Alert archive / Pennsylvania / 2010
Weather alerts in Pennsylvania, January 2010
164 weather alerts in January 2010, 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 2010. Tap one for its archive.
- Alerts
- 164
- Warnings
- 69
- Watches
- 17
- Advisories
- 57
- Busiest day
- January 25, 201067 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 |
|---|---|---|---|---|
| Dec 31, 8:48 PM EST | Winter Weather Advisory | PHI | Delaware, Philadelphia | 4 hr |
| Jan 1, 4:07 AM EST | Lake Effect Snow Warning | CLE | Crawford, Erie | 4 days |
| Jan 1, 4:07 AM EST | Lake Effect Snow Advisory | CLE | Erie | 3 days |
| Jan 1, 6:28 AM EST | Winter Weather Advisory | CLE | Crawford, Erie | 4 hr |
| Jan 1, 12:10 PM EST | Lake Effect Snow Advisory | CTP | McKean, Warren | 3 days |
| Jan 1, 12:10 PM EST | Winter Storm Warning | CTP | Cambria, Somerset | 47 hr |
| Jan 1, 12:10 PM EST | Winter Weather Advisory | CTP | Cambria, Clearfield, Elk, Somerset | 3 days |
| Jan 1, 2:11 PM EST | Winter Storm Warning | PBZ | Forest, Mercer, Venango | 37 hr |
| Jan 1, 2:11 PM EST | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 5 days |
| Jan 1, 6:18 PM EST | Special Weather Statement | CTP | Clearfield | 57 min |
| Jan 2, 2:13 AM EST | Special Weather Statement | CTP | Centre, Elk | 47 min |
| Jan 2, 4:25 AM EST | Special Weather Statement | CTP | Cameron, Centre, Clearfield, Clinton, Elk | 80 min |
| Jan 2, 5:43 AM EST | Special Weather Statement | CTP | Clearfield | 32 min |
| Jan 2, 6:50 AM EST | Special Weather Statement | CTP | Clearfield | 40 min |
| Jan 2, 10:45 AM EST | Wind Advisory | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 32 hr |
| Jan 2, 2:24 PM EST | Wind Chill Advisory | PBZ | Armstrong, Clarion, Forest, Jefferson | 43 hr |
| Jan 2, 2:38 PM EST | Wind Chill Advisory | PHI | Carbon, Monroe | 19 hr |
| Jan 2, 2:52 PM EST | Wind Chill Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 23 hr |
| Jan 2, 3:16 PM EST | Wind Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Columbia and 17 more | 28 hr |
| Jan 2, 8:51 PM EST | Wind Chill Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 6 more | 14 hr |
| Jan 4, 6:22 AM EST | Special Weather Statement | CTP | Clearfield, Elk | 113 min |
| Jan 4, 2:24 PM EST | Special Weather Statement | CTP | Lancaster | 21 min |
| Jan 4, 2:41 PM EST | Special Weather Statement | CTP | York | 34 min |
| Jan 4, 4:12 PM EST | Lake Effect Snow Advisory | PBZ | Forest, Mercer, Venango | 41 hr |
| Jan 4, 8:18 PM EST | Lake Effect Snow Advisory | CTP | Warren | 38 hr |
| Jan 4, 8:18 PM EST | Winter Weather Advisory | CTP | Cambria, Somerset | 25 hr |
| Jan 5, 3:23 PM EST | Lake Effect Snow Advisory | CLE | Crawford, Erie | 13 hr |
| Jan 5, 9:38 PM EST | Winter Storm Warning | CTP | Cambria, Somerset | 9 hr |
| Jan 6, 4:14 AM EST | Winter Weather Advisory | CLE | Crawford, Erie | 11 hr |
| Jan 6, 6:47 AM EST | Winter Weather Advisory | CTP | Cambria, Somerset | 3 hr |
| Jan 6, 8:56 AM EST | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 3 hr |
| Jan 6, 3:07 PM EST | Lake Effect Snow Watch | CLE | Crawford, Erie | 24 hr |
| Jan 6, 3:07 PM EST | Winter Weather Advisory | CLE | Crawford, Erie | 61 hr |
| Jan 6, 3:27 PM EST | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 67 hr |
