Weather alerts in Pennsylvania, December 2024

137 weather alerts in December 2024, 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 2024. Tap one for its archive.

Alerts: 137
Warnings: 31
Watches: 5
Advisories: 37
Busiest day: December 5, 202440 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 1, 4:54 AM EST	Lake Effect Snow Warning	CTP	McKean, Warren	62 hr
Dec 2, 10:17 PM EST	Special Weather Statement	CTP	Clearfield	28 min
Dec 2, 10:23 PM EST	Special Weather Statement	CTP	Clinton	52 min
Dec 3, 3:22 AM EST	Winter Storm Watch	CTP	Cambria, Cameron, Clearfield, Elk, McKean, Potter and 2 more	25 hr
Dec 3, 3:46 AM EST	Winter Storm Watch	PBZ	Clarion, Fayette, Forest, Indiana, Jefferson, Mercer and 2 more	25 hr
Dec 3, 4:09 AM EST	Winter Storm Watch	CLE	Crawford, Erie	25 hr
Dec 3, 10:31 AM EST	Special Weather Statement	CLE	Crawford	89 min
Dec 3, 12:07 PM EST	Special Weather Statement	CLE	Crawford	113 min
Dec 3, 2:26 PM EST	Special Weather Statement	PBZ	Clarion, Forest, Jefferson, Venango	64 min
Dec 3, 2:37 PM EST	Wind Advisory	CTP	Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more	52 hr
Dec 3, 3:03 PM EST	Wind Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	55 hr
Dec 3, 3:21 PM EST	Snow Squall Warning	PHI	Carbon, Monroe	24 min
Dec 3, 3:38 PM EST	Special Weather Statement	CTP	Union	67 min
Dec 3, 3:41 PM EST	Snow Squall Warning	PHI	Carbon, Lehigh, Monroe, Northampton	49 min
Dec 3, 3:45 PM EST	Special Weather Statement	CLE	Erie	75 min
Dec 3, 4:20 PM EST	Snow Squall Warning	PHI	Bucks, Lehigh, Northampton	25 min
Dec 3, 4:38 PM EST	Special Weather Statement	CTP	Schuylkill	22 min
Dec 3, 4:38 PM EST	Special Weather Statement	CTP	Clinton	52 min
Dec 3, 5:13 PM EST	Special Weather Statement	CLE	Erie	92 min
Dec 3, 5:32 PM EST	Special Weather Statement	CTP	Clinton	58 min
Dec 4, 4:18 AM EST	Lake Effect Snow Warning	PBZ	Clarion, Forest, Jefferson, Mercer, Venango	54 hr
Dec 4, 4:18 AM EST	Winter Storm Warning	PBZ	Fayette, Westmoreland	49 hr
Dec 4, 4:18 AM EST	Winter Weather Advisory	PBZ	Armstrong, Butler, Indiana, Lawrence	49 hr
Dec 4, 4:21 AM EST	Lake Effect Snow Warning	CTP	Cameron, Elk, McKean, Potter, Warren	64 hr
Dec 4, 4:21 AM EST	Winter Storm Warning	CTP	Cambria, Clearfield, Somerset	46 hr
Dec 4, 4:21 AM EST	Winter Weather Advisory	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 5 more	57 hr
Dec 4, 4:23 AM EST	Winter Weather Advisory	BGM	Wayne	48 hr
Dec 4, 4:42 AM EST	Lake Effect Snow Warning	CLE	Crawford, Erie	3 days
Dec 4, 4:50 AM EST	Wind Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	40 hr
Dec 4, 9:20 PM EST	Blizzard Warning	CLE	Erie	22 hr
Dec 5, 12:22 AM EST	Special Weather Statement	CTP	Clearfield	53 min
Dec 5, 12:58 AM EST	Special Weather Statement	CTP	Cambria, Somerset	62 min
Dec 5, 1:01 AM EST	Special Weather Statement	CLE	Crawford, Erie	89 min
Dec 5, 1:28 AM EST	Special Weather Statement	CTP	Blair	32 min
