Alert archive / Pennsylvania / Jefferson County

Weather alerts in Jefferson County, Pennsylvania, 2011

143 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Jefferson County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts: 143
Warnings: 25
Watches: 26
Advisories: 31
Busiest month: April26 alerts
Busiest day: April 25, 20117 alerts

Over time

By month

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	Lasted
Jan 6, 10:40 PM EST	Special Weather Statement	PBZ	110 min
Jan 7, 8:54 PM EST	Winter Weather Advisory	PBZ	39 hr
Jan 9, 2:36 PM EST	Winter Storm Watch	PBZ	25 hr
Jan 10, 3:19 PM EST	Winter Weather Advisory	PBZ	3 days
Jan 17, 2:20 PM EST	Winter Weather Advisory	PBZ	20 hr
Jan 19, 7:02 AM EST	Freezing Rain Advisory	PBZ	3 hr
Jan 19, 2:40 PM EST	Winter Weather Advisory	PBZ	37 hr
Jan 21, 3:23 AM EST	Winter Weather Advisory	PBZ	15 hr
Jan 30, 3:30 PM EST	Winter Storm Watch	PBZ	19 hr
Jan 31, 10:55 AM EST	Winter Storm Warning	PBZ	41 hr
Feb 1, 3:07 PM EST	Wind Advisory	PBZ	24 hr
Feb 1, 8:39 PM EST	Mesoscale Discussion	SPC	6 hr
Feb 4, 3:46 PM EST	Winter Weather Advisory	PBZ	30 hr
Feb 7, 3:45 PM EST	Winter Weather Advisory	PBZ	20 hr
Feb 8, 3:33 PM EST	Wind Chill Advisory	PBZ	18 hr
Feb 9, 3:32 PM EST	Wind Chill Advisory	PBZ	18 hr
Feb 10, 3:09 PM EST	Wind Chill Advisory	PBZ	17 hr
Feb 13, 2:39 PM EST	Wind Advisory	PBZ	28 hr
Feb 18, 2:54 PM EST	Wind Advisory	PBZ	24 hr
Feb 20, 4:00 AM EST	Winter Weather Advisory	PBZ	17 hr
Feb 20, 7:46 PM EST	Mesoscale Discussion	SPC	4 hr
Feb 20, 8:42 PM EST	Winter Storm Warning	PBZ	14 hr
Feb 20, 11:50 PM EST	Mesoscale Discussion	SPC	5 hr
Feb 21, 12:08 PM EST	Winter Weather Advisory	PBZ	16 hr
Feb 23, 10:29 AM EST	Flood Watch	PBZ	50 hr
Feb 24, 2:48 PM EST	Winter Weather Advisory	PBZ	24 hr
Feb 27, 2:59 AM EST	Flood Watch	PBZ	36 hr
Feb 28, 2:00 AM EST	Special Weather Statement	PBZ	60 min
Feb 28, 3:18 AM EST	Special Weather Statement	PBZ	57 min
Feb 28, 6:32 AM EST	Special Weather Statement	PBZ	28 min
Feb 28, 6:39 AM EST	Areal Flood Warning	PBZ	15 hr
Feb 28, 9:13 PM EST	River Flood Warning	PBZ	8 hr
Mar 4, 3:47 AM EST	Flood Watch	PBZ	54 hr
Mar 4, 10:39 PM EST	River Flood Watch	PBZ	13 hr
Mar 5, 3:24 PM EST	Winter Storm Watch	PBZ	4 hr
Mar 5, 7:50 PM EST	Winter Weather Advisory	PBZ	19 hr
Mar 6, 6:58 AM EST	River Flood Warning	PBZ	21 hr
Mar 8, 2:21 PM EST	Flood Watch	PBZ	52 hr
Mar 9, 2:41 PM EST	Winter Storm Watch	PBZ	25 hr
Mar 10, 3:51 PM EST	Winter Weather Advisory	PBZ	26 hr
Mar 10, 3:54 PM EST	Areal Flood Advisory	PBZ	7 hr
Mar 10, 9:54 PM EST	Areal Flood Warning	PBZ	12 hr
Mar 11, 4:27 AM EST	River Flood Warning	PBZ	38 hr
Mar 21, 4:03 AM EDT	Special Weather Statement	PBZ	57 min
Apr 4, 10:59 AM EDT	Special Weather Statement	PBZ	2 hr
Apr 15, 3:30 AM EDT	Wind Advisory	PBZ	35 hr
Apr 16, 4:01 PM EDT	Wind Advisory	PBZ	27 hr
Apr 20, 2:22 AM EDT	Severe Thunderstorm Watch	SPC	3 hr
Apr 20, 5:13 AM EDT	Special Weather Statement	PBZ	47 min
