Weather alerts in Pennsylvania, December 2016

156 weather alerts in December 2016, 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 2016. Tap one for its archive.

Alerts: 156
Warnings: 18
Watches: 8
Advisories: 56
Busiest day: December 30, 201628 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 30, 8:17 PM EST	Special Weather Statement	PHI	Delaware	28 min
Nov 30, 10:39 PM EST	Special Weather Statement	CTP	Blair, Cameron, Centre, Clinton, Huntingdon, Mifflin and 2 more	51 min
Nov 30, 11:32 PM EST	Special Weather Statement	CTP	Juniata, Lycoming, Mifflin, Perry, Snyder, Tioga and 1 more	43 min
Dec 1, 12:25 AM EST	Special Weather Statement	BGM	Bradford	50 min
Dec 1, 1:06 AM EST	Special Weather Statement	BGM	Lackawanna, Susquehanna, Wayne, Wyoming	54 min
Dec 2, 9:46 PM EST	Special Weather Statement	CTP	Cambria, Somerset	59 min
Dec 4, 9:55 PM EST	Winter Weather Advisory	CTP	Cambria, Somerset	5 hr
Dec 5, 1:33 PM EST	Winter Weather Advisory	PBZ	Fayette, Westmoreland	32 hr
Dec 5, 2:12 PM EST	Winter Weather Advisory	CTP	Cambria, Somerset	25 hr
Dec 6, 4:10 AM EST	Winter Weather Advisory	PHI	Carbon, Monroe, Northampton	26 hr
Dec 6, 1:08 PM EST	Special Weather Statement	CTP	Cameron, Clinton	22 min
Dec 6, 2:04 PM EST	Lake Effect Snow Watch	CTP	McKean, Warren	29 hr
Dec 6, 2:36 PM EST	Lake Effect Snow Watch	CLE	Crawford, Erie	48 hr
Dec 6, 2:56 PM EST	Winter Storm Warning	PBZ	Fayette, Westmoreland	6 hr
Dec 6, 3:08 PM EST	Ice Storm Warning	CTP	Cambria, Somerset	6 hr
Dec 6, 4:02 PM EST	Winter Weather Advisory	CTP	Cameron, Centre, Clearfield, Clinton, Elk, McKean and 1 more	7 hr
Dec 6, 4:55 PM EST	Special Weather Statement	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wyoming	110 min
Dec 7, 2:56 PM EST	Lake Effect Snow Warning	CLE	Crawford, Erie	3 days
Dec 7, 7:12 PM EST	Lake Effect Snow Warning	CTP	Warren	65 hr
Dec 7, 7:12 PM EST	Lake Effect Snow Advisory	CTP	McKean	65 hr
Dec 8, 3:26 PM EST	Special Weather Statement	CLE	Erie	109 min
Dec 8, 5:34 PM EST	Special Weather Statement	CLE	Erie	86 min
Dec 8, 6:27 PM EST	Special Weather Statement	BGM	Susquehanna	2 hr
Dec 8, 8:30 PM EST	Special Weather Statement	BGM	Susquehanna	2 hr
Dec 9, 5:26 AM EST	Special Weather Statement	CLE	Erie	64 min
Dec 9, 9:53 AM EST	Special Weather Statement	PBZ	Clarion	52 min
Dec 9, 11:28 AM EST	Special Weather Statement	CLE	Crawford, Erie	2 hr
Dec 9, 1:07 PM EST	Special Weather Statement	CTP	Cameron, Clinton, Union	53 min
Dec 9, 1:38 PM EST	Lake Effect Snow Advisory	PBZ	Mercer	13 hr
Dec 9, 2:00 PM EST	Special Weather Statement	CTP	Clinton, Northumberland, Union	60 min
Dec 9, 2:56 PM EST	Special Weather Statement	CTP	Clinton, Northumberland, Union	64 min
Dec 9, 5:49 PM EST	Special Weather Statement	CTP	Clinton	56 min
Dec 9, 7:13 PM EST	Special Weather Statement	PBZ	Clarion, Jefferson, Mercer, Venango	47 min
Dec 10, 1:54 AM EST	Special Weather Statement	PHI	Delaware, Lehigh, Montgomery, Philadelphia	36 min
Dec 10, 2:25 AM EST	Special Weather Statement	PHI	Montgomery, Philadelphia	95 min
Dec 10, 3:27 AM EST	Winter Weather Advisory	CLE	Crawford, Erie	47 hr
Dec 10, 4:03 AM EST	Special Weather Statement	PHI	Bucks, Lehigh, Montgomery	57 min
Dec 10, 6:21 AM EST	Special Weather Statement	CLE	Crawford, Erie	114 min
Dec 10, 1:10 PM EST	Special Weather Statement	CLE	Crawford, Erie	110 min
Dec 10, 1:37 PM EST	Winter Weather Advisory	PBZ	Armstrong, Butler, Clarion, Forest, Jefferson, Lawrence and 2 more	39 hr
