Alert archive / Pennsylvania / Clearfield County

Weather alerts in Clearfield County, Pennsylvania, 2012

182 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Clearfield County and its neighbors

Each county as a circle sized by its count in 2012. Tap one for its archive.

Alerts: 182
Warnings: 49
Watches: 25
Advisories: 24
Busiest month: July37 alerts
Busiest day: July 26, 201213 alerts

Over time

By month

Warning verification

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

Clearfield County, 2012

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	0			0
Severe thunderstorm warnings	25	19	24%	13	62%	27 min
Flash flood warnings	1	0	100%	0

Each office's whole area, 2012

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS State College, PA: tornado warnings	6	2	67%	8	50%	24 min
NWS State College, PA: severe thunderstorm warnings	226	133	41%	370	84%	28 min
NWS State College, PA: flash flood warnings	21	11	48%	24	88%	62 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, 4:10 AM EST	Wind Advisory	CTP	21 hr
Jan 1, 2:12 PM EST	Winter Weather Advisory	CTP	48 hr
Jan 2, 9:08 AM EST	Special Weather Statement	CTP	3 hr
Jan 2, 6:02 PM EST	Special Weather Statement	CTP	28 min
Jan 2, 10:15 PM EST	Special Weather Statement	CTP	60 min
Jan 3, 3:45 AM EST	Special Weather Statement	CTP	45 min
Jan 3, 11:28 AM EST	Special Weather Statement	CTP	62 min
Jan 3, 12:38 PM EST	Special Weather Statement	CTP	67 min
Jan 12, 4:50 AM EST	Winter Weather Advisory	CTP	41 hr
Jan 12, 2:36 PM EST	Wind Advisory	CTP	28 hr
Jan 14, 9:39 PM EST	Special Weather Statement	CTP	51 min
Jan 14, 10:37 PM EST	Special Weather Statement	CTP	113 min
Jan 16, 4:10 AM EST	Winter Weather Advisory	CTP	26 hr
Jan 16, 4:50 PM EST	Special Weather Statement	CTP	55 min
Jan 17, 4:10 AM EST	Wind Advisory	CTP	24 hr
Jan 17, 7:20 PM EST	Severe Thunderstorm Warning	CTP	55 min
Jan 19, 4:49 AM EST	Winter Weather Advisory	CTP	19 hr
Jan 19, 7:15 PM EST	Special Weather Statement	CTP	90 min
Jan 19, 8:34 PM EST	Special Weather Statement	CTP	86 min
Jan 20, 4:28 AM EST	Winter Weather Advisory	CTP	30 hr
Jan 21, 12:59 AM EST	Mesoscale Discussion	SPC	4 hr
Jan 22, 3:09 AM EST	Freezing Rain Advisory	CTP	33 hr
Jan 23, 5:36 PM EST	Special Weather Statement	CTP	54 min
Jan 25, 11:03 PM EST	Winter Weather Advisory	CTP	10 hr
Jan 29, 5:06 PM EST	Special Weather Statement	CTP	114 min
Feb 10, 3:09 PM EST	Winter Weather Advisory	CTP	52 hr
Feb 23, 1:46 PM EST	High Wind Watch	CTP	8 hr
Feb 23, 9:52 PM EST	High Wind Warning	CTP	24 hr
Feb 23, 9:52 PM EST	Wind Advisory	CTP	37 hr
Feb 25, 5:33 AM EST	Special Weather Statement	CTP	27 min
Feb 25, 5:12 PM EST	Special Weather Statement	CTP	63 min
Feb 25, 6:15 PM EST	Special Weather Statement	CTP	60 min
Feb 28, 3:04 PM EST	Winter Weather Advisory	CTP	22 hr
Mar 2, 2:17 PM EST	Wind Advisory	CTP	29 hr
