Alert archive / Pennsylvania / 2012
Weather alerts in Pennsylvania, March 2012
137 weather alerts in March 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in March 2012. Tap one for its archive.
- Alerts
- 137
- Warnings
- 19
- Watches
- 10
- Advisories
- 19
- Busiest day
- March 28, 201227 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 7:21 PM EST | Special Weather Statement | PBZ | Mercer | 54 min |
| Feb 29, 7:30 PM EST | Mesoscale Discussion | SPC | Beaver, Greene, Lawrence, Mercer, Washington | 30 min |
| Feb 29, 7:45 PM EST | Special Weather Statement | PHI | Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia | 2 hr |
| Feb 29, 7:54 PM EST | Special Weather Statement | PBZ | Forest, Mercer, Venango | 51 min |
| Feb 29, 8:00 PM EST | Special Weather Statement | CTP | Bedford, Fulton | 60 min |
| Feb 29, 8:42 PM EST | Special Weather Statement | PBZ | Forest, Mercer, Venango | 48 min |
| Feb 29, 9:46 PM EST | Special Weather Statement | CTP | McKean | 44 min |
| Feb 29, 10:02 PM EST | Special Weather Statement | PBZ | Clarion, Mercer, Venango | 58 min |
| Feb 29, 10:35 PM EST | Special Weather Statement | PBZ | Beaver | 40 min |
| Feb 29, 10:54 PM EST | Special Weather Statement | PBZ | Clarion, Forest, Jefferson, Venango | 66 min |
| Feb 29, 11:14 PM EST | Special Weather Statement | PBZ | Butler | 31 min |
| Mar 1, 12:18 AM EST | Special Weather Statement | BGM | Bradford, Susquehanna, Wyoming | 57 min |
| Mar 1, 12:25 AM EST | Special Weather Statement | PBZ | Armstrong | 35 min |
| Mar 1, 2:24 AM EST | Dense Fog Advisory | CTP | Adams, Bedford, Blair, Cumberland, Franklin, Fulton and 3 more | 6 hr |
| Mar 1, 7:29 AM EST | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 15 hr |
| Mar 1, 7:29 AM EST | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 15 hr |
| Mar 2, 4:15 AM EST | High Wind Watch | CLE | Crawford, Erie | 11 hr |
| Mar 2, 4:15 AM EST | Wind Advisory | CLE | Crawford, Erie | 32 hr |
| Mar 2, 10:19 AM EST | Flash Flood Watch | PBZ | Fayette, Greene, Westmoreland | 11 hr |
| Mar 2, 2:17 PM EST | Wind Advisory | CTP | Cambria, Cameron, Clearfield, Elk, McKean, Potter and 2 more | 29 hr |
| Mar 2, 3:10 PM EST | High Wind Warning | CLE | Crawford, Erie | 12 hr |
| Mar 2, 5:59 PM EST | Wind Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 19 hr |
| Mar 2, 7:48 PM EST | Special Weather Statement | CTP | Cambria | 42 min |
| Mar 2, 7:52 PM EST | Special Weather Statement | PBZ | Westmoreland | 23 min |
| Mar 3, 3:41 AM EST | Wind Advisory | PBZ | Fayette, Westmoreland | 9 hr |
| Mar 3, 6:12 AM EST | Dense Fog Advisory | PHI | Delaware, Philadelphia | 3 hr |
| Mar 3, 4:15 PM EST | Wind Advisory | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 2 hr |
| Mar 4, 8:32 AM EST | Special Weather Statement | PBZ | Venango | 73 min |
| Mar 4, 9:25 AM EST | Special Weather Statement | PBZ | Fayette, Greene | 65 min |
| Mar 4, 9:35 AM EST | Special Weather Statement | PBZ | Mercer, Venango | 70 min |
| Mar 4, 10:35 AM EST | Special Weather Statement | CTP | Potter, Tioga | 55 min |
| Mar 4, 10:41 AM EST | Special Weather Statement | PBZ | Fayette, Greene | 64 min |
| Mar 4, 10:46 AM EST | Special Weather Statement | PBZ | Mercer | 59 min |
| Mar 4, 11:42 AM EST | Special Weather Statement | PBZ | Washington | 63 min |
| Mar 4, 11:48 AM EST | Special Weather Statement | PBZ | Mercer | 72 min |
| Mar 4, 11:55 AM EST | Special Weather Statement | PBZ | Clarion, Jefferson | 65 min |
