Alert archive / Pennsylvania / Lehigh County
Weather alerts in Lehigh County, Pennsylvania, 2021
204 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lehigh County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 204
- Warnings
- 60
- Watches
- 40
- Advisories
- 39
- Busiest month
- July56 alerts
- Busiest day
- July 17, 20219 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 2, 2:55 PM EST | Winter Weather Advisory | PHI | 37 hr |
| Jan 20, 9:52 AM EST | Special Weather Statement | PHI | 53 min |
| Jan 25, 3:08 PM EST | Winter Weather Advisory | PHI | 34 hr |
| Jan 29, 3:14 PM EST | Winter Storm Watch | PHI | 25 hr |
| Jan 30, 3:44 PM EST | Winter Storm Warning | PHI | 72 hr |
| Feb 1, 7:13 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 1, 1:43 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 3:23 AM EST | Winter Weather Advisory | PHI | 36 hr |
| Feb 8, 3:00 PM EST | Winter Weather Advisory | PHI | 24 hr |
| Feb 10, 3:47 AM EST | Winter Weather Advisory | PHI | 32 hr |
| Feb 12, 3:21 PM EST | Winter Weather Advisory | PHI | 43 hr |
| Feb 14, 3:15 PM EST | Ice Storm Warning | PHI | 41 hr |
| Feb 16, 3:14 PM EST | Winter Storm Watch | PHI | 24 hr |
| Feb 17, 3:43 PM EST | Winter Storm Warning | PHI | 24 hr |
| Feb 17, 3:43 PM EST | Winter Weather Advisory | PHI | 47 hr |
| Feb 18, 9:47 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 18, 12:06 PM EST | Special Weather Statement | PHI | 54 min |
| Feb 21, 2:47 PM EST | Winter Weather Advisory | PHI | 26 hr |
| Feb 22, 7:48 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 28, 3:14 PM EST | Wind Advisory | PHI | 42 hr |
| Mar 6, 6:48 AM EST | Special Weather Statement | PHI | 42 min |
| Mar 13, 2:44 PM EST | Wind Advisory | PHI | 28 hr |
| Mar 13, 2:56 PM EST | Fire Weather Watch | PHI | 12 hr |
| Mar 14, 4:22 AM EDT | Red Flag Warning | PHI | 37 hr |
| Mar 24, 7:09 PM EDT | Dense Fog Advisory | PHI | 14 hr |
| Mar 25, 11:00 AM EDT | Wind Advisory | PHI | 32 hr |
| Mar 28, 5:45 PM EDT | Special Weather Statement | PHI | 30 min |
| Apr 20, 8:48 PM EDT | Freeze Watch | PHI | 7 hr |
| Apr 21, 3:26 AM EDT | Freeze Warning | PHI | 30 hr |
| Apr 21, 12:03 PM EDT | Special Weather Statement | PHI | 42 min |
| Apr 21, 12:17 PM EDT | Severe Thunderstorm Warning | PHI | 43 min |
| Apr 21, 12:25 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Apr 21, 12:28 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 22, 8:58 AM EDT | Freeze Watch | PHI | 6 hr |
| Apr 22, 2:31 PM EDT | Freeze Warning | PHI | 17 hr |
| Apr 29, 3:32 AM EDT | High Wind Watch | PHI | 16 hr |
| Apr 29, 7:23 PM EDT | High Wind Warning | PHI | 26 hr |
| Apr 30, 8:56 PM EDT | Wind Advisory | PHI | 6 hr |
| May 23, 1:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 26, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 4:10 PM EDT | Severe Thunderstorm Warning | PHI | 65 min |
| May 26, 4:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 26, 4:46 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| Jun 3, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 4:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 4, 1:02 PM EDT | Special Weather Statement | PHI | 28 min |
| Jun 4, 1:29 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Jun 4, 2:21 PM EDT | Severe Thunderstorm Warning | PHI | 21 min |
| Jun 4, 2:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 8, 1:27 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jun 9, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | 23 min |
| Jun 14, 1:40 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 14, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 14, 4:15 PM EDT | Severe Thunderstorm Warning | PHI | 60 min |
| Jun 14, 6:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 21, 1:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 21, 4:33 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 21, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | 52 min |
| Jun 21, 7:02 PM EDT | Severe Thunderstorm Warning | PHI | 43 min |
| Jun 21, 7:38 PM EDT | Severe Thunderstorm Warning | PHI | 52 min |
| Jun 27, 3:19 AM EDT | Heat Advisory | PHI | 4 days |
| Jun 30, 3:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 6:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 1, 3:13 PM EDT | Severe Thunderstorm Warning | PHI | 47 min |