Apr 21, 2:55 PM EDT	Flash Flood Watch	PBZ	53 hr
Apr 23, 6:00 PM EDT	Special Weather Statement	PBZ	60 min
Apr 25, 1:52 PM EDT	Mesoscale Discussion	SPC	83 min
Apr 25, 1:59 PM EDT	Severe Thunderstorm Warning	PBZ	46 min
Apr 25, 2:37 PM EDT	Tornado Warning	PBZ	23 min
Apr 25, 2:47 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 25, 2:59 PM EDT	Severe Thunderstorm Warning	PBZ	30 min
Apr 25, 6:00 PM EDT	Mesoscale Discussion	SPC	60 min
Apr 25, 6:58 PM EDT	Special Weather Statement	PBZ	32 min
Apr 26, 1:18 PM EDT	Mesoscale Discussion	SPC	57 min
Apr 26, 1:49 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 26, 4:12 PM EDT	Mesoscale Discussion	SPC	63 min
Apr 26, 6:51 PM EDT	Mesoscale Discussion	SPC	54 min
Apr 27, 10:09 AM EDT	Flash Flood Watch	PBZ	18 hr
Apr 27, 1:24 PM EDT	Mesoscale Discussion	SPC	96 min
Apr 27, 3:10 PM EDT	Tornado Watch	SPC	7 hr
Apr 27, 3:55 PM EDT	Severe Thunderstorm Warning	PBZ	65 min
Apr 27, 4:06 PM EDT	Special Weather Statement	PBZ	54 min
Apr 27, 4:50 PM EDT	Severe Thunderstorm Warning	PBZ	25 min
Apr 27, 5:16 PM EDT	Severe Thunderstorm Warning	PBZ	44 min
Apr 28, 6:57 AM EDT	High Wind Warning	PBZ	5 hr
May 13, 5:37 PM EDT	Special Weather Statement	PBZ	53 min
May 14, 4:10 AM EDT	Flash Flood Watch	PBZ	20 hr
May 15, 8:42 AM EDT	Special Weather Statement	PBZ	3 hr
May 15, 10:28 AM EDT	Areal Flood Warning	PBZ	6 hr
May 23, 10:33 AM EDT	Mesoscale Discussion	SPC	87 min
May 23, 8:07 PM EDT	Mesoscale Discussion	SPC	83 min
May 24, 12:10 AM EDT	Special Weather Statement	PBZ	35 min
May 25, 10:10 PM EDT	Severe Thunderstorm Warning	PBZ	35 min
May 25, 10:39 PM EDT	Special Weather Statement	PBZ	36 min
May 26, 5:25 PM EDT	Severe Thunderstorm Warning	PBZ	50 min
May 26, 5:40 PM EDT	Severe Thunderstorm Warning	PBZ	33 min
May 26, 5:49 PM EDT	Mesoscale Discussion	SPC	56 min
May 26, 6:06 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
May 29, 6:17 PM EDT	Severe Thunderstorm Watch	SPC	5 hr
May 29, 9:47 PM EDT	Mesoscale Discussion	SPC	58 min
May 29, 9:56 PM EDT	Special Weather Statement	PBZ	49 min
Jun 4, 12:54 PM EDT	Severe Thunderstorm Warning	PBZ	66 min
Jun 4, 1:43 PM EDT	Severe Thunderstorm Warning	PBZ	51 min
Jun 9, 3:56 AM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 9, 10:36 AM EDT	Mesoscale Discussion	SPC	84 min
Jun 9, 11:33 AM EDT	Mesoscale Discussion	SPC	57 min
Jun 9, 12:53 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 11, 4:37 PM EDT	Special Weather Statement	PBZ	23 min
Jun 16, 4:36 PM EDT	Special Weather Statement	PBZ	39 min
Jun 16, 5:22 PM EDT	Special Weather Statement	PBZ	53 min
Jun 16, 6:01 PM EDT	Mesoscale Discussion	SPC	89 min
Jun 16, 6:07 PM EDT	Special Weather Statement	PBZ	53 min
Jun 16, 6:58 PM EDT	Areal Flood Advisory	PBZ	3 hr
Jun 22, 12:34 AM EDT	Special Weather Statement	PBZ	41 min
Jun 23, 3:21 PM EDT	Special Weather Statement	PBZ	54 min
Jun 23, 3:27 PM EDT	Mesoscale Discussion	SPC	2 hr
Jun 23, 4:11 PM EDT	Severe Thunderstorm Warning	PBZ	64 min
