Alert archive / Pennsylvania / Armstrong County
Weather alerts in Armstrong County, Pennsylvania, 2011
176 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Armstrong County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 176
- Warnings
- 37
- Watches
- 26
- Advisories
- 26
- Busiest month
- July28 alerts
- Busiest day
- April 27, 20118 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 6, 10:40 PM EST | Special Weather Statement | PBZ | 110 min |
| Jan 7, 7:09 AM EST | Special Weather Statement | PBZ | 51 min |
| Jan 7, 7:59 AM EST | Special Weather Statement | PBZ | 61 min |
| Jan 7, 8:54 PM EST | Winter Weather Advisory | PBZ | 39 hr |
| Jan 9, 2:36 PM EST | Winter Storm Watch | PBZ | 25 hr |
| Jan 10, 3:19 PM EST | Winter Weather Advisory | PBZ | 3 days |
| Jan 17, 2:20 PM EST | Winter Weather Advisory | PBZ | 20 hr |
| Jan 19, 2:40 PM EST | Winter Weather Advisory | PBZ | 37 hr |
| Jan 26, 7:30 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 30, 3:30 PM EST | Winter Storm Watch | PBZ | 19 hr |
| Jan 31, 10:55 AM EST | Winter Storm Warning | PBZ | 41 hr |
| Feb 1, 12:12 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 1, 3:07 PM EST | Wind Advisory | PBZ | 24 hr |
| Feb 1, 8:39 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 4, 3:46 PM EST | Winter Weather Advisory | PBZ | 30 hr |
| Feb 7, 3:45 PM EST | Winter Weather Advisory | PBZ | 20 hr |
| Feb 8, 3:33 PM EST | Wind Chill Advisory | PBZ | 18 hr |
| Feb 13, 2:39 PM EST | Wind Advisory | PBZ | 28 hr |
| Feb 19, 2:13 PM EST | Areal Flood Advisory | PBZ | 5 hr |
| Feb 20, 7:46 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 20, 8:42 PM EST | Winter Weather Advisory | PBZ | 13 hr |
| Feb 21, 12:08 PM EST | Winter Storm Warning | PBZ | 18 hr |
| Feb 21, 12:08 PM EST | Winter Weather Advisory | PBZ | 16 hr |
| Feb 21, 5:58 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 23, 10:29 AM EST | Flood Watch | PBZ | 50 hr |
| Feb 24, 2:48 PM EST | Winter Weather Advisory | PBZ | 24 hr |
| Feb 27, 2:59 AM EST | Flood Watch | PBZ | 36 hr |
| Feb 28, 2:00 AM EST | Special Weather Statement | PBZ | 60 min |
| Feb 28, 3:18 AM EST | Special Weather Statement | PBZ | 57 min |
| Feb 28, 5:44 AM EST | Special Weather Statement | PBZ | 61 min |
| Feb 28, 5:47 AM EST | Tornado Watch | SPC | 5 hr |
| Feb 28, 6:01 AM EST | Severe Thunderstorm Warning | PBZ | 29 min |
| Feb 28, 6:32 AM EST | Special Weather Statement | PBZ | 28 min |
| Feb 28, 8:14 AM EST | Areal Flood Warning | PBZ | 10 hr |
| Mar 4, 3:47 AM EST | Flood Watch | PBZ | 54 hr |
| Mar 8, 2:21 PM EST | Flood Watch | PBZ | 52 hr |
| Mar 9, 2:41 PM EST | Winter Storm Watch | PBZ | 25 hr |
| Mar 10, 3:51 PM EST | Winter Weather Advisory | PBZ | 26 hr |
| Mar 10, 3:54 PM EST | Areal Flood Advisory | PBZ | 7 hr |
| Mar 10, 9:54 PM EST | Areal Flood Warning | PBZ | 12 hr |
| Mar 21, 4:03 AM EDT | Special Weather Statement | PBZ | 57 min |
| Mar 23, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | 60 min |
| Mar 23, 3:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Mar 23, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | 65 min |
| Mar 23, 4:55 PM EDT | Severe Thunderstorm Warning | PBZ | 65 min |
| Mar 23, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | 42 min |
| Apr 4, 10:59 AM EDT | Special Weather Statement | PBZ | 2 hr |
| Apr 4, 2:55 PM EDT | Special Weather Statement | PBZ | 65 min |
| Apr 16, 4:01 PM EDT | Wind Advisory | PBZ | 27 hr |
| Apr 19, 7:15 PM EDT | Special Weather Statement | PBZ | 45 min |
| Apr 20, 2:22 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 20, 3:20 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 20, 4:37 AM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| Apr 21, 2:55 PM EDT | Flash Flood Watch | PBZ | 53 hr |
| Apr 23, 6:00 PM EDT | Special Weather Statement | PBZ | 60 min |
| Apr 25, 1:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 25, 1:59 PM EDT | Severe Thunderstorm Warning | PBZ | 46 min |
