Alert archive / Pennsylvania / 2017
Weather alerts in Pennsylvania, April 2017
159 weather alerts in April 2017, 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 April 2017. Tap one for its archive.
- Alerts
- 159
- Warnings
- 43
- Watches
- 4
- Advisories
- 22
- Busiest day
- April 20, 201734 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 |
|---|---|---|---|---|
| Apr 1, 2:38 PM EDT | River Flood Warning | BGM | Susquehanna | 29 hr |
| Apr 1, 6:04 PM EDT | River Flood Advisory | PBZ | Allegheny | 23 hr |
| Apr 2, 3:24 PM EDT | Flood Watch | PHI | Carbon, Monroe, Northampton | 36 hr |
| Apr 3, 2:36 PM EDT | Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 4 days |
| Apr 4, 2:52 AM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Apr 4, 11:19 AM EDT | Wind Advisory | CLE | Erie | 8 hr |
| Apr 4, 3:09 PM EDT | Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 54 hr |
| Apr 5, 10:54 AM EDT | River Flood Advisory | PBZ | Allegheny | 4 days |
| Apr 5, 3:53 PM EDT | River Flood Warning | BGM | Susquehanna | 4 days |
| Apr 6, 3:12 AM EDT | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 35 hr |
| Apr 6, 3:34 AM EDT | Winter Weather Advisory | CTP | Somerset, Warren | 34 hr |
| Apr 6, 11:55 AM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne | 3 hr |
| Apr 6, 11:58 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Chester, Lehigh, Monroe, Montgomery and 1 more | 4 hr |
| Apr 6, 12:18 PM EDT | Mesoscale Discussion | SPC | Chester, Delaware, Philadelphia | 57 min |
| Apr 6, 12:22 PM EDT | Special Weather Statement | CTP | Franklin | 38 min |
| Apr 6, 12:45 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Apr 6, 1:19 PM EDT | Areal Flood Advisory | CTP | Blair, Huntingdon, Mifflin | 3 hr |
| Apr 6, 1:21 PM EDT | Special Weather Statement | CTP | Adams, Cumberland, York | 54 min |
| Apr 6, 1:24 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more | 3 hr |
| Apr 6, 1:53 PM EDT | Winter Weather Advisory | CLE | Crawford, Erie | 21 hr |
| Apr 6, 2:07 PM EDT | Special Weather Statement | PHI | Bucks, Delaware, Montgomery, Philadelphia | 53 min |
| Apr 6, 2:29 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Apr 6, 2:47 PM EDT | Special Weather Statement | CTP | Lancaster | 73 min |
| Apr 6, 2:56 PM EDT | Special Weather Statement | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 64 min |
| Apr 6, 2:57 PM EDT | Areal Flood Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 3 hr |
| Apr 6, 3:12 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 63 min |
| Apr 6, 3:27 PM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Huntingdon, Juniata, Mifflin, Perry | 3 hr |
| Apr 6, 3:54 PM EDT | River Flood Warning | BGM | Bradford | 68 hr |
| Apr 6, 4:02 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Chester, Lehigh, Monroe, Montgomery and 1 more | 6 hr |
| Apr 6, 4:26 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Monroe, Northampton | 4 hr |
| Apr 6, 5:59 PM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna, Wyoming | 2 hr |
| Apr 6, 6:04 PM EDT | Areal Flood Advisory | BGM | Wayne | 116 min |
| Apr 6, 7:43 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Schuylkill, Snyder and 3 more | 3 hr |
| Apr 6, 7:53 PM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna, Wyoming | 112 min |
| Apr 6, 9:18 PM EDT | River Flood Warning | BGM | Bradford | 36 hr |
| Apr 6, 9:18 PM EDT | River Flood Warning | BGM | Wyoming | 44 hr |
| Apr 6, 9:18 PM EDT | River Flood Warning | BGM | Luzerne | 50 hr |
| Apr 6, 9:59 PM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 23 hr |
| Apr 7, 4:55 AM EDT | River Flood Warning | CTP | Dauphin, Lebanon | 22 hr |
| Apr 7, 9:04 PM EDT | River Flood Warning | CTP | Dauphin | 24 hr |
