Alert archive / West Virginia / Preston County
Weather alerts in Preston County, West Virginia, 2017
94 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Preston County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 94
- Warnings
- 21
- Watches
- 13
- Advisories
- 34
- Busiest month
- July16 alerts
- Busiest day
- March 1, 20177 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Preston County in 2017 had a tornado report inside them.
Preston County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 12 | 10 | 17% | 12 | 83% | 22 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pittsburgh, PA: tornado warnings | 14 | 8 | 43% | 18 | 67% | 11 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 225 | 186 | 17% | 518 | 88% | 21 min |
| NWS Pittsburgh, PA: flash flood warnings | 76 | 64 | 16% | 268 | 96% | 112 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 4, 3:23 PM EST | Winter Weather Advisory | PBZ | 35 hr |
| Jan 6, 1:35 PM EST | Wind Chill Advisory | PBZ | 56 hr |
| Jan 13, 3:19 AM EST | Freezing Rain Advisory | PBZ | 43 hr |
| Jan 26, 3:12 AM EST | Winter Weather Advisory | PBZ | 51 hr |
| Jan 30, 9:14 AM EST | Special Weather Statement | PBZ | 91 min |
| Jan 30, 1:46 PM EST | Winter Weather Advisory | PBZ | 21 hr |
| Feb 1, 3:16 AM EST | Winter Weather Advisory | PBZ | 17 hr |
| Feb 7, 8:56 AM EST | Wind Advisory | PBZ | 8 hr |
| Feb 8, 3:34 AM EST | Winter Storm Warning | PBZ | 39 hr |
| Feb 8, 3:34 AM EST | Winter Weather Advisory | PBZ | 11 hr |
| Feb 11, 8:19 PM EST | High Wind Watch | PBZ | 7 hr |
| Feb 12, 3:40 AM EST | Wind Advisory | PBZ | 31 hr |
| Feb 12, 3:40 AM EST | Winter Weather Advisory | PBZ | 28 hr |
| Feb 12, 8:24 PM EST | Special Weather Statement | PBZ | 66 min |
| Feb 12, 8:46 PM EST | Severe Thunderstorm Warning | PBZ | 74 min |
| Feb 15, 11:00 AM EST | Winter Weather Advisory | PBZ | 23 hr |
| Mar 1, 12:51 AM EST | Flash Flood Watch | PBZ | 12 hr |
| Mar 1, 5:02 AM EST | Severe Thunderstorm Warning | PBZ | 28 min |
| Mar 1, 7:56 AM EST | Areal Flood Warning | PBZ | 9 hr |
| Mar 1, 11:00 AM EST | Special Weather Statement | PBZ | 45 min |
| Mar 1, 11:11 AM EST | Severe Thunderstorm Warning | PBZ | 49 min |
| Mar 1, 12:44 PM EST | Wind Advisory | PBZ | 17 hr |
| Mar 1, 5:00 PM EST | Areal Flood Warning | PBZ | 6 hr |
| Mar 7, 11:52 AM EST | Wind Advisory | PBZ | 39 hr |
| Mar 9, 3:43 AM EST | Winter Weather Advisory | PBZ | 33 hr |
| Mar 10, 1:35 PM EST | Wind Chill Advisory | PBZ | 18 hr |
| Mar 12, 4:21 AM EDT | Winter Storm Watch | PBZ | 11 hr |
| Mar 12, 3:31 PM EDT | Winter Storm Warning | PBZ | 44 hr |
| Mar 14, 11:37 AM EDT | Winter Weather Advisory | PBZ | 47 hr |
| Mar 17, 8:23 PM EDT | Winter Weather Advisory | PBZ | 13 hr |
| Apr 6, 3:12 AM EDT | Winter Weather Advisory | PBZ | 35 hr |
| Apr 11, 6:43 PM EDT | Special Weather Statement | PBZ | 32 min |
| Apr 20, 2:40 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Apr 20, 4:28 PM EDT | Special Weather Statement | PBZ | 47 min |
| Apr 20, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | 28 min |
| Apr 30, 2:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 11:59 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 12:32 PM EDT | Tornado Watch | SPC | 4 hr |
| May 1, 3:42 PM EDT | Special Weather Statement | PBZ | 48 min |
| May 1, 4:43 PM EDT | Special Weather Statement | PBZ | 77 min |
| May 1, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | 41 min |
| May 2, 4:37 AM EDT | Wind Advisory | PBZ | 14 hr |
