Alert archive / Pennsylvania / 2012
Weather alerts in Pennsylvania, April 2012
183 weather alerts in April 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 April 2012. Tap one for its archive.
- Alerts
- 183
- Warnings
- 77
- Watches
- 51
- Advisories
- 29
- Busiest day
- April 21, 201215 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 |
|---|---|---|---|---|
| Apr 1, 2:46 PM EDT | Freeze Watch | BGM | Lackawanna, Luzerne | 14 hr |
| Apr 1, 6:29 PM EDT | Special Weather Statement | PBZ | Greene | 31 min |
| Apr 2, 3:08 AM EDT | Frost Advisory | PHI | 29 hr | |
| Apr 2, 3:08 AM EDT | Freeze Warning | PHI | Berks, Lehigh, Northampton | 29 hr |
| Apr 2, 4:21 AM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 29 hr |
| Apr 2, 1:34 PM EDT | Frost Advisory | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 8 more | 18 hr |
| Apr 2, 1:34 PM EDT | Freeze Warning | CTP | Blair, Cambria, Centre, Clearfield, Clinton, Columbia and 7 more | 18 hr |
| Apr 2, 3:16 PM EDT | Freeze Warning | CLE | Crawford, Erie | 17 hr |
| Apr 2, 3:28 PM EDT | Freeze Warning | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Jefferson and 4 more | 17 hr |
| Apr 3, 4:02 PM EDT | Fire Weather Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 13 hr |
| Apr 4, 3:39 AM EDT | Frost Advisory | PHI | Berks, Lehigh, Northampton | 28 hr |
| Apr 4, 10:37 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 9 hr |
| Apr 4, 11:00 AM EDT | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 9 hr |
| Apr 4, 2:09 PM EDT | Freeze Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 25 hr |
| Apr 4, 2:09 PM EDT | Freeze Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 46 hr |
| Apr 4, 2:09 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 18 hr |
| Apr 4, 3:04 PM EDT | Freeze Warning | CTP | Cambria, Centre, Clearfield, Somerset | 17 hr |
| Apr 4, 3:20 PM EDT | Frost Advisory | CLE | Crawford, Erie | 18 hr |
| Apr 4, 3:20 PM EDT | Freeze Watch | CLE | Crawford, Erie | 13 hr |
| Apr 4, 3:32 PM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 14 hr |
| Apr 5, 4:20 AM EDT | Freeze Warning | CLE | Crawford, Erie | 29 hr |
| Apr 5, 7:51 AM EDT | Freeze Warning | PHI | Berks, Lehigh, Northampton | 24 hr |
| Apr 5, 10:25 AM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 24 hr |
| Apr 5, 2:10 PM EDT | Freeze Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more | 18 hr |
| Apr 5, 3:15 PM EDT | Fire Weather Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 19 hr |
| Apr 5, 3:15 PM EDT | Fire Weather Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 11 hr |
| Apr 5, 3:25 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 18 hr |
| Apr 5, 3:26 PM EDT | Freeze Watch | CLE | Crawford, Erie | 15 hr |
| Apr 5, 4:06 PM EDT | Fire Weather Watch | CTP | Columbia, Dauphin, Lancaster, Lebanon, Lycoming, Montour and 7 more | 12 hr |
| Apr 6, 2:40 AM EDT | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 17 hr |
| Apr 6, 4:08 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 15 hr |
| Apr 6, 4:19 AM EDT | Red Flag Warning | CTP | Columbia, Dauphin, Lancaster, Lebanon, Lycoming, Montour and 7 more | 16 hr |
| Apr 6, 6:24 AM EDT | Freeze Warning | CLE | Crawford, Erie | 26 hr |
| Apr 6, 8:11 AM EDT | Freeze Warning | PHI | Berks, Lehigh, Northampton | 24 hr |
| Apr 6, 10:07 AM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 23 hr |
| Apr 6, 11:01 AM EDT | Red Flag Warning | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 33 hr |
| Apr 6, 11:05 AM EDT | Freeze Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more | 21 hr |
| Apr 6, 11:50 AM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 21 hr |
