Alert archive / Pennsylvania / Adams County
Weather alerts in Adams County, Pennsylvania, 2021
140 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Adams County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 140
- Warnings
- 38
- Watches
- 31
- Advisories
- 32
- Busiest month
- August31 alerts
- Busiest day
- August 18, 202111 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, 3:16 PM EST | Winter Weather Advisory | CTP | 32 hr |
| Jan 25, 3:29 AM EST | Winter Weather Advisory | CTP | 43 hr |
| Jan 29, 8:54 PM EST | Winter Storm Watch | CTP | 19 hr |
| Jan 30, 3:24 PM EST | Winter Storm Warning | CTP | 13 hr |
| Jan 31, 4:52 AM EST | Winter Storm Warning | CTP | 48 hr |
| Feb 6, 3:14 AM EST | Winter Storm Watch | CTP | 11 hr |
| Feb 6, 3:14 AM EST | Winter Weather Advisory | CTP | 33 hr |
| Feb 10, 4:33 AM EST | Winter Weather Advisory | CTP | 28 hr |
| Feb 13, 2:53 PM EST | Winter Weather Advisory | CTP | 17 hr |
| Feb 14, 3:46 PM EST | Winter Weather Advisory | CTP | 38 hr |
| Feb 16, 3:35 PM EST | Winter Storm Watch | CTP | 23 hr |
| Feb 17, 2:39 PM EST | Winter Storm Warning | CTP | 22 hr |
| Feb 18, 12:25 PM EST | Winter Weather Advisory | CTP | 22 hr |
| Feb 21, 2:29 PM EST | Winter Weather Advisory | CTP | 23 hr |
| Feb 22, 7:48 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 22, 8:28 AM EST | Snow Squall Warning | CTP | 47 min |
| Mar 1, 2:33 AM EST | Dense Fog Advisory | CTP | 5 hr |
| Mar 1, 3:40 AM EST | Wind Advisory | CTP | 23 hr |
| Mar 13, 2:42 PM EST | Fire Weather Watch | CTP | 13 hr |
| Mar 14, 4:19 AM EDT | Red Flag Warning | CTP | 18 hr |
| Mar 25, 1:44 AM EDT | Dense Fog Advisory | CTP | 7 hr |
| Mar 25, 11:51 AM EDT | Wind Advisory | CTP | 30 hr |
| Mar 28, 4:26 PM EDT | Special Weather Statement | CTP | 49 min |
| Apr 11, 4:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 9:29 PM EDT | Areal Flood Advisory | CTP | 2 hr |
| Apr 21, 2:11 AM EDT | Freeze Watch | CTP | 5 hr |
| Apr 21, 7:07 AM EDT | Freeze Warning | CTP | 26 hr |
| Apr 22, 9:16 AM EDT | Freeze Watch | CTP | 4 hr |
| Apr 22, 1:06 PM EDT | Freeze Warning | CTP | 20 hr |
| Apr 29, 3:58 AM EDT | High Wind Watch | CTP | 16 hr |
| Apr 29, 8:21 PM EDT | High Wind Warning | CTP | 27 hr |
| Apr 29, 8:21 PM EDT | Wind Advisory | CTP | 30 hr |
| May 26, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | 44 min |
| May 26, 5:00 PM EDT | Special Weather Statement | CTP | 30 min |
| May 26, 5:17 PM EDT | Severe Thunderstorm Warning | CTP | 43 min |
| Jun 3, 1:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 3, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 2:52 PM EDT | Special Weather Statement | CTP | 23 min |
| Jun 9, 6:00 PM EDT | Special Weather Statement | CTP | 30 min |
| Jun 10, 11:47 AM EDT | Flash Flood Watch | CTP | 9 hr |
| Jun 10, 3:56 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 14, 1:40 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 14, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 1:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 21, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 21, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | 59 min |
| Jun 21, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | 40 min |
| Jun 30, 4:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 4:51 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 30, 6:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 1, 12:22 PM EDT | Severe Thunderstorm Warning | CTP | 53 min |
| Jul 5, 2:13 PM EDT | Heat Advisory | CTP | 28 hr |
| Jul 6, 6:59 PM EDT | Heat Advisory | CTP | 24 hr |
| Jul 8, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | 73 min |
| Jul 8, 4:25 PM EDT | Areal Flood Advisory | CTP | 112 min |
| Jul 8, 4:36 PM EDT | Special Weather Statement | CTP | 54 min |
| Jul 11, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 11, 8:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 12, 1:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 12, 2:45 PM EDT | Special Weather Statement | CTP | 60 min |
| Jul 12, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 12, 11:52 PM EDT | Special Weather Statement | CTP | 23 min |
| Jul 13, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 16, 1:46 PM EDT | Flash Flood Watch | CTP | 32 hr |
| 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, 4:07 PM EDT | Areal Flood Advisory | CTP | 2 hr |
| Jul 17, 4:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 17, 5:42 PM EDT | Flash Flood Warning | CTP | 111 min |
