Alert archive / Pennsylvania / Lancaster County
Weather alerts in Lancaster County, Pennsylvania, 2020
181 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lancaster County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 181
- Warnings
- 38
- Watches
- 27
- Advisories
- 39
- Busiest month
- August38 alerts
- Busiest day
- July 6, 202012 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 7, 2:01 AM EST | Winter Weather Advisory | CTP | 17 hr |
| Jan 8, 11:45 AM EST | Special Weather Statement | CTP | 60 min |
| Jan 11, 4:07 AM EST | Wind Advisory | CTP | 30 hr |
| Jan 12, 12:34 AM EST | Special Weather Statement | CTP | 56 min |
| Jan 12, 1:26 AM EST | Special Weather Statement | CTP | 49 min |
| Jan 15, 2:23 PM EST | Wind Advisory | CTP | 29 hr |
| Jan 17, 3:01 PM EST | Winter Weather Advisory | CTP | 30 hr |
| Feb 1, 1:22 AM EST | Dense Fog Advisory | CTP | 7 hr |
| Feb 6, 10:49 PM EST | Wind Advisory | CTP | 18 hr |
| Feb 7, 8:42 AM EST | Severe Thunderstorm Warning | CTP | 48 min |
| Feb 26, 3:40 AM EST | Wind Advisory | CTP | 40 hr |
| Mar 3, 6:50 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 3, 8:09 PM EST | Special Weather Statement | CTP | 36 min |
| Mar 3, 10:52 PM EST | Mesoscale Discussion | SPC | 113 min |
| Mar 20, 3:00 AM EDT | Dense Fog Advisory | CTP | 5 hr |
| Apr 8, 8:43 PM EDT | Wind Advisory | CTP | 21 hr |
| Apr 9, 11:09 AM EDT | Mesoscale Discussion | SPC | 66 min |
| Apr 9, 11:28 AM EDT | Special Weather Statement | CTP | 47 min |
| Apr 9, 12:01 PM EDT | Severe Thunderstorm Warning | CTP | 29 min |
| Apr 9, 12:47 PM EDT | Special Weather Statement | CTP | 43 min |
| Apr 9, 12:56 PM EDT | Severe Thunderstorm Warning | CTP | 34 min |
| Apr 9, 11:18 PM EDT | Severe Thunderstorm Warning | CTP | 42 min |
| Apr 10, 2:15 AM EDT | Freeze Watch | CTP | 11 hr |
| Apr 10, 2:15 AM EDT | Wind Advisory | CTP | 17 hr |
| Apr 10, 1:21 PM EDT | Freeze Warning | CTP | 19 hr |
| Apr 12, 12:43 PM EDT | Wind Advisory | CTP | 31 hr |
| Apr 13, 7:32 AM EDT | Special Weather Statement | CTP | 43 min |
| Apr 13, 10:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 13, 11:33 AM EDT | Tornado Watch | SPC | 5 hr |
| Apr 13, 12:52 PM EDT | Severe Thunderstorm Warning | CTP | 38 min |
| Apr 13, 1:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 13, 2:09 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Apr 13, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | 58 min |
| Apr 16, 4:56 AM EDT | Freeze Watch | CTP | 9 hr |
| Apr 16, 2:05 PM EDT | Freeze Warning | CTP | 19 hr |
| Apr 18, 3:34 AM EDT | Frost Advisory | CTP | 29 hr |
| Apr 21, 4:18 AM EDT | Freeze Warning | CTP | 29 hr |
| Apr 21, 12:06 PM EDT | Special Weather Statement | CTP | 69 min |
| Apr 25, 3:32 AM EDT | Dense Fog Advisory | CTP | 4 hr |
| Apr 29, 3:33 AM EDT | Flood Watch | CTP | 50 hr |
| Apr 30, 1:22 PM EDT | Special Weather Statement | CTP | 113 min |
| Apr 30, 1:34 PM EDT | Areal Flood Advisory | CTP | 6 hr |
| Apr 30, 4:39 PM EDT | Areal Flood Warning | CTP | 6 hr |
| May 7, 1:44 PM EDT | Freeze Watch | CTP | 13 hr |
| May 7, 1:44 PM EDT | Freeze Warning | CTP | 44 hr |
| May 9, 5:04 AM EDT | Freeze Warning | CTP | 27 hr |
| May 11, 2:58 AM EDT | Frost Advisory | CTP | 27 hr |
| May 12, 2:25 PM EDT | Frost Advisory | CTP | 18 hr |
| May 29, 12:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 29, 2:25 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 29, 3:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 29, 4:13 PM EDT | Special Weather Statement | CTP | 47 min |
| May 29, 4:48 PM EDT | Special Weather Statement | CTP | 42 min |
| May 29, 5:25 PM EDT | Special Weather Statement | CTP | 50 min |
| May 29, 6:47 PM EDT | Special Weather Statement | CTP | 28 min |
| May 29, 8:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 3, 8:32 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 3, 10:08 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 3, 11:19 AM EDT | Severe Thunderstorm Warning | CTP | 56 min |
