Alert archive / Pennsylvania / 2018
Weather alerts in Pennsylvania, March 2018
127 weather alerts in March 2018, 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 2018. Tap one for its archive.
- Alerts
- 127
- Warnings
- 21
- Watches
- 10
- Advisories
- 44
- Busiest day
- March 13, 201820 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 28, 10:37 PM EST | Winter Storm Watch | CLE | Erie | 16 hr |
| Mar 1, 3:26 AM EST | High Wind Watch | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 6 more | 13 hr |
| Mar 1, 3:27 AM EST | Wind Advisory | PBZ | Fayette, Westmoreland | 12 hr |
| Mar 1, 3:32 AM EST | Winter Weather Advisory | PBZ | Fayette, Forest, Mercer, Venango, Westmoreland | 33 hr |
| Mar 1, 4:15 AM EST | Winter Storm Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 45 hr |
| Mar 1, 10:10 AM EST | High Wind Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 5 hr |
| Mar 1, 10:10 AM EST | High Wind Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 28 hr |
| Mar 1, 11:44 AM EST | High Wind Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 40 hr |
| Mar 1, 11:45 AM EST | Wind Advisory | CLE | Crawford, Erie | 16 hr |
| Mar 1, 2:10 PM EST | Winter Storm Warning | CLE | Crawford, Erie | 20 hr |
| Mar 1, 3:30 PM EST | Wind Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 45 hr |
| Mar 1, 3:41 PM EST | Winter Storm Warning | PHI | Carbon, Monroe | 30 hr |
| Mar 1, 3:41 PM EST | Winter Weather Advisory | PHI | Bucks, Lehigh, Montgomery, Northampton | 30 hr |
| Mar 1, 3:48 PM EST | Winter Storm Watch | CTP | Columbia, Schuylkill | 8 hr |
| Mar 1, 3:48 PM EST | Winter Storm Warning | CTP | McKean, Potter, Sullivan, Tioga, Warren | 23 hr |
| Mar 1, 3:48 PM EST | Winter Weather Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Columbia and 4 more | 23 hr |
| Mar 1, 4:03 PM EST | High Wind Warning | CTP | Adams, Bedford, Blair, Cambria, Cumberland, Dauphin and 8 more | 30 hr |
| Mar 1, 4:03 PM EST | Wind Advisory | CTP | Adams, Centre, Clearfield, Clinton, Columbia, Cumberland and 15 more | 33 hr |
| Mar 1, 8:43 PM EST | Mesoscale Discussion | SPC | Crawford, Erie, Forest, McKean, Potter, Venango and 1 more | 6 hr |
| Mar 2, 12:43 AM EST | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 4 hr |
| Mar 2, 1:54 AM EST | Areal Flood Warning | PBZ | Jefferson | 3 hr |
| Mar 2, 2:26 AM EST | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Mar 2, 3:15 AM EST | Mesoscale Discussion | SPC | Lackawanna, Luzerne, Monroe, Pike, Susquehanna, Wayne and 1 more | 6 hr |
| Mar 2, 3:36 AM EST | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 54 min |
| Mar 2, 4:37 AM EST | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 3 hr |
| Mar 2, 6:29 AM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Mar 2, 10:23 AM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Mar 2, 12:42 PM EST | Blizzard Warning | BGM | Pike, Wayne | 12 hr |
| Mar 2, 3:25 PM EST | River Flood Advisory | PBZ | Allegheny | 43 hr |
| Mar 4, 2:57 PM EST | Coastal Flood Advisory | PHI | Bucks | 3 hr |
| Mar 4, 2:57 PM EST | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 23 hr |
| Mar 5, 3:34 AM EST | Winter Storm Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 36 hr |
| Mar 5, 3:53 AM EST | Winter Storm Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 35 hr |
| Mar 5, 2:17 PM EST | Winter Storm Watch | CTP | Columbia, Dauphin, Lancaster, Lebanon, Schuylkill, York | 22 hr |
