Weather alerts in Pennsylvania, December 2010

213 weather alerts in December 2010, 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 2010. Tap one for its archive.

Alerts: 213
Warnings: 70
Watches: 13
Advisories: 56
Busiest day: December 1, 201095 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, 7:36 PM EST	River Flood Warning	CTP	Blair, Huntingdon	28 hr
Nov 30, 8:47 PM EST	Areal Flood Advisory	PBZ	Indiana	6 hr
Nov 30, 8:54 PM EST	Areal Flood Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 7 more	8 hr
Nov 30, 8:57 PM EST	Areal Flood Advisory	PBZ	Allegheny	4 hr
Nov 30, 9:36 PM EST	River Flood Warning	CTP	Elk	24 hr
Nov 30, 10:06 PM EST	River Flood Warning	CTP	Blair, Huntingdon	35 hr
Nov 30, 10:24 PM EST	River Flood Warning	CTP	Clinton, Lycoming	38 hr
Nov 30, 10:24 PM EST	River Flood Warning	CTP	Centre, Snyder, Union	38 hr
Nov 30, 10:30 PM EST	River Flood Watch	PBZ	Allegheny, Westmoreland	5 hr
Nov 30, 10:52 PM EST	Areal Flood Advisory	PBZ	Beaver, Butler	2 hr
Nov 30, 11:26 PM EST	Areal Flood Advisory	PBZ	Lawrence	6 hr
Nov 30, 11:36 PM EST	Areal Flood Warning	CTP	Cameron, Clearfield, Clinton, Elk, McKean, Potter	6 hr
Nov 30, 11:44 PM EST	Areal Flood Warning	PBZ	Beaver, Butler	35 hr
Dec 1, 12:52 AM EST	Areal Flood Advisory	PBZ	Allegheny	6 hr
Dec 1, 12:54 AM EST	Special Weather Statement	PHI	Carbon, Lehigh, Monroe, Northampton	96 min
Dec 1, 12:56 AM EST	Special Weather Statement	PHI	Monroe	64 min
Dec 1, 1:37 AM EST	Areal Flood Warning	CTP	Blair, Centre	6 hr
Dec 1, 2:04 AM EST	Areal Flood Warning	PBZ	Lawrence	11 hr
Dec 1, 2:49 AM EST	River Flood Warning	PBZ	Clarion, Forest, Jefferson	30 hr
Dec 1, 3:14 AM EST	Areal Flood Warning	CTP	Bedford, Blair, Centre, Clinton, Fulton, Huntingdon	6 hr
Dec 1, 3:24 AM EST	River Flood Warning	PBZ	Fayette, Washington, Westmoreland	13 hr
Dec 1, 3:24 AM EST	River Flood Warning	PBZ	Allegheny, Washington, Westmoreland	13 hr
Dec 1, 3:24 AM EST	River Flood Warning	PBZ	Allegheny	7 hr
Dec 1, 3:24 AM EST	River Flood Warning	PBZ	Fayette	7 hr
Dec 1, 3:24 AM EST	River Flood Warning	PBZ	Allegheny, Westmoreland	7 hr
Dec 1, 4:02 AM EST	Special Weather Statement	PHI	Philadelphia	58 min
Dec 1, 4:20 AM EST	River Flood Warning	CTP	Elk	18 hr
Dec 1, 4:52 AM EST	Areal Flood Warning	CTP	Cameron, Clearfield, Clinton, Elk, McKean, Potter	6 hr
Dec 1, 5:01 AM EST	Areal Flood Advisory	CTP	Adams, Columbia, Cumberland, Franklin, Juniata, Lancaster and 7 more	6 hr
Dec 1, 5:42 AM EST	Areal Flood Advisory	PHI	Carbon, Monroe	4 hr
Dec 1, 5:53 AM EST	Areal Flood Advisory	CTP	York	6 hr
Dec 1, 6:18 AM EST	Areal Flood Advisory	BGM	Bradford, Luzerne, Wyoming	6 hr
Dec 1, 6:29 AM EST	Severe Thunderstorm Warning	CTP	Juniata, Northumberland, Snyder, Union	46 min
Dec 1, 6:35 AM EST	Special Weather Statement	PHI	Berks, Chester	55 min
Dec 1, 6:53 AM EST	Special Weather Statement	CTP	Dauphin, Lycoming, Montour, Northumberland, Snyder, Union	52 min
Dec 1, 6:55 AM EST	Lake Effect Snow Advisory	CLE	Erie	28 hr
