Alert archive / Pennsylvania / Butler County
Weather alerts in Butler County, Pennsylvania, 2021
159 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Butler County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 159
- Warnings
- 70
- Watches
- 17
- Advisories
- 21
- Busiest month
- August53 alerts
- Busiest day
- August 12, 202116 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 1, 12:55 PM EST | Winter Weather Advisory | PBZ | 5 hr |
| Jan 16, 8:51 AM EST | Special Weather Statement | PBZ | 54 min |
| Jan 16, 11:07 AM EST | Special Weather Statement | PBZ | 53 min |
| Jan 25, 3:47 AM EST | Winter Weather Advisory | PBZ | 30 hr |
| Jan 30, 3:42 AM EST | Winter Weather Advisory | PBZ | 71 hr |
| Feb 4, 10:13 PM EST | Special Weather Statement | PBZ | 62 min |
| Feb 8, 1:45 PM EST | Winter Weather Advisory | PBZ | 21 hr |
| Feb 13, 8:11 AM EST | Winter Weather Advisory | PBZ | 24 hr |
| Feb 13, 1:55 PM EST | Winter Storm Watch | PBZ | 24 hr |
| Feb 14, 1:49 PM EST | Winter Storm Warning | PBZ | 40 hr |
| Feb 15, 2:44 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 15, 9:16 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 22, 6:09 AM EST | Special Weather Statement | PBZ | 51 min |
| Mar 18, 7:23 PM EDT | Areal Flood Advisory | PBZ | 2 hr |
| Mar 24, 1:03 PM EDT | High Wind Watch | PBZ | 24 hr |
| Mar 25, 1:12 PM EDT | Wind Advisory | PBZ | 27 hr |
| Mar 25, 5:03 PM EDT | Special Weather Statement | PBZ | 57 min |
| Apr 1, 6:25 PM EDT | Special Weather Statement | PBZ | 65 min |
| Apr 25, 4:33 PM EDT | Freeze Warning | PBZ | 15 hr |
| Apr 30, 12:59 AM EDT | Freeze Watch | PBZ | 12 hr |
| Apr 30, 12:59 PM EDT | Freeze Warning | PBZ | 20 hr |
| May 3, 9:29 PM EDT | Tornado Warning | PBZ | 31 min |
| May 8, 4:09 AM EDT | Frost Advisory | PBZ | 28 hr |
| May 11, 11:52 AM EDT | Frost Advisory | PBZ | 19 hr |
| May 12, 11:40 AM EDT | Frost Advisory | PBZ | 20 hr |
| May 24, 10:27 AM EDT | Areal Flood Advisory | PBZ | 3 hr |
| May 26, 12:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 26, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 4:40 PM EDT | Special Weather Statement | PBZ | 35 min |
| Jun 13, 12:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 12:50 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 3:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 13, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | 35 min |
| Jun 13, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | 37 min |
| Jun 13, 5:33 PM EDT | Severe Thunderstorm Warning | PBZ | 27 min |
| Jun 14, 11:17 AM EDT | Severe Thunderstorm Warning | PBZ | 28 min |
| Jun 14, 11:31 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 14, 11:46 AM EDT | Special Weather Statement | PBZ | 29 min |
| Jun 14, 11:46 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 14, 12:23 PM EDT | Special Weather Statement | PBZ | 37 min |
| Jun 14, 12:45 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Jun 14, 2:28 PM EDT | Special Weather Statement | PBZ | 32 min |
| Jun 14, 2:53 PM EDT | Special Weather Statement | PBZ | 37 min |
| Jun 19, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | 43 min |
| Jun 19, 7:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 19, 7:33 PM EDT | Special Weather Statement | PBZ | 27 min |
| Jun 21, 11:59 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 21, 12:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 21, 2:37 PM EDT | Severe Thunderstorm Warning | PBZ | 23 min |
| Jun 21, 2:51 PM EDT | Tornado Warning | PBZ | 9 min |
| Jun 21, 2:55 PM EDT | Severe Thunderstorm Warning | PBZ | 35 min |
| Jun 21, 2:58 PM EDT | Tornado Warning | PBZ | 17 min |
| Jun 21, 3:21 PM EDT | Severe Thunderstorm Warning | PBZ | 24 min |
| Jun 29, 2:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 30, 11:30 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 11:47 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 4:29 PM EDT | Special Weather Statement | PBZ | 31 min |
| Jun 30, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Jul 1, 8:46 AM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jul 7, 3:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Jul 7, 4:01 PM EDT | Severe Thunderstorm Warning | PBZ | 29 min |
| Jul 7, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | 32 min |
| Jul 7, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | 25 min |
| Jul 7, 4:58 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Jul 11, 2:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 11, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 12, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Jul 13, 3:14 PM EDT | Severe Thunderstorm Warning | PBZ | 31 min |
| Jul 13, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | 39 min |
| Jul 13, 3:39 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Jul 13, 4:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 13, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | 49 min |
| Jul 13, 4:14 PM EDT | Severe Thunderstorm Warning | PBZ | 31 min |
| Jul 13, 4:41 PM EDT | Severe Thunderstorm Warning | PBZ | 34 min |
| Jul 16, 2:27 PM EDT | Severe Thunderstorm Warning | PBZ | 48 min |
| Jul 16, 2:49 PM EDT | Severe Thunderstorm Warning | PBZ | 41 min |
| Jul 16, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Jul 16, 3:30 PM EDT | Severe Thunderstorm Warning | PBZ | 45 min |
