Alert archive / Pennsylvania / Fayette County
Weather alerts in Fayette County, Pennsylvania, 2010
125 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Fayette County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 125
- Warnings
- 33
- Watches
- 29
- Advisories
- 9
- Busiest month
- June36 alerts
- Busiest day
- July 25, 20109 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 Fayette County in 2010 had a tornado report inside them.
Fayette 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 | 21 | 11 | 48% | 10 | 70% | 20 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 Pittsburgh, PA: tornado warnings | 13 | 1 | 92% | 4 | 25% | 4 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 204 | 124 | 39% | 290 | 82% | 26 min |
| NWS Pittsburgh, PA: flash flood warnings | 24 | 15 | 38% | 29 | 90% | 73 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 24, 5:47 AM EST | River Flood Watch | PBZ | 27 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | 14 hr |
| Jan 24, 9:54 PM EST | River Flood Watch | PBZ | 14 hr |
| Jan 25, 7:56 AM EST | River Flood Warning | PBZ | 18 hr |
| Jan 25, 11:50 AM EST | River Flood Warning | PBZ | 26 hr |
| Jan 25, 5:16 PM EST | River Flood Warning | PBZ | 8 hr |
| Jan 25, 5:30 PM EST | River Flood Warning | PBZ | 8 hr |
| Feb 5, 6:58 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 15, 1:41 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Mar 11, 12:42 PM EST | River Flood Watch | PBZ | 23 hr |
| Mar 11, 12:42 PM EST | River Flood Watch | PBZ | 58 hr |
| Mar 11, 9:15 PM EST | River Flood Warning | PBZ | 66 hr |
| Mar 12, 12:09 PM EST | River Flood Watch | PBZ | 35 hr |
| Mar 12, 12:09 PM EST | River Flood Watch | PBZ | 23 hr |
| Mar 13, 7:41 AM EST | River Flood Watch | PBZ | 7 hr |
| Mar 13, 7:41 AM EST | River Flood Watch | PBZ | 32 hr |
| Mar 13, 8:05 AM EST | Areal Flood Warning | PBZ | 5 hr |
| Mar 22, 12:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 22, 6:53 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| 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, 4:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 16, 6:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 16, 6:22 PM EDT | Severe Thunderstorm Warning | PBZ | 23 min |
| Apr 25, 10:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 11:54 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 25, 2:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 25, 3:43 PM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| May 8, 2:36 AM EDT | Mesoscale Discussion | SPC | 54 min |
| May 14, 11:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 14, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | 53 min |
| May 14, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | 32 min |
| Jun 2, 1:39 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 2, 4:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 2, 7:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 2, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | 64 min |
| Jun 2, 11:31 PM EDT | Special Weather Statement | PBZ | 59 min |
| Jun 3, 7:17 PM EDT | Special Weather Statement | PBZ | 58 min |
| Jun 3, 7:25 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Jun 4, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 4, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | 55 min |
| Jun 4, 7:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 4, 7:52 PM EDT | Special Weather Statement | PBZ | 38 min |
| Jun 4, 8:07 PM EDT | Severe Thunderstorm Warning | PBZ | 58 min |
| Jun 5, 1:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 5, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 5, 3:13 PM EDT | Tornado Watch | SPC | 4 hr |
| Jun 5, 4:20 PM EDT | Severe Thunderstorm Warning | PBZ | 55 min |
| Jun 5, 4:41 PM EDT | Tornado Warning | PBZ | 49 min |
| Jun 5, 5:07 PM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| Jun 6, 7:05 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 6, 7:51 AM EDT | Tornado Watch | SPC | 7 hr |
| Jun 6, 9:39 AM EDT | Special Weather Statement | PBZ | 36 min |
| Jun 12, 2:02 PM EDT | Special Weather Statement | PBZ | 58 min |
| Jun 16, 3:21 AM EDT | Special Weather Statement | PBZ | 39 min |
| Jun 16, 1:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 22, 11:35 AM EDT | Mesoscale Discussion | SPC | 25 min |