| Apr 25, 2:37 PM EDT | Tornado Warning | PBZ | 23 min |
| Apr 25, 2:47 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 25, 6:00 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Apr 25, 6:25 PM EDT | Special Weather Statement | PBZ | 35 min |
| Apr 26, 1:18 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Apr 26, 1:49 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 26, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Apr 27, 10:09 AM EDT | Flash Flood Watch | PBZ | 18 hr |
| Apr 27, 1:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 27, 3:10 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 27, 3:18 PM EDT | Special Weather Statement | PBZ | 57 min |
| Apr 27, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | 65 min |
| Apr 27, 4:06 PM EDT | Special Weather Statement | PBZ | 54 min |
| Apr 27, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Apr 27, 4:32 PM EDT | Severe Thunderstorm Warning | PBZ | 58 min |
| Apr 28, 5:22 AM EDT | Wind Advisory | PBZ | 6 hr |
| May 12, 7:59 PM EDT | Special Weather Statement | PBZ | 61 min |
| May 12, 8:42 PM EDT | Areal Flood Warning | PBZ | 3 hr |
| May 13, 7:37 AM EDT | Special Weather Statement | PBZ | 53 min |
| May 13, 3:52 PM EDT | Flood Watch | PBZ | 6 hr |
| May 13, 4:04 PM EDT | Special Weather Statement | PBZ | 56 min |
| May 14, 4:10 AM EDT | Flash Flood Watch | PBZ | 20 hr |
| May 14, 9:05 PM EDT | Special Weather Statement | PBZ | 40 min |
| May 14, 9:35 PM EDT | Special Weather Statement | PBZ | 55 min |
| May 15, 8:42 AM EDT | Special Weather Statement | PBZ | 3 hr |
| May 15, 10:28 AM EDT | Areal Flood Warning | PBZ | 6 hr |
| May 15, 6:28 PM EDT | Special Weather Statement | PBZ | 47 min |
| May 15, 7:19 PM EDT | Special Weather Statement | PBZ | 41 min |
| May 15, 7:34 PM EDT | Special Weather Statement | PBZ | 71 min |
| May 18, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 18, 3:08 PM EDT | Mesoscale Discussion | SPC | 67 min |
| May 23, 10:33 AM EDT | Mesoscale Discussion | SPC | 87 min |
| May 23, 8:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| May 24, 12:10 AM EDT | Special Weather Statement | PBZ | 35 min |
| May 25, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | 63 min |
| May 26, 4:53 PM EDT | Severe Thunderstorm Warning | PBZ | 52 min |
| May 26, 5:25 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| May 26, 5:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 26, 6:06 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 29, 6:17 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 29, 9:09 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| May 29, 9:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 4, 1:43 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Jun 4, 2:22 PM EDT | Special Weather Statement | PBZ | 53 min |
| Jun 7, 7:49 AM EDT | Severe Thunderstorm Warning | PBZ | 56 min |
| Jun 7, 8:52 AM EDT | Special Weather Statement | PBZ | 53 min |
| Jun 9, 3:56 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 9, 10:36 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 9, 11:33 AM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 9, 12:53 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 2:30 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jun 10, 2:52 PM EDT | Special Weather Statement | PBZ | 53 min |
| Jun 16, 6:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 23, 12:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 23, 12:57 PM EDT | Special Weather Statement | PBZ | 63 min |
| Jun 23, 3:21 PM EDT | Special Weather Statement | PBZ | 54 min |
| Jun 23, 3:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | 64 min |
| Jun 23, 4:54 PM EDT | Special Weather Statement | PBZ | 66 min |
| Jun 28, 1:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 2, 9:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 7, 1:32 AM EDT | Special Weather Statement | PBZ | 43 min |