Dec 5, 1:47 AM EST	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 14 more	4 hr
Dec 5, 1:52 AM EST	Snow Squall Warning	CTP	Blair, Centre, Huntingdon	23 min
Dec 5, 1:56 AM EST	Special Weather Statement	CTP	Bedford	49 min
Dec 5, 2:09 AM EST	Special Weather Statement	CTP	Bedford, Huntingdon, Mifflin	21 min
Dec 5, 2:35 AM EST	Special Weather Statement	CTP	Franklin, Fulton, Huntingdon, Juniata, Mifflin, Perry and 1 more	40 min
Dec 5, 2:46 AM EST	Special Weather Statement	CLE	Crawford, Erie	119 min
Dec 5, 3:10 AM EST	Special Weather Statement	CTP	Columbia, Montour, Northumberland	50 min
Dec 5, 3:12 AM EST	Special Weather Statement	CTP	Adams, Cumberland, Dauphin, Franklin, Perry, Snyder	48 min
Dec 5, 3:55 AM EST	Special Weather Statement	CTP	Lancaster, Lebanon, Schuylkill, York	65 min
Dec 5, 3:56 AM EST	Special Weather Statement	CTP	Clearfield	64 min
Dec 5, 4:38 AM EST	Special Weather Statement	CTP	Cameron, Centre, Clinton, Lycoming, Potter, Tioga	67 min
Dec 5, 4:45 AM EST	Special Weather Statement	CLE	Crawford, Erie	90 min
Dec 5, 4:49 AM EST	Snow Squall Warning	CTP	Centre, Clinton, Lycoming, Northumberland, Union	56 min
Dec 5, 5:07 AM EST	Special Weather Statement	CTP	Blair, Huntingdon	53 min
Dec 5, 5:11 AM EST	Special Weather Statement	BGM	Pike, Wayne	34 min
Dec 5, 5:48 AM EST	Special Weather Statement	CTP	Columbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 1 more	72 min
Dec 5, 6:00 AM EST	Special Weather Statement	BGM	Bradford	45 min
Dec 5, 6:08 AM EST	Special Weather Statement	CLE	Crawford, Erie	3 hr
Dec 5, 6:23 AM EST	Special Weather Statement	CTP	Centre, Clearfield, Clinton, Union	52 min
Dec 5, 7:21 AM EST	Special Weather Statement	CTP	Centre, Clinton	54 min
Dec 5, 7:36 AM EST	Special Weather Statement	CTP	Columbia, Montour	54 min
Dec 5, 7:52 AM EST	Special Weather Statement	BGM	Luzerne	23 min
Dec 5, 8:24 AM EST	Special Weather Statement	BGM	Lackawanna	36 min
Dec 5, 8:39 AM EST	Snow Squall Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	36 min
Dec 5, 8:41 AM EST	Snow Squall Warning	BGM	Lackawanna, Luzerne, Pike, Wayne	34 min
Dec 5, 8:43 AM EST	Snow Squall Warning	BGM	Susquehanna	32 min
Dec 5, 8:45 AM EST	Snow Squall Warning	PHI	Carbon, Monroe	45 min
Dec 5, 8:47 AM EST	Special Weather Statement	CLE	Crawford, Erie	118 min
Dec 5, 9:10 AM EST	Snow Squall Warning Significant damage threat	BGM	Pike	35 min
Dec 5, 9:13 AM EST	Snow Squall Warning	BGM	Susquehanna, Wayne	32 min
Dec 5, 9:15 AM EST	Snow Squall Warning	PHI	Berks, Bucks, Chester, Lehigh, Montgomery	45 min
Dec 5, 9:23 AM EST	Snow Squall Warning Significant damage threat	PHI	Monroe, Northampton	52 min
Dec 5, 9:37 AM EST	Snow Squall Warning Significant damage threat	BGM	Pike, Wayne	23 min
Dec 5, 9:50 AM EST	Mesoscale Discussion	SPC	Bradford, Lackawanna, McKean, Pike, Potter, Susquehanna and 3 more	2 hr
Dec 5, 9:56 AM EST	Snow Squall Warning	PHI	Bucks	20 min