Dec 10, 2:20 PM EST	Winter Weather Advisory	CTP	Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more	43 hr
Dec 10, 2:29 PM EST	Winter Weather Advisory	PHI	Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more	42 hr
Dec 10, 2:39 PM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	42 hr
Dec 10, 5:05 PM EST	Special Weather Statement	CLE	Erie	115 min
Dec 11, 2:44 AM EST	Freezing Rain Advisory	PBZ	Allegheny, Beaver, Fayette, Washington, Westmoreland	26 hr
Dec 11, 2:47 PM EST	Special Weather Statement	PHI	Bucks, Carbon, Monroe, Northampton	58 min
Dec 11, 8:12 PM EST	Winter Weather Advisory	CTP	Adams, Lancaster, York	8 hr
Dec 11, 10:05 PM EST	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 25 more	4 hr
Dec 12, 6:06 AM EST	Winter Weather Advisory	PHI	Lehigh	2 hr
Dec 13, 3:17 AM EST	Lake Effect Snow Watch	CLE	Crawford, Erie	35 hr
Dec 13, 1:43 PM EST	Winter Weather Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Jefferson and 2 more	8 hr
Dec 13, 2:51 PM EST	Special Weather Statement	CTP	Blair, Cambria, Huntingdon, Juniata, Mifflin, Snyder and 1 more	54 min
Dec 13, 4:07 PM EST	Special Weather Statement	CTP	Blair, Cambria, Centre, Huntingdon, Juniata, Mifflin and 4 more	53 min
Dec 13, 5:45 PM EST	Special Weather Statement	CTP	Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more	75 min
Dec 13, 10:50 PM EST	Lake Effect Snow Watch	CTP	Warren	16 hr
Dec 14, 4:17 AM EST	Lake Effect Snow Warning	CLE	Crawford, Erie	48 hr
Dec 14, 4:17 AM EST	Lake Effect Snow Advisory	CLE	Erie	24 hr
Dec 14, 10:28 AM EST	Wind Chill Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	47 hr
Dec 14, 2:49 PM EST	Winter Weather Advisory	PBZ	Butler, Clarion, Forest, Jefferson, Lawrence, Mercer and 1 more	23 hr
Dec 14, 3:07 PM EST	Lake Effect Snow Warning	CTP	Warren	36 hr
Dec 14, 3:07 PM EST	Lake Effect Snow Advisory	CTP	Cameron, Elk, McKean, Potter	36 hr
Dec 14, 3:07 PM EST	Wind Chill Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 6 more	42 hr
Dec 14, 3:07 PM EST	Winter Weather Advisory	CTP	Cambria, Clearfield, Somerset	24 hr
Dec 14, 10:34 PM EST	Special Weather Statement	CLE	Erie	86 min
Dec 15, 2:33 AM EST	Wind Chill Advisory	BGM	Pike, Wayne	30 hr
Dec 15, 4:44 AM EST	Special Weather Statement	CTP	Cameron, Elk, McKean, Potter, Tioga	91 min
Dec 15, 6:29 AM EST	Special Weather Statement	CLE	Crawford, Erie	2 hr
Dec 15, 7:28 AM EST	Special Weather Statement	CTP	Clinton, Columbia, Elk, Lycoming, Montour, Union	92 min
Dec 15, 8:59 AM EST	Special Weather Statement	PBZ	Clarion, Forest, Jefferson, Mercer, Venango	61 min
Dec 15, 9:33 AM EST	Special Weather Statement	CTP	Centre, Clearfield, Clinton, Montour, Northumberland, Snyder and 1 more	57 min
Dec 15, 10:53 AM EST	Special Weather Statement	CTP	Centre, Clearfield, Northumberland, Snyder	67 min
Dec 15, 11:09 AM EST	Special Weather Statement	CTP	Centre, Clearfield, Snyder	66 min
Dec 15, 12:15 PM EST	Special Weather Statement	CTP	Juniata, Mifflin, Snyder	60 min
Dec 15, 2:27 PM EST	Winter Storm Watch	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	15 hr
Dec 15, 3:35 PM EST	Wind Chill Advisory	PHI	Carbon, Monroe	17 hr
Dec 16, 2:28 AM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	37 hr
Dec 16, 3:39 AM EST	Winter Weather Advisory	CTP	Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more	44 hr
Dec 16, 3:45 AM EST	Winter Weather Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	37 hr