| Apr 6, 1:41 PM EDT | Fire Weather Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 14 hr |
| Apr 6, 3:10 PM EDT | Fire Weather Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 13 hr |
| Apr 6, 3:58 PM EDT | Red Flag Warning | PBZ | Forest | 28 hr |
| Apr 6, 7:56 PM EDT | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 24 hr |
| Apr 7, 3:17 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 16 hr |
| Apr 7, 3:49 AM EDT | Fire Weather Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 18 hr |
| Apr 7, 3:58 AM EDT | Fire Weather Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 16 hr |
| Apr 7, 2:36 PM EDT | Fire Weather Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 13 hr |
| Apr 7, 2:41 PM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 18 hr |
| Apr 7, 2:41 PM EDT | Freeze Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 16 more | 17 hr |
| Apr 7, 2:57 PM EDT | Freeze Warning | PBZ | Armstrong, Clarion, Fayette, Forest, Jefferson, Venango and 1 more | 18 hr |
| Apr 7, 3:21 PM EDT | Frost Advisory | CLE | Crawford, Erie | 18 hr |
| Apr 7, 8:14 PM EDT | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 24 hr |
| Apr 7, 8:27 PM EDT | Red Flag Warning | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 24 hr |
| Apr 8, 3:27 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 16 hr |
| Apr 8, 4:07 AM EDT | Fire Weather Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 16 hr |
| Apr 8, 4:49 AM EDT | Fire Weather Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 17 hr |
| Apr 8, 3:29 PM EDT | Fire Weather Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 12 hr |
| Apr 8, 8:01 PM EDT | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 24 hr |
| Apr 8, 9:49 PM EDT | Red Flag Warning | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 22 hr |
| Apr 9, 3:47 AM EDT | Wind Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 14 hr |
| Apr 9, 3:54 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 14 hr |
| Apr 9, 4:03 AM EDT | Wind Advisory | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 14 hr |
| Apr 9, 3:12 PM EDT | Fire Weather Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 13 hr |
| Apr 9, 3:51 PM EDT | Fire Weather Watch | CTP | Adams, Bedford, Blair, Cumberland, Dauphin, Franklin and 9 more | 12 hr |
| Apr 9, 5:39 PM EDT | Special Weather Statement | PBZ | Fayette | 36 min |
| Apr 9, 6:11 PM EDT | Special Weather Statement | PBZ | Allegheny, Beaver | 34 min |
| Apr 9, 6:45 PM EDT | Special Weather Statement | PBZ | Allegheny | 30 min |
| Apr 9, 7:13 PM EDT | Special Weather Statement | CTP | Blair, Cambria, Huntingdon | 62 min |
| Apr 9, 8:04 PM EDT | Red Flag Warning | PHI | Berks, Delaware, Lehigh, Northampton, Philadelphia | 24 hr |
| Apr 10, 3:46 AM EDT | Freeze Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 12 hr |
| Apr 10, 4:12 AM EDT | Freeze Watch | CTP | Cambria, Centre, Clearfield, Somerset | 7 hr |
| Apr 10, 4:19 AM EDT | Red Flag Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 15 hr |
| Apr 10, 11:08 AM EDT | Freeze Warning | CTP | Cambria, Centre, Clearfield, Somerset | 22 hr |
| Apr 10, 3:35 PM EDT | Freeze Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 24 hr |
| Apr 10, 3:35 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 17 hr |
| Apr 11, 4:44 AM EDT | Freeze Warning | CLE | Crawford, Erie | 28 hr |
| Apr 11, 4:45 AM EDT | Freeze Watch | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more | 10 hr |
| Apr 11, 2:21 PM EDT | Freeze Watch | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more | 13 hr |
| Apr 11, 2:21 PM EDT | Freeze Warning | CTP | Bedford, Blair, Cambria, Centre, Clearfield, Fulton and 4 more | 18 hr |
| Apr 11, 3:39 PM EDT | Freeze Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 23 hr |
