Weather alerts in Pennsylvania, December 2018

75 weather alerts in December 2018, 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 2018. Tap one for its archive.

Alerts: 75
Warnings: 15
Watches: 4
Advisories: 26
Busiest day: December 21, 201824 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, 10:58 PM EST	Special Weather Statement	PBZ	Washington	32 min
Dec 1, 11:24 PM EST	Special Weather Statement	PBZ	Greene	36 min
Dec 1, 11:31 PM EST	Special Weather Statement	PBZ	Allegheny	29 min
Dec 2, 3:17 AM EST	Coastal Flood Advisory	PHI	Bucks, Delaware, Philadelphia	9 hr
Dec 2, 8:24 AM EST	Dense Fog Advisory	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	21 hr
Dec 2, 4:28 PM EST	Mesoscale Discussion	SPC	Crawford, Erie, Mercer	92 min
Dec 2, 7:25 PM EST	Special Weather Statement	CLE	Crawford, Erie	65 min
Dec 2, 7:36 PM EST	Dense Fog Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	11 hr
Dec 2, 7:37 PM EST	Dense Fog Advisory	CTP	Adams, Bedford, Blair, Cameron, Centre, Clearfield and 24 more	8 hr
Dec 2, 7:38 PM EST	Special Weather Statement	PBZ	Venango	37 min
Dec 2, 8:01 PM EST	Special Weather Statement	CTP	Warren	89 min
Dec 3, 1:09 AM EST	Dense Fog Advisory	CTP	Clearfield	3 hr
Dec 5, 10:16 AM EST	Winter Weather Advisory	CLE	Erie	14 hr
Dec 5, 3:26 PM EST	Special Weather Statement	CTP	Cambria, Somerset	49 min
Dec 6, 3:26 AM EST	Winter Weather Advisory	CLE	Crawford, Erie	18 hr
Dec 6, 3:51 AM EST	Winter Weather Advisory	CTP	McKean, Warren	24 hr
Dec 6, 5:34 PM EST	Special Weather Statement	CLE	Crawford, Erie	41 min
Dec 6, 11:45 PM EST	Special Weather Statement	BGM	Bradford, Susquehanna, Wyoming	60 min
Dec 7, 12:42 AM EST	Special Weather Statement	BGM	Lackawanna, Luzerne, Wayne, Wyoming	48 min
Dec 7, 1:37 AM EST	Special Weather Statement	BGM	Pike	38 min
Dec 13, 12:36 PM EST	Special Weather Statement	BGM	Bradford, Susquehanna	39 min
Dec 13, 1:16 PM EST	Special Weather Statement	BGM	Susquehanna	44 min
Dec 13, 2:01 PM EST	Special Weather Statement	BGM	Susquehanna, Wayne	44 min
Dec 13, 2:42 PM EST	Special Weather Statement	BGM	Wayne	78 min
Dec 14, 7:44 AM EST	Dense Fog Advisory	CTP	Lancaster, York	3 hr
Dec 14, 7:44 AM EST	Dense Fog Advisory	PHI	Chester	3 hr
Dec 15, 11:52 AM EST	Winter Weather Advisory	BGM	Bradford, Pike, Susquehanna, Wayne	34 hr
Dec 15, 3:18 PM EST	Winter Weather Advisory	CTP	Cameron, Clinton, Elk, Lycoming, McKean, Potter and 2 more	20 hr
Dec 15, 3:20 PM EST	Winter Weather Advisory	PHI	Carbon, Monroe, Northampton	30 hr
Dec 16, 1:06 AM EST	Areal Flood Advisory	CTP	Bedford, Fulton, Huntingdon	4 hr
Dec 16, 7:25 AM EST	River Flood Warning	PHI	Chester	96 min
Dec 16, 12:28 PM EST	Areal Flood Advisory	PHI	Chester, Delaware	4 hr
Dec 16, 3:41 PM EST	Areal Flood Warning	PHI	Chester	4 hr
Dec 18, 3:16 PM EST	Flood Watch	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	3 days
Dec 19, 3:49 AM EST	Flood Watch	CTP	Adams, Centre, Clinton, Columbia, Cumberland, Dauphin and 17 more	69 hr
Dec 19, 3:18 PM EST	Flood Watch	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	58 hr
Dec 20, 11:05 AM EST	River Flood Advisory	PBZ	Allegheny	3 days
Dec 20, 3:39 PM EST	Coastal Flood Advisory	PHI	Bucks, Delaware, Philadelphia	22 hr
Dec 21, 3:44 AM EST	River Flood Warning	PHI	Chester	9 hr