| Mar 6, 3:34 AM EST | Winter Storm Warning | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 40 hr |
| Mar 6, 3:37 AM EST | Winter Storm Warning | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 41 hr |
| Mar 6, 11:59 AM EST | Winter Storm Warning | CTP | Columbia, Dauphin, Lancaster, Lebanon, Schuylkill, York | 27 hr |
| Mar 6, 2:30 PM EST | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 15 hr |
| Mar 6, 2:30 PM EST | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 37 hr |
| Mar 6, 3:51 PM EST | Winter Weather Advisory | PBZ | Armstrong, Clarion, Forest, Jefferson | 29 hr |
| Mar 6, 4:21 PM EST | Winter Weather Advisory | CTP | Adams, Cambria, Clearfield, Columbia, Cumberland, Elk and 10 more | 22 hr |
| Mar 6, 7:13 PM EST | Winter Weather Advisory | BGM | Bradford | 11 hr |
| Mar 7, 6:37 AM EST | Winter Weather Advisory | BGM | Susquehanna, Wyoming | 12 hr |
| Mar 7, 6:45 AM EST | Special Weather Statement | PBZ | Allegheny, Armstrong, Butler, Clarion, Forest, Indiana and 3 more | 2 hr |
| Mar 7, 8:47 AM EST | Mesoscale Discussion | SPC | Bucks, Montgomery, Northampton | 4 hr |
| Mar 7, 10:47 AM EST | Special Weather Statement | CTP | Centre, Huntingdon, Juniata, Mifflin | 58 min |
| Mar 7, 1:25 PM EST | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia | 6 hr |
| Mar 8, 2:47 AM EST | Winter Weather Advisory | CLE | Crawford, Erie | 40 hr |
| Mar 8, 3:29 AM EST | Winter Weather Advisory | PBZ | Clarion, Fayette, Forest, Jefferson, Mercer, Venango and 1 more | 34 hr |
| Mar 8, 3:32 AM EST | Winter Weather Advisory | CTP | Cambria, Clearfield, Elk, McKean, Somerset, Warren | 39 hr |
| Mar 8, 2:46 PM EST | Winter Storm Warning | CLE | Crawford, Erie | 28 hr |
| Mar 8, 6:35 PM EST | Special Weather Statement | PBZ | Allegheny | 55 min |
| Mar 9, 1:13 PM EST | Special Weather Statement | CLE | Crawford, Erie | 77 min |
| Mar 9, 2:41 PM EST | Special Weather Statement | CLE | Crawford, Erie | 2 hr |
| Mar 12, 3:15 AM EDT | Winter Weather Advisory | BGM | Lackawanna, Pike, Susquehanna, Wayne | 70 hr |
| Mar 12, 3:18 AM EDT | Winter Weather Advisory | PHI | Carbon, Monroe, Northampton | 32 hr |
| Mar 13, 1:29 AM EDT | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 43 hr |
| Mar 13, 3:24 AM EDT | Winter Weather Advisory | CTP | McKean, Somerset, Warren | 41 hr |
| Mar 13, 3:57 AM EDT | Winter Weather Advisory | BGM | Susquehanna, Wayne | 49 hr |
| Mar 13, 4:09 AM EDT | Winter Weather Advisory | CLE | Crawford, Erie | 38 hr |
| Mar 13, 10:38 AM EDT | Special Weather Statement | PBZ | Washington | 52 min |
| Mar 13, 11:26 AM EDT | Special Weather Statement | PBZ | Allegheny | 64 min |
| Mar 13, 11:55 AM EDT | Special Weather Statement | PBZ | Beaver, Lawrence, Mercer | 65 min |
| Mar 13, 12:25 PM EDT | Special Weather Statement | PBZ | Westmoreland | 65 min |
| Mar 13, 12:54 PM EDT | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Lawrence, Mercer | 66 min |
| Mar 13, 1:26 PM EDT | Special Weather Statement | PBZ | Fayette | 64 min |
| Mar 13, 1:56 PM EDT | Special Weather Statement | PBZ | Armstrong, Butler, Westmoreland | 64 min |
| Mar 13, 3:43 PM EDT | Winter Storm Warning | CLE | Crawford, Erie | 27 hr |
| Mar 13, 3:50 PM EDT | Winter Storm Warning | BGM | Susquehanna | 37 hr |
| Mar 13, 4:26 PM EDT | Special Weather Statement | CTP | Somerset | 49 min |
| Mar 13, 4:55 PM EDT | Special Weather Statement | CTP | Snyder | 35 min |
| Mar 13, 5:17 PM EDT | Special Weather Statement | CTP | Clearfield | 58 min |