| Apr 16, 2:15 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 31 more | 3 hr |
| Apr 16, 3:06 PM EDT | Special Weather Statement | PBZ | Mercer | 39 min |
| Apr 16, 3:24 PM EDT | Special Weather Statement | CTP | Tioga | 51 min |
| Apr 16, 3:39 PM EDT | Special Weather Statement | PBZ | Lawrence | 51 min |
| Apr 16, 3:49 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 41 min |
| Apr 16, 3:56 PM EDT | Special Weather Statement | CTP | Cameron, Elk, Potter | 34 min |
| Apr 16, 4:34 PM EDT | Special Weather Statement | PBZ | Armstrong | 41 min |
| Apr 16, 4:41 PM EDT | Special Weather Statement | CTP | Cameron, Clearfield | 34 min |
| Apr 16, 4:43 PM EDT | Special Weather Statement | CTP | Tioga | 32 min |
| Apr 16, 4:54 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 51 min |
| Apr 16, 5:03 PM EDT | Special Weather Statement | PBZ | Washington | 42 min |
| Apr 16, 5:08 PM EDT | Special Weather Statement | PBZ | Armstrong | 52 min |
| Apr 16, 5:17 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 58 min |
| Apr 16, 5:24 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 51 min |
| Apr 16, 5:24 PM EDT | Special Weather Statement | PBZ | Allegheny | 36 min |
| Apr 16, 5:40 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 65 min |
| Apr 16, 5:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Westmoreland | 35 min |
| Apr 16, 5:47 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 43 min |
| Apr 16, 5:48 PM EDT | Special Weather Statement | CTP | Clinton, Lycoming | 27 min |
| Apr 16, 5:53 PM EDT | Special Weather Statement | BGM | Lackawanna, Luzerne, Pike, Wayne | 67 min |
| Apr 16, 6:03 PM EDT | Special Weather Statement | CTP | Cambria | 27 min |
| Apr 16, 6:08 PM EDT | Special Weather Statement | CTP | Clinton | 37 min |
| Apr 16, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 45 min |
| Apr 16, 6:21 PM EDT | Special Weather Statement | CTP | Cambria | 24 min |
| Apr 16, 6:32 PM EDT | Special Weather Statement | CTP | Blair | 28 min |
| Apr 16, 6:33 PM EDT | Special Weather Statement | PHI | Monroe | 57 min |
| Apr 16, 6:38 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield, Huntingdon | 20 min |
| Apr 16, 6:49 PM EDT | Special Weather Statement | PBZ | Fayette | 41 min |
| Apr 16, 6:53 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 52 min |
| Apr 16, 7:33 PM EDT | Special Weather Statement | CTP | Somerset | 27 min |
| Apr 19, 8:18 PM EDT | Special Weather Statement | PBZ | Lawrence | 42 min |
| Apr 19, 10:03 PM EDT | Special Weather Statement | PBZ | Allegheny, Beaver | 42 min |
| Apr 20, 12:29 PM EDT | Special Weather Statement | PBZ | Allegheny | 31 min |
| Apr 20, 12:41 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 49 min |
| Apr 20, 1:29 PM EDT | Special Weather Statement | PBZ | Westmoreland | 61 min |
| Apr 20, 1:38 PM EDT | Special Weather Statement | PBZ | Beaver | 52 min |
| Apr 20, 1:40 PM EDT | Special Weather Statement | CTP | Fulton | 35 min |
| Apr 20, 2:12 PM EDT | Special Weather Statement | CTP | Franklin | 33 min |
| Apr 20, 2:16 PM EDT | Special Weather Statement | PBZ | Westmoreland | 29 min |
| Apr 20, 2:27 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 48 min |
| Apr 20, 2:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Westmoreland | 47 min |
| Apr 20, 2:40 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 20 more | 65 min |
| Apr 20, 3:04 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 41 min |
| Apr 20, 3:14 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 46 min |
| Apr 20, 3:23 PM EDT | Special Weather Statement | CTP | Cambria, Somerset | 52 min |
