Weather alerts in Pennsylvania, December 2019

143 weather alerts in December 2019, 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 2019. Tap one for its archive.

Alerts: 143
Warnings: 39
Watches: 5
Advisories: 33
Busiest day: December 18, 201941 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, 7:29 PM EST	Ice Storm Warning	CTP	Bedford, Blair, Cambria, Somerset	23 hr
Nov 30, 7:29 PM EST	Winter Weather Advisory	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 10 more	63 hr
Dec 1, 5:45 AM EST	Mesoscale Discussion	SPC	Adams, Bedford, Blair, Cambria, Cameron, Centre and 22 more	6 hr
Dec 1, 3:33 PM EST	Winter Storm Warning	CTP	Sullivan, Tioga	27 hr
Dec 1, 3:58 PM EST	Winter Weather Advisory	PBZ	Fayette, Westmoreland	41 hr
Dec 1, 4:11 PM EST	Winter Weather Advisory	PHI	Berks, Bucks, Carbon, Chester, Lehigh, Montgomery and 1 more	32 hr
Dec 1, 4:25 PM EST	Severe Thunderstorm Warning	PBZ	Lawrence	39 min
Dec 1, 4:32 PM EST	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler	43 min
Dec 1, 4:50 PM EST	Special Weather Statement	PBZ	Butler	25 min
Dec 1, 4:59 PM EST	Severe Thunderstorm Warning	PBZ	Allegheny, Butler	46 min
Dec 2, 8:10 AM EST	Special Weather Statement	CTP	Tioga	65 min
Dec 2, 10:47 AM EST	Special Weather Statement	CTP	Cameron, Clinton	58 min
Dec 2, 11:54 AM EST	Special Weather Statement	CTP	Cameron, Centre, Clearfield	51 min
Dec 2, 1:33 PM EST	Special Weather Statement	CTP	Clearfield	57 min
Dec 3, 8:54 PM EST	Winter Weather Advisory	CLE	Erie	6 hr
Dec 4, 3:10 AM EST	Winter Weather Advisory	CTP	Cambria, McKean, Somerset, Warren	30 hr
Dec 4, 3:15 AM EST	Winter Weather Advisory	PBZ	Fayette, Westmoreland	30 hr
Dec 4, 3:19 AM EST	Lake Effect Snow Warning	CLE	Erie	31 hr
Dec 4, 3:19 AM EST	Winter Weather Advisory	CLE	Crawford	31 hr
Dec 4, 5:16 PM EST	Special Weather Statement	PBZ	Butler	89 min
Dec 4, 5:26 PM EST	Special Weather Statement	PBZ	Lawrence	94 min
Dec 4, 6:41 PM EST	Special Weather Statement	PBZ	Armstrong, Indiana	94 min
Dec 5, 5:46 AM EST	Special Weather Statement	PBZ	Armstrong, Indiana	44 min
Dec 10, 2:21 PM EST	Mesoscale Discussion	SPC	Erie	4 hr
Dec 10, 5:46 PM EST	Special Weather Statement	CLE	Erie	89 min
Dec 10, 5:46 PM EST	Winter Weather Advisory	CLE	Erie	25 hr
Dec 11, 2:55 PM EST	Special Weather Statement	CLE	Erie	80 min
Dec 11, 3:57 PM EST	Mesoscale Discussion	SPC	Erie	4 hr
Dec 11, 4:13 PM EST	Special Weather Statement	CLE	Erie	92 min
Dec 11, 7:03 PM EST	Special Weather Statement	CTP	Centre, Clearfield, Union	42 min
Dec 11, 8:27 PM EST	Special Weather Statement	CTP	Blair, Cambria, Huntingdon, Juniata, Mifflin	33 min
Dec 12, 1:32 PM EST	Winter Weather Advisory	PBZ	Fayette, Greene, Westmoreland	23 hr
Dec 13, 2:26 AM EST	Winter Weather Advisory	CTP	Bedford, Blair, Cambria, Centre, Clinton, Franklin and 8 more	12 hr
Dec 13, 3:40 PM EST	Flood Watch	PHI	Bucks	17 hr
Dec 13, 8:21 PM EST	Dense Fog Advisory	CTP	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more	4 hr
Dec 14, 3:10 AM EST	Winter Weather Advisory	CLE	Erie	8 hr
