Alert archive / Pennsylvania / Warren County
Weather alerts in Warren County, Pennsylvania, 2025
98 weather alerts in 2025, 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 2025. Tap one for its archive.
- Alerts
- 98
- Warnings
- 22
- Watches
- 14
- Advisories
- 36
- Busiest month
- June18 alerts
- Busiest day
- June 9, 20256 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Warren County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 9 | 25% | 10 | 100% | 21 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS State College, PA: tornado warnings | 14 | 3 | 79% | 5 | 60% | 13 min |
| NWS State College, PA: severe thunderstorm warnings | 212 | 129 | 39% | 354 | 89% | 22 min |
| NWS State College, PA: flash flood warnings | 78 | 35 | 55% | 105 | 94% | 77 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 7, 10:52 AM EST | Winter Weather Advisory | CTP | 40 hr |
| Jan 13, 1:55 PM EST | Winter Storm Watch | CTP | 6 hr |
| Jan 13, 1:55 PM EST | Winter Weather Advisory | CTP | 53 hr |
| Jan 15, 1:18 PM EST | Winter Weather Advisory | CTP | 40 hr |
| Jan 17, 2:21 PM EST | Extreme Cold Watch | CTP | 37 hr |
| Jan 19, 3:38 AM EST | Cold Weather Advisory | CTP | 3 days |
| Jan 27, 3:01 PM EST | Winter Weather Advisory | CTP | 19 hr |
| Jan 28, 5:17 AM EST | Special Weather Statement | CTP | 58 min |
| Jan 28, 3:12 PM EST | Winter Weather Advisory | CTP | 33 hr |
| Feb 2, 1:58 PM EST | Winter Weather Advisory | CTP | 13 hr |
| Feb 4, 2:22 PM EST | Winter Weather Advisory | CTP | 46 hr |
| Feb 6, 4:00 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 7, 3:54 AM EST | Special Weather Statement | CTP | 36 min |
| Feb 7, 1:06 PM EST | Winter Weather Advisory | CTP | 38 hr |
| Feb 8, 3:42 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 11, 2:59 PM EST | Winter Weather Advisory | CTP | 37 hr |
| Feb 14, 4:20 AM EST | Winter Weather Advisory | CTP | 53 hr |
| Feb 15, 3:10 PM EST | Winter Weather Advisory | CTP | 46 hr |
| Feb 16, 3:12 AM EST | Wind Advisory | CTP | 37 hr |
| Feb 17, 2:59 AM EST | Cold Weather Advisory | CTP | 31 hr |
| Feb 26, 12:05 AM EST | Dense Fog Advisory | CTP | 10 hr |
| Mar 5, 2:19 PM EST | Mesoscale Discussion | SPC | 116 min |
| Mar 6, 2:08 AM EST | Wind Advisory | CTP | 26 hr |
| Mar 16, 2:49 AM EDT | Wind Advisory | CTP | 15 hr |
| Mar 16, 10:04 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Mar 16, 12:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Mar 16, 12:50 PM EDT | Tornado Watch | SPC | 7 hr |
| Mar 16, 1:27 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| Apr 12, 4:10 AM EDT | Dense Fog Advisory | CTP | 5 hr |
| Apr 19, 1:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Apr 21, 12:47 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 5:57 PM EDT | Severe Thunderstorm Warning | CTP | 48 min |
| Apr 29, 2:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 3:26 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 29, 3:59 PM EDT | Special Weather Statement | CTP | 91 min |
| May 9, 2:52 AM EDT | Frost Advisory | CTP | 29 hr |
| May 16, 4:36 AM EDT | Mesoscale Discussion | SPC | 84 min |
| May 16, 4:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| May 16, 4:56 AM EDT | Severe Thunderstorm Warning | CTP | 49 min |
| May 16, 5:44 AM EDT | Severe Thunderstorm Warning | CTP | 46 min |
| May 16, 7:32 PM EDT | Severe Thunderstorm Warning | CTP | 58 min |
| May 19, 3:34 AM EDT | Frost Advisory | CTP | 28 hr |
| Jun 1, 1:18 PM EDT | Frost Advisory | CTP | 18 hr |
| Jun 5, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 5, 3:41 PM EDT | Severe Thunderstorm Warning | CTP | 49 min |
| Jun 9, 4:00 AM EDT | Flood Watch | CTP | 24 hr |
