Alert archive / Pennsylvania / Forest County
Weather alerts in Forest County, Pennsylvania, 2024
122 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Forest County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 122
- Warnings
- 34
- Watches
- 18
- Advisories
- 27
- Busiest month
- April23 alerts
- Busiest day
- August 6, 20249 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 4 tornado warnings covering Forest County in 2024 had a tornado report inside them.
Forest County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 16 | 14 | 13% | 11 | 91% | 33 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pittsburgh, PA: tornado warnings | 37 | 14 | 62% | 58 | 60% | 10 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 283 | 206 | 27% | 917 | 85% | 20 min |
| NWS Pittsburgh, PA: flash flood warnings | 45 | 27 | 40% | 248 | 90% | 162 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 5, 2:23 PM EST | Winter Weather Advisory | PBZ | 29 hr |
| Jan 8, 3:01 AM EST | Wind Advisory | PBZ | 62 hr |
| Jan 11, 1:28 PM EST | Wind Advisory | PBZ | 55 hr |
| Jan 14, 4:33 AM EST | Special Weather Statement | PBZ | 87 min |
| Jan 14, 6:00 AM EST | Special Weather Statement | PBZ | 90 min |
| Jan 14, 6:48 AM EST | Snow Squall Warning | PBZ | 42 min |
| Jan 16, 2:19 AM EST | Wind Chill Advisory | PBZ | 35 hr |
| Jan 18, 2:57 AM EST | Winter Weather Advisory | PBZ | 64 hr |
| Jan 22, 3:57 AM EST | Winter Weather Advisory | PBZ | 32 hr |
| Jan 24, 3:19 AM EST | Dense Fog Advisory | PBZ | 8 hr |
| Jan 24, 3:22 PM EST | Special Weather Statement | PBZ | 83 min |
| Jan 24, 8:07 PM EST | Dense Fog Advisory | PBZ | 25 hr |
| Jan 28, 1:24 PM EST | Special Weather Statement | PBZ | 81 min |
| Feb 11, 12:46 PM EST | Winter Storm Watch | PBZ | 23 hr |
| Feb 15, 1:49 PM EST | Special Weather Statement | PBZ | 56 min |
| Feb 15, 6:47 PM EST | Wind Advisory | PBZ | 6 hr |
| Feb 17, 10:45 AM EST | Special Weather Statement | PBZ | 60 min |
| Feb 17, 11:34 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 22, 10:34 PM EST | Dense Fog Advisory | PBZ | 9 hr |
| Mar 3, 6:28 AM EST | Special Weather Statement | PBZ | 3 hr |
| Mar 9, 3:23 AM EST | Winter Weather Advisory | PBZ | 46 hr |
| Mar 10, 12:13 PM EDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 20, 11:22 AM EDT | Special Weather Statement | PBZ | 38 min |
| Mar 31, 6:37 AM EDT | Dense Fog Advisory | PBZ | 3 hr |
| Apr 4, 2:20 AM EDT | Special Weather Statement | PBZ | 55 min |
| Apr 11, 10:00 AM EDT | Flood Watch | PBZ | 16 hr |
| Apr 11, 9:45 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Apr 12, 12:43 AM EDT | Areal Flood Warning | PBZ | 31 hr |
| Apr 12, 3:13 AM EDT | Wind Advisory | PBZ | 39 hr |
| Apr 12, 9:52 AM EDT | River Flood Warning | PBZ | 13 hr |
| Apr 14, 3:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 4:55 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Apr 14, 4:58 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 14, 5:39 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Apr 17, 3:46 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 17, 6:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 17, 6:29 PM EDT | Severe Thunderstorm Warning | PBZ | 31 min |
| Apr 17, 6:43 PM EDT | Special Weather Statement | PBZ | 32 min |
| Apr 17, 7:52 PM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| Apr 17, 8:28 PM EDT | Special Weather Statement | PBZ | 32 min |
| Apr 20, 2:50 AM EDT | Freeze Watch | PBZ | 11 hr |
| Apr 20, 1:20 PM EDT | Freeze Warning | PBZ | 19 hr |
| Apr 21, 12:27 PM EDT | Freeze Warning | PBZ | 21 hr |
| Apr 22, 1:05 PM EDT | Frost Advisory | PBZ | 20 hr |
| Apr 23, 1:59 PM EDT | Freeze Watch | PBZ | 24 hr |
| Apr 24, 2:14 PM EDT | Freeze Warning | PBZ | 19 hr |
| Apr 25, 2:05 PM EDT | Freeze Warning | PBZ | 19 hr |
| May 22, 12:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 2:10 PM EDT | Special Weather Statement | PBZ | 50 min |
| May 25, 11:39 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 25, 2:14 PM EDT | Severe Thunderstorm Warning | PBZ | 46 min |
| May 26, 12:00 AM EDT | Dense Fog Advisory | PBZ | 8 hr |
| May 26, 3:52 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 5:52 AM EDT | Special Weather Statement | PBZ | 68 min |
