15, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | 31 min |
| Aug 18, 5:45 AM EDT | Special Weather Statement | PHI | 60 min |
| Aug 18, 6:35 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 18, 7:29 AM EDT | Special Weather Statement | PHI | 61 min |
| Aug 18, 9:29 AM EDT | Areal Flood Advisory | PHI | 2 hr |
| Aug 18, 3:12 PM EDT | Flash Flood Watch | PHI | 29 hr |
| Aug 18, 6:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Aug 18, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Aug 18, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | 53 min |
| Aug 18, 7:59 PM EDT | Severe Thunderstorm Warning | PHI | 61 min |
| Aug 18, 8:26 PM EDT | Areal Flood Advisory | PHI | 112 min |
| Aug 19, 12:50 AM EDT | Special Weather Statement | PHI | 40 min |
| Aug 19, 1:14 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 19, 1:31 AM EDT | Special Weather Statement | PHI | 59 min |
| Aug 19, 4:00 AM EDT | Areal Flood Warning | PHI | 4 hr |
| Aug 19, 12:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Aug 19, 1:04 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 19, 5:39 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | 65 min |
| Aug 19, 6:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 19, 7:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Aug 21, 3:28 AM EDT | Flash Flood Watch | PHI | 17 hr |
| Aug 21, 11:54 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 21, 1:47 PM EDT | Severe Thunderstorm Warning | PHI | 58 min |
| Aug 21, 2:33 PM EDT | Areal Flood Advisory | PHI | 117 min |
| Aug 21, 2:43 PM EDT | Severe Thunderstorm Warning | PHI | 62 min |
| Aug 21, 4:35 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 21, 6:05 PM EDT | Flash Flood Warning | PHI | 6 hr |
| Aug 21, 7:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 21, 7:35 PM EDT | Areal Flood Advisory | PHI | 115 min |
| Aug 21, 9:31 PM EDT | Areal Flood Advisory | PHI | 119 min |
| Aug 25, 10:00 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 25, 4:36 PM EDT | Flood Watch | PHI | 68 hr |
| Aug 25, 5:26 PM EDT | Hurricane Watch | PHI | 25 hr |
| Aug 26, 5:16 AM EDT | Hurricane Warning | PHI | 55 hr |
| Aug 26, 5:16 AM EDT | Tropical Storm Warning | PHI | 66 hr |
| Aug 27, 3:47 PM EDT | Areal Flood Advisory | PHI | 118 min |
| Aug 27, 4:06 PM EDT | River Flood Warning | PHI | 37 hr |
| Aug 27, 5:37 PM EDT | River Flood Warning | PHI | 23 hr |
| Aug 27, 5:42 PM EDT | Areal Flood Warning | PHI | 6 hr |
| Aug 27, 7:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 27, 7:56 PM EDT | Tornado Watch | SPC | 9 hr |
| Aug 27, 9:29 PM EDT | Tornado Warning | PHI | 31 min |
| Aug 27, 10:14 PM EDT | Tornado Warning | PHI | 31 min |
| Aug 27, 10:23 PM EDT | Tornado Warning | PHI | 37 min |
| Aug 27, 11:37 PM EDT | Flash Flood Warning | PHI | 12 hr |
| Aug 28, 12:30 AM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 28, 11:07 AM EDT | Areal Flood Warning | PHI | 18 hr |
| Aug 29, 10:20 AM EDT | Coastal Flood Advisory | PHI | 6 hr |
| Aug 29, 3:58 PM EDT | Coastal Flood Advisory | PHI | 13 hr |
| Aug 30, 11:30 AM EDT | Coastal Flood Advisory | PHI | 6 hr |