Dec 1, 6:55 AM EST	Mesoscale Discussion	SPC	Berks, Bradford, Bucks, Carbon, Chester, Columbia and 22 more	65 min
Dec 1, 7:01 AM EST	Areal Flood Advisory	PHI	Berks, Bucks, Chester, Lehigh, Montgomery, Northampton	8 hr
Dec 1, 7:14 AM EST	Special Weather Statement	PHI	Carbon, Lehigh	61 min
Dec 1, 7:43 AM EST	Special Weather Statement	PHI	Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more	47 min
Dec 1, 7:48 AM EST	Special Weather Statement	CTP	Adams, Cumberland, York	72 min
Dec 1, 7:54 AM EST	Areal Flood Advisory	PBZ	Allegheny, Armstrong, Beaver, Clarion, Fayette, Forest and 6 more	6 hr
Dec 1, 8:36 AM EST	Special Weather Statement	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	54 min
Dec 1, 8:47 AM EST	Areal Flood Warning	CTP	Bedford, Blair, Centre, Clearfield, Clinton, Franklin and 10 more	6 hr
Dec 1, 8:58 AM EST	Areal Flood Advisory	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	6 hr
Dec 1, 9:17 AM EST	Areal Flood Advisory	BGM	Lackawanna, Susquehanna, Wayne	5 hr
Dec 1, 9:19 AM EST	River Flood Warning	CTP	Clinton	30 hr
Dec 1, 9:31 AM EST	Special Weather Statement	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	59 min
Dec 1, 9:39 AM EST	Special Weather Statement	BGM	Luzerne, Susquehanna, Wyoming	51 min
Dec 1, 9:51 AM EST	Flash Flood Warning	BGM	Bradford, Luzerne, Wyoming	114 min
Dec 1, 9:52 AM EST	Winter Weather Advisory	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 6 more	10 hr
Dec 1, 9:59 AM EST	Special Weather Statement	CTP	Columbia, Lancaster, Lebanon, Schuylkill	31 min
Dec 1, 10:04 AM EST	Areal Flood Advisory	PHI	Carbon, Monroe	6 hr
Dec 1, 10:28 AM EST	Special Weather Statement	BGM	Luzerne, Susquehanna, Wyoming	62 min
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Centre, Clinton	15 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Lycoming	36 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Lycoming	47 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Lycoming, Northumberland, Union	45 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Northumberland, Union	42 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Northumberland, Union	47 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Northumberland, Union	47 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Huntingdon	13 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Huntingdon	23 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	Warren	5 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	McKean	23 hr
Dec 1, 10:43 AM EST	Flash Flood Warning	BGM	Susquehanna	86 min
Dec 1, 10:49 AM EST	Special Weather Statement	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	56 min
Dec 1, 10:52 AM EST	Mesoscale Discussion	SPC	Bradford, Clinton, Lycoming, Potter, Tioga	4 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny, Clarion	11 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny, Clarion	11 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny	18 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny	11 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny	6 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny, Westmoreland	6 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny, Westmoreland	18 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny	18 hr
