Alert archive / Pennsylvania / 2018
Weather alerts in Pennsylvania, January 2018
146 weather alerts in January 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 January 2018. Tap one for its archive.
- Alerts
- 146
- Warnings
- 39
- Watches
- 16
- Advisories
- 59
- Busiest day
- January 12, 201824 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 |
|---|---|---|---|---|
| Jan 1, 1:27 AM EST | Winter Weather Advisory | CLE | Erie | 26 hr |
| Jan 1, 4:00 AM EST | Winter Weather Advisory | CTP | Warren | 24 hr |
| Jan 1, 3:18 PM EST | Wind Chill Advisory | CLE | Crawford, Erie | 43 hr |
| Jan 3, 3:29 AM EST | Wind Chill Watch | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 24 hr |
| Jan 3, 3:30 AM EST | Wind Chill Watch | PBZ | Fayette, Westmoreland | 24 hr |
| Jan 3, 4:01 AM EST | Wind Chill Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 24 hr |
| Jan 3, 4:03 AM EST | Wind Chill Watch | PHI | Carbon, Monroe | 24 hr |
| Jan 3, 4:03 AM EST | Winter Storm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 38 hr |
| Jan 3, 4:03 AM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 38 hr |
| Jan 3, 2:36 PM EST | Winter Weather Advisory | CTP | Lancaster, Lebanon, Schuylkill, Warren, York | 64 hr |
| Jan 3, 3:09 PM EST | Winter Weather Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 3 days |
| Jan 3, 3:18 PM EST | Wind Chill Advisory | CLE | Crawford, Erie | 4 days |
| Jan 3, 3:42 PM EST | Wind Chill Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 4 days |
| Jan 4, 3:25 AM EST | Wind Chill Warning | PBZ | Fayette, Westmoreland | 58 hr |
| Jan 4, 3:37 AM EST | Wind Chill Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 3 days |
| Jan 4, 3:46 AM EST | Wind Chill Warning | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 62 hr |
| Jan 4, 3:46 AM EST | Wind Chill Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 3 days |
| Jan 4, 3:48 AM EST | Wind Chill Warning | PHI | Carbon, Monroe | 3 days |
| Jan 4, 3:48 AM EST | Wind Chill Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 3 days |
| Jan 4, 12:15 PM EST | Winter Weather Advisory | CLE | Crawford, Erie | 33 hr |
| Jan 6, 1:18 PM EST | Wind Chill Advisory | PBZ | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 21 hr |
| Jan 7, 2:08 PM EST | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 36 hr |
| Jan 7, 2:29 PM EST | Winter Weather Advisory | CLE | Crawford, Erie | 22 hr |
| Jan 7, 2:38 PM EST | Winter Weather Advisory | CTP | Adams, Bedford, Cambria, Cameron, Clearfield, Cumberland and 12 more | 40 hr |
| Jan 7, 2:50 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 33 hr |
| Jan 8, 1:01 PM EST | Special Weather Statement | BGM | Lackawanna, Luzerne, Pike, Wayne | 89 min |
| Jan 10, 2:57 PM EST | Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 4 days |
| Jan 10, 3:07 PM EST | Winter Storm Watch | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Columbia and 9 more | 38 hr |
| Jan 10, 3:10 PM EST | Winter Storm Watch | BGM | Bradford | 37 hr |
| Jan 10, 4:02 PM EST | Winter Storm Watch | CLE | Crawford, Erie | 24 hr |
| Jan 11, 3:07 AM EST | Winter Storm Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more | 12 hr |
| Jan 11, 4:34 AM EST | Flood Watch | CTP | Cameron, Centre, Clearfield, Clinton, Columbia, Elk and 10 more | 51 hr |
| Jan 11, 12:08 PM EST | Flood Watch | CLE | Crawford, Erie | 39 hr |
| Jan 11, 12:45 PM EST | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 32 hr |
| Jan 11, 2:34 PM EST | Wind Advisory | PHI | Delaware, Philadelphia | 13 hr |
| Jan 11, 3:06 PM EST | Winter Storm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more | 43 hr |
| Jan 11, 3:06 PM EST | Winter Weather Advisory | PBZ | Fayette, Greene, Westmoreland | 43 hr |
