Alert archive / Pennsylvania / Potter County
Weather alerts in Potter County, Pennsylvania, 2014
135 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Potter County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 135
- Warnings
- 21
- Watches
- 15
- Advisories
- 52
- Busiest month
- January25 alerts
- Busiest day
- June 24, 20145 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Potter County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 6 | 60% | 11 | 73% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS State College, PA: tornado warnings | 16 | 3 | 81% | 4 | 50% | 22 min |
| NWS State College, PA: severe thunderstorm warnings | 158 | 99 | 37% | 242 | 86% | 27 min |
| NWS State College, PA: flash flood warnings | 20 | 13 | 35% | 70 | 84% | 219 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, 2:30 PM EST | Wind Chill Advisory | CTP | 46 hr |
| Jan 1, 2:30 PM EST | Winter Weather Advisory | CTP | 36 hr |
| Jan 2, 1:40 PM EST | Winter Storm Warning | CTP | 12 hr |
| Jan 3, 10:22 PM EST | Wind Chill Advisory | CTP | 7 hr |
| Jan 4, 5:31 AM EST | Wind Chill Watch | CTP | 48 hr |
| Jan 4, 2:38 PM EST | Freezing Rain Advisory | CTP | 33 hr |
| Jan 5, 3:01 PM EST | Wind Chill Warning | CTP | 65 hr |
| Jan 10, 1:22 PM EST | Flood Watch | CTP | 47 hr |
| Jan 10, 11:15 PM EST | Special Weather Statement | CTP | 3 hr |
| Jan 14, 10:33 PM EST | Special Weather Statement | CTP | 3 hr |
| Jan 17, 4:46 PM EST | Winter Weather Advisory | CTP | 17 hr |
| Jan 21, 4:52 AM EST | Wind Chill Advisory | CTP | 31 hr |
| Jan 21, 9:21 PM EST | Wind Chill Warning | CTP | 15 hr |
| Jan 22, 10:05 PM EST | Wind Chill Advisory | CTP | 36 hr |
| Jan 24, 4:12 AM EST | Winter Weather Advisory | CTP | 40 hr |
| Jan 24, 8:08 PM EST | Wind Chill Advisory | CTP | 37 hr |
| Jan 25, 5:42 PM EST | Special Weather Statement | CTP | 48 min |
| Jan 25, 6:42 PM EST | Special Weather Statement | CTP | 48 min |
| Jan 25, 7:37 PM EST | Special Weather Statement | CTP | 53 min |
| Jan 26, 3:57 AM EST | Wind Chill Watch | CTP | 23 hr |
| Jan 27, 2:49 AM EST | Wind Chill Warning | CTP | 33 hr |
| Jan 27, 2:49 AM EST | Wind Chill Advisory | CTP | 33 hr |
| Jan 27, 8:49 AM EST | Special Weather Statement | CTP | 56 min |
| Jan 28, 12:13 PM EST | Wind Chill Advisory | CTP | 3 hr |
| Jan 28, 12:13 PM EST | Wind Chill Advisory | CTP | 25 hr |
| Feb 3, 7:38 AM EST | Winter Storm Watch | CTP | 20 hr |
| Feb 4, 4:05 AM EST | Winter Storm Warning | CTP | 36 hr |
| Feb 4, 8:12 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 5, 12:57 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 8, 7:15 PM EST | Winter Weather Advisory | CTP | 24 hr |
| Feb 17, 4:35 AM EST | Winter Weather Advisory | CTP | 31 hr |
| Feb 17, 11:51 PM EST | Special Weather Statement | CTP | 54 min |
| Feb 18, 3:09 PM EST | Freezing Rain Advisory | CTP | 21 hr |
| Feb 27, 4:08 AM EST | Wind Chill Advisory | CTP | 30 hr |
| Feb 27, 10:31 AM EST | Special Weather Statement | CTP | 89 min |
| Feb 27, 11:23 AM EST | Special Weather Statement | CTP | 97 min |
| Mar 2, 1:47 PM EST | Wind Chill Advisory | CTP | 18 hr |
| Mar 3, 12:24 PM EST | Wind Chill Advisory | CTP | 19 hr |
| Mar 11, 3:27 AM EDT | Winter Storm Watch | CTP | 12 hr |
| Mar 11, 3:11 PM EDT | Winter Weather Advisory | CTP | 30 hr |
| Mar 12, 3:41 AM EDT | Wind Chill Advisory | CTP | 31 hr |
| Mar 29, 10:57 AM EDT | Winter Weather Advisory | CTP | 38 hr |
| Apr 12, 1:46 AM EDT | Dense Fog Advisory | CTP | 7 hr |
| Apr 14, 3:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 3, 6:28 PM EDT | Special Weather Statement | CTP | 32 min |
| May 9, 5:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 13, 8:53 AM EDT | Areal Flood Advisory | CTP | 2 hr |
| May 13, 7:57 PM EDT | Special Weather Statement | CTP | 48 min |
| May 14, 3:31 PM EDT | Special Weather Statement | CTP | 74 min |
| May 14, 4:27 PM EDT | Special Weather Statement | CTP | 63 min |
| May 15, 3:53 AM EDT | Flash Flood Watch | CTP | 31 hr |
| May 16, 12:15 AM EDT | Areal Flood Advisory | CTP | 6 hr |
| May 16, 6:09 AM EDT | Areal Flood Advisory | CTP | 4 hr |
| May 17, 2:34 PM EDT | Frost Advisory | CTP | 18 hr |
| May 18, 2:42 PM EDT | Frost Advisory | CTP | 18 hr |
| May 21, 3:02 AM EDT | Areal Flood Advisory | CTP | 3 hr |
| May 21, 3:12 AM EDT | Flash Flood Watch | CTP | 19 hr |
| May 21, 11:18 PM EDT | Special Weather Statement | CTP | 27 min |
| May 21, 11:46 PM EDT | Severe Thunderstorm Warning | CTP | 29 min |
| May 22, 12:09 AM EDT | Severe Thunderstorm Warning | CTP | 51 min |
| May 22, 11:49 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 1:42 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| May 27, 1:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 27, 2:56 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 3, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | 39 min |
