Alert archive / Pennsylvania / Warren County

Weather alerts in Warren County, Pennsylvania, 2010

152 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Warren County and its neighbors

Each county as a circle sized by its count in 2010. Tap one for its archive.

Alerts: 152
Warnings: 30
Watches: 29
Advisories: 27
Busiest month: June40 alerts
Busiest day: July 24, 201011 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

0 of 2 tornado warnings covering Warren County in 2010 had a tornado report inside them.

Warren County, 2010

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	2	0	100%	0
Severe thunderstorm warnings	16	7	56%	9	89%	34 min
Flash flood warnings	1	0	100%	0

Each office's whole area, 2010

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS State College, PA: tornado warnings	17	2	88%	6	50%	25 min
NWS State College, PA: severe thunderstorm warnings	213	131	38%	319	85%	27 min
NWS State College, PA: flash flood warnings	22	9	59%	24	71%	72 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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 1, 12:10 PM EST	Lake Effect Snow Advisory	CTP	3 days
Jan 4, 8:18 PM EST	Lake Effect Snow Advisory	CTP	38 hr
Jan 7, 4:26 AM EST	Winter Weather Advisory	CTP	54 hr
Jan 16, 2:48 PM EST	Freezing Rain Advisory	CTP	14 hr
Jan 23, 2:56 PM EST	Flood Watch	CTP	48 hr
Jan 25, 12:13 PM EST	Areal Flood Warning	CTP	14 hr
Jan 26, 3:27 PM EST	Lake Effect Snow Advisory	CTP	7 hr
Jan 27, 2:22 PM EST	Lake Effect Snow Watch	CTP	13 hr
Jan 28, 3:39 AM EST	Lake Effect Snow Advisory	CTP	18 hr
Feb 7, 9:31 PM EST	Winter Storm Watch	CTP	30 hr
Feb 9, 3:57 AM EST	Winter Weather Advisory	CTP	38 hr
Feb 15, 4:05 AM EST	Winter Weather Advisory	CTP	31 hr
Feb 17, 5:37 AM EST	Winter Weather Advisory	CTP	39 hr
Feb 22, 7:15 PM EST	Winter Weather Advisory	CTP	14 hr
Feb 23, 8:21 PM EST	Winter Storm Watch	CTP	29 hr
Feb 24, 3:15 PM EST	Winter Storm Warning	CTP	61 hr
Mar 10, 4:24 AM EST	Flood Watch	CTP	4 days
Apr 3, 3:33 AM EDT	Fire Weather Watch	CTP	11 hr
Apr 3, 2:50 PM EDT	Red Flag Warning	CTP	5 hr
Apr 6, 5:09 AM EDT	Special Weather Statement	CTP	51 min
Apr 6, 5:20 AM EDT	Mesoscale Discussion	SPC	85 min
Apr 6, 5:44 AM EDT	Special Weather Statement	CTP	31 min
Apr 7, 3:43 AM EDT	Red Flag Warning	CTP	15 hr
Apr 16, 1:28 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 25, 4:37 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 25, 6:16 PM EDT	Mesoscale Discussion	SPC	89 min
Apr 28, 2:36 PM EDT	Fire Weather Watch	CTP	15 hr
Apr 29, 5:22 AM EDT	Red Flag Warning	CTP	15 hr
May 5, 8:50 PM EDT	Severe Thunderstorm Warning	CTP	55 min
May 5, 9:41 PM EDT	Special Weather Statement	CTP	49 min
May 5, 9:46 PM EDT	Severe Thunderstorm Warning	CTP	44 min
May 7, 3:59 AM EDT	High Wind Watch	CTP	12 hr
May 7, 3:41 PM EDT	Wind Advisory	CTP	31 hr
May 7, 9:17 PM EDT	Mesoscale Discussion	SPC	58 min
May 7, 9:31 PM EDT	Severe Thunderstorm Watch	SPC	5 hr
May 7, 10:26 PM EDT	Special Weather Statement	CTP	49 min
May 7, 10:46 PM EDT	Severe Thunderstorm Warning	CTP	59 min
May 8, 2:24 PM EDT	Freeze Watch	CTP	14 hr
May 9, 4:11 AM EDT	Freeze Warning	CTP	28 hr
May 9, 2:13 PM EDT	Freeze Watch	CTP	25 hr
May 10, 2:50 PM EDT	Freeze Warning	CTP	17 hr
May 13, 8:30 PM EDT	Mesoscale Discussion	SPC	90 min
May 14, 3:33 AM EDT	Special Weather Statement	CTP	27 min