| Mar 4, 12:52 PM EST | Special Weather Statement | CTP | Clearfield, Clinton | 68 min |
| Mar 4, 1:01 PM EST | Special Weather Statement | PBZ | Armstrong, Butler, Lawrence | 59 min |
| Mar 4, 1:22 PM EST | Special Weather Statement | PBZ | Washington | 53 min |
| Mar 4, 1:56 PM EST | Special Weather Statement | PBZ | Armstrong, Indiana | 64 min |
| Mar 4, 2:09 PM EST | Special Weather Statement | CTP | Centre, Clearfield, Clinton | 51 min |
| Mar 4, 2:12 PM EST | Special Weather Statement | PBZ | Washington, Westmoreland | 63 min |
| Mar 4, 3:35 PM EST | Special Weather Statement | CTP | Centre | 55 min |
| Mar 4, 3:39 PM EST | Special Weather Statement | CTP | Blair, Huntingdon | 66 min |
| Mar 4, 4:33 PM EST | Special Weather Statement | CTP | Union | 27 min |
| Mar 4, 4:46 PM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Lawrence, Washington, Westmoreland | 74 min |
| Mar 4, 5:12 PM EST | Special Weather Statement | CTP | Snyder | 18 min |
| Mar 4, 5:18 PM EST | Special Weather Statement | CTP | Blair, Cambria, Huntingdon, Mifflin | 27 min |
| Mar 4, 6:00 PM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Fayette, Indiana, Lawrence and 2 more | 90 min |
| Mar 4, 6:10 PM EST | Special Weather Statement | CTP | Cumberland, Perry | 65 min |
| Mar 4, 7:04 PM EST | Winter Weather Advisory | CTP | Somerset | 15 hr |
| Mar 4, 7:10 PM EST | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 9 hr |
| Mar 4, 7:29 PM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Fayette, Washington, Westmoreland | 31 min |
| Mar 4, 7:59 PM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Fayette, Washington, Westmoreland | 46 min |
| Mar 4, 8:28 PM EST | Special Weather Statement | PBZ | Washington, Westmoreland | 92 min |
| Mar 4, 9:52 PM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Lawrence, Westmoreland | 83 min |
| Mar 5, 5:47 AM EST | Special Weather Statement | PBZ | Allegheny | 118 min |
| Mar 5, 7:34 AM EST | Special Weather Statement | PBZ | Allegheny, Armstrong, Beaver, Butler, Indiana, Westmoreland | 56 min |
| Mar 5, 8:37 AM EST | Special Weather Statement | PBZ | Allegheny, Armstrong, Beaver, Indiana, Westmoreland | 53 min |
| Mar 5, 9:49 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Indiana, Westmoreland | 56 min |
| Mar 5, 11:39 AM EST | Special Weather Statement | PBZ | Greene | 51 min |
| Mar 6, 2:37 PM EST | Fire Weather Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 13 hr |
| Mar 6, 4:00 PM EST | Fire Weather Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 12 hr |
| Mar 7, 3:31 AM EST | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 12 hr |
| Mar 7, 4:27 AM EST | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 15 hr |
| Mar 8, 3:30 AM EST | Wind Advisory | CLE | Crawford, Erie | 12 hr |
| Mar 8, 7:50 PM EST | Special Weather Statement | CTP | Cambria, Clearfield, Tioga | 40 min |
| Mar 8, 9:05 PM EST | Special Weather Statement | CTP | Bedford, Huntingdon, Juniata, Lycoming, Mifflin, Snyder and 2 more | 40 min |
| Mar 8, 11:18 PM EST | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 57 min |
| Mar 9, 12:01 AM EST | Special Weather Statement | PHI | Bucks, Chester, Delaware, Lehigh, Montgomery, Northampton and 1 more | 59 min |
| Mar 9, 12:58 AM EST | Special Weather Statement | PHI | Bucks, Delaware, Montgomery, Philadelphia | 62 min |
| Mar 15, 8:38 PM EDT | Special Weather Statement | PBZ | Mercer, Venango | 67 min |
| Mar 15, 10:24 PM EDT | Special Weather Statement | PBZ | Allegheny, Butler, Clarion, Forest, Venango, Washington | 66 min |