| Jun 8, 3:26 PM EDT | Special Weather Statement | CTP | 64 min |
| Jun 11, 4:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 11, 9:35 PM EDT | Special Weather Statement | CTP | 25 min |
| Jun 17, 1:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 17, 6:51 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 17, 9:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 17, 10:24 PM EDT | Severe Thunderstorm Warning | CTP | 51 min |
| Jun 24, 12:42 PM EDT | Flash Flood Watch | CTP | 30 hr |
| Jun 24, 6:01 PM EDT | Special Weather Statement | CTP | 29 min |
| Jun 24, 6:09 PM EDT | Severe Thunderstorm Warning | CTP | 66 min |
| Jun 24, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | 59 min |
| Jun 24, 7:31 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jun 25, 12:20 AM EDT | Special Weather Statement | CTP | 40 min |
| Jun 25, 1:34 PM EDT | Areal Flood Advisory | CTP | 116 min |
| Jun 25, 1:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 4:00 PM EDT | Areal Flood Advisory | CTP | 3 hr |
| Jul 1, 11:45 AM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 1, 3:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 2, 12:47 AM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 2, 10:28 AM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 3, 1:36 PM EDT | Special Weather Statement | CTP | 24 min |
| Jul 3, 2:08 PM EDT | Severe Thunderstorm Warning | CTP | 67 min |
| Jul 7, 2:10 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jul 7, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 7, 3:11 PM EDT | Special Weather Statement | CTP | 64 min |
| Jul 7, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | 42 min |
| Jul 7, 4:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 8, 11:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 8, 1:04 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 4:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 8, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | 65 min |
| Jul 9, 12:53 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 13, 3:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 4:06 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 5:00 PM EDT | Special Weather Statement | CTP | 60 min |
| Jul 13, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | 44 min |
| Jul 27, 6:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 27, 6:52 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 27, 9:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Aug 3, 10:32 AM EDT | Flash Flood Watch | CTP | 9 hr |
| Aug 5, 3:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Aug 21, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | 59 min |
| Aug 21, 5:35 PM EDT | Areal Flood Warning | CTP | 3 hr |
| Aug 21, 6:46 PM EDT | Special Weather Statement | CTP | 44 min |
| Aug 23, 9:38 AM EDT | Areal Flood Advisory | CTP | 112 min |
| Sep 2, 2:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | 54 min |
| Sep 2, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 2, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | 58 min |
| Sep 2, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | 62 min |
| Sep 14, 4:44 PM EDT | Frost Advisory | CTP | 12 hr |
| Sep 21, 1:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Sep 26, 4:17 AM EDT | Dense Fog Advisory | CTP | 6 hr |
| Sep 27, 8:05 AM EDT | Dense Fog Advisory | CTP | 115 min |
| Sep 30, 3:23 AM EDT | Dense Fog Advisory | CTP | 6 hr |
| Oct 4, 8:46 PM EDT | Frost Advisory | CTP | 8 hr |
| Oct 9, 9:59 PM EDT | Frost Advisory | CTP | 11 hr |
| Oct 16, 1:28 AM EDT | Dense Fog Advisory | CTP | 5 hr |
| Nov 16, 9:55 AM EST | Winter Weather Advisory | CTP | 29 hr |
| Nov 21, 9:53 PM EST | Freezing Rain Advisory | CTP | 16 hr |
| Nov 22, 2:17 PM EST | Freezing Rain Advisory | CTP | 6 hr |
| Nov 22, 8:07 PM EST | Freezing Rain Advisory | CTP | 4 hr |
| Nov 23, 7:57 PM EST | Wind Advisory | CTP | 24 hr |
| Dec 1, 11:42 AM EST | Winter Weather Advisory | CTP | 37 hr |
| Dec 4, 12:10 PM EST | Winter Weather Advisory | CTP | 41 hr |
| Dec 10, 2:58 PM EST | Winter Weather Advisory | CTP | 33 hr |
| Dec 13, 4:38 PM EST | Winter Weather Advisory | CTP | 15 hr |
| Dec 18, 10:38 PM EST | Winter Weather Advisory | CTP | 8 hr |
| Dec 22, 11:11 AM EST | Freezing Rain Advisory | CTP | 20 hr |
| Dec 24, 3:57 AM EST | Wind Advisory | CTP | 32 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 | 15 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 25 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 6 |
| Winter Weather Advisory | 13 |
| Cold | |
| Wind Chill Warning | 3 |
| Wind Chill Watch | 2 |
| Frost Advisory | 5 |
| Wind Chill Advisory | 12 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.