Alert archive / Pennsylvania / Delaware County
Weather alerts in Delaware County, Pennsylvania, 2016
171 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 171
- Warnings
- 42
- Watches
- 26
- Advisories
- 44
- Busiest month
- July40 alerts
- Busiest day
- July 25, 20168 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 9, 2:38 PM EST | Coastal Flood Advisory | PHI | 31 hr |
| Jan 10, 5:18 PM EST | Special Weather Statement | PHI | 42 min |
| Jan 12, 3:30 PM EST | Wind Advisory | PHI | 12 hr |
| Jan 12, 6:08 PM EST | Special Weather Statement | PHI | 82 min |
| Jan 12, 7:06 PM EST | Special Weather Statement | PHI | 84 min |
| Jan 20, 3:21 PM EST | Winter Storm Watch | PHI | 37 hr |
| Jan 21, 10:37 AM EST | Blizzard Watch | PHI | 18 hr |
| Jan 22, 2:20 AM EST | Coastal Flood Advisory | PHI | 37 hr |
| Jan 22, 4:16 AM EST | Blizzard Warning | PHI | 44 hr |
| Jan 22, 5:36 PM EST | Special Weather Statement | PHI | 3 hr |
| Jan 22, 9:56 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 23, 12:08 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 23, 4:20 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 23, 8:51 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 23, 12:44 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 23, 6:40 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 26, 5:16 AM EST | Freezing Rain Advisory | PHI | 6 hr |
| Feb 1, 3:32 PM EST | Flood Watch | PHI | 60 hr |
| Feb 4, 3:27 PM EST | Winter Weather Advisory | PHI | 21 hr |
| Feb 8, 3:54 AM EST | Winter Storm Watch | PHI | 11 hr |
| Feb 8, 1:59 PM EST | Coastal Flood Advisory | PHI | 36 hr |
| Feb 8, 3:22 PM EST | Winter Storm Warning | PHI | 30 hr |
| Feb 8, 3:22 PM EST | Winter Weather Advisory | PHI | 30 hr |
| Feb 12, 2:19 PM EST | Wind Advisory | PHI | 28 hr |
| Feb 12, 2:36 PM EST | Wind Chill Advisory | PHI | 42 hr |
| Feb 14, 3:12 PM EST | Winter Weather Advisory | PHI | 40 hr |
| Feb 15, 1:46 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 15, 6:49 PM EST | Freezing Rain Advisory | PHI | 10 hr |
| Feb 16, 11:15 AM EST | Special Weather Statement | PHI | 60 min |
| Feb 16, 12:09 PM EST | Special Weather Statement | PHI | 51 min |
| Feb 16, 12:11 PM EST | Special Weather Statement | PHI | 49 min |
| Feb 16, 12:29 PM EST | Severe Thunderstorm Warning | PHI | 46 min |
| Feb 16, 12:34 PM EST | Areal Flood Advisory | PHI | 4 hr |
| Feb 16, 12:52 PM EST | Areal Flood Advisory | PHI | 4 hr |
| Feb 16, 3:13 PM EST | Areal Flood Warning | PHI | 4 hr |
| Feb 16, 7:12 PM EST | Areal Flood Warning | PHI | 6 hr |
| Feb 24, 2:47 PM EST | Areal Flood Advisory | PHI | 4 hr |
| Feb 24, 3:06 PM EST | Mesoscale Discussion | SPC | 54 min |
| Feb 24, 3:20 PM EST | Tornado Watch | SPC | 8 hr |
| Feb 24, 3:56 PM EST | Coastal Flood Advisory | PHI | 20 hr |
| Feb 24, 7:12 PM EST | Severe Thunderstorm Warning | PHI | 33 min |
| Feb 24, 8:42 PM EST | Areal Flood Advisory | PHI | 4 hr |
| Feb 24, 9:40 PM EST | Severe Thunderstorm Warning | PHI | 35 min |
| Feb 24, 10:05 PM EST | Flash Flood Warning | PHI | 4 hr |
| Feb 25, 12:28 AM EST | River Flood Warning | PHI | 18 hr |
| Feb 25, 2:04 AM EST | Areal Flood Warning | PHI | 4 hr |
| Mar 3, 3:32 AM EST | Winter Weather Advisory | PHI | 33 hr |
| Mar 28, 4:00 AM EDT | Wind Advisory | PHI | 20 hr |
| Apr 1, 4:08 AM EDT | High Wind Watch | PHI | 24 hr |
| Apr 1, 1:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Apr 2, 3:58 AM EDT | High Wind Warning | PHI | 32 hr |
| Apr 2, 9:45 PM EDT | Special Weather Statement | PHI | 2 hr |
| Apr 2, 10:51 PM EDT | Severe Thunderstorm Warning | PHI | 39 min |
| Apr 2, 11:09 PM EDT | Severe Thunderstorm Warning | PHI | 51 min |