Dec 7, 9:36 PM EST	Wind Advisory	CLE	Erie	6 hr
Dec 9, 2:04 PM EST	Winter Storm Watch	CLE	Erie	38 hr
Dec 9, 9:43 PM EST	Dense Fog Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	13 hr
Dec 9, 9:44 PM EST	Dense Fog Advisory	CTP	Adams, Centre, Clinton, Columbia, Cumberland, Dauphin and 17 more	11 hr
Dec 10, 2:42 PM EST	Wind Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	30 hr
Dec 10, 3:20 PM EST	Lake Effect Snow Warning	CLE	Erie	64 hr
Dec 10, 4:00 PM EST	Dense Fog Advisory	CLE	Crawford, Erie	14 hr
Dec 11, 3:54 AM EST	Winter Weather Advisory	CLE	Crawford	51 hr
Dec 11, 8:24 PM EST	River Flood Warning	BGM	Susquehanna	25 hr
Dec 12, 1:13 AM EST	Special Weather Statement	CLE	Crawford	92 min
Dec 12, 2:57 AM EST	Special Weather Statement	CTP	Centre	33 min
Dec 12, 3:25 AM EST	Special Weather Statement	CTP	Centre, Clearfield	65 min
Dec 12, 3:41 AM EST	Snow Squall Warning	CTP	Clearfield	49 min
Dec 12, 4:17 AM EST	Special Weather Statement	CTP	Clinton, Union	58 min
Dec 12, 4:28 AM EST	Special Weather Statement	CTP	Potter, Tioga	62 min
Dec 12, 4:33 AM EST	Special Weather Statement	CTP	Clearfield, Clinton	57 min
Dec 12, 4:47 AM EST	Snow Squall Warning	CTP	Cameron, Centre, Clearfield, Clinton	43 min
Dec 12, 5:22 AM EST	Special Weather Statement	CTP	Lycoming, Sullivan	68 min
Dec 12, 5:30 AM EST	Special Weather Statement	CTP	Clinton, Lycoming	45 min
Dec 12, 5:42 AM EST	Wind Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 10 more	9 hr
Dec 12, 6:05 AM EST	Special Weather Statement	CTP	Lycoming	40 min
Dec 12, 10:39 AM EST	Mesoscale Discussion	SPC	Erie	3 hr
Dec 12, 10:47 AM EST	Special Weather Statement	CLE	Erie	88 min
Dec 13, 11:38 AM EST	Special Weather Statement	CLE	Erie	112 min
Dec 14, 2:39 AM EST	Winter Weather Advisory	PBZ	Beaver, Butler, Clarion, Fayette, Forest, Indiana and 5 more	46 hr
Dec 14, 3:30 AM EST	Winter Storm Watch	CTP	Cambria, Somerset	11 hr
Dec 14, 3:30 AM EST	Winter Weather Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 23 more	55 hr
Dec 14, 1:22 PM EST	Winter Weather Advisory	CLE	Crawford, Erie	23 hr
Dec 14, 2:20 PM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	42 hr
Dec 14, 2:34 PM EST	Winter Storm Warning	CTP	Somerset	37 hr
Dec 14, 2:38 PM EST	Winter Weather Advisory	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	42 hr
Dec 15, 10:30 AM EST	Mesoscale Discussion	SPC	Bedford, Blair, Cambria, Fulton, Somerset	5 hr
Dec 18, 6:45 PM EST	Winter Weather Advisory	CTP	Cambria, Somerset	13 hr
Dec 20, 3:09 AM EST	Winter Weather Advisory	PHI	Bucks, Carbon, Lehigh, Monroe, Northampton	28 hr
Dec 20, 3:47 AM EST	Winter Weather Advisory	CLE	Erie	48 hr
Dec 20, 3:08 PM EST	Cold Weather Advisory	PHI	Carbon, Monroe	44 hr
Dec 21, 3:26 AM EST	Cold Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	30 hr
Dec 21, 6:05 AM EST	Special Weather Statement	CTP	Huntingdon	25 min
Dec 21, 8:19 AM EST	Special Weather Statement	CTP	Centre	56 min