| Jul 17, 6:09 PM EDT | Severe Thunderstorm Warning | CTP | 36 min |
| Jul 17, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | 46 min |
| Jul 17, 6:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 7:07 PM EDT | Areal Flood Advisory | CTP | 2 hr |
| Jul 17, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | 56 min |
| Jul 21, 11:56 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 12:31 PM EDT | Special Weather Statement | CTP | 29 min |
| Jul 21, 1:00 PM EDT | Special Weather Statement | CTP | 45 min |
| Jul 29, 1:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 29, 2:23 PM EDT | Tornado Watch | SPC | 8 hr |
| Aug 1, 7:34 PM EDT | Special Weather Statement | CTP | 56 min |
| Aug 10, 12:55 PM EDT | Heat Advisory | CTP | 30 hr |
| Aug 10, 12:55 PM EDT | Heat Advisory | CTP | 54 hr |
| Aug 10, 2:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 10, 5:50 PM EDT | Special Weather Statement | CTP | 40 min |
| Aug 11, 3:38 AM EDT | Excessive Heat Warning | CTP | 39 hr |
| Aug 11, 2:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 11, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 3:33 AM EDT | Excessive Heat Warning | CTP | 39 hr |
| Aug 13, 12:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 13, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 13, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| Aug 13, 3:12 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| Aug 13, 3:56 PM EDT | Areal Flood Advisory | CTP | 2 hr |
| Aug 13, 4:07 PM EDT | Severe Thunderstorm Warning | CTP | 53 min |
| Aug 17, 2:13 PM EDT | Flash Flood Watch | CTP | 34 hr |
| Aug 18, 10:58 AM EDT | Mesoscale Discussion | SPC | 92 min |
| Aug 18, 11:37 AM EDT | Tornado Watch | SPC | 11 hr |
| Aug 18, 3:10 PM EDT | Tornado Warning | CTP | 40 min |
| Aug 18, 3:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 18, 4:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Aug 18, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | 35 min |
| Aug 18, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | 40 min |
| Aug 18, 5:38 PM EDT | Severe Thunderstorm Warning | CTP | 37 min |
| Aug 18, 6:13 PM EDT | Severe Thunderstorm Warning | CTP | 47 min |
| Aug 18, 6:37 PM EDT | Areal Flood Advisory | CTP | 2 hr |
| Aug 18, 6:47 PM EDT | Severe Thunderstorm Warning | CTP | 43 min |
| Aug 26, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | 34 min |
| Aug 27, 1:41 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 28, 1:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 30, 4:11 AM EDT | Flash Flood Watch | CTP | 67 hr |
| Sep 1, 9:45 AM EDT | Areal Flood Advisory | CTP | 2 hr |
| Sep 1, 12:04 PM EDT | Flash Flood Warning | CTP | 6 hr |
| Sep 1, 12:40 PM EDT | Tornado Watch | SPC | 9 hr |
| Sep 1, 2:07 PM EDT | Severe Thunderstorm Warning | CTP | 53 min |
| Sep 1, 4:24 PM EDT | Flash Flood Warning | CTP | 4 hr |
| Sep 1, 5:41 PM EDT | Areal Flood Warning | CTP | 14 hr |
| Sep 8, 6:21 PM EDT | Flash Flood Watch | CTP | 7 hr |
| Sep 8, 8:29 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 8, 8:43 PM EDT | Special Weather Statement | CTP | 32 min |
| Sep 8, 8:55 PM EDT | Severe Thunderstorm Warning | CTP | 50 min |
| Sep 8, 9:48 PM EDT | Areal Flood Advisory | CTP | 57 min |
| Sep 8, 10:10 PM EDT | Flash Flood Warning | CTP | 95 min |
| Sep 8, 11:45 PM EDT | Areal Flood Advisory | CTP | 75 min |
| Sep 9, 5:33 PM EDT | Special Weather Statement | CTP | 27 min |
| Sep 9, 5:57 PM EDT | Special Weather Statement | CTP | 33 min |
| Sep 15, 11:55 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 15, 6:24 PM EDT | Severe Thunderstorm Warning | CTP | 27 min |
| Sep 15, 8:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 16, 6:48 PM EDT | Special Weather Statement | CTP | 57 min |
| Sep 22, 3:42 AM EDT | Flash Flood Watch | CTP | 33 hr |
| Sep 22, 6:40 PM EDT | Special Weather Statement | CTP | 35 min |
| Sep 23, 3:13 AM EDT | Mesoscale Discussion | SPC | 5 hr |
| Sep 23, 4:14 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Sep 23, 7:14 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Oct 14, 3:10 AM EDT | Dense Fog Advisory | CTP | 6 hr |
| Nov 1, 4:23 AM EDT | Freeze Watch | CTP | 22 hr |
| Nov 2, 2:47 AM EDT | Freeze Warning | CTP | 30 hr |
| Dec 10, 11:15 AM EST | Wind Advisory | CTP | 38 hr |
| Dec 30, 10:09 PM EST | Dense Fog Advisory | CTP | 12 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.