Alert archive / Pennsylvania / Washington County
Weather alerts in Washington County, Pennsylvania, 2014
126 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Washington County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 126
- Warnings
- 32
- Watches
- 16
- Advisories
- 33
- Busiest month
- June24 alerts
- Busiest day
- May 28, 20148 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Washington County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 23 | 17 | 26% | 30 | 97% | 21 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pittsburgh, PA: tornado warnings | 9 | 2 | 78% | 6 | 67% | 6 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 147 | 106 | 28% | 399 | 80% | 22 min |
| NWS Pittsburgh, PA: flash flood warnings | 15 | 10 | 33% | 31 | 87% | 51 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, 2:28 PM EST | Wind Chill Advisory | PBZ | 61 hr |
| Jan 1, 2:28 PM EST | Winter Weather Advisory | PBZ | 46 hr |
| Jan 4, 3:37 AM EST | Wind Chill Watch | PBZ | 24 hr |
| Jan 5, 3:53 AM EST | Wind Chill Warning | PBZ | 61 hr |
| Jan 5, 3:05 PM EST | Winter Weather Advisory | PBZ | 26 hr |
| Jan 6, 1:01 AM EST | Special Weather Statement | PBZ | 59 min |
| Jan 7, 5:18 PM EST | Wind Chill Advisory | PBZ | 15 hr |
| Jan 11, 4:06 PM EST | Special Weather Statement | PBZ | 54 min |
| Jan 11, 4:56 PM EST | Special Weather Statement | PBZ | 2 hr |
| Jan 20, 11:44 AM EST | Winter Weather Advisory | PBZ | 31 hr |
| Jan 21, 3:16 AM EST | Wind Chill Advisory | PBZ | 33 hr |
| Jan 23, 3:56 AM EST | Wind Chill Advisory | PBZ | 32 hr |
| Jan 23, 3:22 PM EST | Winter Weather Advisory | PBZ | 62 hr |
| Jan 24, 9:44 PM EST | Wind Chill Advisory | PBZ | 37 hr |
| Jan 25, 4:14 PM EST | Special Weather Statement | PBZ | 2 hr |
| Jan 25, 7:05 PM EST | Special Weather Statement | PBZ | 40 min |
| Jan 25, 7:44 PM EST | Special Weather Statement | PBZ | 76 min |
| Jan 26, 3:34 AM EST | Wind Chill Watch | PBZ | 23 hr |
| Jan 26, 3:18 PM EST | Wind Chill Advisory | PBZ | 33 hr |
| Jan 26, 3:18 PM EST | Winter Weather Advisory | PBZ | 23 hr |
| Jan 27, 2:13 AM EST | Wind Chill Warning | PBZ | 58 hr |
| Jan 27, 8:45 AM EST | Special Weather Statement | PBZ | 45 min |
| Jan 28, 11:58 AM EST | Wind Chill Advisory | PBZ | 24 hr |
| Feb 2, 6:02 AM EST | Winter Weather Advisory | PBZ | 31 hr |
| Feb 3, 3:25 AM EST | Winter Storm Watch | PBZ | 24 hr |
| Feb 4, 3:40 AM EST | Winter Storm Warning | PBZ | 32 hr |
| Feb 4, 7:45 AM EST | Flood Watch | PBZ | 28 hr |
| Feb 14, 4:27 AM EST | Winter Weather Advisory | PBZ | 31 hr |
| Feb 16, 6:30 PM EST | Special Weather Statement | PBZ | 3 hr |
| Feb 17, 3:45 AM EST | Winter Weather Advisory | PBZ | 30 hr |
| Feb 19, 4:17 AM EST | Freezing Rain Advisory | PBZ | 5 hr |
| Feb 20, 3:47 AM EST | Wind Advisory | PBZ | 37 hr |
| Feb 26, 2:50 PM EST | Wind Chill Advisory | PBZ | 18 hr |
| Feb 27, 10:38 AM EST | Special Weather Statement | PBZ | 67 min |
| Feb 27, 11:44 AM EST | Special Weather Statement | PBZ | 61 min |
| Feb 28, 10:00 AM EST | Winter Storm Watch | PBZ | 30 hr |
| Mar 1, 4:24 PM EST | Winter Storm Warning | PBZ | 38 hr |
| Mar 2, 2:53 PM EST | Winter Weather Advisory | PBZ | 15 hr |
| Mar 11, 3:08 PM EDT | Winter Weather Advisory | PBZ | 31 hr |
| Mar 12, 4:19 AM EDT | Wind Chill Advisory | PBZ | 30 hr |
| Mar 21, 9:51 AM EDT | Special Weather Statement | PBZ | 69 min |
| Mar 25, 7:06 PM EDT | Special Weather Statement | PBZ | 54 min |
| Apr 4, 5:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 12, 4:15 AM EDT | Dense Fog Advisory | PBZ | 5 hr |
| Apr 30, 5:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| May 3, 4:50 PM EDT | Special Weather Statement | PBZ | 25 min |
| May 7, 7:37 AM EDT | Special Weather Statement | PBZ | 38 min |
| May 7, 7:48 AM EDT | Severe Thunderstorm Warning | PBZ | 42 min |
| May 10, 3:41 PM EDT | Special Weather Statement | PBZ | 19 min |
| May 10, 4:02 PM EDT | Special Weather Statement | PBZ | 28 min |
| May 14, 5:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 14, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | 66 min |
| May 14, 7:01 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 14, 7:40 PM EDT | Flash Flood Watch | PBZ | 30 hr |
| May 14, 9:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 17, 2:35 PM EDT | Frost Advisory | PBZ | 17 hr |
| May 18, 2:30 PM EDT | Frost Advisory | PBZ | 18 hr |