| Jul 17, 2:46 AM EDT | Flash Flood Watch | PBZ | 15 hr |
| Jul 20, 8:45 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Jul 20, 9:11 PM EDT | Special Weather Statement | PBZ | 34 min |
| Jul 28, 3:09 PM EDT | Severe Thunderstorm Warning | PBZ | 31 min |
| Jul 29, 3:13 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 6:15 PM EDT | Special Weather Statement | PBZ | 30 min |
| Aug 10, 12:12 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 10, 12:55 PM EDT | Special Weather Statement | PBZ | 35 min |
| Aug 10, 2:07 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Aug 11, 11:50 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 11, 12:15 PM EDT | Special Weather Statement | PBZ | 45 min |
| Aug 11, 12:25 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Aug 11, 12:54 PM EDT | Severe Thunderstorm Warning | PBZ | 36 min |
| Aug 11, 1:17 PM EDT | Severe Thunderstorm Warning | PBZ | 43 min |
| Aug 12, 3:15 AM EDT | Heat Advisory | PBZ | 16 hr |
| Aug 12, 11:59 AM EDT | Severe Thunderstorm Warning | PBZ | 31 min |
| Aug 12, 12:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 12, 12:21 PM EDT | Severe Thunderstorm Warning | PBZ | 39 min |
| Aug 12, 12:34 PM EDT | Severe Thunderstorm Warning | PBZ | 41 min |
| Aug 12, 12:56 PM EDT | Severe Thunderstorm Warning | PBZ | 49 min |
| Aug 12, 3:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Aug 12, 3:48 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | 42 min |
| Aug 12, 5:43 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Aug 12, 5:43 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Aug 12, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | 52 min |
| Aug 12, 6:10 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Aug 12, 6:13 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Aug 12, 6:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 12, 6:38 PM EDT | Severe Thunderstorm Warning | PBZ | 67 min |
| Aug 12, 8:36 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Aug 12, 11:43 PM EDT | Areal Flood Warning | PBZ | 92 min |
| Aug 13, 4:46 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 13, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | 43 min |
| Aug 13, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | 45 min |
| Aug 13, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | 44 min |
| Aug 13, 7:12 PM EDT | Special Weather Statement | PBZ | 33 min |
| Aug 13, 7:27 PM EDT | Severe Thunderstorm Warning | PBZ | 48 min |
| Aug 13, 7:45 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Aug 13, 7:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Aug 17, 1:28 PM EDT | Flash Flood Watch | PBZ | 27 hr |
| Aug 20, 1:57 AM EDT | Dense Fog Advisory | PBZ | 7 hr |
| Aug 25, 4:12 PM EDT | Special Weather Statement | PBZ | 18 min |
| Aug 25, 4:50 PM EDT | Areal Flood Advisory | PBZ | 27 min |
| Aug 25, 5:17 PM EDT | Flash Flood Warning | PBZ | 88 min |
| Aug 25, 5:20 PM EDT | Special Weather Statement | PBZ | 10 min |
| Aug 25, 5:25 PM EDT | Areal Flood Advisory | PBZ | 27 min |
| Aug 25, 5:35 PM EDT | Special Weather Statement | PBZ | 25 min |
| Aug 25, 5:52 PM EDT | Flash Flood Warning | PBZ | 74 min |
| Aug 25, 5:56 PM EDT | Flash Flood Warning | PBZ | 89 min |
| Aug 29, 1:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 29, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | 23 min |
| Aug 29, 4:02 PM EDT | Severe Thunderstorm Warning | PBZ | 28 min |
| Aug 29, 4:06 PM EDT | Severe Thunderstorm Warning | PBZ | 24 min |
| Aug 29, 4:23 PM EDT | Special Weather Statement | PBZ | 52 min |
| Aug 29, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | 32 min |
| Aug 30, 4:33 AM EDT | Flash Flood Watch | PBZ | 57 hr |
| Aug 31, 2:41 PM EDT | Areal Flood Advisory | PBZ | 2 hr |
| Sep 1, 6:23 AM EDT | Flash Flood Warning | PBZ | 5 hr |
| Sep 1, 11:23 AM EDT | Areal Flood Advisory | PBZ | 52 min |
| Sep 9, 6:28 AM EDT | Special Weather Statement | PBZ | 2 hr |
| Sep 22, 1:08 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 22, 2:23 PM EDT | Tornado Watch | SPC | 6 hr |
| Sep 22, 4:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Sep 22, 4:53 PM EDT | Special Weather Statement | PBZ | 37 min |
| Sep 22, 5:25 PM EDT | Special Weather Statement | PBZ | 35 min |
| Sep 22, 5:43 PM EDT | Tornado Warning | PBZ | 18 min |
| Sep 22, 6:04 PM EDT | Tornado Warning | PBZ | 12 min |
| Sep 22, 6:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Oct 16, 6:54 AM EDT | Tornado Warning | PBZ | 21 min |
| Oct 21, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | 27 min |
| Oct 21, 2:39 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 21, 3:18 PM EDT | Special Weather Statement | PBZ | 27 min |
| Oct 21, 6:56 PM EDT | Tornado Warning | PBZ | 19 min |
| Oct 21, 7:19 PM EDT | Special Weather Statement | PBZ | 41 min |
| Oct 21, 7:24 PM EDT | Tornado Warning | PBZ | 36 min |
| Oct 21, 7:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Dec 10, 11:02 AM EST | Wind Advisory | PBZ | 34 hr |
| Dec 26, 5:43 PM EST | Winter Weather Advisory | PBZ | 19 hr |
| Dec 29, 4:51 AM EST | Dense Fog Advisory | PBZ | 3 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 | 51 |
| Tornado Warning | 8 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 27 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 7 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.