Dec 16, 3:51 AM EST	Lake Effect Snow Advisory	CLE	Erie	5 hr
Dec 16, 3:51 AM EST	Winter Weather Advisory	CLE	Crawford, Erie	53 hr
Dec 16, 5:05 AM EST	Winter Storm Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more	35 hr
Dec 16, 5:05 AM EST	Winter Weather Advisory	PBZ	Fayette, Washington	32 hr
Dec 16, 5:05 AM EST	Freezing Rain Advisory	PBZ	Greene	27 hr
Dec 16, 6:05 PM EST	Winter Storm Warning	CTP	Cambria, Somerset	20 hr
Dec 16, 11:42 PM EST	Mesoscale Discussion	SPC	Allegheny, Beaver, Greene, Lawrence, Washington	5 hr
Dec 17, 3:08 AM EST	Mesoscale Discussion	SPC	Adams, Allegheny, Armstrong, Bedford, Blair, Bradford and 36 more	4 hr
Dec 17, 4:21 AM EST	Mesoscale Discussion	SPC	Adams, Berks, Bucks, Carbon, Chester, Delaware and 9 more	5 hr
Dec 17, 6:57 AM EST	Mesoscale Discussion	SPC	Lackawanna, Pike, Susquehanna, Wayne, Wyoming	5 hr
Dec 17, 10:59 AM EST	River Flood Advisory	PBZ	Allegheny	65 hr
Dec 17, 7:28 PM EST	Dense Fog Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	11 hr
Dec 17, 9:31 PM EST	Dense Fog Advisory	CTP	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more	9 hr
Dec 17, 11:34 PM EST	Special Weather Statement	CTP	Adams, Bedford, Blair, Cameron, Centre, Clinton and 21 more	56 min
Dec 18, 2:07 AM EST	Mesoscale Discussion	SPC	Fayette, Greene	2 hr
Dec 18, 3:06 AM EST	Areal Flood Advisory	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	3 hr
Dec 18, 3:16 AM EST	Special Weather Statement	PBZ	Fayette	44 min
Dec 18, 4:07 AM EST	Areal Flood Warning	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	9 hr
Dec 18, 4:26 AM EST	Special Weather Statement	PBZ	Beaver, Butler, Clarion, Lawrence, Mercer, Venango	3 hr
Dec 18, 6:20 AM EST	Freezing Rain Advisory	CTP	Elk, McKean, Warren	3 hr
Dec 18, 6:23 AM EST	Winter Weather Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	6 hr
Dec 18, 7:52 AM EST	Areal Flood Warning	PBZ	Indiana, Jefferson	6 hr
Dec 18, 9:07 AM EST	Winter Weather Advisory	CTP	Cambria, Cameron, Clearfield, Elk, McKean, Potter and 2 more	3 hr
Dec 18, 9:24 AM EST	Areal Flood Advisory	CTP	Cambria, Clearfield, Somerset	6 hr
Dec 18, 1:29 PM EST	Special Weather Statement	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	2 hr
Dec 18, 3:09 PM EST	Areal Flood Warning	PBZ	Westmoreland	6 hr
Dec 18, 3:13 PM EST	Areal Flood Warning	PBZ	Indiana	10 hr
Dec 18, 3:20 PM EST	Areal Flood Warning	PBZ	Greene	6 hr
Dec 18, 5:05 PM EST	Areal Flood Warning	PBZ	Washington	3 hr
Dec 23, 2:19 PM EST	Winter Weather Advisory	CTP	Columbia, Lycoming, Schuylkill, Sullivan, Tioga	18 hr
Dec 23, 2:28 PM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	19 hr
Dec 23, 3:15 PM EST	Freezing Rain Advisory	PHI	Berks, Bucks, Carbon, Lehigh, Monroe, Northampton	18 hr
Dec 25, 2:06 PM EST	Freezing Rain Advisory	CTP	Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more	21 hr
Dec 25, 2:41 PM EST	Freezing Rain Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	31 hr
Dec 25, 3:05 PM EST	Freezing Rain Advisory	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	31 hr
Dec 26, 12:44 PM EST	Special Weather Statement	CTP	Lycoming, Potter, Sullivan, Tioga	46 min
Dec 28, 4:07 AM EST	Winter Weather Advisory	PHI	Carbon, Monroe	35 hr
Dec 28, 4:08 AM EST	Winter Weather Advisory	BGM	Pike, Wayne	36 hr
Dec 28, 1:39 PM EST	Lake Effect Snow Watch	CTP	Warren	15 hr
Dec 28, 1:39 PM EST	Winter Storm Watch	CTP	Somerset	19 hr