| May 27, 1:27 PM EDT | Special Weather Statement | PBZ | 18 min |
| May 27, 1:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 27, 2:14 PM EDT | Special Weather Statement | PBZ | 31 min |
| May 27, 8:09 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| May 27, 9:49 PM EDT | Severe Thunderstorm Warning | PBZ | 26 min |
| May 27, 11:27 PM EDT | Areal Flood Warning | PBZ | 3 hr |
| May 27, 11:37 PM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| May 28, 12:38 AM EDT | Areal Flood Warning | PBZ | 4 hr |
| May 28, 4:19 AM EDT | Flash Flood Watch | PBZ | 17 hr |
| May 28, 5:02 PM EDT | Severe Thunderstorm Warning | PBZ | 28 min |
| May 28, 5:22 PM EDT | Areal Flood Warning | PBZ | 3 hr |
| Jun 3, 12:10 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 8, 11:37 AM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 8, 1:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 4:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 11, 2:59 PM EDT | Tornado Watch | SPC | 6 hr |
| Jun 11, 4:26 PM EDT | Severe Thunderstorm Warning | PBZ | 34 min |
| Jun 11, 5:07 PM EDT | Severe Thunderstorm Warning | PBZ | 23 min |
| Jun 11, 5:25 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Jun 11, 5:37 PM EDT | Severe Thunderstorm Warning | PBZ | 38 min |
| Jun 11, 5:45 PM EDT | Severe Thunderstorm Warning | PBZ | 45 min |
| Jun 11, 6:20 PM EDT | Severe Thunderstorm Warning | PBZ | 40 min |
| Jun 12, 1:54 AM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jun 12, 3:17 AM EDT | Flash Flood Watch | PBZ | 13 hr |
| Jun 13, 7:17 PM EDT | Areal Flood Warning | PBZ | 3 hr |
| Jun 16, 2:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 18, 3:06 AM EDT | Areal Flood Advisory | PBZ | 4 hr |
| Jun 18, 6:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 18, 7:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 8:58 PM EDT | Severe Thunderstorm Warning | PBZ | 32 min |
| Jun 18, 9:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jun 18, 9:24 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Jun 18, 10:02 PM EDT | Severe Thunderstorm Warning | PBZ | 58 min |
| Jun 18, 10:29 PM EDT | Severe Thunderstorm Warning | PBZ | 46 min |
| Jun 28, 8:07 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jul 1, 3:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 7, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| 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 13, 12:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 13, 1:17 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 3:54 PM EDT | Special Weather Statement | PBZ | 51 min |
| Jul 13, 4:10 PM EDT | Severe Thunderstorm Warning | PBZ | 35 min |
| Jul 13, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | 45 min |
| Jul 13, 5:19 PM EDT | Flash Flood Warning | PBZ | 116 min |
| Jul 13, 6:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 26, 10:44 PM EDT | Special Weather Statement | PBZ | 46 min |
| Jul 27, 1:44 PM EDT | Tornado Watch | SPC | 9 hr |
| Jul 27, 4:12 PM EDT | Special Weather Statement | PBZ | 63 min |
| Jul 27, 8:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 30, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | 28 min |
| Aug 12, 12:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 3:15 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| Aug 20, 9:28 AM EDT | Areal Flood Advisory | PBZ | 2 hr |
| Aug 20, 8:39 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Sep 2, 2:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 1:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Oct 2, 3:48 AM EDT | Dense Fog Advisory | PBZ | 6 hr |
| Nov 6, 2:37 PM EST | Special Weather Statement | PBZ | 68 min |
| Nov 21, 9:32 PM EST | Freezing Rain Advisory | PBZ | 16 hr |
| Nov 23, 2:42 PM EST | Wind Advisory | PBZ | 29 hr |
| Dec 1, 9:40 PM EST | Winter Weather Advisory | PBZ | 21 hr |
| Dec 12, 10:38 PM EST | Special Weather Statement | PBZ | 112 min |
| Dec 24, 3:47 AM EST | Wind Advisory | PBZ | 24 hr |
| Dec 24, 4:23 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
| Dec 24, 7:36 PM EST | Severe Thunderstorm Warning | PBZ | 24 min |
| Dec 24, 7:48 PM EST | Mesoscale Discussion | SPC | 57 min |
| Dec 24, 8:01 PM EST | Severe Thunderstorm Warning | PBZ | 29 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 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.