Weather alerts in Pennsylvania, December 2021

57 weather alerts in December 2021, 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 December 2021. Tap one for its archive.

Alerts: 57
Warnings: 5
Watches: 2
Advisories: 27
Busiest day: December 11, 20219 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
Dec 2, 12:08 PM EST	Wind Advisory	CTP	Bedford, Franklin, Fulton, Somerset	16 hr
Dec 2, 7:57 PM EST	Special Weather Statement	BGM	Lackawanna, Luzerne, Pike	33 min
Dec 2, 8:00 PM EST	Special Weather Statement	PHI	Monroe	45 min
Dec 2, 8:19 PM EST	Special Weather Statement	PHI	Carbon	41 min
Dec 2, 8:48 PM EST	Special Weather Statement	PHI	Carbon, Monroe	42 min
Dec 2, 9:47 PM EST	Special Weather Statement	PHI	Bucks, Lehigh, Northampton	43 min
Dec 2, 10:29 PM EST	Special Weather Statement	PHI	Bucks	46 min
Dec 4, 3:37 AM EST	High Wind Watch	CLE	Erie	23 hr
Dec 5, 2:59 AM EST	High Wind Warning	CLE	Erie	24 hr
Dec 5, 2:59 AM EST	Wind Advisory	CLE	Erie	46 hr
Dec 5, 3:38 AM EST	Wind Advisory	BGM	Bradford, Susquehanna, Wayne	45 hr
Dec 6, 7:46 PM EST	Special Weather Statement	CLE	Erie	59 min
Dec 6, 8:44 PM EST	Winter Weather Advisory	CLE	Crawford, Erie	10 hr
Dec 7, 12:35 AM EST	Special Weather Statement	CLE	Crawford, Erie	85 min
Dec 7, 2:12 AM EST	Special Weather Statement	CLE	Crawford, Erie	93 min
Dec 9, 3:15 AM EST	High Wind Watch	CLE	Erie	34 hr
Dec 10, 3:58 AM EST	Wind Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	45 hr
Dec 10, 10:12 AM EST	Wind Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	39 hr
Dec 10, 11:02 AM EST	Wind Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	34 hr
Dec 10, 11:15 AM EST	Wind Advisory	CTP	Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more	38 hr
Dec 10, 12:48 PM EST	High Wind Warning	CLE	Erie	33 hr
Dec 10, 12:48 PM EST	Wind Advisory	CLE	Crawford, Erie	30 hr
Dec 11, 6:41 AM EST	Special Weather Statement	PBZ	Mercer	34 min
Dec 11, 6:51 AM EST	Special Weather Statement	CLE	Crawford	54 min
Dec 11, 7:50 AM EST	Special Weather Statement	PBZ	Mercer	25 min
Dec 11, 8:15 AM EST	Special Weather Statement	PBZ	Venango	30 min
Dec 11, 10:18 AM EST	Special Weather Statement	PBZ	Greene	27 min
Dec 11, 10:46 AM EST	Special Weather Statement	PBZ	Fayette	29 min
Dec 11, 11:20 AM EST	Special Weather Statement	CTP	Cambria, Somerset	40 min
Dec 11, 12:32 PM EST	Special Weather Statement	CLE	Crawford	58 min
Dec 11, 5:51 PM EST	Lakeshore Flood Warning	CLE	Erie	7 hr
Dec 11, 7:14 PM EST	Special Weather Statement	BGM	Lackawanna, Luzerne, Wyoming	31 min
Dec 11, 7:29 PM EST	Mesoscale Discussion	SPC	Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 12 more	3 hr
Dec 11, 7:46 PM EST	Special Weather Statement	BGM	Lackawanna, Pike	44 min
Dec 11, 7:52 PM EST	Special Weather Statement	BGM	Wayne	38 min
Dec 11, 9:01 PM EST	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more	48 min
Dec 15, 3:43 AM EST	Wind Advisory	CLE	Erie	37 hr
Dec 17, 2:21 PM EST	Winter Weather Advisory	CTP	Cameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more	22 hr
Dec 17, 3:05 PM EST	Winter Weather Advisory	BGM	Bradford	31 hr
Dec 24, 3:16 AM EST	Winter Weather Advisory	BGM	Pike, Wayne	34 hr
Dec 24, 9:37 AM EST	Winter Weather Advisory	PHI	Carbon, Monroe	23 hr
Dec 26, 2:55 PM EST	Winter Weather Advisory	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	40 hr
Dec 26, 2:58 PM EST	Winter Weather Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 21 more	33 hr
Dec 26, 4:56 PM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	38 hr
Dec 26, 5:43 PM EST	Winter Weather Advisory	PBZ	Armstrong, Butler, Clarion, Forest, Jefferson, Lawrence and 3 more	19 hr
Dec 27, 6:58 AM EST	Mesoscale Discussion	SPC	Bedford, Blair, Cambria, Cameron, Centre, Clarion and 10 more	5 hr
Dec 27, 7:25 PM EST	Severe Thunderstorm Warning	PBZ	Greene	35 min
Dec 27, 7:41 PM EST	Special Weather Statement	PBZ	Fayette	34 min
Dec 28, 12:48 PM EST	Winter Weather Advisory	CTP	Blair, Cameron, Centre, Clearfield, Clinton, Columbia and 10 more	14 hr
Dec 28, 2:17 PM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	17 hr
Dec 28, 2:48 PM EST	Winter Weather Advisory	PHI	Carbon, Monroe	12 hr
Dec 29, 4:35 AM EST	Dense Fog Advisory	CLE	Crawford, Erie	5 hr
Dec 29, 4:51 AM EST	Dense Fog Advisory	PBZ	Butler, Clarion, Forest, Jefferson, Lawrence, Mercer and 1 more	3 hr
Dec 29, 4:53 AM EST	Dense Fog Advisory	CTP	Cameron, Clearfield, Elk, McKean, Warren	5 hr
Dec 30, 9:33 PM EST	Dense Fog Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	11 hr
Dec 30, 9:35 PM EST	Dense Fog Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	10 hr
Dec 30, 10:09 PM EST	Dense Fog Advisory	CTP	Adams, Bedford, Blair, Cameron, Centre, Clinton and 22 more	12 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	2
Mesoscale Discussion	2
Special Weather Statement	21
Winter
Winter Weather Advisory	12
Wind and dust
High Wind Warning	2
High Wind Watch	2
Wind Advisory	9
Fog and smoke
Dense Fog Advisory	6
Coast and beach
Lakeshore Flood Warning	1

By county

Every county with at least one alert. A county page lists each alert that covered it.

27 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.