Alert archive / Pennsylvania / 2021
Weather alerts in Pennsylvania, February 2021
101 weather alerts in February 2021, 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 February 2021. Tap one for its archive.
- Alerts
- 101
- Warnings
- 19
- Watches
- 16
- Advisories
- 37
- Busiest day
- February 2, 20219 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 1, 7:13 AM EST | Mesoscale Discussion | SPC | Carbon, Lehigh, Monroe, Northampton, Pike | 6 hr |
| Feb 1, 1:43 PM EST | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Lehigh, Montgomery, Northampton and 1 more | 6 hr |
| Feb 1, 7:27 PM EST | Mesoscale Discussion | SPC | Pike | 6 hr |
| Feb 2, 2:22 AM EST | Special Weather Statement | BGM | Bradford | 53 min |
| Feb 2, 3:47 AM EST | Special Weather Statement | CTP | Clearfield | 58 min |
| Feb 2, 5:06 AM EST | Winter Weather Advisory | CTP | Dauphin, Lancaster, Lebanon, Lycoming, Schuylkill, Sullivan and 2 more | 6 hr |
| Feb 2, 6:34 AM EST | Special Weather Statement | BGM | Bradford | 56 min |
| Feb 2, 8:33 AM EST | Special Weather Statement | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 117 min |
| Feb 2, 10:00 AM EST | Special Weather Statement | BGM | Lackawanna, Wayne | 75 min |
| Feb 2, 6:45 PM EST | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 9 hr |
| Feb 2, 6:57 PM EST | Winter Weather Advisory | CTP | Cambria, Somerset | 12 hr |
| Feb 4, 10:13 PM EST | Special Weather Statement | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Indiana and 4 more | 62 min |
| Feb 5, 3:09 PM EST | Winter Storm Watch | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 12 hr |
| Feb 6, 3:14 AM EST | Winter Storm Watch | CTP | Adams, Lancaster, York | 11 hr |
| Feb 6, 3:14 AM EST | Winter Weather Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Lancaster and 4 more | 33 hr |
| Feb 6, 3:23 AM EST | Winter Storm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 36 hr |
| Feb 6, 3:23 AM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more | 36 hr |
| Feb 6, 2:43 PM EST | Winter Weather Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 24 hr |
| Feb 8, 1:45 PM EST | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 4 more | 21 hr |
| Feb 8, 1:58 PM EST | Winter Weather Advisory | CTP | Cambria, Centre, Clearfield, Clinton, Columbia, Lycoming and 6 more | 22 hr |
| Feb 8, 2:06 PM EST | Winter Weather Advisory | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 25 hr |
| Feb 8, 3:00 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Northampton | 24 hr |
| Feb 9, 6:46 AM EST | Special Weather Statement | PBZ | Fayette, Greene, Washington | 119 min |
| Feb 10, 3:31 AM EST | Winter Weather Advisory | PBZ | Fayette, Greene, Westmoreland | 29 hr |
| Feb 10, 3:47 AM EST | Winter Weather Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 32 hr |
| Feb 10, 4:33 AM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 16 more | 28 hr |
| Feb 11, 6:23 AM EST | Special Weather Statement | PBZ | Allegheny, Washington | 112 min |
| Feb 12, 3:21 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 43 hr |
| Feb 13, 8:11 AM EST | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more | 24 hr |
| Feb 13, 10:02 AM EST | Mesoscale Discussion | SPC | Delaware, Philadelphia | 6 hr |
| Feb 13, 1:55 PM EST | Winter Storm Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 24 hr |
| Feb 13, 2:53 PM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 23 more | 17 hr |
| Feb 13, 3:07 PM EST | Winter Storm Watch | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 25 hr |
| Feb 13, 3:50 PM EST | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 35 hr |
| Feb 13, 4:24 PM EST | Winter Storm Watch | CLE | Crawford, Erie | 12 hr |
| Feb 14, 4:07 AM EST | Winter Storm Warning | CLE | Crawford, Erie | 54 hr |
| Feb 14, 1:49 PM EST | Winter Storm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 7 more | 40 hr |
