Alert archive / Pennsylvania / 2007
Weather alerts in Pennsylvania, July 2007
138 weather alerts in July 2007, 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 July 2007. Tap one for its archive.
- Alerts
- 138
- Warnings
- 96
- Watches
- 10
- Advisories
- 8
- Busiest day
- July 5, 200726 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 |
|---|---|---|---|---|
| Jul 4, 1:27 PM EDT | Mesoscale Discussion | SPC | Greene | 63 min |
| Jul 4, 1:41 PM EDT | Tornado Watch | SPC | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 7 hr |
| Jul 4, 2:06 PM EDT | Tornado Watch | SPC | Adams, Bedford, Berks, Bucks, Carbon, Chester and 17 more | 8 hr |
| Jul 4, 4:13 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bucks, Carbon, Chester and 21 more | 62 min |
| Jul 4, 5:58 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 32 min |
| Jul 4, 6:52 PM EDT | Tornado Warning | CTP | Dauphin | 23 min |
| Jul 4, 8:22 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 38 min |
| Jul 4, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 58 min |
| Jul 5, 12:22 AM EDT | Flash Flood Warning | PHI | Lehigh, Northampton | 4 hr |
| Jul 5, 12:25 AM EDT | Flash Flood Warning | PHI | Lehigh, Northampton | 4 hr |
| Jul 5, 11:40 AM EDT | Mesoscale Discussion | SPC | Allegheny, Bedford, Blair, Cambria, Fayette, Fulton and 6 more | 2 hr |
| Jul 5, 11:45 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Butler, Westmoreland | 3 hr |
| Jul 5, 12:16 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver | 3 hr |
| Jul 5, 12:17 PM EDT | Mesoscale Discussion | SPC | McKean, Warren | 118 min |
| Jul 5, 12:41 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 2 hr |
| Jul 5, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Cameron, Clarion, Clinton, Crawford, Elk and 16 more | 7 hr |
| Jul 5, 1:19 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana | 3 hr |
| Jul 5, 1:47 PM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Jul 5, 2:25 PM EDT | Areal Flood Advisory | CLE | Crawford | 106 min |
| Jul 5, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 47 min |
| Jul 5, 2:50 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 5, 3:11 PM EDT | Areal Flood Warning | PBZ | Allegheny, Beaver | 3 hr |
| Jul 5, 3:14 PM EDT | Areal Flood Advisory | PBZ | Westmoreland | 3 hr |
| Jul 5, 3:23 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 37 min |
| Jul 5, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 66 min |
| Jul 5, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 54 min |
| Jul 5, 3:37 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 53 min |
| Jul 5, 3:40 PM EDT | Flash Flood Warning | CTP | Dauphin | 3 hr |
| Jul 5, 3:58 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 21 min |
| Jul 5, 4:13 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Jul 5, 4:50 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 21 min |
| Jul 5, 6:45 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 45 min |
| Jul 6, 3:50 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 3 hr |
| Jul 6, 2:10 PM EDT | Excessive Heat Watch | PHI | Delaware, Philadelphia | 48 hr |
| Jul 6, 6:24 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 32 min |
| Jul 6, 7:05 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 37 min |
| Jul 6, 7:27 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 28 min |
| Jul 8, 4:58 AM EDT | Heat Advisory | PHI | Delaware, Philadelphia | 9 hr |
| Jul 8, 2:27 PM EDT | Excessive Heat Warning | PHI | Delaware, Philadelphia | 52 hr |
| Jul 8, 7:21 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 27 min |
| Jul 8, 7:27 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 41 min |
| Jul 9, 4:05 AM EDT | Heat Advisory | PHI | Berks, Lehigh, Northampton | 15 hr |
| Jul 9, 1:18 PM EDT | Heat Advisory | BGM | Bradford, Lackawanna, Luzerne, Wyoming | 7 hr |
| Jul 9, 1:25 PM EDT | Mesoscale Discussion | SPC | McKean | 95 min |
| Jul 10, 1:11 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 64 min |
| Jul 10, 2:08 PM EDT | Severe Thunderstorm Warning | CTP | York | 37 min |
| Jul 10, 2:20 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Jul 10, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 61 min |
| Jul 10, 3:50 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 55 min |
| Jul 10, 3:53 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 40 min |