| Jan 7, 3:15 AM EST | Winter Storm Warning | PBZ | Mercer, Venango | 55 hr |
| Jan 7, 4:26 AM EST | Winter Weather Advisory | CTP | Cambria, Cameron, Clearfield, Elk, McKean, Potter and 2 more | 54 hr |
| Jan 7, 2:51 PM EST | Winter Storm Warning | CLE | Crawford, Erie | 37 hr |
| Jan 7, 3:31 PM EST | Winter Weather Advisory | PHI | Delaware, Philadelphia | 17 hr |
| Jan 8, 6:19 AM EST | Special Weather Statement | CTP | Cambria, Somerset | 26 min |
| Jan 8, 6:51 AM EST | Special Weather Statement | CTP | Cambria, Somerset | 69 min |
| Jan 8, 9:38 AM EST | Special Weather Statement | CTP | Centre, Clearfield, Juniata, Mifflin | 37 min |
| Jan 8, 1:37 PM EST | Special Weather Statement | CTP | Cameron, Clinton, Columbia, Lycoming, Montour, Northumberland and 3 more | 53 min |
| Jan 16, 2:42 AM EST | Winter Storm Watch | PHI | Carbon, Monroe | 27 hr |
| Jan 16, 2:48 PM EST | Freezing Rain Advisory | CTP | Adams, Cameron, Centre, Clearfield, Clinton, Columbia and 22 more | 14 hr |
| Jan 16, 4:00 PM EST | Winter Weather Advisory | PHI | Lehigh, Northampton | 38 hr |
| Jan 16, 4:01 PM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 39 hr |
| Jan 16, 7:24 PM EST | Winter Weather Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Columbia, Elk and 10 more | 32 hr |
| Jan 16, 8:43 PM EST | Dense Fog Advisory | CLE | Erie | 16 hr |
| Jan 17, 4:33 AM EST | Winter Storm Warning | PHI | Monroe | 23 hr |
| Jan 17, 4:33 AM EST | Winter Weather Advisory | PHI | Carbon | 23 hr |
| Jan 17, 5:20 PM EST | Dense Fog Advisory | CLE | Crawford, Erie | 16 hr |
| Jan 18, 11:01 PM EST | Winter Weather Advisory | CLE | Crawford, Erie | 11 hr |
| Jan 21, 1:48 PM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 9 more | 22 hr |
| Jan 21, 2:31 PM EST | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 4 more | 22 hr |
| Jan 22, 5:36 AM EST | Freezing Rain Advisory | CLE | Crawford, Erie | 5 hr |
| Jan 23, 2:40 PM EST | Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 55 hr |
| Jan 23, 2:56 PM EST | Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 48 hr |
| Jan 23, 3:38 PM EST | Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 49 hr |
| Jan 24, 4:34 AM EST | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 38 hr |
| Jan 24, 5:47 AM EST | River Flood Watch | PBZ | Indiana, Westmoreland | 31 hr |
| Jan 24, 5:47 AM EST | River Flood Watch | PBZ | Fayette | 27 hr |
| Jan 24, 11:17 AM EST | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 29 hr |
| Jan 24, 11:37 AM EST | Winter Weather Advisory | PHI | Carbon, Monroe | 3 hr |
| Jan 24, 11:56 AM EST | Winter Weather Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 4 hr |
| Jan 24, 12:46 PM EST | River Flood Advisory | PBZ | Allegheny | 24 hr |
| Jan 24, 3:00 PM EST | River Flood Warning | BGM | Bradford | 71 hr |
| Jan 24, 3:12 PM EST | Flood Watch | CLE | Crawford, Erie | 19 hr |
| Jan 24, 3:13 PM EST | Wind Advisory | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 22 hr |