| Feb 14, 1:49 PM EST | Winter Weather Advisory | PBZ | Fayette | 40 hr |
| Feb 14, 3:15 PM EST | Ice Storm Warning | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 41 hr |
| Feb 14, 3:15 PM EST | Winter Weather Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 39 hr |
| Feb 14, 3:46 PM EST | Winter Storm Watch | CTP | Bedford, Cumberland, Dauphin, Franklin, Fulton, Lebanon and 3 more | 13 hr |
| Feb 14, 3:46 PM EST | Winter Storm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 38 hr |
| Feb 14, 3:46 PM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 23 more | 38 hr |
| Feb 14, 4:15 PM EST | Winter Storm Warning | BGM | Bradford | 36 hr |
| Feb 15, 2:55 AM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 30 hr |
| Feb 15, 2:44 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 18 more | 6 hr |
| Feb 15, 3:23 PM EST | Ice Storm Warning | BGM | Lackawanna, Luzerne, Pike, Wayne | 17 hr |
| Feb 15, 3:28 PM EST | Ice Storm Warning | CTP | Blair, Cambria, Centre, Clinton, Columbia, Huntingdon and 9 more | 15 hr |
| Feb 15, 8:06 PM EST | Mesoscale Discussion | SPC | Erie, Warren | 5 hr |
| Feb 15, 9:16 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 34 more | 5 hr |
| Feb 16, 11:55 AM EST | Winter Storm Watch | PBZ | Fayette, Westmoreland | 25 hr |
| Feb 16, 3:14 PM EST | Winter Storm Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 24 hr |
| Feb 16, 3:22 PM EST | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 24 hr |
| Feb 16, 3:35 PM EST | Winter Storm Watch | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 22 more | 23 hr |
| Feb 16, 6:18 PM EST | Winter Weather Advisory | CLE | Erie | 7 hr |
| Feb 17, 1:21 PM EST | Winter Weather Advisory | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 36 hr |
| Feb 17, 2:39 PM EST | Winter Storm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Lancaster and 4 more | 22 hr |
| Feb 17, 2:39 PM EST | Winter Weather Advisory | CTP | Bedford, Blair, Cambria, Centre, Clearfield, Clinton and 12 more | 22 hr |
| Feb 17, 3:12 PM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 45 hr |
| Feb 17, 3:43 PM EST | Winter Storm Warning | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 24 hr |
| Feb 17, 3:43 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 47 hr |
| Feb 18, 5:46 AM EST | Special Weather Statement | PHI | Chester, Montgomery | 89 min |
| Feb 18, 7:01 AM EST | Special Weather Statement | PBZ | Fayette | 89 min |
| Feb 18, 7:24 AM EST | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 51 min |
| Feb 18, 7:55 AM EST | Special Weather Statement | PBZ | Fayette | 65 min |
| Feb 18, 8:24 AM EST | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 66 min |
| Feb 18, 9:47 AM EST | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lehigh and 4 more | 4 hr |
| Feb 18, 10:43 AM EST | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 62 min |
| Feb 18, 12:06 PM EST | Special Weather Statement | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 54 min |
| Feb 18, 12:25 PM EST | Winter Weather Advisory | CTP | Adams, Centre, Clinton, Columbia, Cumberland, Dauphin and 17 more | 22 hr |
| Feb 19, 10:37 AM EST | Special Weather Statement | CTP | Lancaster | 83 min |
| Feb 19, 11:48 AM EST | Winter Weather Advisory | BGM | Pike, Wayne | 3 hr |
| Feb 20, 5:27 PM EST | Snow Squall Warning | BGM | Bradford, Susquehanna | 48 min |
| Feb 20, 6:17 PM EST | Special Weather Statement | BGM | Susquehanna | 58 min |
| Feb 20, 7:15 PM EST | Special Weather Statement | PHI | Carbon, Monroe | 45 min |
| Feb 21, 2:29 PM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 23 hr |
| Feb 21, 2:47 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 26 hr |
| Feb 21, 3:25 PM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 31 hr |
| Feb 21, 3:30 PM EST | Winter Weather Advisory | PBZ | Fayette, Forest, Jefferson, Westmoreland | 20 hr |