| Jun 9, 2:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 9, 2:46 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 9, 3:53 PM EDT | Severe Thunderstorm Warning | CTP | 52 min |
| Jun 9, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | 63 min |
| Jun 9, 4:51 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jun 18, 4:55 PM EDT | Severe Thunderstorm Warning | CTP | 65 min |
| Jun 18, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | 46 min |
| Jun 18, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | 66 min |
| Jun 18, 6:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 21, 3:02 AM EDT | Heat Advisory | CTP | 5 days |
| Jun 24, 4:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 12:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 27, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | 61 min |
| Jun 30, 12:10 PM EDT | Flood Watch | CTP | 10 hr |
| Jul 2, 5:12 AM EDT | Dense Fog Advisory | CTP | 4 hr |
| Jul 7, 2:04 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 12:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 13, 8:25 PM EDT | Flash Flood Warning | CTP | 2 hr |
| Sep 4, 10:32 PM EDT | Dense Fog Advisory | CTP | 11 hr |
| Sep 18, 4:57 AM EDT | Dense Fog Advisory | CTP | 4 hr |
| Sep 23, 9:57 PM EDT | Dense Fog Advisory | CTP | 12 hr |
| Oct 8, 2:15 AM EDT | Frost Advisory | CTP | 31 hr |
| Oct 8, 2:15 AM EDT | Freeze Watch | CTP | 23 hr |
| Oct 9, 1:41 AM EDT | Freeze Warning | CTP | 31 hr |
| Oct 26, 6:14 AM EDT | Dense Fog Advisory | CTP | 4 hr |
| Oct 30, 12:46 PM EDT | Wind Advisory | CTP | 35 hr |
| Nov 4, 1:08 PM EST | Wind Advisory | CTP | 39 hr |
| Nov 9, 1:05 PM EST | Winter Storm Watch | CTP | 13 hr |
| Nov 10, 2:07 AM EST | Lake Effect Snow Warning | CTP | 35 hr |
| Nov 15, 12:39 PM EST | Wind Advisory | CTP | 31 hr |
| Nov 15, 6:14 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Nov 16, 12:19 AM EST | Winter Storm Watch | CTP | 5 hr |
| Nov 16, 5:17 AM EST | Lake Effect Snow Warning | CTP | 32 hr |
| Nov 24, 12:08 PM EST | Winter Storm Watch | CTP | 25 hr |
| Nov 25, 1:04 PM EST | Lake Effect Snow Warning | CTP | 3 days |
| Nov 30, 12:13 AM EST | Special Weather Statement | CTP | 62 min |
| Dec 1, 1:57 AM EST | Winter Weather Advisory | CTP | 44 hr |
| Dec 4, 10:00 AM EST | Snow Squall Warning | CTP | 45 min |
| Dec 9, 1:28 AM EST | Winter Weather Advisory | CTP | 3 days |
| Dec 11, 2:02 AM EST | Lake Effect Snow Warning | CTP | 25 hr |
| Dec 12, 4:38 AM EST | Winter Storm Watch | CTP | 7 hr |
| Dec 12, 11:50 AM EST | Lake Effect Snow Warning | CTP | 67 hr |
| Dec 18, 1:47 AM EST | Wind Advisory | CTP | 46 hr |
| Dec 22, 5:50 PM EST | Winter Weather Advisory | CTP | 18 hr |
| Dec 24, 2:17 AM EST | Winter Storm Watch | CTP | 36 hr |
| Dec 25, 2:15 PM EST | Ice Storm Warning | CTP | 37 hr |
| Dec 26, 11:13 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 28, 2:21 AM EST | Winter Storm Watch | CTP | 11 hr |
| Dec 28, 12:49 PM EST | Wind Advisory | CTP | 51 hr |
| Dec 28, 1:32 PM EST | Lake Effect Snow Warning | CTP | 4 days |
| Dec 29, 3:14 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 31, 6:42 PM EST | Mesoscale Discussion | SPC | 5 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 | 12 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 2 |
| Winter | |
| Ice Storm Warning | 1 |
| Lake Effect Snow Warning | 6 |
| Snow Squall Warning | 1 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 14 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Extreme Cold Watch | 1 |
| Freeze Watch | 1 |
| Cold Weather Advisory | 2 |
| Frost Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20242026
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.