| Jan 11, 3:35 PM EST | Winter Storm Warning | CLE | Crawford, Erie | 38 hr |
| Jan 11, 3:44 PM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 44 hr |
| Jan 11, 3:48 PM EST | Winter Weather Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 39 hr |
| Jan 11, 4:16 PM EST | Winter Storm Warning | CTP | Cameron, Elk, McKean, Potter, Warren | 41 hr |
| Jan 12, 1:03 AM EST | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 8 hr |
| Jan 12, 1:20 AM EST | Areal Flood Warning | PBZ | Allegheny | 13 hr |
| Jan 12, 2:38 AM EST | Areal Flood Warning | PBZ | Armstrong, Beaver, Butler, Clarion, Fayette, Forest and 8 more | 12 hr |
| Jan 12, 2:53 AM EST | River Flood Warning | CLE | Crawford | 4 days |
| Jan 12, 4:46 AM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 22 more | 29 hr |
| Jan 12, 5:09 AM EST | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Warren | 3 hr |
| Jan 12, 6:31 AM EST | Flash Flood Warning | CTP | Elk, McKean | 4 hr |
| Jan 12, 8:59 AM EST | Areal Flood Advisory | CTP | Potter | 3 hr |
| Jan 12, 9:30 AM EST | River Flood Warning | PBZ | Armstrong, Clarion | 18 hr |
| Jan 12, 9:40 AM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 22 hr |
| Jan 12, 10:27 AM EST | Areal Flood Warning | CTP | Elk, McKean | 12 hr |
| Jan 12, 12:16 PM EST | River Flood Advisory | PBZ | Allegheny | 70 hr |
| Jan 12, 12:34 PM EST | Areal Flood Warning | CLE | Crawford, Erie | 9 hr |
| Jan 12, 1:23 PM EST | Areal Flood Advisory | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 1 more | 6 hr |
| Jan 12, 1:36 PM EST | Areal Flood Advisory | PHI | Bucks, Philadelphia | 3 hr |
| Jan 12, 2:30 PM EST | Areal Flood Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 3 hr |
| Jan 12, 2:58 PM EST | Mesoscale Discussion | SPC | Crawford, Erie, Mercer | 4 hr |
| Jan 12, 4:50 PM EST | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Jan 12, 4:58 PM EST | Areal Flood Advisory | CTP | Clearfield | 3 hr |
| Jan 12, 5:21 PM EST | Areal Flood Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 18 hr |
| Jan 12, 5:34 PM EST | Special Weather Statement | CTP | Bedford, Blair | 26 min |
| Jan 12, 5:36 PM EST | Areal Flood Advisory | PHI | Philadelphia | 4 hr |
| Jan 12, 6:05 PM EST | Severe Thunderstorm Warning | CTP | Bedford, Blair, Centre, Huntingdon | 55 min |
| Jan 12, 6:28 PM EST | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 62 min |
| Jan 12, 7:02 PM EST | Special Weather Statement | CTP | Fulton | 43 min |
| Jan 12, 7:04 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 33 more | 6 hr |
| Jan 12, 7:12 PM EST | Areal Flood Warning | CTP | McKean, Potter | 3 hr |
| Jan 12, 7:24 PM EST | Areal Flood Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Columbia, Elk and 8 more | 3 hr |
| Jan 12, 7:36 PM EST | Special Weather Statement | CTP | Cumberland | 39 min |
| Jan 12, 8:24 PM EST | Areal Flood Advisory | CTP | Clearfield | 4 hr |
| Jan 12, 9:11 PM EST | Areal Flood Warning | CLE | Crawford, Erie | 12 hr |
| Jan 12, 10:03 PM EST | Areal Flood Warning | CTP | McKean, Potter | 3 hr |
| Jan 12, 11:34 PM EST | Areal Flood Advisory | CTP | Centre, Clinton | 6 hr |
| Jan 12, 11:47 PM EST | River Flood Warning | PBZ | Armstrong, Clarion | 13 hr |
| Jan 13, 12:22 AM EST | River Flood Warning | PBZ | Armstrong | 8 hr |
| Jan 13, 12:56 AM EST | Mesoscale Discussion | SPC | Berks, Bradford, Carbon, Columbia, Cumberland, Dauphin and 20 more | 6 hr |
| Jan 13, 2:38 AM EST | Areal Flood Advisory | CTP | Lycoming | 3 hr |
| Jan 13, 2:42 AM EST | River Flood Warning | PBZ | Allegheny | 14 hr |
| Jan 13, 3:47 AM EST | Mesoscale Discussion | SPC | McKean, Potter, Tioga | 6 hr |
| Jan 13, 7:15 AM EST | River Flood Warning | PBZ | Allegheny | 27 hr |