Dec 1, 10:57 AM EST	River Flood Warning	PBZ	Allegheny	11 hr
Dec 1, 11:04 AM EST	River Flood Warning	BGM	Bradford	7 hr
Dec 1, 11:04 AM EST	River Flood Warning	PBZ	Allegheny	22 hr
Dec 1, 11:04 AM EST	River Flood Warning	PBZ	Allegheny	10 hr
Dec 1, 11:04 AM EST	River Flood Warning	PBZ	Beaver	18 hr
Dec 1, 11:04 AM EST	River Flood Warning	PBZ	Beaver	6 hr
Dec 1, 11:17 AM EST	Special Weather Statement	BGM	Susquehanna	58 min
Dec 1, 11:35 AM EST	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more	40 min
Dec 1, 11:36 AM EST	Areal Flood Advisory	CTP	Adams, Columbia, Cumberland, Dauphin, Franklin, Lancaster and 6 more	4 hr
Dec 1, 11:48 AM EST	Special Weather Statement	PHI	Bucks, Delaware, Lehigh, Monroe, Montgomery, Northampton and 1 more	57 min
Dec 1, 12:12 PM EST	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Northampton, Philadelphia	63 min
Dec 1, 12:17 PM EST	Special Weather Statement	BGM	Pike, Wayne	88 min
Dec 1, 12:45 PM EST	Areal Flood Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	7 hr
Dec 1, 12:59 PM EST	Areal Flood Advisory	PHI	Bucks, Monroe, Northampton	4 hr
Dec 1, 1:50 PM EST	Areal Flood Advisory	PBZ	Allegheny	6 hr
Dec 1, 1:51 PM EST	Areal Flood Advisory	PBZ	Armstrong	6 hr
Dec 1, 1:52 PM EST	Areal Flood Warning	CTP	Schuylkill	9 hr
Dec 1, 2:30 PM EST	Areal Flood Warning	CTP	Bedford, Blair, Cameron, Centre, Clinton, Elk and 12 more	10 hr
Dec 1, 3:55 PM EST	River Flood Warning	CTP	Clinton, Lycoming	19 hr
Dec 1, 7:23 PM EST	River Flood Warning	PHI	Lehigh, Northampton	4 hr
Dec 2, 11:03 AM EST	Areal Flood Warning	PBZ	Beaver	6 hr
Dec 2, 11:23 AM EST	Lake Effect Snow Advisory	CLE	Crawford, Erie	28 hr
Dec 2, 11:22 PM EST	Areal Flood Advisory	CTP	Northumberland, Snyder, Union	6 hr
Dec 3, 4:22 AM EST	Lake Effect Snow Advisory	CTP	McKean, Warren	28 hr
Dec 3, 5:47 AM EST	Areal Flood Advisory	CTP	Northumberland, Snyder, Union	6 hr
Dec 3, 3:53 PM EST	Special Weather Statement	CTP	Snyder	37 min
Dec 3, 4:06 PM EST	Special Weather Statement	CTP	Clinton	39 min
Dec 3, 4:17 PM EST	Special Weather Statement	CTP	Clearfield	28 min
Dec 3, 4:55 PM EST	Special Weather Statement	CTP	Juniata, Mifflin, Perry	35 min
Dec 3, 5:29 PM EST	Special Weather Statement	CTP	Juniata, Perry	31 min
Dec 3, 5:35 PM EST	Special Weather Statement	CTP	Juniata, Perry	55 min
Dec 4, 10:50 AM EST	Lake Effect Snow Watch	CLE	Crawford, Erie	28 hr
Dec 4, 2:16 PM EST	Lake Effect Snow Watch	PBZ	Forest, Mercer, Venango	13 hr
Dec 4, 2:16 PM EST	Winter Storm Watch	PBZ	Fayette, Westmoreland	13 hr
Dec 4, 2:24 PM EST	Lake Effect Snow Watch	CTP	McKean, Warren	14 hr
Dec 4, 2:24 PM EST	Winter Storm Watch	CTP	Cambria, Somerset	14 hr
Dec 4, 10:14 PM EST	Lake Effect Snow Warning	CLE	Crawford, Erie	4 days