Mar 4, 12:52 PM EST	Special Weather Statement	CTP	68 min
Mar 4, 2:09 PM EST	Special Weather Statement	CTP	51 min
Mar 8, 7:50 PM EST	Special Weather Statement	CTP	40 min
Mar 28, 8:29 AM EDT	Special Weather Statement	CTP	46 min
Mar 28, 8:48 AM EDT	Special Weather Statement	CTP	42 min
Apr 2, 1:34 PM EDT	Freeze Warning	CTP	18 hr
Apr 4, 3:04 PM EDT	Freeze Warning	CTP	17 hr
Apr 5, 2:10 PM EDT	Freeze Warning	CTP	18 hr
Apr 6, 11:01 AM EDT	Red Flag Warning	CTP	33 hr
Apr 6, 11:05 AM EDT	Freeze Warning	CTP	21 hr
Apr 7, 3:58 AM EDT	Fire Weather Watch	CTP	16 hr
Apr 7, 2:41 PM EDT	Freeze Warning	CTP	17 hr
Apr 7, 8:27 PM EDT	Red Flag Warning	CTP	24 hr
Apr 8, 4:49 AM EDT	Fire Weather Watch	CTP	17 hr
Apr 8, 9:49 PM EDT	Red Flag Warning	CTP	22 hr
Apr 10, 4:12 AM EDT	Freeze Watch	CTP	7 hr
Apr 10, 11:08 AM EDT	Freeze Warning	CTP	22 hr
Apr 11, 4:45 AM EDT	Freeze Watch	CTP	10 hr
Apr 11, 2:21 PM EDT	Freeze Watch	CTP	13 hr
Apr 11, 2:21 PM EDT	Freeze Warning	CTP	18 hr
Apr 12, 3:48 AM EDT	Freeze Warning	CTP	29 hr
Apr 16, 1:33 PM EDT	Mesoscale Discussion	SPC	87 min
Apr 21, 4:17 PM EDT	Winter Storm Watch	CTP	24 hr
Apr 22, 4:20 PM EDT	Winter Storm Warning	CTP	34 hr
Apr 24, 7:00 PM EDT	Freeze Warning	CTP	13 hr
Apr 26, 4:46 AM EDT	Freeze Watch	CTP	10 hr
Apr 26, 2:39 PM EDT	Freeze Warning	CTP	18 hr
Apr 27, 4:26 AM EDT	Freeze Watch	CTP	5 hr
Apr 27, 9:40 AM EDT	Freeze Warning	CTP	23 hr
Apr 28, 4:04 AM EDT	Freeze Watch	CTP	11 hr
Apr 28, 2:34 PM EDT	Freeze Warning	CTP	18 hr
Apr 29, 3:39 AM EDT	Freeze Watch	CTP	6 hr
Apr 29, 9:51 AM EDT	Freeze Warning	CTP	23 hr
May 2, 4:56 PM EDT	Mesoscale Discussion	SPC	2 hr
May 3, 4:04 PM EDT	Severe Thunderstorm Warning	CTP	45 min
May 3, 4:18 PM EDT	Flash Flood Warning	CTP	3 hr
May 3, 4:44 PM EDT	Special Weather Statement	CTP	31 min
May 4, 1:26 PM EDT	Mesoscale Discussion	SPC	2 hr
May 7, 3:28 PM EDT	Special Weather Statement	CTP	47 min
May 7, 4:15 PM EDT	Special Weather Statement	CTP	45 min
May 10, 2:58 PM EDT	Frost Advisory	CTP	17 hr
May 16, 2:55 PM EDT	Special Weather Statement	CTP	65 min
May 16, 3:19 PM EDT	Severe Thunderstorm Warning	CTP	56 min
May 16, 3:43 PM EDT	Severe Thunderstorm Warning	CTP	56 min
May 26, 1:16 PM EDT	Special Weather Statement	CTP	29 min
May 26, 1:46 PM EDT	Special Weather Statement	CTP	29 min
May 26, 2:34 PM EDT	Special Weather Statement	CTP	56 min
May 26, 2:35 PM EDT	Special Weather Statement	CTP	55 min
May 27, 4:12 PM EDT	Mesoscale Discussion	SPC	63 min
May 27, 4:25 PM EDT	Special Weather Statement	CTP	35 min
May 27, 4:37 PM EDT	Severe Thunderstorm Warning	CTP	53 min
May 27, 5:10 PM EDT	Severe Thunderstorm Warning	CTP	80 min
May 27, 5:21 PM EDT	Severe Thunderstorm Watch	SPC	4 hr
May 29, 9:48 AM EDT	Mesoscale Discussion	SPC	87 min
May 29, 10:27 AM EDT	Severe Thunderstorm Watch	SPC	5 hr
May 29, 1:22 PM EDT	Severe Thunderstorm Warning	CTP	53 min