Dec 14, 8:20 AM EST	Dense Fog Advisory	CTP	Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 3 more	3 hr
Dec 14, 10:52 AM EST	Winter Storm Warning	CLE	Erie	17 hr
Dec 14, 10:52 AM EST	Winter Weather Advisory	CLE	Crawford, Erie	17 hr
Dec 15, 4:09 AM EST	Winter Weather Advisory	PBZ	Fayette, Greene	30 hr
Dec 15, 1:52 PM EST	Winter Weather Advisory	CTP	Adams, Bedford, Cumberland, Franklin, Fulton, Lancaster and 2 more	45 hr
Dec 15, 3:24 PM EST	Winter Weather Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	51 hr
Dec 15, 3:58 PM EST	Winter Weather Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	47 hr
Dec 15, 4:57 PM EST	Special Weather Statement	CTP	Warren	33 min
Dec 16, 3:16 AM EST	Winter Weather Advisory	CLE	Crawford, Erie	34 hr
Dec 16, 3:54 AM EST	Winter Weather Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more	31 hr
Dec 16, 4:24 AM EST	Winter Weather Advisory	CTP	Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 19 more	31 hr
Dec 16, 10:20 AM EST	River Flood Watch	PBZ	Fayette, Washington, Westmoreland	11 hr
Dec 16, 10:20 AM EST	River Flood Watch	PBZ	Allegheny, Washington, Westmoreland	11 hr
Dec 16, 3:30 PM EST	Winter Storm Warning	PHI	Carbon, Monroe	27 hr
Dec 16, 4:10 PM EST	Flood Watch	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	17 hr
Dec 16, 6:46 PM EST	Areal Flood Warning	PBZ	Fayette, Greene	9 hr
Dec 16, 8:40 PM EST	River Flood Advisory	PBZ	Allegheny	51 hr
Dec 17, 12:51 AM EST	Areal Flood Advisory	PHI	Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia	6 hr
Dec 17, 3:47 AM EST	Winter Storm Watch	CLE	Erie	12 hr
Dec 17, 3:54 AM EST	Areal Flood Warning	PBZ	Fayette, Greene	6 hr
Dec 17, 10:50 AM EST	River Flood Warning	PBZ	Fayette, Greene	21 hr
Dec 17, 10:50 AM EST	River Flood Warning	PBZ	Fayette, Greene	20 hr
Dec 17, 10:50 AM EST	River Flood Warning	PBZ	Fayette, Washington, Westmoreland	32 hr
Dec 17, 10:50 AM EST	River Flood Warning	PBZ	Allegheny, Washington, Westmoreland	38 hr
Dec 17, 11:06 AM EST	Mesoscale Discussion	SPC	Lackawanna, Pike, Susquehanna, Wayne	5 hr
Dec 17, 3:48 PM EST	Lake Effect Snow Warning	CLE	Crawford, Erie	35 hr
Dec 17, 3:48 PM EST	Winter Weather Advisory	CLE	Crawford, Erie	35 hr
Dec 18, 3:39 AM EST	Winter Weather Advisory	CTP	McKean, Warren	24 hr
Dec 18, 10:07 AM EST	Special Weather Statement	CTP	Potter, Tioga	53 min
Dec 18, 10:32 AM EST	Snow Squall Warning	CTP	Potter, Tioga	43 min
Dec 18, 10:38 AM EST	Special Weather Statement	BGM	Bradford	52 min
Dec 18, 10:46 AM EST	Special Weather Statement	CTP	Cameron, Clinton, Elk	59 min
Dec 18, 10:51 AM EST	Special Weather Statement	PBZ	Clarion, Jefferson, Mercer	54 min
Dec 18, 10:55 AM EST	Special Weather Statement	PBZ	Allegheny, Beaver, Westmoreland	65 min
Dec 18, 10:58 AM EST	Special Weather Statement	BGM	Susquehanna	62 min
Dec 18, 11:20 AM EST	Snow Squall Warning	CTP	Lycoming, Sullivan, Tioga	55 min
Dec 18, 11:30 AM EST	Snow Squall Warning	BGM	Bradford, Susquehanna, Wyoming	60 min
Dec 18, 11:51 AM EST	Special Weather Statement	PBZ	Armstrong, Butler, Clarion, Indiana, Jefferson, Lawrence and 1 more	84 min