Dec 5, 3:14 AM EST	Lake Effect Snow Warning	PBZ	Forest, Mercer, Venango	64 hr
Dec 5, 3:14 AM EST	Winter Storm Warning	PBZ	Fayette, Westmoreland	64 hr
Dec 5, 3:14 AM EST	Winter Weather Advisory	PBZ	Armstrong, Butler, Clarion, Jefferson, Lawrence	64 hr
Dec 5, 4:05 AM EST	Lake Effect Snow Warning	CTP	McKean, Warren	4 days
Dec 5, 4:05 AM EST	Winter Storm Warning	CTP	Cambria, Somerset	63 hr
Dec 5, 2:16 PM EST	Winter Weather Advisory	CTP	Cameron, Clearfield, Clinton, Elk, Potter, Union	53 hr
Dec 5, 3:49 PM EST	Special Weather Statement	CTP	Bedford, Blair, Cameron, Centre, Clinton, Franklin and 4 more	116 min
Dec 5, 4:32 PM EST	Special Weather Statement	CTP	McKean, Warren	58 min
Dec 5, 9:40 PM EST	Special Weather Statement	CTP	Potter	50 min
Dec 6, 1:02 AM EST	Special Weather Statement	CTP	Cameron, Clinton, Lycoming, Potter, Tioga	28 min
Dec 6, 2:23 AM EST	Special Weather Statement	CTP	Cameron, Clearfield, Clinton, Elk, Lycoming, Potter and 2 more	3 hr
Dec 6, 5:32 AM EST	Special Weather Statement	CTP	Bedford, Blair, Cambria, Fulton	118 min
Dec 6, 8:35 AM EST	Special Weather Statement	CTP	Bedford	115 min
Dec 6, 10:54 AM EST	Special Weather Statement	CTP	Cameron, Clinton, McKean, Union	111 min
Dec 6, 11:06 AM EST	Special Weather Statement	CTP	Cameron, Clinton, McKean, Union	99 min
Dec 6, 12:51 PM EST	Special Weather Statement	CTP	Cameron, Clinton, McKean, Union	114 min
Dec 6, 4:06 PM EST	Special Weather Statement	CTP	Cameron, Clinton	39 min
Dec 6, 4:51 PM EST	Special Weather Statement	CTP	Clinton	39 min
Dec 6, 9:43 PM EST	Special Weather Statement	CTP	Clinton	47 min
Dec 7, 1:31 AM EST	Special Weather Statement	CTP	Cameron, Clinton, Columbia, Lycoming, McKean, Montour	119 min
Dec 7, 3:35 AM EST	Special Weather Statement	CTP	Cameron, Clinton, Columbia, Lycoming, McKean, Montour and 5 more	3 hr
Dec 7, 7:23 AM EST	Special Weather Statement	CTP	Cameron, Clinton, Columbia, Lycoming, McKean, Montour and 6 more	3 hr
Dec 8, 3:24 AM EST	Lake Effect Snow Advisory	CLE	Crawford, Erie	36 hr
Dec 8, 11:06 AM EST	Special Weather Statement	CTP	Lycoming, Potter, Tioga	3 hr
Dec 8, 11:21 PM EST	Special Weather Statement	CTP	Centre, Clearfield	24 min
Dec 9, 12:27 AM EST	Special Weather Statement	CTP	Centre, Clearfield	48 min
Dec 9, 1:34 AM EST	Special Weather Statement	CTP	Centre	56 min
Dec 9, 2:58 AM EST	Lake Effect Snow Advisory	CTP	McKean, Warren	7 hr
Dec 10, 12:33 PM EST	Special Weather Statement	CTP	Clinton, Columbia, Cumberland, Dauphin, Juniata, Lancaster and 11 more	2 hr
Dec 10, 2:34 PM EST	Winter Storm Watch	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	38 hr
Dec 10, 3:37 PM EST	Winter Storm Watch	CLE	Crawford, Erie	37 hr
Dec 11, 2:28 PM EST	Lake Effect Snow Watch	CTP	McKean, Warren	23 hr
Dec 11, 2:28 PM EST	Winter Storm Watch	CTP	Cambria, Somerset	23 hr
Dec 11, 3:06 PM EST	Freezing Rain Advisory	PHI	Carbon, Lehigh, Monroe, Northampton	17 hr
Dec 11, 4:19 PM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	20 hr