May 28, 7:16 AM EDT	Special Weather Statement	CTP	29 min
May 31, 1:14 PM EDT	Flash Flood Watch	CTP	14 hr
May 31, 1:45 PM EDT	Special Weather Statement	CTP	60 min
May 31, 2:31 PM EDT	Severe Thunderstorm Warning	CTP	59 min
May 31, 3:07 PM EDT	Severe Thunderstorm Warning	CTP	53 min
May 31, 3:18 PM EDT	Flash Flood Warning	CTP	3 hr
Jun 2, 1:39 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 2, 3:59 PM EDT	Special Weather Statement	CTP	31 min
Jun 2, 4:09 PM EDT	Special Weather Statement	CTP	66 min
Jun 2, 4:14 PM EDT	Mesoscale Discussion	SPC	91 min
Jun 3, 5:04 PM EDT	Special Weather Statement	CTP	56 min
Jun 3, 6:01 PM EDT	Areal Flood Advisory	CTP	3 hr
Jun 4, 2:39 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 4, 6:28 PM EDT	Special Weather Statement	CTP	62 min
Jun 4, 7:03 PM EDT	Mesoscale Discussion	SPC	57 min
Jun 5, 1:11 AM EDT	Special Weather Statement	CTP	64 min
Jun 5, 4:30 AM EDT	Flash Flood Watch	CTP	31 hr
Jun 6, 1:58 AM EDT	Special Weather Statement	CTP	62 min
Jun 6, 2:03 AM EDT	Tornado Watch	SPC	7 hr
Jun 6, 2:06 AM EDT	Severe Thunderstorm Warning	CTP	69 min
Jun 6, 3:38 AM EDT	Mesoscale Discussion	SPC	2 hr
Jun 6, 6:02 AM EDT	Special Weather Statement	CTP	43 min
Jun 6, 6:16 AM EDT	Severe Thunderstorm Warning	CTP	44 min
Jun 6, 6:33 AM EDT	Tornado Warning	CTP	42 min
Jun 6, 6:40 AM EDT	Severe Thunderstorm Warning	CTP	65 min
Jun 6, 7:05 AM EDT	Mesoscale Discussion	SPC	115 min
Jun 6, 7:51 AM EDT	Tornado Watch	SPC	7 hr
Jun 16, 1:39 PM EDT	Mesoscale Discussion	SPC	96 min
Jun 19, 6:04 PM EDT	Mesoscale Discussion	SPC	56 min
Jun 22, 3:48 PM EDT	Mesoscale Discussion	SPC	27 min
Jun 23, 9:42 PM EDT	Special Weather Statement	CTP	63 min
Jun 23, 11:23 PM EDT	Special Weather Statement	CTP	52 min
Jun 23, 11:53 PM EDT	Severe Thunderstorm Warning	CTP	52 min
Jun 24, 12:50 AM EDT	Areal Flood Advisory	CTP	4 hr
Jun 24, 1:07 AM EDT	Flash Flood Watch	CTP	9 hr
Jun 24, 1:30 AM EDT	Severe Thunderstorm Watch	SPC	3 hr
Jun 24, 2:04 AM EDT	Special Weather Statement	CTP	56 min
Jun 27, 3:49 PM EDT	Mesoscale Discussion	SPC	116 min
Jun 27, 4:19 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 27, 5:15 PM EDT	Special Weather Statement	CTP	75 min
Jun 27, 5:25 PM EDT	Severe Thunderstorm Warning	CTP	95 min
Jun 27, 8:12 PM EDT	Mesoscale Discussion	SPC	93 min
Jun 27, 8:47 PM EDT	Special Weather Statement	CTP	58 min
Jun 27, 8:54 PM EDT	Severe Thunderstorm Warning	CTP	66 min
Jun 28, 12:05 PM EDT	Mesoscale Discussion	SPC	55 min
Jun 28, 4:17 PM EDT	Special Weather Statement	CTP	58 min
Jul 13, 6:15 PM EDT	Areal Flood Advisory	CTP	3 hr
Jul 17, 7:30 PM EDT	Severe Thunderstorm Warning	CTP	48 min
Jul 17, 10:24 PM EDT	Severe Thunderstorm Warning	CTP	66 min
Jul 19, 4:49 AM EDT	Special Weather Statement	CTP	56 min
Jul 19, 5:42 AM EDT	Special Weather Statement	CTP	63 min
Jul 19, 5:50 AM EDT	Special Weather Statement	CTP	55 min
Jul 21, 10:43 AM EDT	Mesoscale Discussion	SPC	2 hr
Jul 21, 11:27 AM EDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 21, 1:14 PM EDT	Special Weather Statement	CTP	31 min
Jul 21, 1:51 PM EDT	Special Weather Statement	CTP	39 min
Jul 21, 1:59 PM EDT	Mesoscale Discussion	SPC	61 min
Jul 21, 3:41 PM EDT	Mesoscale Discussion	SPC	64 min
Jul 23, 12:14 PM EDT	Special Weather Statement	CTP	61 min
Jul 23, 12:14 PM EDT	Mesoscale Discussion	SPC	91 min
Jul 23, 12:46 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 23, 7:00 PM EDT	Mesoscale Discussion	SPC	60 min
