Alert archive / Pennsylvania / Clearfield County
Weather alerts in Clearfield County, Pennsylvania, 2010
179 weather alerts in 2010, 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 2010. Tap one for its archive.
- Alerts
- 179
- Warnings
- 39
- Watches
- 25
- Advisories
- 33
- Busiest month
- June33 alerts
- Busiest day
- July 21, 20108 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 Clearfield County in 2010 had a tornado report inside them.
Clearfield 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 | 23 | 14 | 39% | 11 | 100% | 32 min |
| Flash flood warnings | 0 | 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 | Winter Weather Advisory | CTP | 3 days |
| Jan 1, 6:18 PM EST | Special Weather Statement | CTP | 57 min |
| Jan 2, 4:25 AM EST | Special Weather Statement | CTP | 80 min |
| Jan 2, 5:43 AM EST | Special Weather Statement | CTP | 32 min |
| Jan 2, 6:50 AM EST | Special Weather Statement | CTP | 40 min |
| Jan 2, 8:51 PM EST | Wind Chill Advisory | CTP | 14 hr |
| Jan 4, 6:22 AM EST | Special Weather Statement | CTP | 113 min |
| Jan 7, 4:26 AM EST | Winter Weather Advisory | CTP | 54 hr |
| Jan 8, 9:38 AM EST | Special Weather Statement | CTP | 37 min |
| Jan 16, 2:48 PM EST | Freezing Rain Advisory | CTP | 14 hr |
| Jan 16, 7:24 PM EST | Winter Weather Advisory | CTP | 32 hr |
| Jan 21, 1:48 PM EST | Winter Weather Advisory | CTP | 22 hr |
| Jan 23, 2:56 PM EST | Flood Watch | CTP | 48 hr |
| Jan 25, 2:24 AM EST | Areal Flood Warning | CTP | 10 hr |
| Jan 25, 5:38 AM EST | Areal Flood Warning | CTP | 24 hr |
| Jan 25, 12:17 PM EST | Areal Flood Warning | CTP | 14 hr |
| Jan 26, 12:56 AM EST | Special Weather Statement | CTP | 64 min |
| Jan 26, 1:53 AM EST | Special Weather Statement | CTP | 52 min |
| Jan 28, 10:07 AM EST | Winter Weather Advisory | CTP | 6 hr |
| Feb 4, 3:09 PM EST | Winter Storm Watch | CTP | 13 hr |
| Feb 4, 3:09 PM EST | Winter Storm Warning | CTP | 46 hr |
| Feb 5, 3:40 AM EST | Winter Weather Advisory | CTP | 30 hr |
| Feb 7, 9:31 PM EST | Winter Storm Watch | CTP | 30 hr |
| Feb 8, 3:56 PM EST | Winter Storm Warning | CTP | 54 hr |
| Feb 15, 4:05 AM EST | Winter Weather Advisory | CTP | 31 hr |
| Feb 15, 1:41 PM EST | Mesoscale Discussion | SPC | 5 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 24, 3:15 PM EST | Winter Weather Advisory | CTP | 48 hr |
| Mar 10, 4:24 AM EST | Flood Watch | CTP | 4 days |
| Mar 13, 10:09 AM EST | Wind Advisory | CTP | 12 hr |
| Mar 13, 4:51 PM EST | Areal Flood Advisory | CTP | 7 hr |
| Mar 13, 7:35 PM EST | Areal Flood Warning | CTP | 5 hr |
| Mar 14, 1:03 PM EDT | Areal Flood Advisory | CTP | 6 hr |
| Mar 22, 6:53 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| 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, 5:20 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 7, 3:43 AM EDT | Red Flag Warning | CTP | 15 hr |
| Apr 8, 3:25 PM EDT | Special Weather Statement | CTP | 35 min |
| Apr 8, 4:29 PM EDT | Special Weather Statement | CTP | 31 min |
| Apr 8, 4:56 PM EDT | Severe Thunderstorm Warning | CTP | 34 min |
| Apr 16, 12:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 16, 1:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 16, 3:35 PM EDT | Special Weather Statement | CTP | 85 min |
| Apr 16, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | 58 min |
| Apr 16, 4:28 PM EDT | Severe Thunderstorm Warning | CTP | 62 min |
| Apr 16, 4:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 16, 6:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 25, 2:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| 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 4, 10:53 AM EDT | Mesoscale Discussion | SPC | 97 min |
| May 4, 1:04 PM EDT | Special Weather Statement | CTP | 26 min |
| May 6, 2:59 AM EDT | Special Weather Statement | CTP | 46 min |
| May 6, 4:04 AM EDT | Special Weather Statement | CTP | 41 min |
| May 7, 3:41 PM EDT | Wind Advisory | CTP | 31 hr |
