Alert archive / Pennsylvania / 2017
Weather alerts in Pennsylvania, November 2017
64 weather alerts in November 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 November 2017. Tap one for its archive.
- Alerts
- 64
- Warnings
- 20
- Watches
- 6
- Advisories
- 13
- Busiest day
- November 6, 201719 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 |
|---|---|---|---|---|
| Nov 3, 2:39 AM EDT | Special Weather Statement | CTP | Warren | 36 min |
| Nov 5, 2:08 AM EST | Flash Flood Watch | CLE | Crawford, Erie | 25 hr |
| Nov 5, 3:05 AM EST | Flash Flood Watch | PBZ | Beaver, Forest, Lawrence, Mercer, Venango | 25 hr |
| Nov 5, 3:32 AM EST | Special Weather Statement | PBZ | Beaver | 28 min |
| Nov 5, 5:37 AM EST | Flood Watch | CTP | McKean, Warren | 15 hr |
| Nov 5, 9:38 AM EST | Special Weather Statement | CTP | Clearfield | 52 min |
| Nov 5, 9:48 AM EST | Special Weather Statement | CTP | McKean, Warren | 57 min |
| Nov 5, 11:02 AM EST | Special Weather Statement | CTP | Warren | 43 min |
| Nov 5, 4:51 PM EST | Mesoscale Discussion | SPC | Beaver, Crawford, Lawrence, Mercer | 114 min |
| Nov 5, 5:28 PM EST | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 8 more | 5 hr |
| Nov 5, 6:22 PM EST | Flash Flood Warning | CLE | Erie | 5 hr |
| Nov 5, 6:31 PM EST | Severe Thunderstorm Warning | CLE | Erie | 59 min |
| Nov 5, 6:40 PM EST | Tornado Warning | CLE | Erie | 35 min |
| Nov 5, 6:46 PM EST | Severe Thunderstorm Warning | CLE | Crawford | 59 min |
| Nov 5, 6:46 PM EST | Severe Thunderstorm Warning | PBZ | Mercer | 44 min |
| Nov 5, 6:55 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Washington | 65 min |
| Nov 5, 7:06 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 84 min |
| Nov 5, 7:17 PM EST | Tornado Warning | PBZ | Beaver | 28 min |
| Nov 5, 7:26 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Mercer, Venango | 64 min |
| Nov 5, 7:27 PM EST | Severe Thunderstorm Warning | CTP | Warren | 63 min |
| Nov 5, 7:28 PM EST | Severe Thunderstorm Warning | CLE | Erie | 32 min |
| Nov 5, 7:37 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Beaver, Butler, Indiana, Jefferson | 53 min |
| Nov 5, 7:57 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Westmoreland | 34 min |
| Nov 5, 8:00 PM EST | Special Weather Statement | CTP | Elk, McKean | 45 min |
| Nov 5, 8:10 PM EST | Severe Thunderstorm Warning | CTP | Elk, McKean | 65 min |
| Nov 5, 8:13 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Forest, Indiana, Jefferson | 47 min |
| Nov 5, 8:25 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Indiana | 38 min |
| Nov 5, 8:50 PM EST | Areal Flood Advisory | PBZ | Lawrence, Mercer, Venango | 4 hr |
| Nov 5, 8:55 PM EST | Special Weather Statement | CTP | Cameron, Clearfield, Potter | 35 min |
| Nov 5, 9:15 PM EST | Special Weather Statement | PBZ | Beaver | 45 min |
| Nov 5, 11:11 PM EST | Areal Flood Warning | CLE | Erie | 12 hr |
| Nov 6, 5:04 AM EST | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Butler, Indiana, Washington, Westmoreland | 3 hr |
| Nov 6, 6:56 AM EST | Areal Flood Warning | PBZ | Allegheny, Beaver, Butler, Lawrence | 3 hr |
| Nov 6, 9:53 AM EST | Areal Flood Warning | PBZ | Allegheny, Beaver, Butler, Lawrence | 13 hr |
| Nov 6, 11:35 AM EST | River Flood Advisory | PBZ | Allegheny | 36 hr |
| Nov 7, 12:33 PM EST | Special Weather Statement | CTP | Bedford, Blair, Cambria, Somerset | 57 min |
| Nov 9, 3:34 AM EST | Freeze Watch | PHI | Delaware, Philadelphia | 11 hr |
| Nov 9, 8:05 AM EST | Special Weather Statement | CTP | Adams, Columbia, Cumberland, Dauphin, Franklin, Juniata and 8 more | 55 min |
| Nov 9, 2:15 PM EST | Freeze Warning | PHI | Delaware, Philadelphia | 44 hr |