| Jan 13, 8:15 AM EST | Wind Advisory | PHI | Carbon, Monroe | 4 hr |
| Jan 13, 11:15 AM EST | Areal Flood Warning | PBZ | Beaver, Butler | 6 hr |
| Jan 13, 11:19 AM EST | Areal Flood Advisory | PBZ | Allegheny | 9 hr |
| Jan 13, 1:21 PM EST | Wind Chill Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 6 more | 21 hr |
| Jan 13, 1:43 PM EST | Wind Chill Advisory | PBZ | Fayette, Forest, Jefferson, Westmoreland | 20 hr |
| Jan 13, 2:51 PM EST | Wind Chill Advisory | BGM | Bradford, Lackawanna, Pike, Susquehanna, Wayne, Wyoming | 19 hr |
| Jan 13, 3:03 PM EST | Wind Chill Advisory | PHI | Carbon, Monroe | 19 hr |
| Jan 14, 7:48 AM EST | Flood Watch | CTP | Cumberland, Dauphin, Lancaster, Perry, York | 23 hr |
| Jan 14, 10:32 AM EST | River Flood Advisory | PBZ | Allegheny | 36 hr |
| Jan 15, 5:28 AM EST | Areal Flood Warning | PHI | Bucks | 12 hr |
| Jan 15, 7:59 AM EST | River Flood Warning | PHI | Bucks | 27 hr |
| Jan 15, 1:42 PM EST | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 34 hr |
| Jan 15, 2:22 PM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Clinton and 21 more | 41 hr |
| Jan 15, 3:05 PM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 42 hr |
| Jan 15, 3:13 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 44 hr |
| Jan 15, 6:49 PM EST | Special Weather Statement | PBZ | Fayette, Westmoreland | 56 min |
| Jan 15, 7:59 PM EST | Special Weather Statement | PBZ | Indiana | 61 min |
| Jan 16, 3:00 AM EST | Winter Weather Advisory | CTP | Franklin | 28 hr |
| Jan 16, 12:30 PM EST | Winter Storm Warning | PHI | Carbon, Monroe | 22 hr |
| Jan 18, 9:03 AM EST | Special Weather Statement | CTP | Clearfield | 87 min |
| Jan 18, 11:07 AM EST | Areal Flood Warning | PBZ | Armstrong, Westmoreland | 52 hr |
| Jan 18, 12:18 PM EST | Flood Watch | CTP | Lancaster, York | 11 days |
| Jan 20, 3:34 PM EST | Areal Flood Advisory | PBZ | Armstrong, Westmoreland | 24 hr |
| Jan 22, 3:17 AM EST | Dense Fog Advisory | CLE | Crawford, Erie | 6 hr |
| Jan 23, 1:38 AM EST | Special Weather Statement | CLE | Crawford, Erie | 52 min |
| Jan 23, 2:16 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Greene, Washington | 44 min |
| Jan 23, 2:59 AM EST | Special Weather Statement | PBZ | Armstrong, Clarion, Indiana, Jefferson, Westmoreland | 61 min |
| Jan 23, 5:35 AM EST | Areal Flood Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 4 hr |
| Jan 23, 5:54 AM EST | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 4 hr |
| Jan 23, 6:18 AM EST | Flood Watch | BGM | Lackawanna, Luzerne, Pike, Wayne | 13 hr |
| Jan 23, 6:34 AM EST | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more | 3 hr |
| Jan 23, 9:42 AM EST | Special Weather Statement | CTP | Lancaster | 63 min |
| Jan 23, 9:49 AM EST | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne | 3 hr |
| Jan 23, 9:58 AM EST | Special Weather Statement | PHI | Chester | 47 min |
| Jan 23, 10:38 AM EST | Areal Flood Advisory | CTP | Dauphin, Lebanon, Schuylkill | 3 hr |
| Jan 23, 10:42 AM EST | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia | 48 min |
| Jan 23, 10:45 AM EST | River Flood Warning | CTP | Lebanon, Schuylkill | 21 hr |
| Jan 23, 11:23 AM EST | Special Weather Statement | PHI | Bucks, Philadelphia | 37 min |
| Jan 23, 1:48 PM EST | Areal Flood Warning | BGM | Wyoming | 6 hr |
| Jan 23, 2:17 PM EST | River Flood Warning | CTP | Dauphin, Lebanon | 24 hr |
| Jan 23, 2:26 PM EST | Areal Flood Advisory | BGM | Wyoming | 6 hr |
| Jan 23, 7:07 PM EST | Areal Flood Warning | BGM | Wyoming | 21 hr |
| Jan 24, 6:25 AM EST | Special Weather Statement | PBZ | Fayette, Greene, Washington, Westmoreland | 20 min |
| Jan 24, 6:53 AM EST | Special Weather Statement | PBZ | Washington, Westmoreland | 37 min |