| Apr 11, 3:39 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 17 hr |
| Apr 11, 3:45 PM EDT | Frost Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 12 hr |
| Apr 11, 3:45 PM EDT | Freeze Watch | PHI | Carbon, Lehigh, Monroe, Northampton | 12 hr |
| Apr 12, 3:31 AM EDT | Freeze Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 28 hr |
| Apr 12, 3:47 AM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 29 hr |
| Apr 12, 3:48 AM EDT | Frost Advisory | CTP | Dauphin, Lancaster, Lebanon | 29 hr |
| Apr 12, 3:48 AM EDT | Freeze Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 17 more | 29 hr |
| Apr 12, 4:26 AM EDT | Freeze Watch | CLE | Crawford, Erie | 11 hr |
| Apr 12, 2:31 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 18 hr |
| Apr 12, 3:11 PM EDT | Freeze Warning | CLE | Crawford, Erie | 18 hr |
| Apr 12, 3:40 PM EDT | Frost Advisory | PHI | Berks | 16 hr |
| Apr 16, 3:30 AM EDT | Wind Advisory | CLE | Crawford, Erie | 18 hr |
| Apr 16, 4:06 AM EDT | Wind Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 16 hr |
| Apr 16, 1:33 PM EDT | Mesoscale Discussion | SPC | Armstrong, Cameron, Clarion, Clearfield, Elk, Forest and 6 more | 87 min |
| Apr 16, 3:47 PM EDT | Fire Weather Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 12 hr |
| Apr 16, 4:31 PM EDT | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Washington | 29 min |
| Apr 16, 4:39 PM EDT | Special Weather Statement | PBZ | Clarion, Forest, Lawrence, Mercer, Venango | 51 min |
| Apr 17, 3:26 AM EDT | Frost Advisory | CLE | Crawford, Erie | 18 hr |
| Apr 17, 3:28 AM EDT | Red Flag Warning | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 17 hr |
| Apr 17, 4:02 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 16 hr |
| Apr 17, 4:03 AM EDT | Freeze Watch | BGM | Bradford, Susquehanna, Wayne | 11 hr |
| Apr 17, 5:50 AM EDT | Freeze Watch | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more | 7 hr |
| Apr 17, 1:18 PM EDT | Freeze Warning | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more | 20 hr |
| Apr 17, 2:35 PM EDT | Frost Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 11 hr |
| Apr 17, 2:35 PM EDT | Freeze Warning | BGM | Bradford, Susquehanna, Wayne, Wyoming | 17 hr |
| Apr 18, 2:13 PM EDT | Frost Advisory | BGM | Bradford, Susquehanna | 18 hr |
| Apr 21, 2:23 PM EDT | Special Weather Statement | CTP | Perry | 37 min |
| Apr 21, 2:51 PM EDT | Special Weather Statement | CTP | Franklin | 54 min |
| Apr 21, 2:55 PM EDT | Winter Storm Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more | 24 hr |
| Apr 21, 3:03 PM EDT | Special Weather Statement | CTP | Dauphin | 57 min |
| Apr 21, 3:09 PM EDT | Special Weather Statement | CTP | Cumberland | 66 min |
| Apr 21, 3:15 PM EDT | Flood Watch | PHI | Delaware, Philadelphia | 36 hr |
| Apr 21, 3:32 PM EDT | Special Weather Statement | CTP | Dauphin | 28 min |
| Apr 21, 4:17 PM EDT | Winter Storm Watch | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 10 more | 24 hr |
| Apr 21, 4:46 PM EDT | Special Weather Statement | CTP | Schuylkill | 89 min |
| Apr 21, 5:09 PM EDT | Special Weather Statement | CTP | Schuylkill | 36 min |
| Apr 21, 5:12 PM EDT | Special Weather Statement | CTP | Lebanon | 33 min |
| Apr 21, 5:14 PM EDT | Special Weather Statement | PHI | Berks | 61 min |
| Apr 21, 6:57 PM EDT | Special Weather Statement | CTP | Lancaster | 78 min |
| Apr 21, 7:19 PM EDT | Special Weather Statement | PHI | Chester, Lehigh, Monroe, Montgomery, Northampton | 116 min |
| Apr 21, 7:31 PM EDT | Special Weather Statement | CTP | Lancaster | 74 min |
| Apr 21, 8:41 PM EDT | Special Weather Statement | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Monroe and 3 more | 109 min |