| Jul 2, 3:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 2, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Jul 3, 6:39 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Jul 4, 1:25 AM EDT | Dense Fog Advisory | PHI | 7 hr |
| Jul 5, 3:21 AM EDT | Heat Advisory | PHI | 65 hr |
| Jul 6, 12:33 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 1:32 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 4:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 6, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | 65 min |
| Jul 6, 7:50 PM EDT | Special Weather Statement | PHI | 25 min |
| Jul 6, 8:16 PM EDT | Special Weather Statement | PHI | 29 min |
| Jul 6, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Jul 7, 2:41 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 7, 3:32 PM EDT | Flash Flood Watch | PHI | 42 hr |
| Jul 7, 4:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 8, 1:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 8, 2:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 4:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 8, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | 45 min |
| Jul 8, 5:11 PM EDT | Special Weather Statement | PHI | 34 min |
| Jul 9, 4:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 9, 7:07 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 11, 3:45 PM EDT | Flash Flood Watch | PHI | 36 hr |
| Jul 11, 8:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 11, 10:22 PM EDT | Severe Thunderstorm Warning | PHI | 38 min |
| Jul 12, 1:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 12, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 12, 7:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 12:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 13, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 16, 3:17 PM EDT | Flash Flood Watch | PHI | 35 hr |
| Jul 16, 5:21 PM EDT | Severe Thunderstorm Warning | PHI | 39 min |
| Jul 16, 5:34 PM EDT | Areal Flood Advisory | PHI | 112 min |
| Jul 16, 5:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 16, 9:07 PM EDT | Special Weather Statement | PHI | 23 min |
| Jul 16, 9:29 PM EDT | Special Weather Statement | PHI | 31 min |
| Jul 16, 10:21 PM EDT | Special Weather Statement | PHI | 24 min |
| Jul 17, 12:00 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 17, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 17, 3:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 17, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | 39 min |
| Jul 17, 4:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 17, 6:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 11:56 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 1:08 PM EDT | Special Weather Statement | PHI | 37 min |
| Jul 21, 2:03 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Jul 29, 2:23 PM EDT | Tornado Watch | SPC | 8 hr |
| Jul 29, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Jul 29, 4:03 PM EDT | Tornado Warning | PHI | 27 min |
| Jul 29, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 29, 4:27 PM EDT | Tornado Warning | PHI | 16 min |
| Jul 29, 4:30 PM EDT | Severe Thunderstorm Warning | PHI | 45 min |
| Jul 29, 4:46 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 29, 4:56 PM EDT | Tornado Warning | PHI | 34 min |
| Jul 29, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Aug 9, 6:24 PM EDT | Special Weather Statement | PHI | 36 min |
| Aug 10, 3:33 AM EDT | Excessive Heat Warning | PHI | 4 days |
| Aug 10, 3:33 AM EDT | Heat Advisory | PHI | 4 days |
| Aug 10, 2:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 10, 3:52 PM EDT | Special Weather Statement | PHI | 23 min |
| Aug 10, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| Aug 10, 4:18 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 10, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Aug 11, 2:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 11, 2:56 PM EDT | Excessive Heat Watch | PHI | 12 hr |
| Aug 11, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 11, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| Aug 11, 6:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 11, 6:48 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| Aug 11, 7:04 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Aug 12, 10:08 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Aug 12, 11:20 PM EDT | Special Weather Statement | PHI | 40 min |