Dec 18, 11:54 AM EST	Special Weather Statement	CTP	Clinton	66 min
Dec 18, 12:02 PM EST	Snow Squall Warning	BGM	Lackawanna, Susquehanna, Wayne	58 min
Dec 18, 12:03 PM EST	Special Weather Statement	CTP	Centre, Clearfield	87 min
Dec 18, 12:19 PM EST	Special Weather Statement	PBZ	Armstrong, Butler, Clarion, Indiana, Jefferson, Lawrence and 1 more	86 min
Dec 18, 12:23 PM EST	Snow Squall Warning	BGM	Lackawanna, Luzerne, Wayne, Wyoming	67 min
Dec 18, 12:29 PM EST	Special Weather Statement	PBZ	Allegheny	91 min
Dec 18, 12:36 PM EST	Special Weather Statement	BGM	Susquehanna	54 min
Dec 18, 12:54 PM EST	Snow Squall Warning	BGM	Lackawanna, Pike, Wayne	66 min
Dec 18, 1:02 PM EST	Special Weather Statement	PBZ	Allegheny	43 min
Dec 18, 1:18 PM EST	Snow Squall Warning	BGM	Lackawanna, Luzerne, Pike, Wayne	57 min
Dec 18, 1:29 PM EST	Snow Squall Warning	PHI	Carbon, Monroe	61 min
Dec 18, 1:50 PM EST	Special Weather Statement	PBZ	Allegheny, Washington, Westmoreland	55 min
Dec 18, 2:12 PM EST	Snow Squall Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	63 min
Dec 18, 2:23 PM EST	Snow Squall Warning	PHI	Carbon, Lehigh, Monroe, Northampton	67 min
Dec 18, 2:30 PM EST	Snow Squall Warning	CTP	Blair, Cambria, Huntingdon, Juniata, Mifflin	75 min
Dec 18, 2:44 PM EST	Special Weather Statement	PHI	Delaware, Philadelphia	46 min
Dec 18, 3:14 PM EST	Snow Squall Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	61 min
Dec 18, 3:29 PM EST	Special Weather Statement	PHI	Northampton	46 min
Dec 18, 3:44 PM EST	Special Weather Statement	PHI	Northampton	46 min
Dec 18, 3:53 PM EST	Special Weather Statement	CTP	Bedford, Fulton, Huntingdon, Juniata, Somerset	52 min
Dec 18, 4:06 PM EST	Snow Squall Warning	BGM	Bradford	54 min
Dec 18, 4:09 PM EST	Snow Squall Warning	PHI	Bucks	36 min
Dec 18, 4:16 PM EST	Special Weather Statement	PBZ	Fayette	59 min
Dec 18, 4:32 PM EST	Special Weather Statement	PBZ	Greene	43 min
Dec 18, 4:44 PM EST	Special Weather Statement	PHI	Bucks, Northampton	61 min
Dec 18, 4:58 PM EST	Special Weather Statement	BGM	Bradford, Susquehanna	62 min
Dec 18, 5:12 PM EST	Special Weather Statement	PHI	Berks, Delaware, Montgomery, Philadelphia	93 min
Dec 18, 5:31 PM EST	Special Weather Statement	PBZ	Fayette	44 min
Dec 18, 5:47 PM EST	Special Weather Statement	BGM	Susquehanna	58 min
Dec 18, 6:18 PM EST	Special Weather Statement	BGM	Lackawanna, Wayne, Wyoming	57 min
Dec 18, 7:12 PM EST	Special Weather Statement	BGM	Pike	63 min
Dec 18, 7:40 PM EST	Special Weather Statement	CTP	Centre, Clearfield	80 min
Dec 18, 11:49 PM EST	Snow Squall Warning	PHI	Bucks, Montgomery, Philadelphia	26 min
Dec 19, 12:09 AM EST	Snow Squall Warning	PHI	Bucks, Montgomery, Philadelphia	36 min
Dec 24, 12:00 PM EST	Dense Fog Advisory	CLE	Crawford, Erie	22 hr
Dec 24, 5:10 PM EST	Dense Fog Advisory	PBZ	Allegheny, Beaver, Butler, Lawrence, Mercer, Washington	17 hr
Dec 25, 10:09 AM EST	Dense Fog Advisory	PBZ	Allegheny, Beaver, Lawrence, Mercer	111 min
Dec 28, 7:43 PM EST	Dense Fog Advisory	PBZ	Fayette, Greene, Washington, Westmoreland	10 hr