| May 7, 9:31 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 7, 11:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 8, 1:54 AM EDT | Special Weather Statement | CTP | 36 min |
| May 8, 2:36 AM EDT | Mesoscale Discussion | SPC | 54 min |
| May 8, 2:40 AM EDT | Severe Thunderstorm Warning | CTP | 35 min |
| May 8, 2:24 PM EDT | Freeze Watch | CTP | 14 hr |
| May 9, 4:11 AM EDT | Freeze Warning | CTP | 28 hr |
| May 14, 5:47 AM EDT | Special Weather Statement | CTP | 28 min |
| May 14, 6:04 AM EDT | Severe Thunderstorm Warning | CTP | 41 min |
| May 28, 12:23 PM EDT | Special Weather Statement | CTP | 37 min |
| May 28, 12:56 PM EDT | Special Weather Statement | CTP | 34 min |
| May 28, 1:04 PM EDT | Severe Thunderstorm Warning | CTP | 41 min |
| May 28, 1:14 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 28, 3:22 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 31, 1:14 PM EDT | Flash Flood Watch | CTP | 14 hr |
| May 31, 4:42 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| May 31, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | 66 min |
| Jun 3, 12:10 AM EDT | Special Weather Statement | CTP | 20 min |
| Jun 3, 12:32 AM EDT | Special Weather Statement | CTP | 43 min |
| Jun 3, 1:21 AM EDT | Special Weather Statement | CTP | 24 min |
| Jun 3, 10:13 PM EDT | Special Weather Statement | CTP | 62 min |
| Jun 4, 2:39 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 4, 4:53 PM EDT | Special Weather Statement | CTP | 22 min |
| Jun 4, 7:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 5, 4:30 AM EDT | Flash Flood Watch | CTP | 31 hr |
| Jun 5, 5:24 PM EDT | Areal Flood Advisory | CTP | 107 min |
| Jun 6, 2:03 AM EDT | Tornado Watch | SPC | 7 hr |
| Jun 6, 3:38 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 7:05 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 6, 7:51 AM EDT | Tornado Watch | SPC | 7 hr |
| Jun 6, 8:50 AM EDT | Special Weather Statement | CTP | 55 min |
| Jun 6, 9:23 AM EDT | Severe Thunderstorm Warning | CTP | 67 min |
| Jun 6, 9:34 AM EDT | Severe Thunderstorm Warning | CTP | 86 min |
| Jun 10, 12:26 AM EDT | Dense Fog Advisory | CTP | 7 hr |
| Jun 16, 5:54 AM EDT | Special Weather Statement | CTP | 51 min |
| Jun 16, 6:45 AM EDT | Special Weather Statement | CTP | 60 min |
| Jun 16, 1:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 19, 6:04 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 22, 8:42 AM EDT | Special Weather Statement | CTP | 48 min |
| Jun 22, 9:30 AM EDT | Special Weather Statement | CTP | 30 min |
| Jun 22, 11:35 AM EDT | Mesoscale Discussion | SPC | 25 min |
| Jun 22, 3:48 PM EDT | Mesoscale Discussion | SPC | 27 min |
| Jun 23, 6:35 PM EDT | Special Weather Statement | CTP | 70 min |
| Jun 23, 6:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 23, 6:45 PM EDT | Severe Thunderstorm Warning | CTP | 60 min |
| Jun 23, 6:46 PM EDT | Severe Thunderstorm Watch | SPC | 2 hr |
| Jun 24, 9:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 24, 10:10 AM EDT | Special Weather Statement | CTP | 50 min |
| Jun 24, 10:19 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 24, 12:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 9, 3:53 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 9, 3:54 PM EDT | Flash Flood Watch | CTP | 8 hr |
| Jul 9, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 17, 9:37 PM EDT | Special Weather Statement | CTP | 23 min |
| Jul 17, 9:46 PM EDT | Severe Thunderstorm Warning | CTP | 44 min |
| Jul 17, 10:29 PM EDT | Severe Thunderstorm Warning | CTP | 57 min |
| Jul 21, 11:27 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 21, 1:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 21, 3:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 21, 4:03 PM EDT | Severe Thunderstorm Warning | CTP | 57 min |
| Jul 21, 6:08 PM EDT | Severe Thunderstorm Warning | CTP | 52 min |
| Jul 21, 6:47 PM EDT | Tornado Warning | CTP | 28 min |