Dec 11, 6:58 PM EST	Special Weather Statement	CTP	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more	2 hr
Dec 11, 7:16 PM EST	Freezing Rain Advisory	CTP	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more	3 hr
Dec 11, 10:40 PM EST	Freezing Rain Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 18 more	10 hr
Dec 12, 3:43 AM EST	Lake Effect Snow Warning	PBZ	Forest, Mercer, Venango	3 days
Dec 12, 3:43 AM EST	Winter Storm Warning	PBZ	Fayette, Westmoreland	63 hr
Dec 12, 3:43 AM EST	Winter Weather Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more	63 hr
Dec 12, 4:58 AM EST	Winter Storm Warning	CLE	Crawford, Erie	53 hr
Dec 12, 1:30 PM EST	Lake Effect Snow Warning	CTP	McKean, Warren	3 days
Dec 12, 1:30 PM EST	Winter Storm Warning	CTP	Cambria, Somerset	54 hr
Dec 12, 2:12 PM EST	Areal Flood Advisory	PHI	Berks, Chester	4 hr
Dec 13, 3:08 AM EST	Wind Chill Advisory	PBZ	Fayette, Westmoreland	55 hr
Dec 13, 4:55 AM EST	Lake Effect Snow Advisory	BGM	Susquehanna, Wayne	30 hr
Dec 13, 7:54 AM EST	Special Weather Statement	PBZ	Armstrong, Butler, Mercer	66 min
Dec 13, 8:00 AM EST	Special Weather Statement	PBZ	Armstrong, Butler, Mercer	3 hr
Dec 13, 8:13 AM EST	Special Weather Statement	PBZ	Allegheny, Beaver, Westmoreland	25 hr
Dec 13, 8:21 AM EST	Special Weather Statement	CTP	Lancaster, Lebanon, Schuylkill, York	54 min
Dec 13, 9:38 AM EST	Special Weather Statement	PBZ	Allegheny, Beaver, Lawrence	52 min
Dec 13, 10:30 AM EST	Special Weather Statement	PBZ	Butler, Lawrence	45 min
Dec 13, 11:16 AM EST	Special Weather Statement	PBZ	Armstrong, Butler, Lawrence, Mercer	59 min
Dec 13, 2:55 PM EST	Special Weather Statement	PBZ	Clarion	50 min
Dec 13, 5:00 PM EST	Special Weather Statement	PBZ	Butler, Mercer	45 min
Dec 13, 5:09 PM EST	Special Weather Statement	PBZ	Allegheny, Beaver	111 min
Dec 13, 7:11 PM EST	Special Weather Statement	PBZ	Allegheny, Beaver, Lawrence	109 min
Dec 13, 8:57 PM EST	Special Weather Statement	PBZ	Lawrence, Westmoreland	108 min
Dec 13, 9:15 PM EST	Special Weather Statement	CTP	Mifflin	30 min
Dec 14, 4:14 AM EST	Winter Weather Advisory	CTP	Cameron, Clearfield, Elk	15 hr
Dec 14, 6:45 AM EST	Special Weather Statement	PBZ	Allegheny	2 hr
Dec 14, 8:33 AM EST	Special Weather Statement	PBZ	Allegheny, Beaver, Lawrence, Westmoreland	57 min
Dec 14, 9:55 AM EST	Special Weather Statement	PBZ	Lawrence, Westmoreland	80 min
Dec 14, 10:00 AM EST	Winter Storm Warning	CLE	Crawford, Erie	29 hr
Dec 14, 11:01 AM EST	Special Weather Statement	PBZ	Lawrence, Westmoreland	89 min
Dec 14, 12:09 PM EST	Special Weather Statement	PBZ	Butler, Lawrence	81 min
Dec 14, 1:04 PM EST	Special Weather Statement	PBZ	Butler, Lawrence	86 min
Dec 14, 2:52 PM EST	Special Weather Statement	CTP	Clearfield, Mifflin	23 min
Dec 14, 7:14 PM EST	Winter Weather Advisory	CTP	Cambria, Cameron, Clearfield, Elk, Somerset	20 hr
Dec 15, 3:31 AM EST	Lake Effect Snow Advisory	CLE	Erie	12 hr
Dec 15, 8:11 AM EST	Special Weather Statement	PHI	Bucks, Lehigh	49 min