| Feb 22, 6:09 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Clarion, Washington | 51 min |
| Feb 22, 7:04 AM EST | Special Weather Statement | PBZ | Allegheny, Armstrong, Fayette, Greene, Indiana, Washington and 1 more | 86 min |
| Feb 22, 7:48 AM EST | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 24 more | 4 hr |
| Feb 22, 8:15 AM EST | Snow Squall Warning | CTP | Columbia, Cumberland, Dauphin, Lancaster, Lebanon, Lycoming and 9 more | 90 min |
| Feb 22, 8:28 AM EST | Snow Squall Warning | CTP | Adams, Lancaster, York | 47 min |
| Feb 26, 11:25 AM EST | River Flood Watch | PBZ | Fayette, Greene | 3 days |
| Feb 26, 11:25 AM EST | River Flood Watch | PBZ | Fayette, Washington, Westmoreland | 3 days |
| Feb 26, 11:25 AM EST | River Flood Watch | PBZ | Allegheny, Washington | 4 days |
| Feb 26, 9:48 PM EST | Winter Weather Advisory | PHI | Carbon, Monroe | 11 hr |
| Feb 27, 3:56 AM EST | Flood Watch | PBZ | Fayette | 48 hr |
| Feb 27, 11:00 AM EST | River Flood Warning | PBZ | Fayette, Greene | 61 hr |
| Feb 27, 11:00 AM EST | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 3 days |
| Feb 27, 11:00 AM EST | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 3 days |
| Feb 27, 11:09 AM EST | River Flood Advisory | PBZ | Allegheny | 4 days |
| Feb 27, 2:29 PM EST | Flood Watch | CTP | Bedford, Somerset | 39 hr |
| Feb 28, 11:10 AM EST | River Flood Warning | PBZ | Fayette, Greene | 38 hr |
| Feb 28, 11:13 AM EST | River Flood Warning | PBZ | Fayette | 45 hr |
| Feb 28, 2:46 PM EST | Areal Flood Advisory | CTP | Bedford, Somerset | 17 hr |
| Feb 28, 3:14 PM EST | Areal Flood Warning | CTP | Somerset | 6 hr |
| Feb 28, 3:14 PM EST | Wind Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 42 hr |
| Feb 28, 3:19 PM EST | Wind Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 43 hr |
| Feb 28, 5:20 PM EST | Areal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 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 | |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 20 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 5 |
| Flood Watch | 2 |
| River Flood Watch | 3 |
| Areal Flood Advisory | 2 |
| River Flood Advisory | 1 |
| Winter | |
| Ice Storm Warning | 3 |
| Snow Squall Warning | 3 |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 11 |
| Winter Weather Advisory | 32 |
| Wind and dust | |
| Wind Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fayette County22
- Bucks County21
- Montgomery County20
- Chester County19
- Delaware County18
- Philadelphia County18
- Westmoreland County16
- Lehigh County15
- Pike County15
- Lancaster County15
- Schuylkill County15
- Carbon County14
- Monroe County14
- Northampton County14
- Lycoming County14
- York County14
- Washington County14
- Dauphin County13
- Sullivan County13
- Lackawanna County13
- Wayne County13
- Somerset County13
- Perry County13
- Berks County13
- Allegheny County13
- Centre County13
- Clearfield County12
- Lebanon County12
- Luzerne County12
- Greene County12
- Northumberland County12
- Snyder County12
- Union County12
- Bradford County11
- Susquehanna County11
- Cambria County11
- Adams County11
- Cumberland County11
- Franklin County11
- Clinton County11
27 more counties
- Columbia County11
- Montour County11
- Juniata County11
- Mifflin County11
- Wyoming County10
- Fulton County10
- Bedford County10
- Huntingdon County10
- Tioga County9
- Blair County9
- Armstrong County8
- Butler County8
- Clarion County8
- Jefferson County8
- Beaver County7
- Forest County6
- Cameron County6
- Elk County6
- Indiana County4
- Potter County4
- Warren County4
- Erie County4
- Mercer County3
- Venango County3
- Lawrence County3
- McKean County3
- Crawford County2
Nearby
Alerts in force nowTornadoes on recordThe 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.