Dec 21, 9:58 AM EST	Special Weather Statement	CTP	Clearfield	47 min
Dec 21, 10:56 AM EST	Winter Weather Advisory	PBZ	Allegheny, Beaver, Butler, Fayette, Lawrence, Washington and 1 more	13 hr
Dec 21, 9:43 PM EST	Special Weather Statement	CTP	Cambria	92 min
Dec 21, 10:19 PM EST	Special Weather Statement	PBZ	Indiana	41 min
Dec 21, 11:12 PM EST	Special Weather Statement	PBZ	Indiana	48 min
Dec 23, 2:12 AM EST	Winter Weather Advisory	PBZ	Armstrong, Butler, Clarion, Fayette, Forest, Indiana and 4 more	41 hr
Dec 23, 2:24 AM EST	Winter Weather Advisory	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	33 hr
Dec 23, 2:26 AM EST	Winter Weather Advisory	BGM	Susquehanna, Wayne	32 hr
Dec 23, 4:28 PM EST	Winter Weather Advisory	CTP	Adams, Cambria, Lancaster, Somerset, York	27 hr
Dec 26, 3:14 PM EST	Winter Weather Advisory	PHI	Bucks, Carbon, Lehigh, Monroe, Northampton	43 hr
Dec 27, 3:00 AM EST	Winter Weather Advisory	CTP	Clinton, Columbia, Lycoming, Potter, Schuylkill, Sullivan and 1 more	27 hr
Dec 27, 3:38 AM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	31 hr
Dec 28, 1:10 PM EST	Wind Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more	39 hr
Dec 28, 5:40 PM EST	Dense Fog Advisory	CTP	Adams, Bedford, Blair, Cameron, Centre, Clearfield and 25 more	15 hr
Dec 28, 5:53 PM EST	Dense Fog Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	15 hr
Dec 28, 6:16 PM EST	Dense Fog Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	16 hr
Dec 29, 3:05 AM EST	Wind Advisory	CLE	Crawford, Erie	30 hr
Dec 29, 4:45 PM EST	Wind Advisory	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 4 more	11 hr
Dec 29, 7:37 PM EST	Tornado Warning	PBZ	Forest	11 min
Dec 29, 9:26 PM EST	Special Weather Statement	CTP	Blair	34 min
Dec 29, 10:07 PM EST	Special Weather Statement	CTP	Centre, Clinton	23 min
Dec 29, 10:31 PM EST	Special Weather Statement	CTP	Centre, Clinton, Potter	44 min
Dec 31, 2:12 PM EST	Severe Thunderstorm Warning	PBZ	Fayette, Greene	36 min
Dec 31, 2:22 PM EST	Severe Thunderstorm Warning	PBZ	Fayette	31 min
Dec 31, 2:38 PM EST	Severe Thunderstorm Warning	PBZ	Fayette, Westmoreland	39 min
Dec 31, 2:42 PM EST	Special Weather Statement	CTP	Somerset	33 min
Dec 31, 3:49 PM EST	Special Weather Statement	CTP	Cambria	26 min
Dec 31, 4:17 PM EST	Special Weather Statement	CTP	Blair	28 min
Dec 31, 6:56 PM EST	Mesoscale Discussion	SPC	Delaware, Philadelphia	2 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	3
Tornado Warning	1
Mesoscale Discussion	5
Special Weather Statement	59
Flooding
River Flood Warning	1
Winter
Blizzard Warning	1
Lake Effect Snow Warning	5
Snow Squall Warning	17
Winter Storm Warning	3
Winter Storm Watch	5
Winter Weather Advisory	20
Cold
Cold Weather Advisory	2
Wind and dust
Wind Advisory	9
Fog and smoke
Dense Fog Advisory	6

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 2023 2025

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.