| Mar 13, 5:23 PM EDT | Special Weather Statement | CTP | Cambria | 52 min |
| Mar 13, 5:29 PM EDT | Special Weather Statement | CTP | Cambria, Somerset | 61 min |
| Mar 13, 6:42 PM EDT | Special Weather Statement | CTP | Somerset | 63 min |
| Mar 13, 7:06 PM EDT | Special Weather Statement | CTP | Cumberland, Huntingdon | 54 min |
| Mar 14, 4:04 PM EDT | Special Weather Statement | BGM | Susquehanna | 56 min |
| Mar 14, 5:05 PM EDT | Special Weather Statement | BGM | Susquehanna, Wayne | 55 min |
| Mar 14, 6:11 PM EDT | Special Weather Statement | BGM | Susquehanna, Wayne | 109 min |
| Mar 14, 8:13 PM EDT | Special Weather Statement | BGM | Susquehanna, Wayne | 2 hr |
| Mar 14, 10:00 PM EDT | Special Weather Statement | BGM | Susquehanna | 2 hr |
| Mar 15, 9:29 AM EDT | Special Weather Statement | PBZ | Butler, Clarion, Lawrence, Mercer, Venango | 76 min |
| Mar 15, 10:02 AM EDT | Snow Squall Warning | PBZ | Armstrong, Butler, Clarion, Forest, Mercer, Venango | 43 min |
| Mar 15, 10:44 AM EDT | Snow Squall Warning | PBZ | Clarion, Forest, Jefferson, Venango | 46 min |
| Mar 15, 11:18 AM EDT | Special Weather Statement | PBZ | Indiana, Jefferson | 42 min |
| Mar 15, 11:37 AM EDT | Special Weather Statement | CTP | Cameron, Clearfield, Elk | 53 min |
| Mar 15, 12:26 PM EDT | Special Weather Statement | CTP | Blair, Cambria, Centre, Clearfield | 49 min |
| Mar 15, 5:08 PM EDT | Special Weather Statement | CTP | Centre, Clinton, Lycoming, Union | 52 min |
| Mar 15, 6:08 PM EDT | Special Weather Statement | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 82 min |
| Mar 15, 7:40 PM EDT | Special Weather Statement | PHI | Monroe, Northampton | 65 min |
| Mar 15, 8:48 PM EDT | Special Weather Statement | PHI | Monroe | 57 min |
| Mar 16, 1:20 AM EDT | Special Weather Statement | CTP | Clearfield | 55 min |
| Mar 16, 2:10 AM EDT | Special Weather Statement | CTP | Centre, Mifflin | 65 min |
| Mar 16, 4:21 AM EDT | Special Weather Statement | PBZ | Allegheny, Armstrong, Butler | 54 min |
| Mar 16, 5:42 AM EDT | Special Weather Statement | PBZ | Allegheny, Indiana, Westmoreland | 33 min |
| Mar 16, 8:54 AM EDT | Snow Squall Warning | BGM | Susquehanna, Wayne | 51 min |
| Mar 16, 9:39 AM EDT | Special Weather Statement | CTP | Centre | 51 min |
| Mar 16, 9:58 AM EDT | Special Weather Statement | BGM | Wayne | 32 min |
| Mar 16, 11:11 AM EDT | Special Weather Statement | CTP | Clinton | 34 min |
| Mar 16, 1:36 PM EDT | Winter Weather Advisory | PBZ | Fayette, Greene, Washington | 24 hr |
| Mar 19, 3:18 PM EDT | Winter Storm Watch | BGM | Lackawanna, Luzerne, Pike, Wayne | 24 hr |
| Mar 19, 3:19 PM EDT | Winter Storm Warning | PBZ | Fayette, Westmoreland | 53 hr |
| Mar 19, 3:19 PM EDT | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 3 more | 53 hr |
| Mar 19, 3:32 PM EDT | Winter Storm Watch | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 6 more | 13 hr |
| Mar 19, 3:36 PM EDT | Winter Storm Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 13 hr |
| Mar 19, 3:36 PM EDT | Winter Weather Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 13 hr |
| Mar 20, 4:36 AM EDT | Winter Storm Warning | CTP | Adams, Bedford, Blair, Cambria, Cumberland, Dauphin and 11 more | 39 hr |
| Mar 20, 4:36 AM EDT | Winter Weather Advisory | CTP | Centre, Clearfield, Clinton, Columbia, Montour, Northumberland and 2 more | 39 hr |
| Mar 20, 4:41 AM EDT | Winter Storm Warning | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 47 hr |
