Alert archive / Pennsylvania / 2010
Weather alerts in Pennsylvania, August 2010
148 weather alerts in August 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 August 2010. Tap one for its archive.
- Alerts
- 148
- Warnings
- 42
- Watches
- 4
- Advisories
- 22
- Busiest day
- August 16, 201038 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 |
|---|---|---|---|---|
| Aug 1, 5:02 AM EDT | Special Weather Statement | PBZ | Clarion | 58 min |
| Aug 1, 5:24 AM EDT | Special Weather Statement | PBZ | Clarion | 51 min |
| Aug 1, 5:46 AM EDT | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Aug 1, 7:41 AM EDT | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Aug 1, 9:41 AM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Schuylkill | 4 hr |
| Aug 1, 11:35 AM EDT | Special Weather Statement | PHI | Philadelphia | 55 min |
| Aug 1, 2:40 PM EDT | Areal Flood Advisory | CTP | Potter, Tioga | 4 hr |
| Aug 1, 4:00 PM EDT | Areal Flood Advisory | BGM | Susquehanna | 3 hr |
| Aug 4, 11:09 AM EDT | Heat Advisory | CTP | Adams, Clinton, Columbia, Cumberland, Dauphin, Franklin and 9 more | 9 hr |
| Aug 4, 1:58 PM EDT | Mesoscale Discussion | SPC | Greene | 62 min |
| Aug 4, 2:18 PM EDT | Severe Thunderstorm Watch | SPC | Fayette, Greene, Washington, Westmoreland | 7 hr |
| Aug 4, 2:56 PM EDT | Heat Advisory | PHI | Berks, Delaware, Lehigh, Northampton, Philadelphia | 29 hr |
| Aug 4, 3:10 PM EDT | Heat Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 28 hr |
| Aug 4, 3:11 PM EDT | Special Weather Statement | PBZ | Armstrong, Butler | 64 min |
| Aug 4, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 53 min |
| Aug 4, 3:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 48 min |
| Aug 4, 3:52 PM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Fayette, Greene, Indiana, Washington and 1 more | 53 min |
| Aug 4, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 51 min |
| Aug 4, 4:07 PM EDT | Special Weather Statement | PBZ | Butler | 23 min |
| Aug 4, 4:17 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 58 min |
| Aug 4, 4:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 39 min |
| Aug 4, 4:38 PM EDT | Special Weather Statement | PBZ | Armstrong, Butler | 67 min |
| Aug 4, 4:50 PM EDT | Special Weather Statement | PBZ | Indiana | 25 min |
| Aug 4, 4:54 PM EDT | Special Weather Statement | CTP | Cambria | 36 min |
| Aug 4, 5:03 PM EDT | Special Weather Statement | PBZ | Westmoreland | 27 min |
| Aug 4, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 55 min |
| Aug 4, 5:09 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 66 min |
| Aug 4, 5:14 PM EDT | Special Weather Statement | PBZ | Jefferson | 31 min |
| Aug 4, 5:30 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Franklin, Fulton | 30 min |
| Aug 4, 5:37 PM EDT | Areal Flood Advisory | PBZ | Jefferson | 3 hr |
| Aug 4, 5:41 PM EDT | Special Weather Statement | CTP | Centre, Clearfield, Mifflin, Snyder | 34 min |
| Aug 4, 5:52 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cumberland, Dauphin and 11 more | 5 hr |
| Aug 4, 6:06 PM EDT | Special Weather Statement | PBZ | Westmoreland | 9 min |
| Aug 4, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 53 min |
| Aug 4, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 64 min |
| Aug 4, 6:18 PM EDT | Special Weather Statement | CTP | Centre, Clearfield, Mifflin, Snyder | 57 min |
| Aug 4, 6:50 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 55 min |
| Aug 4, 6:55 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Perry | 65 min |
| Aug 4, 7:06 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 20 min |
| Aug 4, 7:11 PM EDT | Special Weather Statement | CTP | Clinton, Union | 49 min |
| Aug 4, 7:23 PM EDT | Special Weather Statement | CTP | Adams | 67 min |
| Aug 4, 7:48 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Cumberland, Dauphin and 11 more | 87 min |
| Aug 4, 8:00 PM EDT | Special Weather Statement | CTP | Dauphin | 45 min |
| Aug 4, 8:08 PM EDT | Special Weather Statement | CTP | Northumberland | 52 min |
| Aug 4, 8:25 PM EDT | Special Weather Statement | CTP | York | 50 min |
| Aug 4, 8:39 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 66 min |
| Aug 4, 8:43 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 47 min |
| Aug 4, 9:03 PM EDT | Special Weather Statement | PBZ | Forest | 27 min |
| Aug 4, 9:25 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 65 min |
| Aug 4, 9:25 PM EDT | Special Weather Statement | PHI | Chester | 65 min |
| Aug 4, 9:26 PM EDT | Mesoscale Discussion | SPC | Beaver | 64 min |
| Aug 4, 9:36 PM EDT | Special Weather Statement | PHI | Chester | 54 min |
| Aug 4, 9:50 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Aug 4, 9:52 PM EDT | Special Weather Statement | PHI | Chester | 23 min |