| Jul 10, 4:48 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 42 min |
| Jul 11, 1:59 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bradford, Bucks, Carbon, Centre and 33 more | 91 min |
| Jul 13, 2:32 PM EDT | Mesoscale Discussion | SPC | Fayette, Greene, Washington, Westmoreland | 58 min |
| Jul 13, 6:09 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 58 min |
| Jul 13, 7:00 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 45 min |
| Jul 15, 10:40 AM EDT | Mesoscale Discussion | SPC | Pike | 2 hr |
| Jul 15, 11:17 AM EDT | Mesoscale Discussion | SPC | Bradford, Susquehanna, Tioga | 58 min |
| Jul 15, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 4 hr |
| Jul 15, 1:21 PM EDT | Mesoscale Discussion | SPC | Allegheny, Bedford, Blair, Cambria, Centre, Clearfield and 16 more | 84 min |
| Jul 15, 2:56 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 34 min |
| Jul 15, 4:48 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 42 min |
| Jul 16, 7:53 PM EDT | Mesoscale Discussion | SPC | Chester, Lancaster, York | 97 min |
| Jul 16, 10:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 45 min |
| Jul 17, 7:47 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 28 min |
| Jul 17, 8:16 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 44 min |
| Jul 18, 1:56 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Chester, Cumberland, Dauphin and 13 more | 64 min |
| Jul 18, 2:20 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 40 min |
| Jul 18, 10:03 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 44 min |
| Jul 18, 10:59 PM EDT | Severe Thunderstorm Watch | SPC | Crawford, Erie | 6 hr |
| Jul 19, 12:26 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 64 min |
| Jul 19, 3:40 AM EDT | Flash Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 17 hr |
| Jul 19, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Dauphin and 10 more | 8 hr |
| Jul 19, 4:32 PM EDT | Mesoscale Discussion | SPC | Crawford, Erie, Forest, McKean, Warren | 88 min |
| Jul 19, 6:27 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Delaware and 8 more | 93 min |
| Jul 19, 7:15 PM EDT | Mesoscale Discussion | SPC | Crawford, Erie, Lawrence, Mercer | 90 min |
| Jul 20, 2:51 AM EDT | Lakeshore Flood Statement | CLE | Erie | 17 hr |
| Jul 24, 12:37 PM EDT | Mesoscale Discussion | SPC | Greene, Washington | 83 min |
| Jul 25, 1:03 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more | 87 min |
| Jul 25, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 33 min |
| Jul 26, 1:35 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 3 more | 115 min |
| Jul 26, 2:08 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 67 min |
| Jul 26, 2:44 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 61 min |
| Jul 26, 2:57 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland, Schuylkill | 63 min |
| Jul 26, 3:17 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 18 min |
| Jul 26, 4:45 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more | 90 min |
| Jul 26, 4:50 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 25 min |
| Jul 26, 7:06 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 39 min |
| Jul 26, 7:44 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 76 min |
| Jul 27, 12:09 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bradford, Carbon and 31 more | 96 min |
| Jul 27, 12:33 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 42 min |
| Jul 27, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Bradford, Cambria, Cameron and 30 more | 7 hr |
| Jul 27, 1:35 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 40 min |
| Jul 27, 3:16 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Bradford, Cambria, Cameron and 30 more | 89 min |
| Jul 27, 4:44 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 31 min |
| Jul 27, 5:03 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 42 min |
| Jul 27, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 75 min |
| Jul 27, 5:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 84 min |
| Jul 27, 5:50 PM EDT | Flash Flood Watch | BGM | Pike, Wayne | 10 hr |
| Jul 27, 6:04 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia and 1 more | 86 min |
| Jul 27, 6:11 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 34 min |
| Jul 27, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 93 min |