| Jun 3, 11:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 3, 3:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 3:52 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| Jun 3, 7:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 3, 8:15 PM EDT | Severe Thunderstorm Warning | CTP | 45 min |
| Jun 3, 8:52 PM EDT | Severe Thunderstorm Warning | CTP | 23 min |
| Jun 4, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 4, 6:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 4, 7:17 PM EDT | Severe Thunderstorm Warning | CTP | 58 min |
| Jun 4, 7:59 PM EDT | Severe Thunderstorm Warning | CTP | 61 min |
| Jun 4, 8:54 PM EDT | Areal Flood Advisory | CTP | 111 min |
| Jun 5, 10:38 AM EDT | Flash Flood Watch | CTP | 10 hr |
| Jun 5, 2:01 PM EDT | Special Weather Statement | CTP | 59 min |
| Jun 5, 3:02 PM EDT | Special Weather Statement | CTP | 58 min |
| Jun 5, 4:10 PM EDT | Special Weather Statement | CTP | 35 min |
| Jun 5, 4:46 PM EDT | Areal Flood Advisory | CTP | 119 min |
| Jun 23, 7:25 PM EDT | Special Weather Statement | CTP | 35 min |
| Jun 25, 4:53 PM EDT | Special Weather Statement | CTP | 37 min |
| Jun 28, 4:04 PM EDT | Special Weather Statement | CTP | 26 min |
| Jun 28, 4:29 PM EDT | Special Weather Statement | CTP | 31 min |
| Jul 6, 12:33 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 6, 1:38 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 6, 4:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 6, 4:44 PM EDT | Special Weather Statement | CTP | 46 min |
| Jul 6, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | 60 min |
| Jul 6, 5:49 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 6, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | 60 min |
| Jul 6, 6:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 6:51 PM EDT | Special Weather Statement | CTP | 24 min |
| Jul 6, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | 85 min |
| Jul 6, 7:50 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 6, 7:57 PM EDT | Severe Thunderstorm Warning | CTP | 41 min |
| Jul 6, 8:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 4:35 PM EDT | Areal Flood Advisory | CTP | 115 min |
| Jul 8, 4:43 PM EDT | Special Weather Statement | CTP | 32 min |
| Jul 8, 5:18 PM EDT | Special Weather Statement | CTP | 27 min |
| Jul 8, 5:28 PM EDT | Special Weather Statement | CTP | 32 min |
| Jul 10, 2:43 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 12, 5:42 PM EDT | Special Weather Statement | CTP | 33 min |
| Jul 12, 6:48 PM EDT | Special Weather Statement | CTP | 42 min |
| Jul 12, 8:47 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 18, 2:29 PM EDT | Heat Advisory | CTP | 54 hr |
| Jul 21, 2:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 21, 8:08 PM EDT | Special Weather Statement | CTP | 37 min |
| Jul 22, 3:13 AM EDT | Heat Advisory | CTP | 17 hr |
| Jul 22, 10:48 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 22, 12:01 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 22, 3:39 PM EDT | Severe Thunderstorm Warning | CTP | 36 min |
| Jul 22, 4:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 23, 4:00 PM EDT | Special Weather Statement | CTP | 30 min |
| Jul 24, 5:24 PM EDT | Areal Flood Advisory | CTP | 111 min |
| Jul 24, 7:51 PM EDT | Special Weather Statement | CTP | 24 min |
| Aug 2, 2:52 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 2, 3:43 AM EDT | Special Weather Statement | CTP | 62 min |
| Aug 2, 3:59 PM EDT | Flash Flood Watch | CTP | 47 hr |
| Aug 4, 3:19 AM EDT | Special Weather Statement | CTP | 56 min |
| Aug 4, 8:39 AM EDT | Special Weather Statement | CTP | 36 min |
| Aug 4, 8:55 AM EDT | River Flood Warning | CTP | 7 hr |
| Aug 4, 9:37 AM EDT | Areal Flood Advisory | CTP | 4 hr |
| Aug 4, 9:55 AM EDT | Special Weather Statement | CTP | 65 min |
| Aug 4, 10:30 AM EDT | Flash Flood Warning | CTP | 4 hr |
| Aug 4, 1:56 PM EDT | Areal Flood Warning | CTP | 3 hr |
| Aug 6, 1:59 PM EDT | Flash Flood Watch | CTP | 8 hr |