Dec 21, 4:02 AM EST	Areal Flood Warning	PHI	Berks, Chester, Delaware, Montgomery, Philadelphia	4 hr
Dec 21, 4:09 AM EST	Areal Flood Warning	PHI	Bucks, Lehigh, Northampton	16 hr
Dec 21, 4:27 AM EST	Areal Flood Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	8 hr
Dec 21, 4:36 AM EST	Areal Flood Warning	PHI	Bucks, Montgomery, Philadelphia	7 hr
Dec 21, 5:10 AM EST	River Flood Warning	PHI	Delaware	5 hr
Dec 21, 5:20 AM EST	River Flood Warning	PHI	Chester, Delaware	14 hr
Dec 21, 7:59 AM EST	Areal Flood Advisory	CTP	Dauphin, Lebanon, Schuylkill	6 hr
Dec 21, 8:04 AM EST	Areal Flood Warning	PHI	Berks, Chester, Delaware, Montgomery, Philadelphia	7 hr
Dec 21, 8:51 AM EST	River Flood Warning	PHI	Bucks	6 hr
Dec 21, 12:15 PM EST	Areal Flood Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	4 hr
Dec 21, 2:20 PM EST	Winter Weather Advisory	CTP	Cambria, McKean, Somerset	22 hr
Dec 21, 3:06 PM EST	Special Weather Statement	CTP	Franklin	24 min
Dec 21, 3:24 PM EST	Special Weather Statement	CTP	Adams	36 min
Dec 21, 3:31 PM EST	Special Weather Statement	CTP	Franklin	29 min
Dec 21, 4:01 PM EST	Special Weather Statement	CTP	Clinton	44 min
Dec 21, 4:03 PM EST	Special Weather Statement	CTP	Mifflin	27 min
Dec 21, 4:07 PM EST	Special Weather Statement	CTP	Tioga	23 min
Dec 21, 4:15 PM EST	Severe Thunderstorm Warning	CTP	Tioga	45 min
Dec 21, 4:16 PM EST	Mesoscale Discussion	SPC	Adams, Centre, Clinton, Cumberland, Franklin, Huntingdon and 7 more	59 min
Dec 21, 4:33 PM EST	Special Weather Statement	CTP	Lycoming	27 min
Dec 21, 4:37 PM EST	Special Weather Statement	CTP	Mifflin	23 min
Dec 21, 5:01 PM EST	Special Weather Statement	CTP	Mifflin	29 min
Dec 21, 6:31 PM EST	Areal Flood Advisory	BGM	Bradford	3 hr
Dec 21, 7:41 PM EST	Special Weather Statement	BGM	Susquehanna	34 min
Dec 21, 7:44 PM EST	Special Weather Statement	BGM	Lackawanna	46 min
Dec 21, 8:18 PM EST	Special Weather Statement	BGM	Susquehanna	42 min
Dec 22, 12:45 AM EST	Special Weather Statement	BGM	Pike	45 min
Dec 22, 4:26 AM EST	River Flood Warning	CTP	Snyder, Union	13 hr
Dec 22, 6:19 AM EST	River Flood Warning	CTP	Huntingdon	16 hr
Dec 27, 3:33 AM EST	Wind Advisory	CLE	Erie	27 hr
Dec 27, 3:13 PM EST	Flood Watch	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	28 hr
Dec 28, 11:23 AM EST	Areal Flood Advisory	PHI	Chester, Delaware, Montgomery, Philadelphia	8 hr
Dec 28, 11:39 AM EST	Areal Flood Advisory	PHI	Bucks, Montgomery, Philadelphia	8 hr
Dec 28, 8:36 PM EST	Dense Fog Advisory	CTP	Adams, Cumberland, Franklin, Lancaster, York	6 hr
Dec 28, 8:57 PM EST	Dense Fog Advisory	PHI	Berks, Chester, Delaware	9 hr
Dec 30, 1:10 AM EST	Winter Weather Advisory	CTP	Cameron, Elk, McKean, Potter, Tioga, Warren	6 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	1
Mesoscale Discussion	2
Special Weather Statement	28
Flooding
Areal Flood Warning	7
River Flood Warning	7
Flood Watch	4
Areal Flood Advisory	6
River Flood Advisory	1
Winter
Winter Weather Advisory	8
Wind and dust
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	8
Coast and beach
Coastal Flood Advisory	2

By county

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

17 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2017 2019

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.