Alert archive / Pennsylvania / 2001
Weather alerts in Pennsylvania, August 2001
130 weather alerts in August 2001, 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 2001. Tap one for its archive.
- Alerts
- 130
- Warnings
- 126
- Watches
- 4
- Advisories
- 0
- Busiest day
- August 19, 200127 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, 1:45 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 15 min |
| Aug 3, 9:14 AM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
| Aug 3, 8:30 PM EDT | Flash Flood Warning | CTP | Dauphin | 3 hr |
| Aug 4, 5:43 AM EDT | Flash Flood Warning | PBZ | Fayette, Westmoreland | 4 hr |
| Aug 4, 4:26 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 19 min |
| Aug 4, 4:53 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 22 min |
| Aug 4, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 24 min |
| Aug 4, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 35 min |
| Aug 4, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 30 min |
| Aug 4, 6:19 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 41 min |
| Aug 4, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 66 min |
| Aug 4, 7:19 PM EDT | Flash Flood Warning | PHI | Bucks, Philadelphia | 3 hr |
| Aug 4, 7:29 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 61 min |
| Aug 8, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 32 min |
| Aug 8, 7:27 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 63 min |
| Aug 9, 6:46 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 44 min |
| Aug 10, 12:25 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 65 min |
| Aug 10, 12:45 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 15 more | 7 hr |
| Aug 10, 1:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 32 min |
| Aug 10, 1:21 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 24 min |
| Aug 10, 1:39 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 66 min |
| Aug 10, 1:45 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 30 min |
| Aug 10, 2:11 PM EDT | Flash Flood Warning | CTP | Lancaster, Lebanon | 3 hr |
| Aug 10, 2:14 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 61 min |
| Aug 10, 5:02 PM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Aug 11, 10:17 AM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Aug 11, 11:20 AM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Aug 11, 11:35 AM EDT | Flash Flood Warning | PHI | Lehigh | 3 hr |
| Aug 11, 12:45 PM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Aug 11, 12:55 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Aug 11, 2:45 PM EDT | Flash Flood Warning | PHI | Lehigh | 90 min |
| Aug 12, 5:37 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 3 hr |
| Aug 12, 6:21 PM EDT | Flash Flood Warning | PHI | Montgomery | 3 hr |
| Aug 12, 6:57 PM EDT | Flash Flood Warning | PHI | Chester | 2 hr |
| Aug 12, 9:05 PM EDT | Flash Flood Warning | PHI | Chester | 115 min |
| Aug 13, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 58 min |
| Aug 13, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | York | 55 min |
| Aug 14, 12:29 AM EDT | Flash Flood Warning | CTP | Dauphin, Perry | 3 hr |
| Aug 16, 4:11 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 34 min |
| Aug 16, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 39 min |
| Aug 16, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 59 min |
| Aug 16, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 44 min |
| Aug 16, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 66 min |
| Aug 16, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 47 min |
| Aug 16, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 60 min |
| Aug 16, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 54 min |
| Aug 16, 7:49 PM EDT | Tornado Warning | CTP | Clearfield | 26 min |
| Aug 16, 8:12 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 63 min |
| Aug 16, 8:13 PM EDT | Tornado Warning | CTP | Clearfield | 32 min |
| Aug 16, 8:45 PM EDT | Tornado Warning | CTP | Cameron, Clinton | 30 min |
| Aug 16, 9:19 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 56 min |
| Aug 16, 9:34 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 41 min |
| Aug 16, 9:59 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 61 min |
| Aug 19, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 23 more | 5 hr |
| Aug 19, 3:32 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 43 min |
| Aug 19, 3:33 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 57 min |
| Aug 19, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 54 min |
| Aug 19, 3:39 PM EDT | Tornado Warning | PBZ | Forest | 51 min |
| Aug 19, 3:54 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 36 min |
| Aug 19, 3:55 PM EDT | Tornado Warning | CTP | Elk | 50 min |
| Aug 19, 3:57 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 63 min |
| Aug 19, 4:07 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 53 min |
| Aug 19, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 31 min |
| Aug 19, 4:18 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 57 min |
| Aug 19, 4:20 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 70 min |
| Aug 19, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 19 min |
| Aug 19, 4:43 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 62 min |
| Aug 19, 4:56 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
| Aug 19, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 53 min |
| Aug 19, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 65 min |
| Aug 19, 5:29 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 46 min |
| Aug 19, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 48 min |
| Aug 19, 6:15 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Clinton, Columbia, Dauphin, Juniata, Luzerne and 12 more | 4 hr |