| Jun 15, 9:53 AM EDT | Excessive Heat Watch | PBZ | 40 hr |
| Jun 17, 2:06 AM EDT | Heat Advisory | PBZ | 6 days |
| Jun 18, 1:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 18, 4:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 18, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | 34 min |
| Jun 19, 11:24 PM EDT | Areal Flood Advisory | PBZ | 92 min |
| Jun 19, 11:58 PM EDT | Flash Flood Warning | PBZ | 49 min |
| Jun 20, 12:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 23, 1:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 4:33 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 26, 12:32 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 26, 3:23 PM EDT | Special Weather Statement | PBZ | 22 min |
| Jun 26, 4:22 PM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| Jun 28, 2:53 PM EDT | Flood Watch | PBZ | 28 hr |
| Jun 29, 12:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 29, 1:11 PM EDT | Tornado Watch | SPC | 7 hr |
| Jul 5, 12:45 AM EDT | Areal Flood Advisory | PBZ | 118 min |
| Jul 10, 12:06 PM EDT | Tornado Watch | SPC | 11 hr |
| Jul 15, 11:52 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 16, 10:33 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 24, 2:08 PM EDT | Special Weather Statement | PBZ | 22 min |
| Jul 24, 5:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 2, 5:45 AM EDT | Special Weather Statement | PBZ | 30 min |
| Aug 4, 6:23 AM EDT | Dense Fog Advisory | PBZ | 3 hr |
| Aug 5, 12:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 5, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 5, 4:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 6, 10:59 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 6, 11:42 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 6, 12:16 PM EDT | Severe Thunderstorm Warning | PBZ | 29 min |
| Aug 6, 12:42 PM EDT | Severe Thunderstorm Warning | PBZ | 33 min |
| Aug 6, 1:11 PM EDT | Severe Thunderstorm Warning | PBZ | 19 min |
| Aug 6, 2:00 PM EDT | Severe Thunderstorm Warning | PBZ | 45 min |
| Aug 6, 2:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 6, 4:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Aug 6, 6:29 PM EDT | Severe Thunderstorm Warning | PBZ | 61 min |
| Sep 6, 3:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 21, 8:26 PM EDT | Special Weather Statement | PBZ | 34 min |
| Sep 21, 8:29 PM EDT | Severe Thunderstorm Warning | PBZ | 24 min |
| Sep 22, 2:43 AM EDT | Dense Fog Advisory | PBZ | 7 hr |
| Oct 6, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Oct 6, 4:55 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 6, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Oct 6, 5:46 PM EDT | Tornado Warning | PBZ | 29 min |
| Oct 6, 6:14 PM EDT | Tornado Warning | PBZ | 31 min |
| Oct 6, 6:23 PM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| Oct 6, 6:38 PM EDT | Tornado Warning | PBZ | 21 min |
| Oct 6, 6:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 1:07 PM EDT | Frost Advisory | PBZ | 20 hr |
| Oct 10, 3:21 AM EDT | Frost Advisory | PBZ | 30 hr |
| Oct 10, 12:24 PM EDT | Freeze Warning | PBZ | 21 hr |
| Oct 14, 2:33 AM EDT | Freeze Watch | PBZ | 12 hr |
| Oct 14, 2:39 PM EDT | Frost Advisory | PBZ | 18 hr |
| Oct 15, 12:36 PM EDT | Freeze Warning | PBZ | 20 hr |
| Oct 16, 11:30 AM EDT | Freeze Warning | PBZ | 22 hr |
| Oct 17, 12:55 PM EDT | Freeze Warning | PBZ | 20 hr |
| Nov 20, 10:10 AM EST | Winter Weather Advisory | PBZ | 51 hr |
| Nov 20, 5:07 PM EST | Special Weather Statement | PBZ | 113 min |
| Nov 20, 5:20 PM EST | Severe Thunderstorm Warning | PBZ | 55 min |
| Dec 3, 3:46 AM EST | Winter Storm Watch | PBZ | 25 hr |
| Dec 3, 2:26 PM EST | Special Weather Statement | PBZ | 64 min |
| Dec 4, 4:18 AM EST | Lake Effect Snow Warning | PBZ | 54 hr |
| Dec 5, 1:47 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 14, 2:39 AM EST | Winter Weather Advisory | PBZ | 46 hr |
| Dec 23, 2:12 AM EST | Winter Weather Advisory | PBZ | 41 hr |
| Dec 28, 1:10 PM EST | Wind Advisory | PBZ | 39 hr |
| Dec 29, 7:37 PM EST | Tornado Warning | PBZ | 11 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.