| Aug 30, 9:28 PM EDT | Coastal Flood Advisory | PHI | 8 hr |
| Aug 31, 11:12 AM EDT | Coastal Flood Advisory | PHI | 7 hr |
| Sep 1, 9:49 AM EDT | Coastal Flood Statement | PHI | 9 hr |
| Sep 2, 2:18 AM EDT | Coastal Flood Statement | PHI | 5 hr |
| Sep 2, 3:41 AM EDT | Coastal Flood Advisory | PHI | 16 hr |
| Sep 4, 3:05 PM EDT | Flood Watch | PHI | 4 days |
| Sep 5, 6:03 PM EDT | Special Weather Statement | PHI | 117 min |
| Sep 6, 12:22 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Sep 6, 5:43 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Sep 6, 6:44 PM EDT | Areal Flood Warning | PHI | 15 hr |
| Sep 6, 7:41 PM EDT | River Flood Warning | PHI | 5 hr |
| Sep 7, 12:59 AM EDT | River Flood Warning | PHI | 41 hr |
| Sep 7, 3:47 AM EDT | River Flood Warning | PHI | 4 hr |
| Sep 7, 11:48 AM EDT | Coastal Flood Advisory | PHI | 18 hr |
| Sep 7, 3:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Sep 7, 4:09 PM EDT | Special Weather Statement | PHI | 66 min |
| Sep 7, 7:39 PM EDT | Coastal Flood Warning | PHI | 6 hr |
| Sep 8, 1:25 AM EDT | Flash Flood Warning | PHI | 7 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Watch | PHI | 6 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Advisory | PHI | 8 hr |
| Sep 8, 8:36 AM EDT | Areal Flood Warning | PHI | 16 hr |
| Sep 8, 11:42 AM EDT | Coastal Flood Warning | PHI | 15 hr |
| Sep 9, 4:28 AM EDT | Coastal Flood Watch | PHI | 7 hr |
| Sep 9, 4:28 AM EDT | Coastal Flood Advisory | PHI | 10 hr |
| Sep 9, 11:53 AM EDT | Coastal Flood Warning | PHI | 16 hr |
| Sep 10, 4:13 AM EDT | Coastal Flood Watch | PHI | 14 hr |
| Sep 10, 4:13 AM EDT | Coastal Flood Advisory | PHI | 10 hr |
| Sep 10, 5:58 PM EDT | Coastal Flood Advisory | PHI | 9 hr |
| Sep 11, 4:01 AM EDT | Coastal Flood Advisory | PHI | 12 hr |
| Sep 11, 6:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Sep 11, 7:30 PM EDT | Coastal Flood Advisory | PHI | 10 hr |
| Sep 11, 9:56 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Sep 11, 10:29 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Sep 11, 10:52 PM EDT | Special Weather Statement | PHI | 83 min |
| Sep 11, 11:10 PM EDT | Severe Thunderstorm Warning | PHI | 65 min |
| Sep 12, 11:05 AM EDT | Coastal Flood Statement | PHI | 6 hr |
| Sep 13, 12:26 AM EDT | Coastal Flood Statement | PHI | 4 hr |
| Sep 22, 3:43 AM EDT | Flood Watch | PHI | 45 hr |
| Sep 23, 10:13 AM EDT | Areal Flood Advisory | PHI | 5 hr |
| Sep 23, 5:27 PM EDT | Areal Flood Warning | PHI | 12 hr |
| Sep 24, 4:44 AM EDT | River Flood Warning | PHI | 14 hr |
| Sep 27, 11:53 PM EDT | Coastal Flood Statement | PHI | 4 hr |
| Sep 28, 1:54 AM EDT | Special Weather Statement | PHI | 51 min |
| Sep 28, 3:56 AM EDT | Flash Flood Watch | PHI | 39 hr |
| Sep 28, 10:02 AM EDT | Coastal Flood Statement | PHI | 8 hr |
| Sep 28, 3:20 PM EDT | Special Weather Statement | PHI | 55 min |
| Sep 28, 3:59 PM EDT | Special Weather Statement | PHI | 61 min |
| Sep 28, 4:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 28, 10:02 PM EDT | Coastal Flood Advisory | PHI | 8 hr |