| Aug 7, 10:06 AM EDT | Flash Flood Watch | CTP | 9 hr |
| Aug 7, 1:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 7, 3:14 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 7, 3:31 PM EDT | Flash Flood Warning | CTP | 3 hr |
| Aug 7, 3:54 PM EDT | Special Weather Statement | CTP | 36 min |
| Aug 7, 4:40 PM EDT | Flash Flood Warning | CTP | 118 min |
| Aug 12, 3:09 AM EDT | Flash Flood Watch | CTP | 16 hr |
| Aug 12, 1:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 3:42 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Aug 12, 4:15 PM EDT | Flash Flood Warning | CTP | 2 hr |
| Aug 13, 2:22 AM EDT | Flash Flood Watch | CTP | 18 hr |
| Aug 17, 5:02 PM EDT | Special Weather Statement | CTP | 58 min |
| Aug 17, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | 32 min |
| Aug 23, 3:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 6:03 PM EDT | Areal Flood Advisory | CTP | 117 min |
| Aug 23, 7:54 PM EDT | Special Weather Statement | CTP | 66 min |
| Aug 24, 12:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 25, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 25, 3:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 27, 5:32 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 27, 6:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 28, 9:55 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 28, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 28, 2:53 PM EDT | Severe Thunderstorm Warning | CTP | 52 min |
| Aug 28, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | 54 min |
| Aug 29, 3:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 5:05 PM EDT | Special Weather Statement | CTP | 55 min |
| Sep 2, 3:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Sep 2, 6:43 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 2, 7:58 PM EDT | Special Weather Statement | CTP | 32 min |
| Sep 2, 8:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Sep 3, 3:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 3, 3:42 PM EDT | Tornado Watch | SPC | 6 hr |
| Sep 3, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | 30 min |
| Sep 3, 6:13 PM EDT | Special Weather Statement | CTP | 47 min |
| Sep 10, 1:38 PM EDT | Flash Flood Watch | CTP | 6 hr |
| Sep 10, 1:56 PM EDT | Areal Flood Advisory | CTP | 2 hr |
| Sep 10, 4:02 PM EDT | Areal Flood Advisory | CTP | 118 min |
| Oct 17, 12:25 PM EDT | Frost Advisory | CTP | 21 hr |
| Oct 22, 3:58 AM EDT | Dense Fog Advisory | CTP | 6 hr |
| Oct 29, 2:15 AM EDT | Freeze Watch | CTP | 12 hr |
| Oct 29, 2:04 PM EDT | Freeze Warning | CTP | 43 hr |
| Nov 1, 9:59 PM EST | Wind Advisory | CTP | 14 hr |
| Nov 14, 2:11 PM EST | Wind Advisory | CTP | 32 hr |
| Nov 15, 3:33 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 15, 5:35 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
| Nov 15, 5:51 PM EST | Severe Thunderstorm Warning | CTP | 84 min |
| Nov 15, 6:52 PM EST | Mesoscale Discussion | SPC | 113 min |
| Dec 12, 7:36 AM EST | Special Weather Statement | CTP | 84 min |
| Dec 13, 1:37 PM EST | Winter Weather Advisory | CTP | 25 hr |
| Dec 14, 4:44 AM EST | Winter Storm Watch | CTP | 34 hr |
| Dec 15, 4:30 AM EST | Winter Storm Warning | CTP | 51 hr |
| Dec 16, 1:57 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 16, 4:41 PM EST | Special Weather Statement | CTP | 49 min |
| Dec 22, 3:09 PM EST | Flood Watch | CTP | 69 hr |
| Dec 25, 12:08 AM EST | Special Weather Statement | CTP | 67 min |
| Dec 25, 12:31 PM EST | River Flood Warning | CTP | 45 hr |
| Dec 25, 12:31 PM EST | River Flood Warning | CTP | 36 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 | 22 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 34 |
| Special Weather Statement | 43 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 4 |
| River Flood Warning | 3 |
| Flash Flood Watch | 7 |
| Flood Watch | 2 |
| Areal Flood Advisory | 17 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 4 |
| Frost Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.