| Nov 10, 6:17 AM EST | Special Weather Statement | CTP | Cameron, McKean | 58 min |
| Nov 12, 8:03 PM EST | Winter Weather Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 9 hr |
| Nov 16, 12:06 PM EST | Special Weather Statement | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 54 min |
| Nov 17, 2:45 PM EST | Wind Advisory | CLE | Crawford, Erie | 42 hr |
| Nov 18, 3:55 AM EST | Wind Advisory | PBZ | Fayette, Westmoreland | 29 hr |
| Nov 18, 4:05 AM EST | Wind Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 25 more | 32 hr |
| Nov 18, 9:57 AM EST | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more | 16 hr |
| Nov 18, 11:23 AM EST | River Flood Advisory | PBZ | Allegheny | 53 hr |
| Nov 18, 2:07 PM EST | Wind Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 24 hr |
| Nov 18, 2:35 PM EST | Winter Weather Advisory | CTP | McKean, Warren | 38 hr |
| Nov 18, 2:46 PM EST | Wind Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 24 hr |
| Nov 18, 10:51 PM EST | Areal Flood Advisory | PBZ | Beaver, Butler, Lawrence, Mercer, Venango | 11 hr |
| Nov 18, 11:30 PM EST | Special Weather Statement | PBZ | Allegheny, Armstrong, Greene, Washington | 60 min |
| Nov 19, 12:19 AM EST | Special Weather Statement | PBZ | Armstrong, Fayette, Indiana, Westmoreland | 56 min |
| Nov 19, 3:57 AM EST | Winter Weather Advisory | CLE | Erie | 24 hr |
| Nov 19, 4:01 AM EST | Areal Flood Warning | PBZ | Beaver | 9 hr |
| Nov 19, 9:24 PM EST | Special Weather Statement | CTP | Centre | 36 min |
| Nov 19, 9:33 PM EST | Special Weather Statement | CTP | Bedford | 42 min |
| Nov 19, 9:51 PM EST | Special Weather Statement | CTP | Montour | 39 min |
| Nov 19, 10:22 PM EST | Special Weather Statement | CTP | Columbia | 38 min |
| Nov 19, 10:59 PM EST | Special Weather Statement | CTP | Clearfield | 46 min |
| Nov 19, 11:35 PM EST | Special Weather Statement | CTP | Clearfield | 40 min |
| Nov 19, 11:44 PM EST | Special Weather Statement | PBZ | Jefferson | 46 min |
| Nov 20, 12:27 AM EST | Special Weather Statement | CTP | Centre | 48 min |
| Nov 20, 1:22 AM EST | Special Weather Statement | CTP | Centre | 53 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 | 12 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 23 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| River Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 3 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Beaver County15
- Allegheny County12
- Butler County12
- Armstrong County11
- Lawrence County10
- Erie County9
- Mercer County8
- Venango County7
- Indiana County7
- Warren County6
- Forest County6
- McKean County6
- Jefferson County6
- Washington County6
- Westmoreland County6
- Crawford County5
- Clearfield County5
- Clarion County5
- Centre County4
- Elk County3
- Cameron County3
- Bedford County3
- Delaware County3
- Philadelphia County3
- Columbia County3
- Montour County3
- Potter County2
- Blair County2
- Cambria County2
- Somerset County2
- Adams County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Juniata County2
- Lancaster County2
- Lebanon County2
- Northumberland County2
- Perry County2
- Schuylkill County2
27 more counties
- Snyder County2
- York County2
- Berks County2
- Bucks County2
- Lehigh County2
- Montgomery County2
- Northampton County2
- Lackawanna County2
- Luzerne County2
- Susquehanna County2
- Wayne County2
- Wyoming County2
- Fayette County2
- Clinton County1
- Fulton County1
- Huntingdon County1
- Lycoming County1
- Mifflin County1
- Sullivan County1
- Tioga County1
- Union County1
- Bradford County1
- Pike County1
- Carbon County1
- Chester County1
- Monroe County1
- Greene 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. Warning verification from the Mesonet's Cow. Rebuilt daily.