May 29, 1:25 PM EDT	Mesoscale Discussion	SPC	65 min
May 29, 2:12 PM EDT	Severe Thunderstorm Warning	CTP	63 min
May 29, 3:12 PM EDT	Mesoscale Discussion	SPC	63 min
Jun 1, 5:44 PM EDT	Severe Thunderstorm Warning	CTP	61 min
Jun 1, 5:46 PM EDT	Mesoscale Discussion	SPC	89 min
Jun 1, 6:04 PM EDT	Tornado Watch	SPC	5 hr
Jun 1, 6:06 PM EDT	Severe Thunderstorm Warning	CTP	54 min
Jun 1, 6:24 PM EDT	Areal Flood Advisory	CTP	2 hr
Jun 1, 6:38 PM EDT	Severe Thunderstorm Warning	CTP	67 min
Jun 1, 7:06 PM EDT	Severe Thunderstorm Warning	CTP	54 min
Jun 3, 2:41 PM EDT	Special Weather Statement	CTP	94 min
Jun 3, 3:48 PM EDT	Special Weather Statement	CTP	72 min
Jun 3, 6:10 PM EDT	Severe Thunderstorm Warning	CTP	50 min
Jun 3, 6:59 PM EDT	Severe Thunderstorm Warning	CTP	61 min
Jun 3, 8:33 PM EDT	Special Weather Statement	CTP	42 min
Jun 7, 3:22 PM EDT	Special Weather Statement	CTP	38 min
Jun 7, 3:31 PM EDT	Special Weather Statement	CTP	44 min
Jun 12, 4:46 PM EDT	Special Weather Statement	CTP	59 min
Jun 12, 5:42 PM EDT	Special Weather Statement	CTP	63 min
Jun 29, 12:45 AM EDT	Mesoscale Discussion	SPC	90 min
Jun 29, 1:58 AM EDT	Special Weather Statement	CTP	32 min
Jun 29, 2:24 AM EDT	Special Weather Statement	CTP	51 min
Jul 3, 9:50 PM EDT	Special Weather Statement	CTP	55 min
Jul 3, 10:36 PM EDT	Special Weather Statement	CTP	54 min
Jul 7, 11:19 AM EDT	Mesoscale Discussion	SPC	86 min
Jul 7, 1:48 PM EDT	Mesoscale Discussion	SPC	57 min
Jul 7, 2:16 PM EDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 7, 3:57 PM EDT	Mesoscale Discussion	SPC	2 hr
Jul 7, 4:37 PM EDT	Special Weather Statement	CTP	38 min
Jul 7, 4:50 PM EDT	Severe Thunderstorm Warning	CTP	55 min
Jul 7, 5:52 PM EDT	Special Weather Statement	CTP	53 min
Jul 7, 6:00 PM EDT	Severe Thunderstorm Warning	CTP	44 min
Jul 7, 6:14 PM EDT	Severe Thunderstorm Watch	SPC	3 hr
Jul 15, 3:21 PM EDT	Special Weather Statement	CTP	69 min
Jul 16, 4:03 AM EDT	Special Weather Statement	CTP	27 min
Jul 18, 10:25 AM EDT	Mesoscale Discussion	SPC	2 hr
Jul 18, 12:41 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 19, 3:13 PM EDT	Special Weather Statement	CTP	77 min
Jul 26, 4:31 AM EDT	Mesoscale Discussion	SPC	89 min
Jul 26, 5:10 AM EDT	Special Weather Statement	CTP	35 min
Jul 26, 5:43 AM EDT	Special Weather Statement	CTP	32 min
Jul 26, 12:26 PM EDT	Mesoscale Discussion	SPC	2 hr
Jul 26, 1:16 PM EDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 26, 1:48 PM EDT	Severe Thunderstorm Warning	CTP	72 min
Jul 26, 2:51 PM EDT	Severe Thunderstorm Warning	CTP	69 min
Jul 26, 3:37 PM EDT	Mesoscale Discussion	SPC	113 min
Jul 26, 3:46 PM EDT	Severe Thunderstorm Warning	CTP	74 min
Jul 26, 3:54 PM EDT	Severe Thunderstorm Warning	CTP	66 min
Jul 26, 4:48 PM EDT	Severe Thunderstorm Warning	CTP	57 min
Jul 26, 7:06 PM EDT	Special Weather Statement	CTP	54 min
