Alert archive / West Virginia / Preston County
Weather alerts in Preston County, West Virginia, 2018
104 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 104
- Warnings
- 25
- Watches
- 23
- Advisories
- 34
- Busiest month
- May20 alerts
- Busiest day
- May 14, 20187 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 1 tornado warnings covering Preston County in 2018 had a tornado report inside them.
Preston County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 6 | 4 | 33% | 2 | 50% | 18 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pittsburgh, PA: tornado warnings | 21 | 4 | 81% | 14 | 43% | 12 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 207 | 154 | 26% | 416 | 80% | 19 min |
| NWS Pittsburgh, PA: flash flood warnings | 79 | 54 | 32% | 204 | 84% | 62 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 3, 3:30 AM EST | Wind Chill Watch | PBZ | 24 hr |
| Jan 3, 3:42 PM EST | Wind Chill Advisory | PBZ | 4 days |
| Jan 4, 3:25 AM EST | Wind Chill Warning | PBZ | 58 hr |
| Jan 4, 11:16 AM EST | Winter Weather Advisory | PBZ | 8 hr |
| Jan 7, 2:08 PM EST | Winter Weather Advisory | PBZ | 36 hr |
| Jan 11, 12:45 PM EST | Flood Watch | PBZ | 32 hr |
| Jan 11, 3:06 PM EST | Winter Weather Advisory | PBZ | 43 hr |
| Jan 12, 7:04 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 13, 1:43 PM EST | Wind Chill Advisory | PBZ | 20 hr |
| Jan 15, 1:42 PM EST | Winter Weather Advisory | PBZ | 34 hr |
| Jan 17, 2:20 PM EST | Wind Chill Advisory | PBZ | 19 hr |
| Jan 29, 3:58 AM EST | Winter Weather Advisory | PBZ | 39 hr |
| Feb 1, 11:48 AM EST | Winter Weather Advisory | PBZ | 22 hr |
| Feb 6, 2:56 AM EST | Winter Weather Advisory | PBZ | 34 hr |
| Feb 12, 6:43 AM EST | Special Weather Statement | PBZ | 62 min |
| Feb 14, 3:23 PM EST | Flood Watch | PBZ | 51 hr |
| Feb 15, 11:46 AM EST | River Flood Watch | PBZ | 21 hr |
| Feb 15, 10:55 PM EST | Areal Flood Advisory | PBZ | 3 hr |
| Feb 15, 11:59 PM EST | Areal Flood Warning | PBZ | 36 hr |
| Feb 16, 7:51 AM EST | River Flood Warning | PBZ | 23 hr |
| Feb 16, 7:09 PM EST | Winter Storm Watch | PBZ | 7 hr |
| Feb 16, 7:09 PM EST | Winter Weather Advisory | PBZ | 33 hr |
| Feb 17, 1:57 AM EST | Winter Storm Warning | PBZ | 26 hr |
| Feb 22, 3:15 AM EST | Flood Watch | PBZ | 3 days |
| Feb 25, 4:15 AM EST | Special Weather Statement | PBZ | 60 min |
| Mar 1, 3:27 AM EST | Wind Advisory | PBZ | 12 hr |
| Mar 1, 3:32 AM EST | Winter Weather Advisory | PBZ | 33 hr |
| Mar 1, 10:10 AM EST | High Wind Warning | PBZ | 28 hr |
| Mar 6, 10:00 AM EST | Special Weather Statement | PBZ | 15 min |
| Mar 8, 3:29 AM EST | Winter Weather Advisory | PBZ | 34 hr |
| Mar 13, 1:29 AM EDT | Winter Weather Advisory | PBZ | 43 hr |
| Mar 16, 1:36 PM EDT | Winter Weather Advisory | PBZ | 24 hr |
| Mar 19, 11:32 AM EDT | Winter Storm Watch | PBZ | 4 hr |
| Mar 19, 3:19 PM EDT | Winter Storm Warning | PBZ | 53 hr |
| Mar 20, 12:06 PM EDT | Winter Weather Advisory | PBZ | 32 hr |
| Mar 28, 11:36 PM EDT | Dense Fog Advisory | PBZ | 7 hr |
| Apr 1, 3:16 AM EDT | Winter Storm Watch | PBZ | 10 hr |
| Apr 1, 1:32 PM EDT | Winter Storm Warning | PBZ | 17 hr |
| Apr 1, 1:32 PM EDT | Winter Weather Advisory | PBZ | 17 hr |
| Apr 3, 1:58 PM EDT | Wind Advisory | PBZ | 30 hr |
| Apr 3, 6:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 12, 8:44 AM EDT | Red Flag Warning | PBZ | 11 hr |
| Apr 13, 9:30 AM EDT | Red Flag Warning | PBZ | 11 hr |
| Apr 13, 10:53 AM EDT | River Flood Watch | PBZ | 24 hr |
| Apr 14, 2:41 PM EDT | Flash Flood Watch | PBZ | 37 hr |