| Jul 21, 7:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 21, 7:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 23, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 3:27 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| Jul 23, 4:03 PM EDT | Severe Thunderstorm Warning | CTP | 57 min |
| Jul 23, 5:18 PM EDT | Severe Thunderstorm Warning | CTP | 57 min |
| Jul 23, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | 30 min |
| Jul 23, 6:23 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jul 23, 9:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 23, 10:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 24, 6:48 PM EDT | Tornado Watch | SPC | 4 hr |
| Jul 24, 8:14 PM EDT | Severe Thunderstorm Warning | CTP | 76 min |
| Jul 24, 9:07 PM EDT | Special Weather Statement | CTP | 23 min |
| Jul 24, 9:45 PM EDT | Severe Thunderstorm Warning | CTP | 29 min |
| Jul 24, 10:10 PM EDT | Special Weather Statement | CTP | 35 min |
| Jul 25, 10:48 AM EDT | Mesoscale Discussion | SPC | 27 min |
| Jul 29, 6:50 AM EDT | Special Weather Statement | CTP | 40 min |
| Aug 4, 5:41 PM EDT | Special Weather Statement | CTP | 34 min |
| Aug 4, 6:18 PM EDT | Special Weather Statement | CTP | 57 min |
| Aug 16, 4:21 AM EDT | Special Weather Statement | CTP | 54 min |
| Aug 16, 5:09 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 3, 4:52 PM EDT | Special Weather Statement | CTP | 83 min |
| Sep 22, 1:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Sep 22, 2:24 PM EDT | Severe Thunderstorm Warning | CTP | 66 min |
| Sep 22, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 22, 3:00 PM EDT | Tornado Warning | CTP | 30 min |
| Sep 22, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | 58 min |
| Sep 23, 3:45 AM EDT | Dense Fog Advisory | CTP | 2 hr |
| Sep 28, 6:44 AM EDT | Special Weather Statement | CTP | 46 min |
| Sep 30, 11:38 AM EDT | Areal Flood Advisory | CTP | 16 hr |
| Sep 30, 3:30 PM EDT | Areal Flood Warning | CTP | 4 hr |
| Oct 11, 3:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Oct 11, 7:58 PM EDT | Special Weather Statement | CTP | 47 min |
| Oct 12, 4:10 AM EDT | Frost Advisory | CTP | 28 hr |
| Oct 26, 1:36 PM EDT | Tornado Watch | SPC | 7 hr |
| Oct 26, 6:09 PM EDT | Special Weather Statement | CTP | 66 min |
| Oct 26, 6:59 PM EDT | Special Weather Statement | CTP | 46 min |
| Nov 16, 2:25 PM EST | Wind Advisory | CTP | 28 hr |
| Nov 16, 9:38 PM EST | Special Weather Statement | CTP | 52 min |
| Nov 24, 3:10 PM EST | Winter Weather Advisory | CTP | 31 hr |
| Nov 25, 5:02 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Nov 29, 1:23 PM EST | Flood Watch | CTP | 49 hr |
| Nov 30, 8:54 PM EST | Areal Flood Advisory | CTP | 8 hr |
| Nov 30, 11:36 PM EST | Areal Flood Warning | CTP | 6 hr |
| Dec 1, 4:52 AM EST | Areal Flood Warning | CTP | 6 hr |
| Dec 1, 8:47 AM EST | Areal Flood Warning | CTP | 6 hr |
| Dec 1, 9:52 AM EST | Winter Weather Advisory | CTP | 10 hr |
| Dec 3, 4:17 PM EST | Special Weather Statement | CTP | 28 min |
| Dec 5, 2:16 PM EST | Winter Weather Advisory | CTP | 53 hr |
| Dec 6, 2:23 AM EST | Special Weather Statement | CTP | 3 hr |
| Dec 8, 11:21 PM EST | Special Weather Statement | CTP | 24 min |
| Dec 9, 12:27 AM EST | Special Weather Statement | CTP | 48 min |
| Dec 11, 10:40 PM EST | Freezing Rain Advisory | CTP | 10 hr |
| Dec 14, 4:14 AM EST | Winter Weather Advisory | CTP | 15 hr |
| Dec 14, 2:52 PM EST | Special Weather Statement | CTP | 23 min |
| Dec 14, 7:14 PM EST | Winter Weather Advisory | CTP | 20 hr |
| Dec 30, 6:45 AM EST | Freezing Rain Advisory | CTP | 6 hr |
| Dec 30, 9:42 PM EST | Special Weather Statement | CTP | 3 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 | 23 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 33 |
| Special Weather Statement | 49 |
| Flooding | |
| Areal Flood Warning | 8 |
| Flash Flood Watch | 3 |
| Flood Watch | 3 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 3 |
| Winter Weather Advisory | 15 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.