Jul 26, 7:46 PM EDT	Severe Thunderstorm Warning	CTP	59 min
Jul 27, 3:55 PM EDT	Special Weather Statement	CTP	35 min
Jul 27, 4:06 PM EDT	Flash Flood Watch	CTP	12 hr
Jul 28, 12:13 PM EDT	Flash Flood Watch	CTP	8 hr
Jul 31, 1:43 PM EDT	Special Weather Statement	CTP	32 min
Jul 31, 2:15 PM EDT	Special Weather Statement	CTP	45 min
Jul 31, 2:31 PM EDT	Areal Flood Advisory	CTP	119 min
Jul 31, 3:26 PM EDT	Special Weather Statement	CTP	34 min
Jul 31, 4:15 PM EDT	Special Weather Statement	CTP	30 min
Aug 4, 3:56 PM EDT	Special Weather Statement	CTP	34 min
Aug 5, 12:06 PM EDT	Mesoscale Discussion	SPC	84 min
Aug 10, 12:49 PM EDT	Mesoscale Discussion	SPC	86 min
Aug 20, 7:25 PM EDT	Special Weather Statement	CTP	35 min
Sep 4, 8:22 PM EDT	Special Weather Statement	CTP	38 min
Sep 7, 6:38 PM EDT	Mesoscale Discussion	SPC	97 min
Sep 8, 5:00 AM EDT	Mesoscale Discussion	SPC	60 min
Sep 8, 11:07 AM EDT	Special Weather Statement	CTP	53 min
Sep 8, 11:49 AM EDT	Severe Thunderstorm Warning	CTP	56 min
Sep 8, 11:57 AM EDT	Severe Thunderstorm Warning	CTP	63 min
Sep 8, 12:32 PM EDT	Severe Thunderstorm Warning	CTP	58 min
Oct 7, 4:54 AM EDT	Frost Advisory	CTP	28 hr
Oct 8, 5:31 AM EDT	Freeze Watch	CTP	9 hr
Oct 8, 2:13 PM EDT	Freeze Warning	CTP	18 hr
Oct 10, 6:08 PM EDT	Freeze Warning	CTP	15 hr
Oct 11, 3:42 AM EDT	Freeze Watch	CTP	31 hr
Oct 12, 10:15 AM EDT	Freeze Warning	CTP	22 hr
Oct 18, 8:32 PM EDT	Special Weather Statement	CTP	43 min
Oct 27, 4:39 AM EDT	Flood Watch	CTP	3 days
Oct 27, 3:05 PM EDT	High Wind Watch	CTP	13 hr
Oct 28, 4:11 AM EDT	High Wind Warning	CTP	48 hr
Oct 29, 8:36 PM EDT	Areal Flood Advisory	CTP	8 hr
Oct 30, 4:18 AM EDT	Wind Advisory	CTP	6 hr
Oct 30, 1:03 PM EDT	Areal Flood Advisory	CTP	4 hr
Dec 7, 3:44 AM EST	Mesoscale Discussion	SPC	6 hr
Dec 20, 12:26 PM EST	Winter Weather Advisory	CTP	49 hr
Dec 24, 2:56 AM EST	Winter Weather Advisory	CTP	26 hr
Dec 24, 4:00 PM EST	Winter Storm Watch	CTP	22 hr
Dec 25, 2:09 PM EST	Winter Storm Warning	CTP	40 hr
Dec 26, 11:40 AM EST	Mesoscale Discussion	SPC	6 hr
Dec 28, 2:57 AM EST	Winter Weather Advisory	CTP	58 hr
Dec 30, 1:58 PM EST	Special Weather Statement	CTP	47 min
Dec 30, 2:48 PM EST	Special Weather Statement	CTP	57 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	25
Severe Thunderstorm Watch	6
Tornado Watch	1
Mesoscale Discussion	23
Special Weather Statement	61
Flooding
Flash Flood Warning	1
Flash Flood Watch	2
Flood Watch	1
Areal Flood Advisory	4
Winter
Winter Storm Warning	2
Winter Storm Watch	2
Freezing Rain Advisory	1
Winter Weather Advisory	11
Cold
Freeze Warning	16
Freeze Watch	9
Frost Advisory	2
Wind and dust
High Wind Warning	2
High Wind Watch	2
Wind Advisory	6
Fire
Red Flag Warning	3
Fire Weather Watch	2

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2011 2013

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.