| Jan 24, 8:14 AM EST | Areal Flood Warning | BGM | Luzerne | 6 hr |
| Jan 24, 10:07 AM EST | River Flood Warning | BGM | Luzerne | 29 hr |
| Jan 24, 2:52 PM EST | Flood Watch | PHI | Monroe, Northampton | 4 days |
| Jan 25, 12:57 AM EST | River Flood Warning | BGM | Luzerne | 21 hr |
| Jan 25, 6:10 AM EST | Special Weather Statement | PBZ | Butler | 35 min |
| Jan 26, 11:55 AM EST | Areal Flood Advisory | CTP | Lancaster, York | 6 hr |
| Jan 26, 5:45 PM EST | Areal Flood Advisory | CTP | Lancaster, York | 48 hr |
| Jan 29, 2:42 AM EST | Winter Weather Advisory | CLE | Crawford, Erie | 31 hr |
| Jan 29, 3:58 AM EST | Winter Weather Advisory | PBZ | Armstrong, Clarion, Fayette, Forest, Jefferson, Westmoreland | 39 hr |
| Jan 29, 4:32 AM EST | Winter Weather Advisory | CTP | Cambria, Cameron, Clearfield, Elk, McKean, Potter and 3 more | 38 hr |
| Jan 30, 5:21 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver | 54 min |
| Jan 30, 6:10 AM EST | Special Weather Statement | CLE | Crawford | 80 min |
| Jan 30, 6:11 AM EST | Special Weather Statement | PBZ | Fayette | 49 min |
| Jan 30, 6:15 AM EST | Special Weather Statement | PBZ | Allegheny, Lawrence | 45 min |
| Jan 30, 7:05 AM EST | Special Weather Statement | PBZ | Allegheny, Lawrence | 55 min |
| Jan 30, 8:22 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Fayette, Lawrence, Mercer and 2 more | 53 min |
| Jan 30, 9:27 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Fayette, Lawrence, Westmoreland | 63 min |
| Jan 30, 10:40 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Fayette, Lawrence, Westmoreland | 65 min |
| Jan 30, 11:47 AM EST | Special Weather Statement | CTP | Somerset | 58 min |
| Jan 30, 11:57 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Fayette, Lawrence, Mercer and 2 more | 63 min |
| Jan 30, 11:59 AM EST | Special Weather Statement | CTP | Lancaster | 61 min |
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 | 4 |
| Special Weather Statement | 28 |
| Flooding | |
| Areal Flood Warning | 15 |
| Flash Flood Warning | 1 |
| River Flood Warning | 12 |
| Flood Watch | 8 |
| Areal Flood Advisory | 22 |
| River Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 22 |
| Cold | |
| Wind Chill Warning | 4 |
| Wind Chill Watch | 4 |
| Wind Chill Advisory | 10 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County25
- Allegheny County24
- Fayette County20
- McKean County18
- Beaver County18
- Armstrong County17
- Butler County17
- Lawrence County16
- Crawford County15
- Elk County15
- Clarion County15
- Washington County15
- Erie County14
- Clearfield County14
- Potter County14
- Luzerne County14
- Jefferson County14
- Warren County13
- Cameron County13
- Lycoming County13
- Tioga County13
- Forest County13
- Centre County12
- Clinton County12
- Lackawanna County12
- Pike County12
- Wayne County12
- Wyoming County12
- Lancaster County12
- Mercer County12
- Somerset County11
- Sullivan County11
- Monroe County11
- Bucks County11
- Cambria County10
- Susquehanna County10
- Carbon County10
- Lebanon County10
- Schuylkill County10
- York County10
27 more counties
- Greene County10
- Venango County10
- Bradford County9
- Philadelphia County9
- Cumberland County9
- Dauphin County9
- Northampton County8
- Montgomery County7
- Berks County7
- Chester County7
- Lehigh County7
- Bedford County7
- Columbia County7
- Franklin County7
- Montour County7
- Perry County7
- Snyder County7
- Union County7
- Indiana County7
- Delaware County6
- Adams County6
- Blair County6
- Mifflin County6
- Northumberland County6
- Fulton County5
- Huntingdon County5
- Juniata County5
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. Warning verification from the Mesonet's Cow. Rebuilt daily.