| Jul 27, 7:20 PM EDT | Flash Flood Warning | BGM | Pike | 3 hr |
| Jul 27, 7:31 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 59 min |
| Jul 27, 8:20 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 55 min |
| Jul 27, 9:44 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 46 min |
| Jul 27, 10:13 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 46 min |
| Jul 27, 11:00 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 75 min |
| Jul 28, 12:25 AM EDT | Severe Thunderstorm Warning | BGM | Bradford | 65 min |
| Jul 28, 5:08 PM EDT | Severe Thunderstorm Warning | CTP | York | 67 min |
| Jul 28, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 63 min |
| Jul 28, 7:24 PM EDT | Flash Flood Warning | PBZ | Venango | 2 hr |
| Jul 28, 7:47 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 46 min |
| Jul 29, 2:33 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 27 min |
| Jul 29, 4:07 AM EDT | Severe Thunderstorm Warning | PHI | Berks | 53 min |
| Jul 29, 5:52 AM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Jul 29, 8:13 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Jul 29, 8:41 AM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Jul 29, 9:28 AM EDT | Flash Flood Warning | PHI | Chester | 2 hr |
| Jul 29, 9:56 AM EDT | Flash Flood Warning | PHI | Lehigh, Northampton | 2 hr |
| Jul 29, 10:22 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 53 min |
| Jul 29, 10:50 AM EDT | Flash Flood Warning | PHI | Berks | 115 min |
| Jul 29, 12:15 PM EDT | Mesoscale Discussion | SPC | Delaware, Philadelphia | 2 hr |
| Jul 29, 12:19 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 56 min |
| Jul 29, 12:25 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 29, 2:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 57 min |
| Jul 29, 3:23 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 44 min |
| Jul 29, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 44 min |
| Jul 29, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Union | 58 min |
| Jul 29, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 53 min |
| Jul 29, 6:10 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 65 min |
| Jul 29, 6:16 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 59 min |
| Jul 29, 6:53 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 67 min |
| Jul 29, 7:14 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 46 min |
| Jul 29, 7:51 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 54 min |
| Jul 29, 8:00 PM EDT | Flash Flood Warning | CTP | Cumberland | 3 hr |
| Jul 29, 8:25 PM EDT | Flash Flood Warning | CTP | Dauphin, Lebanon | 4 hr |
| Jul 29, 8:46 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 74 min |
| Jul 29, 9:00 PM EDT | Areal Flood Advisory | PBZ | Indiana | 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 | |
| Severe Thunderstorm Warning | 75 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 23 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 18 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Lakeshore Flood Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lancaster County20
- Dauphin County16
- Northampton County14
- York County14
- Greene County13
- Berks County13
- Lehigh County13
- Allegheny County12
- Washington County12
- Westmoreland County12
- Chester County12
- Franklin County12
- Lebanon County12
- Fayette County11
- Cumberland County11
- Delaware County11
- Perry County11
- Philadelphia County11
- Pike County11
- Beaver County10
- Bradford County10
- Susquehanna County10
- Adams County9
- Monroe County9
- Schuylkill County9
- Luzerne County9
- Bucks County8
- Fulton County8
- Somerset County8
- Huntingdon County8
- Butler County8
- Crawford County8
- Lackawanna County8
- Tioga County8
- Wayne County8
- Wyoming County8
- Lawrence County8
- Bedford County7
- Juniata County7
- Montgomery County7
27 more counties
- Mercer County7
- Armstrong County7
- Carbon County6
- Indiana County6
- McKean County6
- Clinton County6
- Erie County6
- Venango County6
- Centre County6
- Mifflin County6
- Northumberland County6
- Blair County5
- Clarion County5
- Lycoming County5
- Sullivan County5
- Columbia County5
- Snyder County5
- Union County5
- Cambria County4
- Warren County4
- Forest County4
- Montour County4
- Cameron County3
- Potter County3
- Clearfield County3
- Jefferson County2
- Elk County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.