Dec 28, 1:39 PM EST	Winter Weather Advisory	CTP	Adams, Bedford, Blair, Cambria, Cumberland, Franklin and 5 more	24 hr
Dec 28, 2:08 PM EST	Lake Effect Snow Watch	CLE	Crawford, Erie	21 hr
Dec 28, 8:42 PM EST	Winter Weather Advisory	PBZ	Fayette, Westmoreland	11 hr
Dec 29, 3:55 AM EST	Lake Effect Snow Advisory	PBZ	Clarion, Forest, Jefferson, Mercer, Venango	39 hr
Dec 29, 4:05 AM EST	Lake Effect Snow Warning	CLE	Crawford, Erie	38 hr
Dec 29, 4:29 AM EST	Lake Effect Snow Warning	CTP	McKean, Warren	42 hr
Dec 29, 4:29 AM EST	Lake Effect Snow Advisory	CTP	McKean	30 hr
Dec 29, 7:46 AM EST	Winter Weather Advisory	PBZ	Butler, Fayette, Lawrence, Westmoreland	35 hr
Dec 29, 8:49 AM EST	Winter Weather Advisory	CTP	Somerset	26 hr
Dec 29, 11:37 AM EST	Lake Effect Snow Advisory	CLE	Erie	31 hr
Dec 29, 8:47 PM EST	Special Weather Statement	PBZ	Armstrong, Butler, Clarion, Jefferson, Lawrence, Mercer	118 min
Dec 29, 10:25 PM EST	Special Weather Statement	PBZ	Armstrong, Butler, Clarion, Jefferson, Lawrence	2 hr
Dec 29, 11:45 PM EST	Special Weather Statement	CTP	Centre, Clearfield	60 min
Dec 30, 1:06 AM EST	Special Weather Statement	CTP	Centre	54 min
Dec 30, 3:07 AM EST	Special Weather Statement	PBZ	Washington	53 min
Dec 30, 3:09 AM EST	Special Weather Statement	CLE	Crawford	81 min
Dec 30, 3:53 AM EST	Special Weather Statement	CTP	Clearfield	52 min
Dec 30, 3:54 AM EST	Special Weather Statement	CTP	Clearfield	51 min
Dec 30, 4:24 AM EST	Special Weather Statement	PBZ	Allegheny	21 min
Dec 30, 5:40 AM EST	Special Weather Statement	PBZ	Fayette, Washington, Westmoreland	20 min
Dec 30, 7:17 AM EST	Special Weather Statement	PBZ	Fayette, Greene	73 min
Dec 30, 9:33 AM EST	Lake Effect Snow Warning	PBZ	Mercer, Venango	9 hr
Dec 30, 10:10 AM EST	Special Weather Statement	PBZ	Fayette, Washington	65 min
Dec 30, 10:57 AM EST	Lake Effect Snow Advisory	CTP	Cameron, Elk, Potter	11 hr
Dec 30, 10:57 AM EST	Winter Storm Warning	CTP	Somerset	11 hr
Dec 30, 10:57 AM EST	Winter Weather Advisory	CTP	Cambria, Clearfield, Sullivan, Tioga	11 hr
Dec 30, 11:14 AM EST	Special Weather Statement	PBZ	Fayette, Greene	61 min
Dec 30, 11:16 AM EST	Special Weather Statement	CTP	Centre	59 min
Dec 30, 11:33 AM EST	Special Weather Statement	PBZ	Clarion, Jefferson, Mercer	87 min
Dec 30, 11:47 AM EST	Special Weather Statement	CTP	Somerset	58 min
Dec 30, 12:07 PM EST	Special Weather Statement	CTP	Tioga	53 min
Dec 30, 12:24 PM EST	Special Weather Statement	PBZ	Greene	66 min
Dec 30, 1:00 PM EST	Special Weather Statement	CTP	Clearfield	60 min
Dec 30, 1:08 PM EST	Special Weather Statement	PBZ	Clarion	82 min
Dec 30, 1:11 PM EST	Special Weather Statement	CTP	Tioga	49 min
Dec 30, 2:29 PM EST	Special Weather Statement	PBZ	Clarion, Jefferson	91 min
Dec 30, 2:38 PM EST	Special Weather Statement	CTP	Centre, Clearfield	37 min
Dec 30, 3:20 PM EST	Special Weather Statement	CTP	Centre, Clearfield, Snyder	55 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
Mesoscale Discussion	6
Special Weather Statement	68
Flooding
Areal Flood Warning	6
Areal Flood Advisory	2
River Flood Advisory	1
Winter
Ice Storm Warning	1
Lake Effect Snow Warning	7
Winter Storm Warning	4
Lake Effect Snow Watch	6
Winter Storm Watch	2
Freezing Rain Advisory	7
Lake Effect Snow Advisory	9
Winter Weather Advisory	31
Cold
Wind Chill Advisory	4
Fog and smoke
Dense Fog Advisory	2

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 2015 2017

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.