| Apr 21, 8:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 30 min |
| Apr 21, 9:38 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 67 min |
| Apr 22, 3:22 AM EDT | Winter Storm Watch | CLE | Crawford, Erie | 11 hr |
| Apr 22, 3:45 AM EDT | Wind Advisory | PHI | Delaware, Philadelphia | 20 hr |
| Apr 22, 4:14 AM EDT | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 20 hr |
| Apr 22, 2:27 PM EDT | Winter Storm Warning | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Jefferson and 4 more | 35 hr |
| Apr 22, 2:27 PM EDT | Winter Weather Advisory | PBZ | Allegheny, Beaver, Greene, Washington | 21 hr |
| Apr 22, 2:51 PM EDT | Winter Storm Warning | CLE | Crawford, Erie | 37 hr |
| Apr 22, 3:14 PM EDT | Winter Weather Advisory | BGM | Bradford | 20 hr |
| Apr 22, 4:20 PM EDT | Winter Storm Warning | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 6 more | 34 hr |
| Apr 22, 4:20 PM EDT | Winter Weather Advisory | CTP | Bedford, Blair, Centre, Clinton, Fulton, Huntingdon | 22 hr |
| Apr 22, 9:00 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 6 hr |
| Apr 23, 2:49 AM EDT | Areal Flood Advisory | PHI | Chester | 116 min |
| Apr 23, 3:37 PM EDT | Freeze Warning | PHI | Carbon, Monroe | 12 hr |
| Apr 24, 4:00 PM EDT | Freeze Warning | PBZ | Armstrong, Beaver, Butler, Clarion, Fayette, Forest and 5 more | 12 hr |
| Apr 24, 7:00 PM EDT | Frost Advisory | CTP | Adams, Centre, Clinton, Columbia, Franklin, Fulton and 9 more | 13 hr |
| Apr 24, 7:00 PM EDT | Freeze Warning | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 9 more | 13 hr |
| Apr 25, 3:16 AM EDT | Frost Advisory | PHI | Carbon, Monroe, Northampton | 4 hr |
| Apr 25, 3:07 PM EDT | Freeze Watch | PBZ | Fayette, Westmoreland | 24 hr |
| Apr 25, 3:13 PM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne | 18 hr |
| Apr 26, 4:46 AM EDT | Freeze Watch | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 10 hr |
| Apr 26, 2:39 PM EDT | Freeze Warning | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 18 hr |
| Apr 26, 3:08 PM EDT | Freeze Watch | PHI | Carbon, Monroe | 13 hr |
| Apr 26, 3:24 PM EDT | Freeze Warning | PBZ | Fayette, Forest, Westmoreland | 5 hr |
| Apr 26, 3:36 PM EDT | Freeze Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 11 hr |
| Apr 26, 5:06 PM EDT | Special Weather Statement | PBZ | Westmoreland | 24 min |
| Apr 26, 5:28 PM EDT | Special Weather Statement | PBZ | Indiana | 17 min |
| Apr 26, 5:45 PM EDT | Special Weather Statement | PBZ | Westmoreland | 30 min |
| Apr 26, 8:12 PM EDT | Special Weather Statement | CTP | Adams | 48 min |
| Apr 26, 8:39 PM EDT | Special Weather Statement | CTP | Adams | 36 min |
| Apr 27, 2:44 AM EDT | Freeze Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 30 hr |
| Apr 27, 3:24 AM EDT | Freeze Watch | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Jefferson and 4 more | 12 hr |
| Apr 27, 3:38 AM EDT | Freeze Watch | PHI | Berks, Lehigh, Northampton | 12 hr |
| Apr 27, 3:38 AM EDT | Freeze Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 28 hr |
| Apr 27, 4:05 AM EDT | Freeze Watch | CLE | Crawford, Erie | 11 hr |
| Apr 27, 4:26 AM EDT | Freeze Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 5 hr |
| Apr 27, 9:40 AM EDT | Freeze Warning | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 23 hr |
| Apr 27, 3:16 PM EDT | Freeze Warning | CLE | Crawford, Erie | 17 hr |
| Apr 27, 3:18 PM EDT | Frost Advisory | PHI | Delaware | 17 hr |
| Apr 27, 3:25 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more | 16 hr |
| Apr 28, 3:31 AM EDT | Freeze Watch | PBZ | Armstrong, Beaver, Butler, Clarion, Forest, Jefferson and 3 more | 12 hr |