| Mar 15, 11:28 PM EDT | Special Weather Statement | PBZ | Allegheny, Armstrong, Clarion, Greene, Jefferson, Washington | 62 min |
| Mar 16, 12:30 AM EDT | Special Weather Statement | PBZ | Allegheny, Armstrong, Clarion, Forest, Westmoreland | 60 min |
| Mar 17, 3:23 AM EDT | Dense Fog Advisory | CLE | Crawford, Erie | 6 hr |
| Mar 18, 6:23 AM EDT | Flood Watch | CLE | Crawford, Erie | 15 hr |
| Mar 18, 3:55 PM EDT | Special Weather Statement | CTP | McKean | 50 min |
| Mar 18, 6:54 PM EDT | Special Weather Statement | CTP | Potter | 51 min |
| Mar 19, 2:53 PM EDT | Special Weather Statement | BGM | Lackawanna, Luzerne, Pike, Wayne, Wyoming | 37 min |
| Mar 19, 3:47 PM EDT | Special Weather Statement | BGM | Lackawanna, Pike, Wyoming | 58 min |
| Mar 19, 6:07 PM EDT | Areal Flood Advisory | CTP | McKean, Potter | 3 hr |
| Mar 20, 2:02 AM EDT | Dense Fog Advisory | PHI | Delaware, Philadelphia | 8 hr |
| Mar 20, 8:06 AM EDT | Special Weather Statement | CTP | Elk, McKean, Potter, Tioga | 24 min |
| Mar 21, 8:02 PM EDT | Dense Fog Advisory | PHI | Delaware, Philadelphia | 14 hr |
| Mar 22, 11:00 PM EDT | Dense Fog Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, York | 10 hr |
| Mar 23, 4:22 AM EDT | Dense Fog Advisory | PHI | Berks, Lehigh, Northampton | 5 hr |
| Mar 23, 7:32 PM EDT | Special Weather Statement | PBZ | Fayette | 28 min |
| Mar 25, 4:05 AM EDT | Freeze Watch | CLE | Crawford, Erie | 31 hr |
| Mar 25, 4:05 AM EDT | Freeze Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 24 hr |
| Mar 25, 3:28 PM EDT | Freeze Watch | PHI | Berks, Delaware, Lehigh, Northampton, Philadelphia | 12 hr |
| Mar 25, 10:16 PM EDT | Freeze Watch | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 5 more | 6 hr |
| Mar 26, 3:39 AM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 30 hr |
| Mar 26, 3:46 AM EDT | Freeze Warning | PHI | Berks, Delaware, Lehigh, Northampton, Philadelphia | 29 hr |
| Mar 26, 3:58 AM EDT | Freeze Warning | CLE | Crawford, Erie | 30 hr |
| Mar 26, 4:30 AM EDT | Freeze Warning | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 5 more | 29 hr |
| Mar 28, 7:52 AM EDT | Special Weather Statement | PBZ | Forest, Venango | 38 min |
| Mar 28, 8:16 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 44 min |
| Mar 28, 8:23 AM EDT | Special Weather Statement | CTP | Potter | 37 min |
| Mar 28, 8:28 AM EDT | Special Weather Statement | PBZ | Armstrong | 47 min |
| Mar 28, 8:29 AM EDT | Special Weather Statement | CTP | Centre, Clearfield | 46 min |
| Mar 28, 8:48 AM EDT | Special Weather Statement | CTP | Clearfield | 42 min |
| Mar 28, 9:16 AM EDT | Special Weather Statement | PBZ | Armstrong, Indiana, Westmoreland | 44 min |
| Mar 28, 9:17 AM EDT | Special Weather Statement | PBZ | Beaver | 28 min |
| Mar 28, 9:36 AM EDT | Special Weather Statement | CTP | Cameron, Elk | 39 min |
| Mar 28, 9:38 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 37 min |
| Mar 28, 9:49 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Indiana, Westmoreland | 41 min |
| Mar 28, 9:50 AM EDT | Special Weather Statement | CTP | Clinton | 40 min |
| Mar 28, 10:15 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Westmoreland | 45 min |
| Mar 28, 10:16 AM EDT | Special Weather Statement | CTP | Centre, Mifflin | 44 min |
| Mar 28, 10:23 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Bedford, Blair, Cambria, Fayette and 8 more | 2 hr |
| Mar 28, 10:40 AM EDT | Special Weather Statement | CTP | Bedford, Blair, Cambria, Huntingdon | 50 min |