Jul 23, 9:06 PM EDT	Mesoscale Discussion	SPC	54 min
Jul 23, 9:38 PM EDT	Special Weather Statement	CTP	52 min
Jul 23, 10:00 PM EDT	Areal Flood Advisory	CTP	3 hr
Jul 23, 10:01 PM EDT	Severe Thunderstorm Warning	CTP	44 min
Jul 23, 10:45 PM EDT	Mesoscale Discussion	SPC	90 min
Jul 24, 4:02 PM EDT	Mesoscale Discussion	SPC	58 min
Jul 24, 4:14 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 24, 5:04 PM EDT	Special Weather Statement	CTP	41 min
Jul 24, 5:30 PM EDT	Severe Thunderstorm Warning	CTP	90 min
Jul 24, 5:40 PM EDT	Tornado Warning	CTP	50 min
Jul 24, 5:55 PM EDT	Severe Thunderstorm Warning	CTP	65 min
Jul 25, 8:35 AM EDT	Special Weather Statement	CTP	55 min
Jul 25, 8:41 AM EDT	Areal Flood Advisory	CTP	3 hr
Jul 25, 9:35 AM EDT	Special Weather Statement	CTP	55 min
Jul 28, 4:21 PM EDT	Mesoscale Discussion	SPC	114 min
Jul 28, 4:40 PM EDT	Special Weather Statement	CTP	20 min
Jul 28, 7:15 PM EDT	Special Weather Statement	CTP	45 min
Jul 28, 7:57 PM EDT	Special Weather Statement	CTP	33 min
Jul 28, 11:40 PM EDT	Special Weather Statement	CTP	35 min
Aug 5, 7:38 PM EDT	Mesoscale Discussion	SPC	2 hr
Sep 7, 8:07 PM EDT	Special Weather Statement	CTP	23 min
Sep 16, 6:04 PM EDT	Mesoscale Discussion	SPC	56 min
Sep 23, 3:45 AM EDT	Dense Fog Advisory	CTP	2 hr
Oct 11, 3:19 PM EDT	Mesoscale Discussion	SPC	56 min
Oct 12, 4:10 AM EDT	Frost Advisory	CTP	28 hr
Oct 26, 1:09 PM EDT	Mesoscale Discussion	SPC	66 min
Oct 26, 1:36 PM EDT	Tornado Watch	SPC	7 hr
Oct 26, 4:09 PM EDT	Special Weather Statement	CTP	81 min
Oct 26, 5:27 PM EDT	Special Weather Statement	CTP	63 min
Oct 26, 5:45 PM EDT	Mesoscale Discussion	SPC	90 min
Nov 16, 2:25 PM EST	Wind Advisory	CTP	28 hr
Nov 24, 3:10 PM EST	Winter Weather Advisory	CTP	31 hr
Nov 29, 1:23 PM EST	Flood Watch	CTP	49 hr
Nov 30, 8:54 PM EST	Areal Flood Advisory	CTP	8 hr
Dec 1, 9:52 AM EST	Winter Weather Advisory	CTP	10 hr
Dec 1, 10:28 AM EST	River Flood Warning	CTP	5 hr
Dec 1, 2:30 PM EST	Areal Flood Warning	CTP	10 hr
Dec 3, 4:22 AM EST	Lake Effect Snow Advisory	CTP	28 hr
Dec 4, 2:24 PM EST	Lake Effect Snow Watch	CTP	14 hr
Dec 5, 4:05 AM EST	Lake Effect Snow Warning	CTP	4 days
Dec 5, 4:32 PM EST	Special Weather Statement	CTP	58 min
Dec 9, 2:58 AM EST	Lake Effect Snow Advisory	CTP	7 hr
Dec 11, 2:28 PM EST	Lake Effect Snow Watch	CTP	23 hr
Dec 11, 10:40 PM EST	Freezing Rain Advisory	CTP	10 hr
Dec 12, 1:30 PM EST	Lake Effect Snow Warning	CTP	3 days
Dec 15, 3:01 PM EST	Lake Effect Snow Advisory	CTP	13 hr
Dec 30, 6:45 AM EST	Freezing Rain Advisory	CTP	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	16
Tornado Warning	2
Severe Thunderstorm Watch	10
Tornado Watch	3
Mesoscale Discussion	28
Special Weather Statement	38
Flooding
Areal Flood Warning	2
Flash Flood Warning	1
River Flood Warning	1
Flash Flood Watch	3
Flood Watch	3
Areal Flood Advisory	6
Winter
Lake Effect Snow Warning	2
Winter Storm Warning	1
Lake Effect Snow Watch	3
Winter Storm Watch	2
Freezing Rain Advisory	3
Lake Effect Snow Advisory	7
Winter Weather Advisory	7
Cold
Freeze Warning	2
Freeze Watch	2
Frost Advisory	1
Wind and dust
High Wind Watch	1
Wind Advisory	2
Fire
Red Flag Warning	3
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	1

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast 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.