Jun 23, 9:28 PM EDT	Special Weather Statement	PBZ	47 min
Jun 28, 1:19 PM EDT	Mesoscale Discussion	SPC	86 min
Jul 2, 9:01 PM EDT	Mesoscale Discussion	SPC	59 min
Jul 18, 1:18 PM EDT	Mesoscale Discussion	SPC	117 min
Jul 20, 11:32 AM EDT	Heat Advisory	PBZ	30 hr
Jul 22, 5:37 PM EDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 22, 8:13 PM EDT	Mesoscale Discussion	SPC	62 min
Jul 25, 11:12 AM EDT	Mesoscale Discussion	SPC	63 min
Jul 25, 11:37 AM EDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 25, 3:16 PM EDT	Mesoscale Discussion	SPC	59 min
Jul 28, 4:03 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 14, 8:30 PM EDT	Special Weather Statement	PBZ	45 min
Aug 19, 9:22 AM EDT	Severe Thunderstorm Warning	PBZ	53 min
Aug 24, 11:48 PM EDT	Mesoscale Discussion	SPC	87 min
Aug 25, 12:42 AM EDT	Severe Thunderstorm Watch	SPC	5 hr
Aug 25, 2:31 AM EDT	Mesoscale Discussion	SPC	119 min
Aug 25, 2:33 AM EDT	Special Weather Statement	PBZ	57 min
Aug 25, 3:29 AM EDT	Special Weather Statement	PBZ	46 min
Sep 5, 3:49 PM EDT	Flash Flood Watch	PBZ	36 hr
Sep 9, 8:23 PM EDT	Special Weather Statement	PBZ	52 min
Sep 9, 8:33 PM EDT	Flash Flood Watch	PBZ	7 hr
Sep 9, 9:25 PM EDT	Special Weather Statement	PBZ	50 min
Sep 10, 9:12 AM EDT	Areal Flood Advisory	PBZ	3 hr
Sep 10, 10:48 AM EDT	Areal Flood Warning	PBZ	4 hr
Sep 13, 8:20 PM EDT	Severe Thunderstorm Warning	PBZ	55 min
Sep 13, 9:21 PM EDT	Special Weather Statement	PBZ	24 min
Sep 13, 10:05 PM EDT	Severe Thunderstorm Warning	PBZ	25 min
Sep 13, 10:35 PM EDT	Special Weather Statement	PBZ	25 min
Sep 13, 11:01 PM EDT	Special Weather Statement	PBZ	59 min
Sep 23, 9:57 PM EDT	Dense Fog Advisory	PBZ	11 hr
Oct 14, 2:53 PM EDT	Wind Advisory	PBZ	28 hr
Oct 22, 4:12 AM EDT	Frost Advisory	PBZ	29 hr
Oct 28, 6:48 AM EDT	Dense Fog Advisory	PBZ	2 hr
Oct 29, 11:43 PM EDT	Dense Fog Advisory	PBZ	11 hr
Nov 14, 6:03 PM EST	Mesoscale Discussion	SPC	117 min
Nov 14, 8:25 PM EST	Special Weather Statement	PBZ	65 min
Nov 14, 8:41 PM EST	Mesoscale Discussion	SPC	2 hr
Nov 14, 9:10 PM EST	Special Weather Statement	PBZ	65 min
Dec 15, 4:51 PM EST	Special Weather Statement	PBZ	69 min
Dec 21, 5:42 PM EST	Special Weather Statement	PBZ	48 min
Dec 27, 4:21 AM EST	Winter Weather Advisory	PBZ	24 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	14
Tornado Warning	1
Severe Thunderstorm Watch	11
Tornado Watch	1
Mesoscale Discussion	27
Special Weather Statement	34
Flooding
Areal Flood Warning	4
River Flood Warning	3
Flash Flood Watch	5
Flood Watch	4
River Flood Watch	1
Areal Flood Advisory	3
Winter
Winter Storm Warning	2
Winter Storm Watch	4
Freezing Rain Advisory	1
Winter Weather Advisory	13
Heat
Heat Advisory	1
Cold
Frost Advisory	1
Wind Chill Advisory	3
Wind and dust
High Wind Warning	1
Wind Advisory	6
Fog and smoke
Dense Fog Advisory	3

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2010 2012

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.