| Mar 20, 4:46 AM EDT | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 7 hr |
| Mar 20, 12:06 PM EDT | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 32 hr |
| Mar 20, 12:19 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bucks, Chester, Cumberland and 8 more | 4 hr |
| Mar 20, 3:28 PM EDT | Winter Weather Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 30 hr |
| Mar 21, 4:16 AM EDT | Special Weather Statement | PBZ | Clarion, Forest, Lawrence, Mercer, Venango | 59 min |
| Mar 25, 9:17 AM EDT | Special Weather Statement | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 3 more | 118 min |
| Mar 25, 11:00 AM EDT | Special Weather Statement | CTP | Dauphin, Lebanon, Schuylkill | 75 min |
| Mar 25, 11:35 AM EDT | Special Weather Statement | CTP | Adams, Lancaster, York | 70 min |
| Mar 25, 12:11 PM EDT | Special Weather Statement | CTP | Adams, Cumberland | 64 min |
| Mar 27, 5:00 AM EDT | Winter Weather Advisory | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 6 more | 12 hr |
| Mar 27, 12:39 PM EDT | Winter Weather Advisory | PHI | Carbon, Monroe | 20 hr |
| Mar 28, 11:36 PM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 7 hr |
| Mar 29, 1:59 AM EDT | Dense Fog Advisory | CLE | Crawford, Erie | 8 hr |
| Mar 29, 2:28 AM EDT | Dense Fog Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 8 hr |
| Mar 29, 11:25 AM EDT | River Flood Advisory | PBZ | Allegheny | 68 hr |
| Mar 29, 8:34 PM EDT | Special Weather Statement | PBZ | Indiana | 26 min |
| Mar 29, 8:43 PM EDT | Special Weather Statement | CTP | Clearfield | 17 min |
| Mar 31, 1:58 PM EDT | River Flood Advisory | PBZ | Allegheny | 36 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 | 5 |
| Special Weather Statement | 47 |
| Flooding | |
| Areal Flood Warning | 1 |
| Areal Flood Advisory | 5 |
| River Flood Advisory | 3 |
| Winter | |
| Blizzard Warning | 1 |
| Snow Squall Warning | 3 |
| Winter Storm Warning | 13 |
| Winter Storm Watch | 8 |
| Winter Weather Advisory | 25 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Coastal Flood Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County20
- Montgomery County18
- Delaware County17
- Philadelphia County16
- Westmoreland County15
- Susquehanna County15
- Wayne County15
- Allegheny County14
- Fayette County13
- Northampton County13
- Somerset County12
- Forest County12
- Venango County12
- Chester County12
- Monroe County12
- Clearfield County12
- Erie County11
- Schuylkill County11
- Mercer County11
- Butler County11
- Clarion County11
- Adams County10
- Cumberland County10
- Lancaster County10
- Lebanon County10
- York County10
- Armstrong County10
- Jefferson County10
- Berks County10
- Lehigh County10
- Crawford County10
- Cambria County10
- Centre County10
- Dauphin County9
- Pike County9
- Carbon County9
- Lackawanna County8
- Lawrence County8
- Columbia County8
- Bedford County7
27 more counties
- Franklin County7
- Perry County7
- Luzerne County7
- Beaver County7
- Washington County7
- McKean County7
- Warren County7
- Clinton County7
- Fulton County6
- Wyoming County6
- Greene County6
- Elk County6
- Lycoming County5
- Blair County5
- Huntingdon County5
- Juniata County5
- Mifflin County5
- Snyder County5
- Union County5
- Potter County4
- Cameron County4
- Montour County4
- Northumberland County4
- Indiana County4
- Bradford County3
- Sullivan County3
- Tioga County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.