| Apr 15, 10:29 PM EDT | Areal Flood Warning | PBZ | 18 hr |
| Apr 16, 10:52 AM EDT | River Flood Warning | PBZ | 18 hr |
| May 10, 2:32 PM EDT | Severe Thunderstorm Warning | PBZ | 43 min |
| May 10, 2:42 PM EDT | Severe Thunderstorm Warning | PBZ | 48 min |
| May 12, 1:51 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 2:47 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 12, 5:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 13, 1:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 13, 7:00 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 14, 11:56 AM EDT | Mesoscale Discussion | SPC | 64 min |
| May 14, 12:29 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 14, 3:15 PM EDT | Severe Thunderstorm Warning | PBZ | 30 min |
| May 14, 3:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | 24 min |
| May 14, 3:53 PM EDT | Severe Thunderstorm Warning | PBZ | 37 min |
| May 14, 4:03 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| May 15, 2:42 AM EDT | Flash Flood Watch | PBZ | 20 hr |
| May 15, 8:48 PM EDT | Special Weather Statement | PBZ | 42 min |
| May 16, 1:30 PM EDT | Flood Watch | PBZ | 56 hr |
| May 19, 7:13 PM EDT | Special Weather Statement | PBZ | 32 min |
| May 21, 8:33 PM EDT | Areal Flood Warning | PBZ | 75 min |
| Jun 20, 10:53 AM EDT | Flash Flood Watch | PBZ | 11 hr |
| Jun 20, 3:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 4:10 AM EDT | Flash Flood Watch | PBZ | 19 hr |
| Aug 1, 4:16 AM EDT | Flash Flood Watch | PBZ | 63 hr |
| Aug 4, 6:55 AM EDT | Dense Fog Advisory | PBZ | 2 hr |
| Aug 7, 1:53 PM EDT | Special Weather Statement | PBZ | 37 min |
| Aug 13, 1:57 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 13, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | 29 min |
| Aug 21, 12:45 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 21, 2:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 21, 2:41 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 21, 4:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 3:34 AM EDT | Flood Watch | PBZ | 49 hr |
| Sep 9, 3:13 AM EDT | Areal Flood Warning | PBZ | 3 hr |
| Sep 9, 5:48 AM EDT | Areal Flood Warning | PBZ | 6 hr |
| Sep 10, 3:32 AM EDT | Areal Flood Advisory | PBZ | 5 hr |
| Sep 27, 4:04 AM EDT | Flood Watch | PBZ | 20 hr |
| Sep 27, 8:26 PM EDT | Areal Flood Warning | PBZ | 6 hr |
| Oct 2, 2:55 PM EDT | Tornado Watch | SPC | 8 hr |
| Oct 2, 7:12 PM EDT | Tornado Warning | PBZ | 33 min |
| Oct 13, 2:18 PM EDT | Frost Advisory | PBZ | 13 hr |
| Oct 17, 2:12 PM EDT | Freeze Warning | PBZ | 19 hr |
| Oct 20, 1:18 PM EDT | Wind Advisory | PBZ | 17 hr |
| Nov 6, 10:04 AM EST | Wind Advisory | PBZ | 9 hr |
| Nov 10, 2:29 AM EST | Wind Advisory | PBZ | 13 hr |
| Nov 13, 3:24 PM EST | Winter Storm Watch | PBZ | 23 hr |
| Nov 14, 2:47 PM EST | Winter Storm Warning | PBZ | 38 hr |
| Nov 14, 2:47 PM EST | Winter Weather Advisory | PBZ | 34 hr |
| Nov 15, 3:18 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 9:56 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 23, 3:46 AM EST | Winter Weather Advisory | PBZ | 32 hr |
| Nov 26, 7:34 PM EST | Winter Weather Advisory | PBZ | 12 hr |
| Dec 2, 12:27 AM EST | Special Weather Statement | PBZ | 33 min |
| Dec 5, 2:25 PM EST | Winter Weather Advisory | PBZ | 11 hr |
| Dec 15, 11:50 AM EST | Areal Flood Advisory | PBZ | 6 hr |
| Dec 21, 1:18 PM EST | Winter Weather Advisory | PBZ | 24 hr |
| Dec 23, 2:22 PM EST | Winter Weather Advisory | PBZ | 15 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 archive20172019
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.