| Jan 24, 9:23 PM EST | Wind Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Columbia and 17 more | 15 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | Fayette | 14 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | Fayette, Washington, Westmoreland | 14 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | Allegheny, Washington, Westmoreland | 14 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | Allegheny | 14 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | Allegheny | 14 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | Clarion, Forest, Jefferson | 14 hr |
| Jan 25, 2:24 AM EST | Areal Flood Warning | CTP | Bedford, Blair, Cambria, Cameron, Clearfield, Elk and 3 more | 10 hr |
| Jan 25, 4:10 AM EST | River Flood Warning | CTP | Elk | 18 hr |
| Jan 25, 5:38 AM EST | Areal Flood Warning | CTP | Centre, Clearfield, Clinton, Columbia, Lycoming, Montour and 5 more | 24 hr |
| Jan 25, 6:19 AM EST | Areal Flood Advisory | BGM | Bradford, Lackawanna, Luzerne, Wayne, Wyoming | 3 hr |
| Jan 25, 6:20 AM EST | Areal Flood Warning | CTP | Adams, Centre, Cumberland, Dauphin, Franklin, Fulton and 9 more | 6 hr |
| Jan 25, 6:54 AM EST | River Flood Warning | CTP | Blair, Huntingdon | 15 hr |
| Jan 25, 7:27 AM EST | Areal Flood Advisory | BGM | Susquehanna, Wayne | 3 hr |
| Jan 25, 7:44 AM EST | Areal Flood Advisory | PBZ | Lawrence | 6 hr |
| Jan 25, 7:45 AM EST | Flash Flood Warning | BGM | Bradford | 6 hr |
| Jan 25, 7:51 AM EST | Areal Flood Advisory | PBZ | Jefferson | 9 hr |
| Jan 25, 7:56 AM EST | River Flood Warning | PBZ | Fayette | 18 hr |
| Jan 25, 8:09 AM EST | Flash Flood Warning | BGM | Wyoming | 6 hr |
| Jan 25, 8:45 AM EST | River Flood Warning | BGM | Bradford | 10 hr |
| Jan 25, 8:48 AM EST | Special Weather Statement | CTP | Dauphin, Lancaster, Lebanon, Schuylkill, York | 87 min |
| Jan 25, 8:50 AM EST | River Flood Warning | CTP | Elk | 8 hr |
| Jan 25, 9:00 AM EST | River Flood Warning | CTP | Somerset | 13 hr |
| Jan 25, 9:20 AM EST | Flash Flood Warning | BGM | Bradford, Susquehanna, Wyoming | 6 hr |
| Jan 25, 9:20 AM EST | River Flood Warning | BGM | Susquehanna | 30 hr |
| Jan 25, 9:20 AM EST | River Flood Warning | BGM | Bradford | 37 hr |
| Jan 25, 9:20 AM EST | River Flood Warning | BGM | Wyoming | 42 hr |
| Jan 25, 9:20 AM EST | River Flood Warning | BGM | Luzerne | 49 hr |
| Jan 25, 9:27 AM EST | Flash Flood Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 2 more | 3 hr |
| Jan 25, 9:42 AM EST | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 63 min |
| Jan 25, 9:56 AM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jan 25, 9:58 AM EST | Flash Flood Warning | BGM | Susquehanna, Wyoming | 6 hr |
| Jan 25, 10:09 AM EST | Areal Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 10 hr |
| Jan 25, 10:19 AM EST | River Flood Warning | CTP | Huntingdon | 23 hr |
| Jan 25, 10:19 AM EST | River Flood Warning | CTP | Columbia | 42 hr |
| Jan 25, 10:19 AM EST | River Flood Warning | CTP | Centre, Snyder, Union | 17 hr |
| Jan 25, 10:19 AM EST | River Flood Warning | CTP | Perry | 14 hr |
| Jan 25, 10:19 AM EST | River Flood Warning | CTP | Cumberland | 47 hr |
| Jan 25, 10:20 AM EST | Flood Watch | CLE | Crawford, Erie | 5 hr |
| Jan 25, 10:44 AM EST | Flash Flood Warning | BGM | Wayne | 5 hr |
| Jan 25, 11:37 AM EST | Areal Flood Warning | PHI | Bucks | 6 hr |
| Jan 25, 11:38 AM EST | Areal Flood Advisory | BGM | Lackawanna, Pike, Wayne | 3 hr |