| May 5, 4:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 5, 6:20 PM EDT | Special Weather Statement | PBZ | 40 min |
| May 5, 6:51 PM EDT | Severe Thunderstorm Warning | PBZ | 39 min |
| May 19, 4:53 PM EDT | Severe Thunderstorm Warning | PBZ | 37 min |
| May 28, 11:11 AM EDT | Flash Flood Watch | PBZ | 8 hr |
| Jun 13, 12:18 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 2:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 12:26 PM EDT | Flash Flood Watch | PBZ | 38 hr |
| Jun 23, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 23, 4:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 5:29 PM EDT | Severe Thunderstorm Warning | PBZ | 61 min |
| Jun 23, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | 42 min |
| Jun 23, 7:20 PM EDT | Tornado Warning | PBZ | 40 min |
| Jun 23, 8:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 23, 8:40 PM EDT | Special Weather Statement | PBZ | 35 min |
| Jun 23, 8:56 PM EDT | Severe Thunderstorm Warning | PBZ | 64 min |
| Jul 6, 9:56 AM EDT | Flash Flood Watch | PBZ | 11 hr |
| Jul 7, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 7, 3:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 7, 4:01 PM EDT | Severe Thunderstorm Warning | PBZ | 44 min |
| Jul 10, 3:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 9:25 AM EDT | Flash Flood Watch | PBZ | 31 hr |
| Jul 14, 1:07 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jul 22, 8:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 22, 2:25 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Jul 22, 6:36 PM EDT | Special Weather Statement | PBZ | 54 min |
| Jul 24, 2:17 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 27, 2:13 PM EDT | Flash Flood Watch | PBZ | 42 hr |
| Jul 28, 7:07 PM EDT | Flash Flood Warning | PBZ | 5 hr |
| Jul 29, 2:24 AM EDT | Areal Flood Advisory | PBZ | 5 hr |
| Jul 29, 6:44 AM EDT | Areal Flood Warning | PBZ | 12 hr |
| Jul 29, 11:33 AM EDT | River Flood Warning | PBZ | 18 hr |
| Aug 4, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 4, 3:50 PM EDT | Severe Thunderstorm Warning | PBZ | 40 min |
| Aug 4, 7:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 8:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Aug 22, 12:39 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 14, 9:08 PM EDT | Dense Fog Advisory | PBZ | 13 hr |
| Sep 15, 9:30 PM EDT | Dense Fog Advisory | PBZ | 12 hr |
| Oct 29, 3:25 AM EDT | Wind Advisory | PBZ | 26 hr |
| Oct 29, 3:30 AM EDT | Winter Weather Advisory | PBZ | 26 hr |
| Nov 18, 3:55 AM EST | Wind Advisory | PBZ | 29 hr |
| Nov 19, 3:03 PM EST | Special Weather Statement | PBZ | 57 min |
| Dec 11, 12:05 PM EST | Wind Chill Advisory | PBZ | 48 hr |
| Dec 11, 12:05 PM EST | Winter Weather Advisory | PBZ | 39 hr |
| Dec 13, 2:59 AM EST | Winter Weather Advisory | PBZ | 31 hr |
| Dec 13, 3:38 PM EST | Special Weather Statement | PBZ | 52 min |
| Dec 23, 2:04 PM EST | Winter Weather Advisory | PBZ | 46 hr |
| Dec 27, 1:34 PM EST | Wind Chill Advisory | PBZ | 17 hr |
| Dec 29, 3:53 PM EST | Winter Weather Advisory | PBZ | 29 hr |
| Dec 30, 2:43 PM EST | Winter Storm Warning | PBZ | 6 hr |
| Dec 30, 7:56 PM EST | Wind Chill Advisory | PBZ | 4 days |
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 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 12 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 16 |
| Cold | |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 7 |
| 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 archive20162018
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.