| Aug 19, 6:20 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 55 min |
| Aug 19, 6:24 PM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
| Aug 19, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Union | 46 min |
| Aug 19, 6:45 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 45 min |
| Aug 19, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 24 min |
| Aug 19, 7:30 PM EDT | Severe Thunderstorm Warning | CTP | Union | 60 min |
| Aug 19, 7:55 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland | 35 min |
| Aug 19, 8:36 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 69 min |
| Aug 19, 9:35 PM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Aug 26, 2:03 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 57 min |
| Aug 26, 6:54 PM EDT | Tornado Warning | CTP | Potter | 36 min |
| Aug 26, 7:52 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 53 min |
| Aug 26, 8:07 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 53 min |
| Aug 26, 9:00 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 60 min |
| Aug 28, 11:19 AM EDT | Severe Thunderstorm Warning | CTP | Potter | 56 min |
| Aug 28, 11:50 AM EDT | Severe Thunderstorm Warning | CTP | Tioga | 55 min |
| Aug 28, 12:08 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 67 min |
| Aug 28, 1:11 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 64 min |
| Aug 28, 1:39 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 66 min |
| Aug 28, 1:53 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 52 min |
| Aug 28, 1:57 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 78 min |
| Aug 28, 2:19 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 56 min |
| Aug 28, 2:19 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 26 min |
| Aug 28, 2:41 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 64 min |
| Aug 28, 2:49 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 56 min |
| Aug 28, 3:07 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 53 min |
| Aug 28, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 58 min |
| Aug 28, 3:21 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 69 min |
| Aug 28, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 39 min |
| Aug 28, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 73 min |
| Aug 28, 3:48 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 42 min |
| Aug 28, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 38 min |
| Aug 28, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 65 min |
| Aug 28, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 60 min |
| Aug 28, 4:40 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 50 min |
| Aug 28, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 47 min |
| Aug 28, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 26 min |
| Aug 28, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 41 min |
| Aug 28, 6:15 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 60 min |
| Aug 30, 8:15 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 60 min |
| Aug 31, 8:13 AM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
| Aug 31, 10:50 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 70 min |
| Aug 31, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 63 min |
| Aug 31, 2:54 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 66 min |
| Aug 31, 3:11 PM EDT | Severe Thunderstorm Warning | CTP | York | 64 min |
| Aug 31, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bradford, Carbon, Columbia, Dauphin, Juniata and 18 more | 6 hr |
| Aug 31, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 62 min |
| Aug 31, 4:03 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 72 min |
| Aug 31, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 78 min |
| Aug 31, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 59 min |
| Aug 31, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 55 min |
| Aug 31, 5:41 PM EDT | Severe Thunderstorm Warning | CTP | Snyder, Union | 34 min |
| Aug 31, 5:42 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 78 min |
| Aug 31, 6:47 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 28 min |
| Aug 31, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 31 min |
| Aug 31, 7:06 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 24 min |
| Aug 31, 7:25 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 50 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 | 100 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 4 |
| Flooding | |
| Flash Flood Warning | 20 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clearfield County9
- Lancaster County8
- Clinton County8
- Berks County7
- Dauphin County7
- Lebanon County7
- Perry County7
- Centre County7
- Lycoming County7
- Potter County6
- Tioga County6
- Lehigh County5
- Schuylkill County5
- Franklin County5
- Bucks County5
- Washington County5
- Blair County5
- Cambria County5
- Northumberland County5
- Union County5
- Fayette County4
- Westmoreland County4
- Mifflin County4
- Beaver County4
- York County4
- Indiana County4
- Montour County4
- Erie County3
- Montgomery County3
- Carbon County3
- Chester County3
- Fulton County3
- Jefferson County3
- Elk County3
- Allegheny County3
- Bedford County3
- Forest County3
- Huntingdon County3
- McKean County3
- Somerset County3
27 more counties
- Bradford County3
- Columbia County3
- Snyder County3
- Philadelphia County2
- Adams County2
- Monroe County2
- Northampton County2
- Pike County2
- Cameron County2
- Armstrong County2
- Butler County2
- Clarion County2
- Venango County2
- Juniata County2
- Luzerne County2
- Sullivan County2
- Susquehanna County2
- Wyoming County2
- Cumberland County1
- Delaware County1
- Crawford County1
- Greene County1
- Lawrence County1
- Mercer County1
- Warren County1
- Lackawanna County1
- Wayne County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.