| Jul 11, 3:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 11, 5:14 PM EDT | Severe Thunderstorm Warning | PBZ | 61 min |
| Jul 18, 1:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 18, 2:08 PM EDT | Special Weather Statement | PBZ | 37 min |
| Jul 20, 11:32 AM EDT | Excessive Heat Warning | PBZ | 30 hr |
| Jul 21, 3:34 PM EDT | Heat Advisory | PBZ | 26 hr |
| Jul 22, 5:19 PM EDT | Severe Thunderstorm Warning | PBZ | 41 min |
| Jul 22, 5:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jul 22, 5:37 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 22, 5:48 PM EDT | Severe Thunderstorm Warning | PBZ | 42 min |
| Jul 22, 6:15 PM EDT | Areal Flood Warning | PBZ | 4 hr |
| Jul 22, 8:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 25, 11:37 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 25, 2:58 PM EDT | Special Weather Statement | PBZ | 47 min |
| Jul 25, 3:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 25, 3:48 PM EDT | Special Weather Statement | PBZ | 42 min |
| Jul 25, 4:58 PM EDT | Special Weather Statement | PBZ | 32 min |
| Jul 28, 4:03 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Jul 28, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | 44 min |
| Jul 28, 6:16 PM EDT | Severe Thunderstorm Warning | PBZ | 59 min |
| Jul 28, 7:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 28, 7:10 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jul 28, 8:47 PM EDT | Special Weather Statement | PBZ | 58 min |
| Jul 28, 11:01 PM EDT | Special Weather Statement | PBZ | 29 min |
| Jul 29, 2:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 1, 3:11 PM EDT | Special Weather Statement | PBZ | 49 min |
| Aug 1, 3:20 PM EDT | Severe Thunderstorm Warning | PBZ | 40 min |
| Aug 1, 4:12 PM EDT | Special Weather Statement | PBZ | 33 min |
| Aug 6, 6:48 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Aug 8, 3:28 PM EDT | Special Weather Statement | PBZ | 47 min |
| Aug 14, 4:58 PM EDT | Special Weather Statement | PBZ | 47 min |
| Aug 19, 4:53 PM EDT | Special Weather Statement | PBZ | 37 min |
| Aug 19, 5:00 PM EDT | Special Weather Statement | PBZ | 60 min |
| Aug 21, 12:42 PM EDT | Special Weather Statement | PBZ | 48 min |
| Aug 21, 2:28 PM EDT | Severe Thunderstorm Warning | PBZ | 33 min |
| Aug 24, 11:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 25, 12:42 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 25, 2:31 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 25, 2:33 AM EDT | Special Weather Statement | PBZ | 57 min |
| Aug 25, 5:00 AM EDT | Special Weather Statement | PBZ | 60 min |
| Sep 4, 9:21 AM EDT | Special Weather Statement | PBZ | 39 min |
| Sep 9, 8:23 PM EDT | Special Weather Statement | PBZ | 52 min |
| Sep 9, 8:33 PM EDT | Flash Flood Watch | PBZ | 7 hr |
| Sep 9, 9:25 PM EDT | Special Weather Statement | PBZ | 50 min |
| Sep 10, 10:48 AM EDT | Areal Flood Warning | PBZ | 4 hr |
| Sep 13, 10:05 PM EDT | Severe Thunderstorm Warning | PBZ | 25 min |
| Sep 13, 11:01 PM EDT | Special Weather Statement | PBZ | 59 min |
| Sep 23, 9:57 PM EDT | Dense Fog Advisory | PBZ | 11 hr |
| Oct 22, 4:12 AM EDT | Frost Advisory | PBZ | 29 hr |
| Oct 28, 6:48 AM EDT | Dense Fog Advisory | PBZ | 2 hr |
| Oct 29, 11:43 PM EDT | Dense Fog Advisory | PBZ | 11 hr |
| Nov 14, 6:03 PM EST | Mesoscale Discussion | SPC | 117 min |
| Nov 14, 8:41 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 14, 9:10 PM EST | Special Weather Statement | PBZ | 65 min |
| Dec 15, 4:51 PM EST | Special Weather Statement | PBZ | 69 min |
| Dec 27, 4:21 AM EST | Winter Weather Advisory | PBZ | 24 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 | 27 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 34 |
| Special Weather Statement | 53 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Watch | 4 |
| Flood Watch | 5 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 11 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 1 |
| Cold | |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.