| Jun 23, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 3:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 23, 5:06 PM EDT | Severe Thunderstorm Warning | PBZ | 54 min |
| Jun 23, 6:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 23, 6:42 PM EDT | Severe Thunderstorm Warning | PBZ | 33 min |
| Jun 24, 9:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 24, 10:19 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 24, 11:58 AM EDT | Severe Thunderstorm Warning | PBZ | 47 min |
| Jun 24, 12:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 24, 12:25 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Jun 27, 8:30 PM EDT | Special Weather Statement | PBZ | 60 min |
| Jul 13, 6:22 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jul 16, 4:47 PM EDT | Special Weather Statement | PBZ | 28 min |
| Jul 21, 11:46 PM EDT | Special Weather Statement | PBZ | 59 min |
| Jul 25, 10:48 AM EDT | Mesoscale Discussion | SPC | 27 min |
| Jul 25, 11:29 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 25, 11:54 AM EDT | Special Weather Statement | PBZ | 66 min |
| Jul 25, 11:59 AM EDT | Severe Thunderstorm Warning | PBZ | 31 min |
| Jul 25, 12:08 PM EDT | Severe Thunderstorm Warning | PBZ | 52 min |
| Jul 25, 12:27 PM EDT | Severe Thunderstorm Warning | PBZ | 78 min |
| Jul 25, 12:29 PM EDT | Tornado Warning | PBZ | 31 min |
| Jul 25, 12:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 25, 4:20 PM EDT | Special Weather Statement | PBZ | 55 min |
| Aug 4, 2:18 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 3:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Aug 4, 4:36 PM EDT | Severe Thunderstorm Warning | PBZ | 39 min |
| Aug 4, 5:09 PM EDT | Severe Thunderstorm Warning | PBZ | 66 min |
| Aug 4, 10:08 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 11:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 12, 1:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Aug 12, 3:09 PM EDT | Special Weather Statement | PBZ | 66 min |
| Sep 16, 8:45 PM EDT | Special Weather Statement | PBZ | 60 min |
| Sep 16, 9:02 PM EDT | Severe Thunderstorm Warning | PBZ | 43 min |
| Sep 22, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 22, 4:12 PM EDT | Severe Thunderstorm Warning | PBZ | 48 min |
| Sep 22, 4:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 22, 7:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Oct 11, 11:23 PM EDT | Special Weather Statement | PBZ | 37 min |
| Oct 26, 1:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Oct 26, 1:36 PM EDT | Tornado Watch | SPC | 7 hr |
| Oct 26, 5:37 PM EDT | Special Weather Statement | PBZ | 53 min |
| Oct 26, 5:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Oct 26, 6:27 PM EDT | Special Weather Statement | PBZ | 48 min |
| Oct 26, 8:04 PM EDT | Special Weather Statement | PBZ | 56 min |
| Nov 16, 2:19 PM EST | Wind Advisory | PBZ | 24 hr |
| Nov 16, 7:37 PM EST | Special Weather Statement | PBZ | 53 min |
| Nov 17, 1:10 AM EST | Special Weather Statement | PBZ | 110 min |
| Nov 23, 4:16 AM EST | Special Weather Statement | PBZ | 59 min |
| Nov 23, 5:15 AM EST | Special Weather Statement | PBZ | 60 min |
| Nov 23, 6:03 AM EST | Special Weather Statement | PBZ | 57 min |
| Nov 23, 6:10 AM EST | Special Weather Statement | PBZ | 50 min |
| Nov 24, 3:14 PM EST | Winter Weather Advisory | PBZ | 19 hr |
| Nov 29, 1:09 PM EST | Flood Watch | PBZ | 39 hr |
| Nov 29, 1:09 PM EST | River Flood Watch | PBZ | 39 hr |
| Nov 29, 1:09 PM EST | Wind Advisory | PBZ | 32 hr |
| Nov 30, 10:00 AM EST | River Flood Watch | PBZ | 18 hr |
| Dec 1, 3:24 AM EST | River Flood Warning | PBZ | 13 hr |
| Dec 1, 3:24 AM EST | River Flood Warning | PBZ | 7 hr |
| Dec 1, 7:54 AM EST | Areal Flood Advisory | PBZ | 6 hr |
| Dec 4, 2:16 PM EST | Winter Storm Watch | PBZ | 13 hr |
| Dec 5, 3:14 AM EST | Winter Storm Warning | PBZ | 64 hr |
| Dec 10, 2:34 PM EST | Winter Storm Watch | PBZ | 38 hr |
| Dec 12, 3:43 AM EST | Winter Storm Warning | PBZ | 63 hr |
| Dec 12, 3:43 AM EST | Winter Weather Advisory | PBZ | 63 hr |
| Dec 13, 3:08 AM EST | Wind Chill Advisory | PBZ | 55 hr |
| Dec 25, 2:56 PM EST | Winter Weather Advisory | PBZ | 52 hr |
| Dec 29, 10:30 PM EST | Freezing Rain Advisory | PBZ | 13 hr |
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 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.