| Apr 28, 3:54 AM EDT | Freeze Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 11 hr |
| Apr 28, 4:04 AM EDT | Freeze Watch | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 17 more | 11 hr |
| Apr 28, 4:09 AM EDT | Freeze Watch | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 11 hr |
| Apr 28, 4:23 AM EDT | Freeze Watch | CLE | Crawford, Erie | 12 hr |
| Apr 28, 2:34 PM EDT | Freeze Warning | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 16 more | 18 hr |
| Apr 28, 2:55 PM EDT | Freeze Warning | BGM | Lackawanna, Luzerne, Pike | 19 hr |
| Apr 28, 2:55 PM EDT | Hard Freeze Warning | BGM | Bradford, Susquehanna, Wayne, Wyoming | 19 hr |
| Apr 28, 3:07 PM EDT | Freeze Warning | PBZ | Clarion, Forest, Jefferson, Mercer, Venango | 17 hr |
| Apr 28, 3:19 PM EDT | Frost Advisory | PHI | Berks, Lehigh, Northampton | 17 hr |
| Apr 28, 3:19 PM EDT | Freeze Warning | PHI | Carbon, Monroe | 17 hr |
| Apr 28, 3:58 PM EDT | Freeze Warning | CLE | Crawford, Erie | 17 hr |
| Apr 29, 3:05 AM EDT | Freeze Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 9 hr |
| Apr 29, 3:17 AM EDT | Red Flag Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 16 hr |
| Apr 29, 3:39 AM EDT | Freeze Watch | CTP | Cameron, Centre, Clearfield, Clinton, Columbia, Elk and 11 more | 6 hr |
| Apr 29, 4:00 AM EDT | Freeze Watch | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 6 hr |
| Apr 29, 4:55 AM EDT | Freeze Watch | CLE | Crawford, Erie | 11 hr |
| Apr 29, 9:43 AM EDT | Frost Advisory | PHI | Delaware | 22 hr |
| Apr 29, 9:43 AM EDT | Freeze Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 22 hr |
| Apr 29, 9:51 AM EDT | Frost Advisory | CTP | Adams, Blair, Cambria, Cumberland, Dauphin, Franklin and 7 more | 23 hr |
| Apr 29, 9:51 AM EDT | Freeze Warning | CTP | Cameron, Centre, Clearfield, Clinton, Columbia, Elk and 11 more | 23 hr |
| Apr 29, 12:00 PM EDT | Hard Freeze Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 21 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 | 2 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 25 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 3 |
| Cold | |
| Freeze Warning | 50 |
| Hard Freeze Warning | 2 |
| Freeze Watch | 32 |
| Frost Advisory | 18 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 20 |
| Fire Weather Watch | 15 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Northampton County30
- Lehigh County29
- Centre County29
- Berks County28
- Clearfield County28
- Lycoming County28
- Lackawanna County27
- Luzerne County27
- Cambria County27
- Clinton County27
- Monroe County26
- Somerset County25
- Forest County25
- Bradford County24
- Carbon County24
- Huntingdon County23
- Blair County23
- Clarion County23
- Venango County23
- Westmoreland County23
- Susquehanna County23
- Wayne County23
- Schuylkill County22
- Fayette County22
- Jefferson County22
- Delaware County22
- Columbia County21
- Montour County21
- Northumberland County21
- Snyder County21
- Union County21
- Armstrong County21
- Mercer County21
- Philadelphia County21
- Tioga County21
- Adams County20
- Dauphin County20
- Juniata County20
- Lancaster County20
- Mifflin County20
27 more counties
- York County20
- Butler County20
- Lawrence County20
- Pike County20
- Wyoming County20
- Bedford County19
- Franklin County19
- Fulton County19
- Lebanon County19
- Crawford County19
- Erie County19
- Beaver County19
- Cameron County19
- Elk County19
- McKean County19
- Potter County19
- Warren County19
- Cumberland County18
- Perry County18
- Allegheny County18
- Sullivan County18
- Washington County14
- Greene County12
- Chester County5
- Montgomery County5
- Bucks County4
- Indiana 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.