Alert archive / Pennsylvania / Potter County
Weather alerts in Potter County, Pennsylvania, 2022
109 weather alerts in 2022, 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 2022. Tap one for its archive.
- Alerts
- 109
- Warnings
- 19
- Watches
- 16
- Advisories
- 25
- Busiest month
- March19 alerts
- Busiest day
- March 7, 20226 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, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 6 | 14% | 5 | 80% | 7 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS State College, PA: tornado warnings | 4 | 0 | 100% | 4 | 0% | |
| NWS State College, PA: severe thunderstorm warnings | 152 | 108 | 29% | 278 | 86% | 21 min |
| NWS State College, PA: flash flood warnings | 3 | 1 | 67% | 3 | 100% | 28 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 8, 3:22 AM EST | Winter Weather Advisory | CTP | 34 hr |
| Jan 8, 10:37 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 9, 2:35 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 9, 6:08 AM EST | Ice Storm Warning | CTP | 6 hr |
| Jan 10, 8:03 PM EST | Special Weather Statement | CTP | 42 min |
| Jan 10, 8:37 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Jan 13, 8:09 PM EST | Wind Chill Advisory | CTP | 40 hr |
| Jan 14, 4:05 AM EST | Winter Storm Watch | CTP | 35 hr |
| Jan 15, 3:45 AM EST | Winter Storm Warning | CTP | 63 hr |
| Jan 28, 4:49 AM EST | Wind Chill Advisory | CTP | 52 hr |
| Feb 1, 3:25 AM EST | Winter Storm Watch | CTP | 49 hr |
| Feb 2, 2:49 PM EST | Winter Storm Warning | CTP | 43 hr |
| Feb 3, 2:15 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 3, 8:29 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 16, 10:16 AM EST | Flood Watch | CTP | 50 hr |
| Feb 18, 2:29 PM EST | Winter Weather Advisory | CTP | 26 hr |
| Feb 18, 2:47 PM EST | Wind Advisory | CTP | 28 hr |
| Feb 19, 5:56 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 19, 8:18 AM EST | Special Weather Statement | CTP | 87 min |
| Feb 19, 8:47 AM EST | Snow Squall Warning | CTP | 88 min |
| Feb 19, 10:09 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 24, 4:11 AM EST | Winter Weather Advisory | CTP | 30 hr |
| Feb 24, 9:13 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 27, 6:22 PM EST | Special Weather Statement | CTP | 3 hr |
| Mar 5, 12:28 PM EST | Wind Advisory | CTP | 31 hr |
| Mar 6, 7:51 PM EST | Special Weather Statement | CTP | 24 min |
| Mar 7, 4:15 AM EST | Wind Advisory | CTP | 21 hr |
| Mar 7, 3:53 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 7, 4:49 PM EST | Severe Thunderstorm Warning | CTP | 41 min |
| Mar 7, 4:54 PM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 7, 5:22 PM EST | Severe Thunderstorm Warning | CTP | 38 min |
| Mar 8, 3:13 PM EST | Winter Weather Advisory | CTP | 26 hr |
| Mar 9, 12:38 PM EST | Winter Storm Warning | CTP | 5 hr |
| Mar 10, 5:15 AM EST | Winter Storm Watch | CTP | 23 hr |
| Mar 11, 4:26 AM EST | Winter Storm Warning | CTP | 37 hr |
| Mar 12, 5:03 PM EST | Winter Weather Advisory | CTP | 8 hr |
| Mar 19, 1:24 AM EDT | Special Weather Statement | CTP | 36 min |
| Mar 28, 10:28 AM EDT | Special Weather Statement | CTP | 92 min |
| Mar 28, 11:53 AM EDT | Snow Squall Warning | CTP | 52 min |
| Mar 28, 12:44 PM EDT | Snow Squall Warning | CTP | 91 min |
| Mar 29, 1:38 PM EDT | Winter Weather Advisory | CTP | 24 hr |
| Mar 31, 12:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Mar 31, 1:05 PM EDT | Severe Thunderstorm Warning | CTP | 40 min |
| Apr 14, 10:56 AM EDT | Special Weather Statement | CTP | 64 min |
| Apr 14, 11:46 AM EDT | Special Weather Statement | CTP | 74 min |
| Apr 18, 4:43 AM EDT | Winter Weather Advisory | CTP | 27 hr |
| May 16, 9:44 AM EDT | Mesoscale Discussion | SPC | 91 min |
| May 16, 9:55 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 17, 1:27 PM EDT | Frost Advisory | CTP | 19 hr |
| May 20, 10:39 AM EDT | Mesoscale Discussion | SPC | 96 min |
| May 21, 5:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 21, 10:00 PM EDT | Special Weather Statement | CTP | 30 min |