| Sep 29, 3:34 AM EDT | Coastal Flood Advisory | PHI | 14 hr |
| Sep 29, 1:24 PM EDT | Special Weather Statement | PHI | 66 min |
| Sep 29, 9:32 PM EDT | Coastal Flood Advisory | PHI | 8 hr |
| Sep 30, 3:40 AM EDT | Coastal Flood Advisory | PHI | 13 hr |
| Sep 30, 9:24 PM EDT | Coastal Flood Statement | PHI | 10 hr |
| Oct 1, 4:01 AM EDT | Coastal Flood Advisory | PHI | 16 hr |
| Oct 1, 8:47 PM EDT | Special Weather Statement | PHI | 58 min |
| Oct 1, 9:53 PM EDT | Special Weather Statement | PHI | 112 min |
| Oct 2, 1:26 AM EDT | Special Weather Statement | PHI | 2 hr |
| Oct 2, 4:56 AM EDT | Special Weather Statement | PHI | 3 hr |
| Oct 2, 2:27 PM EDT | Coastal Flood Advisory | PHI | 6 hr |
| Oct 12, 11:57 AM EDT | Coastal Flood Statement | PHI | 4 hr |
| Oct 13, 2:45 AM EDT | Coastal Flood Advisory | PHI | 19 hr |
| Oct 14, 3:26 AM EDT | Coastal Flood Advisory | PHI | 19 hr |
| Oct 14, 12:25 PM EDT | Special Weather Statement | PHI | 80 min |
| Oct 14, 1:43 PM EDT | Special Weather Statement | PHI | 62 min |
| Oct 19, 3:29 AM EDT | Coastal Flood Statement | PHI | 18 hr |
| Oct 20, 4:22 AM EDT | Coastal Flood Statement | PHI | 4 hr |
| Oct 27, 12:36 PM EDT | Coastal Flood Advisory | PHI | 4 hr |
| Oct 27, 12:36 PM EDT | Coastal Flood Advisory | PHI | 28 hr |
| Oct 28, 3:26 PM EDT | Coastal Flood Warning | PHI | 23 hr |
| Oct 28, 3:52 PM EDT | Winter Weather Advisory | PHI | 31 hr |
| Oct 29, 1:58 PM EDT | Coastal Flood Advisory | PHI | 3 hr |
| Oct 30, 3:55 AM EDT | Freeze Warning | PHI | 29 hr |
| Nov 9, 10:38 PM EST | Dense Fog Advisory | PHI | 12 hr |
| Nov 22, 2:45 PM EST | Coastal Flood Statement | PHI | 7 hr |
| Nov 22, 2:48 PM EST | Flash Flood Watch | PHI | 16 hr |
| Nov 22, 9:32 PM EST | Coastal Flood Advisory | PHI | 15 hr |
| Nov 23, 12:35 AM EST | Areal Flood Advisory | PHI | 6 hr |
| Nov 23, 3:08 AM EST | Special Weather Statement | PHI | 3 hr |
| Nov 23, 3:44 AM EST | Areal Flood Warning | PHI | 8 hr |
| Nov 23, 6:57 AM EST | River Flood Warning | PHI | 16 hr |
| Nov 24, 1:48 AM EST | Coastal Flood Advisory | PHI | 13 hr |
| Nov 25, 3:25 AM EST | Coastal Flood Statement | PHI | 12 hr |
| Nov 29, 12:48 PM EST | Special Weather Statement | PHI | 57 min |
| Nov 29, 4:27 PM EST | Areal Flood Advisory | PHI | 4 hr |
| Dec 4, 10:44 PM EST | Dense Fog Advisory | PHI | 11 hr |
| Dec 6, 3:10 PM EST | Flood Watch | PHI | 36 hr |
| Dec 7, 6:51 AM EST | Areal Flood Advisory | PHI | 4 hr |
| Dec 7, 4:37 PM EST | Areal Flood Advisory | PHI | 4 hr |
| Dec 7, 8:04 PM EST | Areal Flood Warning | PHI | 18 hr |
| Dec 7, 9:41 PM EST | River Flood Warning | PHI | 5 hr |
| Dec 8, 2:51 AM EST | River Flood Warning | PHI | 13 hr |
| Dec 21, 9:54 PM EST | Special Weather Statement | PHI | 51 min |
| Dec 21, 10:34 PM EST | Special Weather Statement | PHI | 41 min |
| Dec 26, 3:13 PM EST | Flood Watch | PHI | 30 hr |
| Dec 27, 1:20 PM EST | Coastal Flood Statement | PHI | 4 hr |
| Dec 27, 7:55 PM EST | Areal Flood Warning | PHI | 94 min |
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 archive20102012
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.