| Apr 3, 11:34 AM EDT | Wind Advisory | PHI | 4 hr |
| Apr 3, 3:40 PM EDT | Freeze Watch | PHI | 12 hr |
| Apr 4, 3:55 AM EDT | Freeze Warning | PHI | 30 hr |
| Apr 4, 4:28 AM EDT | Freeze Watch | PHI | 30 hr |
| Apr 5, 9:59 AM EDT | Freeze Warning | PHI | 23 hr |
| Apr 7, 12:08 PM EDT | Severe Thunderstorm Warning | PHI | 37 min |
| Apr 7, 1:03 PM EDT | Special Weather Statement | PHI | 42 min |
| Apr 8, 4:00 AM EDT | Freeze Watch | PHI | 17 hr |
| Apr 8, 8:47 PM EDT | Freeze Warning | PHI | 37 hr |
| Apr 8, 9:15 PM EDT | Winter Weather Advisory | PHI | 22 hr |
| Apr 18, 2:00 PM EDT | Fire Weather Watch | PHI | 13 hr |
| Apr 19, 3:00 AM EDT | Red Flag Warning | PHI | 17 hr |
| Apr 21, 10:30 AM EDT | Red Flag Warning | PHI | 5 hr |
| Apr 26, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Apr 26, 1:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 26, 1:54 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 26, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Apr 26, 6:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| May 5, 3:57 AM EDT | Coastal Flood Advisory | PHI | 23 hr |
| May 6, 3:39 AM EDT | Coastal Flood Advisory | PHI | 29 hr |
| May 14, 2:44 PM EDT | Special Weather Statement | PHI | 61 min |
| May 14, 3:41 PM EDT | Special Weather Statement | PHI | 79 min |
| May 21, 10:05 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| May 23, 6:11 PM EDT | Special Weather Statement | PHI | 79 min |
| May 23, 6:29 PM EDT | Special Weather Statement | PHI | 31 min |
| May 29, 10:39 PM EDT | Areal Flood Advisory | PHI | 6 hr |
| Jun 5, 3:12 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 5, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | 38 min |
| Jun 5, 4:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 5, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | 52 min |
| Jun 5, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | 47 min |
| Jun 8, 11:03 AM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Jun 8, 11:27 AM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| Jun 11, 2:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 21, 12:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 21, 1:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 5:38 PM EDT | Special Weather Statement | PHI | 52 min |
| Jun 23, 6:25 PM EDT | Special Weather Statement | PHI | 35 min |
| Jun 23, 7:15 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jun 23, 7:47 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jun 28, 4:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 7:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 1, 12:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 1, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 5:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 4, 3:02 PM EDT | Flash Flood Watch | PHI | 18 hr |
| Jul 5, 2:55 PM EDT | Excessive Heat Watch | PHI | 13 hr |
| Jul 5, 2:55 PM EDT | Heat Advisory | PHI | 13 hr |
| Jul 6, 3:40 AM EDT | Excessive Heat Warning | PHI | 62 hr |
| Jul 8, 1:30 PM EDT | Special Weather Statement | PHI | 3 hr |
| Jul 9, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | 43 min |
| Jul 9, 3:55 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Jul 9, 4:15 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 12, 2:45 PM EDT | Excessive Heat Watch | PHI | 24 hr |
| Jul 13, 2:44 PM EDT | Excessive Heat Warning | PHI | 52 hr |
| Jul 16, 3:12 PM EDT | Special Weather Statement | PHI | 33 min |
| Jul 16, 3:33 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 18, 11:40 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 18, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 18, 3:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 18, 3:17 PM EDT | Special Weather Statement | PHI | 43 min |