| Jun 1, 1:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 1, 2:19 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 1, 4:40 PM EDT | Special Weather Statement | CTP | 35 min |
| Jun 1, 4:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 1, 5:08 PM EDT | Special Weather Statement | CTP | 52 min |
| Jun 1, 6:26 PM EDT | Special Weather Statement | CTP | 19 min |
| Jun 15, 8:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 16, 1:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 16, 2:43 PM EDT | Tornado Watch | SPC | 8 hr |
| Jun 22, 3:46 AM EDT | Flood Watch | CTP | 19 hr |
| Jun 22, 1:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 22, 1:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 5:45 PM EDT | Severe Thunderstorm Warning | CTP | 44 min |
| Jul 1, 8:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 22, 12:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 23, 5:58 PM EDT | Special Weather Statement | CTP | 47 min |
| Jul 24, 1:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 2:09 PM EDT | Severe Thunderstorm Warning | CTP | 51 min |
| Jul 24, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 24, 2:59 PM EDT | Severe Thunderstorm Warning | CTP | 61 min |
| Jul 24, 4:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 24, 9:16 PM EDT | Special Weather Statement | CTP | 29 min |
| Jul 24, 9:47 PM EDT | Special Weather Statement | CTP | 28 min |
| Jul 25, 12:52 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 25, 1:40 AM EDT | Tornado Watch | SPC | 3 hr |
| Aug 4, 12:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 4, 1:12 PM EDT | Severe Thunderstorm Warning | CTP | 49 min |
| Aug 16, 4:21 PM EDT | Special Weather Statement | CTP | 9 min |
| Aug 17, 1:41 PM EDT | Special Weather Statement | CTP | 34 min |
| Aug 17, 2:52 PM EDT | Special Weather Statement | CTP | 38 min |
| Aug 29, 5:38 PM EDT | Special Weather Statement | CTP | 37 min |
| Sep 5, 3:41 AM EDT | Flood Watch | CTP | 32 hr |
| Sep 5, 8:16 PM EDT | Areal Flood Advisory | CTP | 119 min |
| Sep 9, 4:16 AM EDT | Dense Fog Advisory | CTP | 5 hr |
| Sep 13, 6:21 AM EDT | Dense Fog Advisory | CTP | 4 hr |
| Sep 23, 2:34 PM EDT | Frost Advisory | CTP | 18 hr |
| Sep 29, 4:18 AM EDT | Frost Advisory | CTP | 29 hr |
| Oct 8, 11:40 AM EDT | Frost Advisory | CTP | 20 hr |
| Oct 13, 11:15 AM EDT | Special Weather Statement | CTP | 30 min |
| Nov 11, 8:16 PM EST | Areal Flood Advisory | CTP | 119 min |
| Nov 14, 2:37 PM EST | Winter Weather Advisory | CTP | 36 hr |
| Nov 17, 9:52 AM EST | Snow Squall Warning | CTP | 38 min |
| Nov 17, 10:30 AM EST | Snow Squall Warning | CTP | 45 min |
| Nov 20, 12:19 AM EST | Special Weather Statement | CTP | 56 min |
| Nov 20, 1:16 AM EST | Special Weather Statement | CTP | 59 min |
| Nov 30, 1:28 AM EST | Wind Advisory | CTP | 26 hr |
| Dec 3, 12:29 PM EST | Special Weather Statement | CTP | 46 min |
| Dec 13, 4:24 AM EST | Winter Storm Watch | CTP | 35 hr |
| Dec 14, 4:17 AM EST | Winter Weather Advisory | CTP | 56 hr |
| Dec 14, 3:53 PM EST | Winter Storm Warning | CTP | 30 hr |
| Dec 15, 3:27 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 15, 11:24 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 21, 1:10 PM EST | Wind Chill Watch | CTP | 24 hr |
| Dec 22, 3:22 AM EST | High Wind Watch | CTP | 51 hr |
| Dec 22, 1:03 PM EST | Wind Chill Warning | CTP | 48 hr |
| Dec 22, 1:03 PM EST | Wind Chill Advisory | CTP | 60 hr |
| Dec 23, 4:12 AM EST | Winter Weather Advisory | CTP | 15 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 | 7 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 23 |
| Flooding | |
| Flood Watch | 3 |
| Areal Flood Advisory | 2 |
| Winter | |
| Ice Storm Warning | 1 |
| Snow Squall Warning | 5 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 10 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 4 |
| 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 archive20212023
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.