| Mar 28, 10:48 AM EDT | Special Weather Statement | PBZ | Washington | 27 min |
| Mar 28, 11:08 AM EDT | Special Weather Statement | PBZ | Westmoreland | 37 min |
| Mar 28, 11:23 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 52 min |
| Mar 28, 11:29 AM EDT | Special Weather Statement | CTP | Bedford, Franklin | 46 min |
| Mar 28, 12:08 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 22 min |
| Mar 28, 12:14 PM EDT | Special Weather Statement | PBZ | Greene | 31 min |
| Mar 28, 12:20 PM EDT | Special Weather Statement | CTP | Bedford, Somerset | 25 min |
| Mar 28, 12:24 PM EDT | Special Weather Statement | CTP | Adams | 51 min |
| Mar 28, 12:33 PM EDT | Special Weather Statement | PBZ | Fayette | 27 min |
| Mar 28, 1:03 PM EDT | Special Weather Statement | CTP | Somerset | 27 min |
| Mar 28, 3:08 PM EDT | Wind Advisory | CLE | Crawford, Erie | 5 hr |
| Mar 29, 3:29 AM EDT | Freeze Warning | PHI | Berks, Lehigh, Northampton | 30 hr |
| Mar 29, 3:44 AM EDT | Frost Advisory | CLE | Erie | 24 hr |
| Mar 29, 3:44 AM EDT | Freeze Warning | CLE | Crawford, Erie | 29 hr |
| Mar 29, 3:55 AM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 30 hr |
| Mar 29, 5:34 AM EDT | Freeze Watch | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 5 more | 9 hr |
| Mar 29, 2:17 PM EDT | Freeze Warning | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 5 more | 19 hr |
| Mar 30, 5:34 PM EDT | Special Weather Statement | PBZ | Indiana | 26 min |
| Mar 30, 9:12 PM EDT | Special Weather Statement | PBZ | Washington | 48 min |
| Mar 30, 10:04 PM EDT | Special Weather Statement | PBZ | Fayette | 41 min |
| Mar 30, 10:30 PM EDT | Special Weather Statement | PBZ | Greene | 60 min |
| Mar 30, 10:45 PM EDT | Special Weather Statement | PBZ | Fayette | 60 min |
| Mar 30, 11:05 PM EDT | Special Weather Statement | CTP | Somerset | 25 min |
| Mar 30, 11:39 PM EDT | Special Weather Statement | CTP | Somerset | 51 min |
| Mar 31, 3:08 PM EDT | Frost Advisory | CLE | Crawford, Erie | 18 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 | 6 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 87 |
| Flooding | |
| River Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 8 |
| Freeze Watch | 5 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County29
- Washington County22
- Allegheny County22
- Fayette County20
- Beaver County17
- Armstrong County15
- Venango County14
- Mercer County13
- Greene County12
- Erie County12
- Delaware County11
- Philadelphia County11
- Forest County11
- Bedford County11
- Clarion County11
- Crawford County11
- Somerset County11
- Butler County10
- Indiana County10
- Lawrence County9
- Berks County9
- Lehigh County9
- Northampton County9
- Jefferson County8
- Fulton County7
- Adams County7
- Cumberland County7
- Franklin County7
- Huntingdon County6
- Lancaster County6
- York County6
- Cambria County6
- Clearfield County6
- Potter County6
- McKean County5
- Wyoming County5
- Blair County5
- Perry County5
- Dauphin County5
- Lebanon County5
23 more counties
- Carbon County4
- Monroe County4
- Centre County4
- Lackawanna County4
- Pike County4
- Bucks County3
- Montgomery County3
- Bradford County3
- Susquehanna County3
- Elk County3
- Tioga County3
- Clinton County3
- Mifflin County3
- Luzerne County3
- Wayne County3
- Chester County2
- Cameron County2
- Union County2
- Snyder County2
- Warren County1
- Juniata County1
- Lycoming County1
- Sullivan County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.