| Apr 20, 3:51 PM EDT | Special Weather Statement | CTP | Huntingdon | 39 min |
| Apr 20, 3:58 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 17 min |
| Apr 20, 4:03 PM EDT | Special Weather Statement | CTP | Elk | 27 min |
| Apr 20, 4:06 PM EDT | Special Weather Statement | CTP | Bedford | 54 min |
| Apr 20, 4:52 PM EDT | Special Weather Statement | CTP | Franklin, Fulton | 53 min |
| Apr 20, 5:18 PM EDT | Special Weather Statement | CTP | McKean | 57 min |
| Apr 20, 5:30 PM EDT | Special Weather Statement | CTP | Clinton | 60 min |
| Apr 20, 6:02 PM EDT | Special Weather Statement | CTP | Franklin | 28 min |
| Apr 20, 6:05 PM EDT | Special Weather Statement | CLE | Crawford | 40 min |
| Apr 20, 6:21 PM EDT | Special Weather Statement | CLE | Crawford | 24 min |
| Apr 20, 6:28 PM EDT | Special Weather Statement | CTP | Warren | 62 min |
| Apr 20, 6:33 PM EDT | Special Weather Statement | CTP | Adams | 27 min |
| Apr 20, 6:37 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 38 min |
| Apr 20, 6:50 PM EDT | Special Weather Statement | BGM | Bradford | 40 min |
| Apr 20, 7:07 PM EDT | Special Weather Statement | BGM | Bradford | 38 min |
| Apr 20, 7:08 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 67 min |
| Apr 20, 7:22 PM EDT | Special Weather Statement | CTP | Adams | 38 min |
| Apr 20, 7:39 PM EDT | Special Weather Statement | BGM | Susquehanna | 51 min |
| Apr 20, 7:55 PM EDT | Tornado Warning | CTP | Warren | 35 min |
| Apr 20, 8:27 PM EDT | Special Weather Statement | PBZ | Venango | 33 min |
| Apr 20, 8:29 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 31 min |
| Apr 20, 8:40 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 50 min |
| Apr 20, 9:11 PM EDT | Special Weather Statement | CTP | Elk, McKean | 34 min |
| Apr 20, 9:15 PM EDT | Special Weather Statement | PBZ | Greene | 30 min |
| Apr 20, 9:38 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 22 min |
| Apr 20, 9:41 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 34 min |
| Apr 20, 10:13 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter | 62 min |
| Apr 20, 10:28 PM EDT | Special Weather Statement | CTP | Potter, Tioga | 32 min |
| Apr 27, 5:27 PM EDT | Special Weather Statement | CLE | Erie | 48 min |
| Apr 27, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 47 min |
| Apr 27, 6:07 PM EDT | Special Weather Statement | CTP | Bedford, Cambria | 38 min |
| Apr 27, 6:17 PM EDT | Special Weather Statement | CLE | Crawford | 43 min |
| Apr 27, 6:36 PM EDT | Special Weather Statement | CLE | Erie | 39 min |
| Apr 27, 6:40 PM EDT | Special Weather Statement | CTP | Blair | 35 min |
| Apr 27, 7:41 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 34 min |
| Apr 27, 8:15 PM EDT | Special Weather Statement | CTP | Warren | 30 min |
| Apr 27, 8:19 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 41 min |
| Apr 27, 8:55 PM EDT | Special Weather Statement | CTP | Fulton | 50 min |
| Apr 27, 8:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 46 min |
| Apr 27, 9:15 PM EDT | Special Weather Statement | PBZ | Westmoreland | 60 min |
| Apr 27, 10:39 PM EDT | Special Weather Statement | CTP | Lycoming | 66 min |
| Apr 27, 10:46 PM EDT | Special Weather Statement | BGM | Bradford | 44 min |
| Apr 29, 2:20 AM EDT | Special Weather Statement | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 70 min |
| Apr 29, 2:48 AM EDT | Special Weather Statement | CTP | Adams, Dauphin, Lancaster, Lebanon, York | 72 min |
| Apr 29, 3:12 AM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Apr 29, 3:20 AM EDT | Special Weather Statement | PHI | Berks, Lehigh, Northampton | 40 min |
| Apr 29, 3:38 AM EDT | Special Weather Statement | CTP | Lancaster | 37 min |