| Aug 4, 10:08 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 6 hr |
| Aug 4, 10:25 PM EDT | Special Weather Statement | PHI | Montgomery | 65 min |
| Aug 4, 11:52 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Butler, Cambria and 13 more | 113 min |
| Aug 5, 3:33 AM EDT | Special Weather Statement | PHI | Northampton | 57 min |
| Aug 5, 7:38 PM EDT | Mesoscale Discussion | SPC | Armstrong, Beaver, Butler, Cameron, Clarion, Crawford and 10 more | 2 hr |
| Aug 5, 11:10 PM EDT | Special Weather Statement | PBZ | Beaver | 35 min |
| Aug 9, 2:45 PM EDT | Heat Advisory | PHI | Berks, Delaware, Philadelphia | 29 hr |
| Aug 11, 8:37 PM EDT | Special Weather Statement | PBZ | Greene | 53 min |
| Aug 11, 11:54 PM EDT | Special Weather Statement | PBZ | Lawrence, Mercer | 66 min |
| Aug 12, 12:17 AM EDT | Special Weather Statement | PBZ | Butler | 58 min |
| Aug 12, 1:08 AM EDT | Special Weather Statement | PBZ | Westmoreland | 67 min |
| Aug 12, 1:14 AM EDT | Special Weather Statement | PBZ | Butler, Lawrence | 61 min |
| Aug 12, 1:35 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Butler, Lawrence, Westmoreland | 6 hr |
| Aug 12, 6:02 AM EDT | Special Weather Statement | CTP | York | 28 min |
| Aug 12, 6:21 AM EDT | Areal Flood Advisory | BGM | Pike | 3 hr |
| Aug 12, 1:00 PM EDT | Areal Flood Advisory | BGM | Bradford, Lackawanna, Susquehanna, Wyoming | 3 hr |
| Aug 12, 1:52 PM EDT | Mesoscale Discussion | SPC | Bedford, Fayette, Franklin, Fulton, Somerset, Westmoreland | 83 min |
| Aug 12, 2:40 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Delaware, Montgomery | 96 min |
| Aug 12, 3:09 PM EDT | Special Weather Statement | PBZ | Fayette | 66 min |
| Aug 12, 3:10 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Delaware | 3 hr |
| Aug 12, 3:15 PM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, Lancaster, Lebanon, Perry, York | 3 hr |
| Aug 12, 3:20 PM EDT | Special Weather Statement | CTP | Cumberland | 40 min |
| Aug 12, 3:48 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, York | 4 hr |
| Aug 12, 4:24 PM EDT | Special Weather Statement | PBZ | Greene | 66 min |
| Aug 12, 4:40 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Sullivan | 3 hr |
| Aug 12, 8:15 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin, York | 2 hr |
| Aug 12, 8:38 PM EDT | Special Weather Statement | CTP | Adams | 22 min |
| Aug 13, 3:52 AM EDT | Coastal Flood Statement | PHI | Delaware, Philadelphia | 18 hr |
| Aug 13, 2:54 PM EDT | Coastal Flood Statement | PHI | Delaware, Philadelphia | 16 hr |
| Aug 14, 1:15 PM EDT | Mesoscale Discussion | SPC | Beaver, Lawrence | 2 hr |
| Aug 14, 6:06 PM EDT | Special Weather Statement | PBZ | Butler | 54 min |
| Aug 14, 7:04 PM EDT | Special Weather Statement | PBZ | Allegheny | 116 min |
| Aug 14, 7:31 PM EDT | Areal Flood Advisory | PBZ | Beaver, Butler, Lawrence | 3 hr |
| Aug 14, 8:10 PM EDT | Flash Flood Warning | PBZ | Beaver, Butler, Lawrence | 4 hr |
| Aug 14, 8:44 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Butler, Washington | 3 hr |
| Aug 14, 9:50 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Aug 16, 4:21 AM EDT | Special Weather Statement | CTP | Clearfield | 54 min |
| Aug 16, 5:09 AM EDT | Mesoscale Discussion | SPC | Bradford, Cameron, Clearfield, Clinton, Elk, Lackawanna and 8 more | 2 hr |
| Aug 16, 6:03 AM EDT | Special Weather Statement | CTP | Centre | 57 min |
| Aug 16, 8:40 AM EDT | Mesoscale Discussion | SPC | Bradford, Carbon, Centre, Clinton, Columbia, Dauphin and 18 more | 2 hr |
| Aug 16, 10:55 AM EDT | Special Weather Statement | BGM | Bradford | 35 min |
| Aug 16, 11:14 AM EDT | Mesoscale Discussion | SPC | Blair, Bradford, Cambria, Carbon, Centre, Clinton and 22 more | 2 hr |
| Aug 16, 12:05 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 25 more | 9 hr |
| Aug 16, 12:59 PM EDT | Special Weather Statement | CTP | Montour | 46 min |
| Aug 16, 1:20 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 55 min |
| Aug 16, 2:17 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 19 more | 88 min |
| Aug 16, 2:40 PM EDT | Special Weather Statement | CTP | Dauphin | 50 min |
| Aug 16, 2:51 PM EDT | Special Weather Statement | CTP | Franklin, Fulton | 24 min |
| Aug 16, 3:03 PM EDT | Special Weather Statement | PHI | Bucks | 57 min |
| Aug 16, 3:08 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 67 min |
| Aug 16, 3:12 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 27 min |
| Aug 16, 3:19 PM EDT | Special Weather Statement | CTP | Adams, Cumberland | 56 min |
| Aug 16, 3:24 PM EDT | Special Weather Statement | BGM | Wayne | 66 min |
| Aug 16, 3:28 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 62 min |