| Jan 25, 11:50 AM EST | River Flood Warning | PBZ | Allegheny | 32 hr |
| Jan 25, 11:50 AM EST | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 26 hr |
| Jan 25, 11:50 AM EST | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 26 hr |
| Jan 25, 11:50 AM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 19 hr |
| Jan 25, 11:50 AM EST | River Flood Warning | PBZ | Indiana, Westmoreland | 5 hr |
| Jan 25, 12:00 PM EST | River Flood Warning | PHI | Bucks | 11 hr |
| Jan 25, 12:08 PM EST | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 29 days |
| Jan 25, 12:13 PM EST | Flash Flood Warning | BGM | Wayne | 4 hr |
| Jan 25, 12:13 PM EST | Areal Flood Warning | CTP | Cameron, Elk, McKean, Potter, Warren | 14 hr |
| Jan 25, 12:17 PM EST | Areal Flood Warning | CTP | Adams, Bedford, Blair, Cambria, Clearfield, Cumberland and 12 more | 14 hr |
| Jan 25, 12:55 PM EST | River Flood Warning | PHI | Delaware | 3 hr |
| Jan 25, 1:08 PM EST | River Flood Warning | CTP | Lycoming, Sullivan | 11 hr |
| Jan 25, 1:50 PM EST | River Flood Warning | PHI | Chester | 4 hr |
| Jan 25, 1:59 PM EST | Areal Flood Warning | BGM | Bradford | 61 min |
| Jan 25, 2:03 PM EST | River Flood Warning | CTP | Clinton | 14 hr |
| Jan 25, 2:53 PM EST | River Flood Warning | CTP | Cumberland, York | 31 hr |
| Jan 25, 3:14 PM EST | Areal Flood Warning | BGM | Wyoming | 2 hr |
| Jan 25, 3:34 PM EST | River Flood Warning | CTP | Lycoming | 37 hr |
| Jan 25, 3:34 PM EST | River Flood Warning | CTP | Lycoming, Northumberland, Union | 37 hr |
| Jan 25, 3:34 PM EST | River Flood Warning | CTP | Northumberland, Union | 37 hr |
| Jan 25, 3:34 PM EST | River Flood Warning | CTP | Northumberland, Union | 37 hr |
| Jan 25, 5:16 PM EST | River Flood Warning | PBZ | Fayette | 8 hr |
| Jan 25, 5:30 PM EST | River Flood Warning | PBZ | Fayette, Greene | 8 hr |
| Jan 25, 5:38 PM EST | River Flood Warning | PBZ | Allegheny | 13 hr |
| Jan 25, 6:01 PM EST | River Flood Warning | CTP | Blair, Huntingdon | 6 hr |
| Jan 25, 8:00 PM EST | Areal Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 2 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Centre, Clinton | 6 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Clinton, Lycoming | 7 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Lycoming | 18 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Northumberland, Union | 14 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Columbia, Montour, Northumberland | 31 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Union | 31 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Cumberland, Dauphin, Juniata, Lancaster, Northumberland, Perry and 2 more | 36 hr |
| Jan 25, 9:26 PM EST | River Flood Warning | CTP | Lancaster, York | 48 hr |
| Jan 25, 10:40 PM EST | Special Weather Statement | CTP | Blair, Cambria | 95 min |
| Jan 26, 12:56 AM EST | Special Weather Statement | CTP | Clearfield, Elk | 64 min |
| Jan 26, 1:53 AM EST | Special Weather Statement | CTP | Clearfield, Clinton | 52 min |
| Jan 26, 2:30 AM EST | Winter Weather Advisory | PBZ | 22 hr | |
| Jan 26, 3:42 AM EST | Winter Weather Advisory | CTP | Cambria, Somerset | 19 hr |
| Jan 26, 5:27 AM EST | Areal Flood Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 2 more | 6 hr |