| Apr 29, 3:51 AM EDT | Special Weather Statement | PHI | Berks, Bucks, Chester, Delaware, Montgomery | 39 min |
| Apr 29, 4:14 AM EDT | Special Weather Statement | PHI | Bucks | 46 min |
| Apr 29, 4:20 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery, Philadelphia | 40 min |
| Apr 29, 4:22 AM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 38 min |
| Apr 29, 4:29 AM EDT | Areal Flood Advisory | PHI | Bucks | 4 hr |
| Apr 29, 4:32 AM EDT | Severe Thunderstorm Warning | PHI | Bucks | 43 min |
| Apr 30, 6:44 AM EDT | Special Weather Statement | CTP | Clinton | 31 min |
| Apr 30, 6:52 AM EDT | Special Weather Statement | CTP | Clinton | 38 min |
| Apr 30, 12:58 PM EDT | Special Weather Statement | PBZ | Butler | 32 min |
| Apr 30, 2:58 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 10 more | 2 hr |
| Apr 30, 3:25 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Franklin, Fulton | 95 min |
| Apr 30, 4:28 PM EDT | Special Weather Statement | CLE | Crawford | 62 min |
| Apr 30, 4:41 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 35 min |
| Apr 30, 4:46 PM EDT | Special Weather Statement | CTP | Blair, Cambria | 29 min |
| Apr 30, 4:53 PM EDT | Special Weather Statement | PBZ | Butler | 37 min |
| Apr 30, 4:54 PM EDT | Special Weather Statement | CLE | Erie | 51 min |
| Apr 30, 5:15 PM EDT | Special Weather Statement | CTP | Clearfield | 60 min |
| Apr 30, 5:28 PM EDT | Special Weather Statement | CTP | Blair | 62 min |
| Apr 30, 5:46 PM EDT | Special Weather Statement | PBZ | Forest | 29 min |
| Apr 30, 5:49 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 56 min |
| Apr 30, 5:50 PM EDT | Special Weather Statement | CTP | Warren | 25 min |
| Apr 30, 6:11 PM EDT | Special Weather Statement | CTP | Huntingdon | 34 min |
| Apr 30, 6:17 PM EDT | Special Weather Statement | CTP | McKean | 28 min |
| Apr 30, 6:19 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 56 min |
| Apr 30, 6:47 PM EDT | Special Weather Statement | CTP | McKean | 28 min |
| Apr 30, 6:48 PM EDT | Special Weather Statement | CTP | Mifflin | 27 min |
| Apr 30, 7:10 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 65 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 | 33 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 84 |
| Flooding | |
| River Flood Warning | 9 |
| Flood Watch | 3 |
| Areal Flood Advisory | 16 |
| River Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County13
- Bucks County12
- Westmoreland County12
- Bradford County11
- Susquehanna County10
- Montgomery County10
- Chester County9
- Delaware County9
- Philadelphia County9
- Blair County9
- Crawford County9
- Butler County9
- Warren County8
- Huntingdon County8
- Clinton County8
- Armstrong County8
- Cambria County8
- Elk County8
- Washington County8
- Wayne County7
- Erie County7
- Berks County7
- Fayette County7
- Franklin County7
- Adams County7
- Beaver County7
- Clarion County7
- Clearfield County7
- Greene County7
- McKean County7
- Monroe County6
- Northampton County6
- Wyoming County6
- Forest County6
- Lawrence County6
- Venango County6
- Luzerne County5
- Lehigh County5
- Somerset County5
- Dauphin County5
27 more counties
- Lancaster County5
- Lebanon County5
- Tioga County5
- Cameron County5
- Indiana County5
- Jefferson County5
- Mercer County5
- Potter County5
- Fulton County5
- Carbon County4
- Lackawanna County4
- Pike County4
- Mifflin County4
- York County4
- Lycoming County4
- Bedford County4
- Cumberland County3
- Perry County3
- Schuylkill County3
- Centre County3
- Montour County2
- Sullivan County2
- Union County2
- Juniata County1
- Columbia County1
- Northumberland County1
- Snyder County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.