Dec 15, 3:01 PM EST	Lake Effect Snow Advisory	CTP	McKean, Warren	13 hr
Dec 15, 3:22 PM EST	Lake Effect Snow Advisory	CLE	Crawford, Erie	12 hr
Dec 15, 4:19 PM EST	Special Weather Statement	PBZ	Armstrong, Butler	116 min
Dec 16, 11:47 AM EST	Winter Weather Advisory	PHI	Delaware, Philadelphia	7 hr
Dec 17, 3:59 AM EST	Lake Effect Snow Advisory	CLE	Erie	15 hr
Dec 23, 12:40 PM EST	Winter Weather Advisory	BGM	Susquehanna	9 hr
Dec 23, 6:07 PM EST	Winter Weather Advisory	CLE	Crawford, Erie	16 hr
Dec 25, 4:16 AM EST	Winter Storm Watch	PHI	Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more	11 hr
Dec 25, 9:29 AM EST	Winter Storm Watch	BGM	Lackawanna, Luzerne, Pike, Wayne	17 hr
Dec 25, 12:01 PM EST	Winter Storm Watch	CTP	Adams, Dauphin, Lancaster, Lebanon, Schuylkill, York	17 hr
Dec 25, 2:56 PM EST	Winter Weather Advisory	PBZ	Fayette, Westmoreland	52 hr
Dec 25, 3:24 PM EST	Winter Storm Warning	PHI	Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more	38 hr
Dec 26, 2:54 AM EST	Winter Storm Warning	BGM	Pike	31 hr
Dec 26, 2:54 AM EST	Winter Weather Advisory	BGM	Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming	31 hr
Dec 26, 4:31 AM EST	Winter Storm Warning	CTP	Lancaster, Lebanon, Schuylkill	22 hr
Dec 26, 4:31 AM EST	Winter Weather Advisory	CTP	Adams, Columbia, Cumberland, Dauphin, Franklin, Juniata and 9 more	22 hr
Dec 26, 6:56 AM EST	Mesoscale Discussion	SPC	Bucks, Philadelphia	6 hr
Dec 26, 12:31 PM EST	Mesoscale Discussion	SPC	Bucks, Philadelphia	6 hr
Dec 26, 6:26 PM EST	Mesoscale Discussion	SPC	Pike	6 hr
Dec 27, 2:49 AM EST	Mesoscale Discussion	SPC	Bucks, Chester, Delaware, Lehigh, Montgomery, Northampton and 1 more	4 hr
Dec 27, 3:32 AM EST	Wind Advisory	CTP	Adams, Bedford, Cambria, Cumberland, Dauphin, Franklin and 7 more	17 hr
Dec 27, 4:14 AM EST	Wind Advisory	PHI	Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more	17 hr
Dec 27, 9:47 AM EST	Wind Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	9 hr
Dec 27, 2:17 PM EST	Lake Effect Snow Advisory	BGM	Susquehanna	13 hr
Dec 29, 3:24 PM EST	Freezing Rain Advisory	CLE	Crawford, Erie	20 hr
Dec 29, 10:30 PM EST	Freezing Rain Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	13 hr
Dec 30, 6:45 AM EST	Freezing Rain Advisory	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 6 more	6 hr
Dec 30, 9:42 PM EST	Special Weather Statement	CTP	Bedford, Blair, Cambria, Clearfield, Somerset	3 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
Mesoscale Discussion	6
Special Weather Statement	68
Flooding
Areal Flood Warning	11
Flash Flood Warning	2
River Flood Warning	40
River Flood Watch	1
Areal Flood Advisory	22
Winter
Lake Effect Snow Warning	5
Winter Storm Warning	9
Lake Effect Snow Watch	4
Winter Storm Watch	8
Freezing Rain Advisory	6
Lake Effect Snow Advisory	11
Winter Weather Advisory	13
Cold
Wind Chill Advisory	1
Wind and dust
Wind Advisory	3

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 2009 2011

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.