Dec 29, 3:20 AM EST	Winter Weather Advisory	PHI	Carbon, Monroe	30 hr
Dec 29, 4:25 AM EST	Winter Weather Advisory	BGM	Lackawanna, Pike, Wayne	44 hr
Dec 30, 4:23 AM EST	Wind Advisory	CLE	Crawford, Erie	8 hr
Dec 31, 3:43 AM EST	Winter Weather Advisory	CLE	Crawford, Erie	29 hr
Dec 31, 12:03 PM EST	Special Weather Statement	CLE	Erie	87 min
Dec 31, 12:20 PM EST	Special Weather Statement	PBZ	Beaver, Butler, Clarion, Lawrence	25 min
Dec 31, 12:40 PM EST	Special Weather Statement	PBZ	Forest, Mercer, Venango	50 min
Dec 31, 12:53 PM EST	Special Weather Statement	PBZ	Beaver, Butler, Clarion, Forest, Lawrence	82 min
Dec 31, 12:55 PM EST	Special Weather Statement	CTP	Elk, McKean, Warren	80 min
Dec 31, 1:20 PM EST	Snow Squall Warning	CTP	McKean, Warren	55 min
Dec 31, 1:34 PM EST	Special Weather Statement	PBZ	Forest, Mercer, Venango	86 min
Dec 31, 1:47 PM EST	Mesoscale Discussion	SPC	Potter, Tioga	3 hr
Dec 31, 1:54 PM EST	Snow Squall Warning	CTP	Elk	81 min
Dec 31, 2:11 PM EST	Snow Squall Warning	CTP	Cameron, Elk, McKean, Potter	79 min
Dec 31, 2:27 PM EST	Special Weather Statement	PBZ	Armstrong, Beaver, Butler, Clarion, Jefferson, Lawrence	93 min
Dec 31, 2:34 PM EST	Special Weather Statement	CTP	Clearfield	56 min
Dec 31, 3:19 PM EST	Snow Squall Warning	CTP	Potter, Tioga	86 min
Dec 31, 3:29 PM EST	Snow Squall Warning	CTP	Centre, Clearfield	61 min
Dec 31, 3:31 PM EST	Special Weather Statement	PBZ	Armstrong, Beaver, Butler, Clarion, Jefferson, Lawrence	59 min
Dec 31, 3:50 PM EST	Special Weather Statement	BGM	Bradford	40 min
Dec 31, 4:16 PM EST	Special Weather Statement	CTP	Centre, Clinton, Lycoming, Montour, Union	89 min
Dec 31, 4:30 PM EST	Special Weather Statement	PBZ	Armstrong, Beaver, Butler, Lawrence	75 min
Dec 31, 4:31 PM EST	Mesoscale Discussion	SPC	Bradford, Lackawanna, Lycoming, Sullivan, Susquehanna, Wayne and 1 more	4 hr
Dec 31, 4:44 PM EST	Special Weather Statement	CTP	Cambria, Centre, Clearfield	61 min
Dec 31, 5:02 PM EST	Special Weather Statement	BGM	Bradford	58 min
Dec 31, 5:20 PM EST	Snow Squall Warning	BGM	Bradford	55 min
Dec 31, 5:44 PM EST	Snow Squall Warning	BGM	Bradford, Susquehanna, Wyoming	61 min
Dec 31, 5:45 PM EST	Special Weather Statement	PBZ	Allegheny, Armstrong, Beaver, Butler	30 min
Dec 31, 5:54 PM EST	Special Weather Statement	CTP	Centre, Clearfield, Union	81 min
Dec 31, 6:02 PM EST	Snow Squall Warning	BGM	Lackawanna, Susquehanna, Wayne	58 min
Dec 31, 6:19 PM EST	Special Weather Statement	PBZ	Allegheny, Armstrong, Beaver, Indiana	71 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	3
Mesoscale Discussion	6
Special Weather Statement	60
Flooding
Areal Flood Warning	2
River Flood Warning	4
Flood Watch	2
River Flood Watch	2
Areal Flood Advisory	1
River Flood Advisory	1
Winter
Ice Storm Warning	1
Lake Effect Snow Warning	2
Snow Squall Warning	24
Winter Storm Warning	3
Winter Storm Watch	1
Winter Weather Advisory	24
Wind and dust
Wind Advisory	1
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 2018 2020

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.