| Aug 13, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 3:09 PM EDT | Flash Flood Watch | PHI | 36 hr |
| Aug 18, 11:37 AM EDT | Tornado Watch | SPC | 11 hr |
| Aug 18, 3:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 18, 9:10 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 18, 9:35 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 18, 10:16 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Aug 18, 10:44 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 18, 11:19 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 21, 3:27 AM EDT | Flood Watch | PHI | 53 hr |
| Aug 22, 10:34 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Aug 22, 10:53 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Aug 23, 3:50 AM EDT | River Flood Warning | PHI | 11 hr |
| Aug 23, 8:28 AM EDT | Areal Flood Warning | PHI | 7 hr |
| Aug 26, 3:30 PM EDT | Flash Flood Watch | PHI | 48 hr |
| Aug 30, 5:00 AM EDT | Flash Flood Watch | PHI | 71 hr |
| Sep 1, 11:24 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Sep 1, 12:40 PM EDT | Tornado Watch | SPC | 9 hr |
| Sep 1, 1:29 PM EDT | Flash Flood Warning | PHI | 6 hr |
| Sep 1, 4:12 PM EDT | Flash Flood Warning | PHI | 7 hr |
| Sep 1, 4:12 PM EDT | River Flood Warning | PHI | 25 hr |
| Sep 1, 4:12 PM EDT | River Flood Warning | PHI | 24 hr |
| Sep 1, 7:23 PM EDT | Areal Flood Warning | PHI | 14 hr |
| Sep 1, 8:29 PM EDT | River Flood Warning | PHI | 10 hr |
| Sep 1, 10:47 PM EDT | Areal Flood Warning | PHI | 23 hr |
| Sep 2, 5:02 AM EDT | River Flood Warning | PHI | 11 hr |
| Sep 7, 2:33 PM EDT | Flash Flood Watch | PHI | 37 hr |
| Sep 8, 4:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | 43 min |
| Sep 8, 7:54 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 8, 7:59 PM EDT | Severe Thunderstorm Warning | PHI | 61 min |
| Sep 8, 9:12 PM EDT | Special Weather Statement | PHI | 48 min |
| Sep 8, 9:16 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Sep 8, 9:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Sep 8, 9:46 PM EDT | Special Weather Statement | PHI | 44 min |
| Sep 8, 9:48 PM EDT | Flash Flood Warning | PHI | 7 hr |
| Sep 8, 10:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 10:47 PM EDT | Severe Thunderstorm Warning | PHI | 58 min |
| Sep 8, 11:27 PM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| Sep 9, 4:26 AM EDT | Areal Flood Warning | PHI | 3 hr |
| Sep 13, 7:44 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 13, 8:41 PM EDT | Severe Thunderstorm Warning | PHI | 49 min |
| Sep 13, 9:21 PM EDT | Severe Thunderstorm Warning | PHI | 38 min |
| Sep 15, 10:33 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 15, 11:55 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 15, 3:43 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 15, 7:17 PM EDT | Special Weather Statement | PHI | 28 min |
| Sep 15, 8:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 22, 3:24 AM EDT | Flash Flood Watch | PHI | 41 hr |
| Sep 23, 10:30 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 23, 11:40 AM EDT | Areal Flood Advisory | PHI | 3 hr |
| Sep 23, 12:56 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Sep 28, 8:26 AM EDT | Areal Flood Advisory | PHI | 2 hr |
| Oct 14, 3:16 AM EDT | Dense Fog Advisory | PHI | 3 hr |
| Oct 16, 11:06 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Oct 16, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Oct 16, 2:32 PM EDT | Special Weather Statement | PHI | 58 min |
| Oct 24, 3:09 PM EDT | Flash Flood Watch | PHI | 48 hr |
| Oct 25, 6:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 1, 2:25 PM EDT | Freeze Watch | PHI | 13 hr |
| Nov 2, 3:30 AM EDT | Freeze Warning | PHI | 30 hr |
| Nov 12, 7:34 AM EST | Areal Flood Advisory | PHI | 2 hr |
| Dec 2, 9:47 PM EST | Special Weather Statement | PHI | 43 min |
| Dec 10, 3:58 AM EST | Wind Advisory | PHI | 45 hr |
| Dec 11, 7:29 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 11, 9:01 PM EST | Severe Thunderstorm Warning | PHI | 48 min |
| Dec 26, 2:55 PM EST | Winter Weather Advisory | PHI | 40 hr |
| Dec 30, 9:33 PM EST | Dense Fog Advisory | PHI | 11 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 archive20202022
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.