| Jan 26, 7:54 AM EST | Special Weather Statement | CTP | Mifflin | 36 min |
| Jan 26, 3:27 PM EST | Lake Effect Snow Advisory | CTP | Warren | 7 hr |
| Jan 26, 8:45 PM EST | River Flood Advisory | PBZ | Allegheny | 43 hr |
| Jan 27, 2:22 PM EST | Lake Effect Snow Watch | CTP | McKean, Warren | 13 hr |
| Jan 28, 3:39 AM EST | Lake Effect Snow Advisory | CTP | Warren | 18 hr |
| Jan 28, 8:44 AM EST | Special Weather Statement | CTP | Blair, Centre, Clinton, Huntingdon, Mifflin | 46 min |
| Jan 28, 9:01 AM EST | Winter Weather Advisory | CLE | Crawford, Erie | 6 hr |
| Jan 28, 9:41 AM EST | Winter Weather Advisory | PBZ | Allegheny, Clarion, Forest, Jefferson, Mercer, Venango | 6 hr |
| Jan 28, 10:07 AM EST | Winter Weather Advisory | CTP | Cambria, Clearfield, Elk, McKean, Somerset | 6 hr |
| Jan 28, 10:20 AM EST | Special Weather Statement | CTP | Blair, Centre, Clinton, Huntingdon, Lycoming, Mifflin and 1 more | 55 min |
| Jan 29, 3:17 PM EST | Wind Chill Advisory | BGM | Susquehanna, Wayne | 18 hr |
| Jan 30, 4:16 AM EST | Winter Weather Advisory | PHI | Delaware, Philadelphia | 20 hr |
| Jan 30, 2:32 PM EST | Special Weather Statement | CTP | Adams, York | 88 min |
| Jan 30, 4:30 PM EST | Special Weather Statement | CTP | Adams, Franklin, Lancaster, York | 75 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 | 1 |
| Special Weather Statement | 21 |
| Flooding | |
| Areal Flood Warning | 11 |
| Flash Flood Warning | 7 |
| River Flood Warning | 43 |
| Flood Watch | 6 |
| River Flood Watch | 8 |
| Areal Flood Advisory | 7 |
| River Flood Advisory | 2 |
| Winter | |
| Lake Effect Snow Warning | 1 |
| Winter Storm Warning | 6 |
| Lake Effect Snow Watch | 2 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 2 |
| Lake Effect Snow Advisory | 7 |
| Winter Weather Advisory | 27 |
| Cold | |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| 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.
- Clearfield County19
- Cambria County18
- Somerset County18
- Centre County16
- Northumberland County16
- Erie County15
- Elk County15
- Union County15
- Allegheny County14
- York County14
- Lycoming County14
- Crawford County13
- Clinton County13
- Delaware County12
- Huntingdon County12
- Snyder County12
- Philadelphia County11
- Forest County11
- Blair County11
- Columbia County11
- Lancaster County11
- Mifflin County11
- McKean County10
- Jefferson County10
- Bradford County10
- Wayne County10
- Cumberland County10
- Juniata County10
- Montour County10
- Perry County10
- Warren County9
- Mercer County9
- Venango County9
- Clarion County9
- Cameron County9
- Wyoming County9
- Adams County9
- Dauphin County9
- Washington County8
- Susquehanna County8
27 more counties
- Franklin County8
- Schuylkill County8
- Potter County8
- Sullivan County8
- Tioga County8
- Carbon County7
- Monroe County7
- Lebanon County7
- Fayette County7
- Armstrong County6
- Lawrence County6
- Lackawanna County6
- Luzerne County6
- Bedford County6
- Fulton County6
- Westmoreland County6
- Chester County6
- Beaver County5
- Butler County5
- Greene County5
- Pike County5
- Bucks County5
- Montgomery County5
- Lehigh County4
- Northampton County4
- Berks County3
- Indiana County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.