| Aug 16, 3:33 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 57 min |
| Aug 16, 3:43 PM EDT | Tornado Warning | CTP | Lebanon | 47 min |
| Aug 16, 3:49 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 58 min |
| Aug 16, 3:55 PM EDT | Special Weather Statement | PHI | Berks | 65 min |
| Aug 16, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 56 min |
| Aug 16, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, Lebanon, York | 63 min |
| Aug 16, 4:20 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 55 min |
| Aug 16, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 46 min |
| Aug 16, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 74 min |
| Aug 16, 5:05 PM EDT | Tornado Warning | CTP | Lancaster | 25 min |
| Aug 16, 5:13 PM EDT | Special Weather Statement | CTP | Lebanon | 32 min |
| Aug 16, 5:18 PM EDT | Special Weather Statement | CTP | Franklin | 27 min |
| Aug 16, 5:31 PM EDT | Special Weather Statement | CTP | Lancaster | 14 min |
| Aug 16, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 63 min |
| Aug 16, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 55 min |
| Aug 16, 6:44 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 61 min |
| Aug 16, 7:16 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 11 more | 59 min |
| Aug 16, 7:24 PM EDT | Special Weather Statement | CTP | Adams | 66 min |
| Aug 16, 7:39 PM EDT | Special Weather Statement | CTP | York | 66 min |
| Aug 16, 7:45 PM EDT | Special Weather Statement | PHI | Delaware | 60 min |
| Aug 16, 8:38 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Aug 16, 8:42 PM EDT | Special Weather Statement | CTP | York | 63 min |
| Aug 16, 9:08 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 67 min |
| Aug 16, 9:27 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 3 hr |
| Aug 16, 9:52 PM EDT | Special Weather Statement | PHI | Chester | 113 min |
| Aug 16, 10:12 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 63 min |
| Aug 16, 11:28 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 62 min |
| Aug 17, 12:02 AM EDT | Areal Flood Advisory | CTP | York | 3 hr |
| Aug 22, 1:00 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 60 min |
| Aug 22, 2:02 PM EDT | Special Weather Statement | PHI | Delaware | 58 min |
| Aug 22, 2:56 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 64 min |
| Aug 22, 3:11 PM EDT | Areal Flood Advisory | PHI | Delaware | 2 hr |
| Aug 22, 3:18 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 57 min |
| Aug 22, 3:19 PM EDT | Mesoscale Discussion | SPC | Bucks, Philadelphia | 56 min |
| Aug 22, 3:25 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 65 min |
| Aug 22, 3:44 PM EDT | Tornado Warning | PHI | Delaware, Philadelphia | 31 min |
| Aug 22, 4:07 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 113 min |
| Aug 22, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 65 min |
| Aug 22, 6:30 PM EDT | Special Weather Statement | PHI | Bucks | 60 min |
| Aug 26, 12:27 AM EDT | Coastal Flood Statement | PHI | Delaware, Philadelphia | 5 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 | 33 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 62 |
| Flooding | |
| Flash Flood Warning | 6 |
| Areal Flood Advisory | 18 |
| Heat | |
| Heat Advisory | 4 |
| Coast and beach | |
| Coastal Flood Statement | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- York County23
- Lancaster County21
- Delaware County19
- Dauphin County18
- Lebanon County18
- Philadelphia County16
- Adams County16
- Cumberland County15
- Butler County14
- Beaver County13
- Franklin County12
- Chester County12
- Westmoreland County11
- Berks County11
- Lawrence County10
- Perry County9
- Greene County9
- Bucks County9
- Snyder County8
- Fayette County8
- Washington County8
- Allegheny County8
- Bedford County8
- Montgomery County8
- Wayne County8
- Clarion County7
- Columbia County7
- Northumberland County7
- Schuylkill County7
- Somerset County7
- Mifflin County7
- Montour County6
- Susquehanna County6
- Northampton County6
- Cambria County6
- Fulton County6
- Juniata County6
- Lackawanna County6
- Carbon County6
- Monroe County6
27 more counties
- Clinton County5
- Lycoming County5
- Union County5
- Lehigh County5
- Armstrong County5
- Indiana County5
- Jefferson County5
- Centre County5
- Pike County5
- Bradford County5
- Wyoming County5
- Clearfield County4
- Blair County4
- Forest County4
- Mercer County4
- Sullivan County4
- Luzerne County4
- Potter County3
- Tioga County3
- Huntingdon County3
- Venango County3
- Crawford County2
- Cameron County2
- Elk County2
- McKean County2
- Erie County1
- Warren County1
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. Rebuilt daily.