| Jul 18, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | 49 min |
| Jul 21, 3:34 AM EDT | Excessive Heat Watch | PHI | 61 hr |
| Jul 22, 3:35 PM EDT | Excessive Heat Warning | PHI | 3 days |
| Jul 23, 2:34 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | 35 min |
| Jul 25, 3:55 AM EDT | Special Weather Statement | PHI | 50 min |
| Jul 25, 4:19 AM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Jul 25, 4:54 AM EDT | Severe Thunderstorm Warning | PHI | 51 min |
| Jul 25, 12:43 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 25, 3:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jul 25, 4:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 25, 7:12 PM EDT | Special Weather Statement | PHI | 63 min |
| Jul 25, 7:17 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Jul 27, 3:53 PM EDT | Flash Flood Watch | PHI | 42 hr |
| Jul 28, 12:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 1:24 PM EDT | Severe Thunderstorm Warning | PHI | 51 min |
| Jul 28, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jul 28, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | 45 min |
| Jul 28, 2:36 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 28, 4:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 30, 12:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Aug 1, 2:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 6, 12:54 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 6, 6:25 PM EDT | Special Weather Statement | PHI | 35 min |
| Aug 6, 6:32 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Aug 9, 3:04 PM EDT | Excessive Heat Watch | PHI | 24 hr |
| Aug 10, 3:20 PM EDT | Excessive Heat Warning | PHI | 6 days |
| Aug 12, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | 41 min |
| Aug 14, 8:17 PM EDT | Special Weather Statement | PHI | 43 min |
| Aug 16, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 16, 4:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 16, 5:36 PM EDT | Special Weather Statement | PHI | 54 min |
| Aug 16, 6:31 PM EDT | Special Weather Statement | PHI | 29 min |
| Aug 17, 12:33 AM EDT | Special Weather Statement | PHI | 42 min |
| Aug 17, 1:08 AM EDT | Special Weather Statement | PHI | 37 min |
| Aug 21, 2:51 PM EDT | Areal Flood Advisory | PHI | 114 min |
| Aug 21, 3:47 PM EDT | Areal Flood Advisory | PHI | 118 min |
| Sep 7, 11:50 AM EDT | Heat Advisory | PHI | 3 days |
| Sep 28, 3:48 PM EDT | Flash Flood Watch | PHI | 43 hr |
| Sep 30, 1:40 AM EDT | Coastal Flood Advisory | PHI | 13 hr |
| Sep 30, 5:03 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| Oct 25, 3:54 AM EDT | Frost Advisory | PHI | 29 hr |
| Oct 30, 3:55 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 30, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Nov 6, 5:46 PM EST | Frost Advisory | PHI | 13 hr |
| Nov 7, 3:42 PM EST | Frost Advisory | PHI | 16 hr |
| Nov 11, 4:45 PM EST | Frost Advisory | PHI | 15 hr |
| Nov 12, 2:31 PM EST | Freeze Warning | PHI | 17 hr |
| Nov 19, 3:42 AM EST | Wind Advisory | PHI | 63 hr |
| Nov 30, 3:14 AM EST | Dense Fog Advisory | PHI | 8 hr |
| Nov 30, 8:17 PM EST | Special Weather Statement | PHI | 28 min |
| Dec 10, 1:54 AM EST | Special Weather Statement | PHI | 36 min |
| Dec 16, 3:45 AM EST | Winter Weather Advisory | PHI | 37 hr |
| Dec 17, 4:21 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 17, 7:28 PM EST | Dense Fog Advisory | PHI | 11 hr |
| Dec 18, 1:29 PM EST | Special Weather Statement | PHI | 2 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 archive20152017
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.