Alert archive / West Virginia / Clay County
Weather alerts in Clay County, West Virginia, 2018
107 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clay County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 107
- Warnings
- 16
- Watches
- 16
- Advisories
- 22
- Busiest month
- August16 alerts
- Busiest day
- March 8, 20183 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Clay County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 4 | 3 | 25% | 0 | ||
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, WV: tornado warnings | 2 | 1 | 50% | 3 | 33% | 4 min |
| NWS Charleston, WV: severe thunderstorm warnings | 124 | 73 | 41% | 186 | 66% | 16 min |
| NWS Charleston, WV: flash flood warnings | 80 | 48 | 40% | 163 | 74% | 60 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 7, 3:45 AM EST | Winter Weather Advisory | RLX | 43 hr |
| Jan 11, 11:21 AM EST | Flood Watch | RLX | 23 hr |
| Jan 11, 4:40 PM EST | Winter Weather Advisory | RLX | 41 hr |
| Jan 15, 5:43 AM EST | Winter Weather Advisory | RLX | 48 hr |
| Jan 29, 3:52 AM EST | Winter Weather Advisory | RLX | 32 hr |
| Feb 5, 8:16 PM EST | Winter Weather Advisory | RLX | 18 hr |
| Feb 6, 10:36 AM EST | Flood Watch | RLX | 26 hr |
| Feb 9, 2:56 AM EST | Flood Watch | RLX | 59 hr |
| Feb 11, 7:56 AM EST | Areal Flood Warning | RLX | 6 hr |
| Feb 11, 9:44 AM EST | Areal Flood Warning | RLX | 6 hr |
| Feb 13, 2:13 PM EST | Flood Watch | RLX | 3 days |
| Feb 16, 9:20 AM EST | Special Weather Statement | RLX | 3 hr |
| Feb 16, 9:59 AM EST | Areal Flood Warning | RLX | 9 hr |
| Feb 24, 1:17 PM EST | Special Weather Statement | RLX | 118 min |
| Feb 24, 2:24 PM EST | Special Weather Statement | RLX | 111 min |
| Mar 1, 3:27 AM EST | Wind Advisory | RLX | 35 hr |
| Mar 6, 10:00 AM EST | Special Weather Statement | RLX | 15 min |
| Mar 7, 4:31 PM EST | Special Weather Statement | RLX | 59 min |
| Mar 8, 10:19 AM EST | Special Weather Statement | RLX | 116 min |
| Mar 8, 12:35 PM EST | Special Weather Statement | RLX | 115 min |
| Mar 8, 2:33 PM EST | Special Weather Statement | RLX | 117 min |
| Mar 11, 5:05 AM EDT | Winter Weather Advisory | RLX | 34 hr |
| Mar 13, 10:39 AM EDT | Winter Weather Advisory | RLX | 27 hr |
| Mar 16, 3:56 AM EDT | Winter Weather Advisory | RLX | 33 hr |
| Mar 19, 3:39 PM EDT | Winter Storm Watch | RLX | 13 hr |
| Mar 19, 3:39 PM EDT | Winter Weather Advisory | RLX | 55 hr |
| Mar 20, 9:55 PM EDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 21, 6:33 PM EDT | Special Weather Statement | RLX | 42 min |
| Mar 22, 6:17 AM EDT | Special Weather Statement | RLX | 118 min |
| Mar 27, 1:32 PM EDT | Flood Watch | RLX | 68 hr |
| Apr 3, 6:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 7:07 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 3, 9:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 4, 1:57 AM EDT | Special Weather Statement | RLX | 63 min |
| Apr 4, 5:46 AM EDT | Special Weather Statement | RLX | 44 min |
| Apr 11, 11:27 AM EDT | Fire Weather Watch | RLX | 33 hr |
| Apr 12, 3:58 AM EDT | Red Flag Warning | RLX | 16 hr |
| Apr 14, 2:18 PM EDT | Flash Flood Watch | RLX | 38 hr |
| Apr 16, 3:03 AM EDT | Freeze Warning | RLX | 31 hr |
| Apr 17, 4:58 PM EDT | Freeze Warning | RLX | 16 hr |
| Apr 19, 3:05 AM EDT | Freeze Warning | RLX | 31 hr |
| Apr 20, 2:13 PM EDT | Freeze Warning | RLX | 20 hr |
| Apr 28, 3:08 AM EDT | Frost Advisory | RLX | 30 hr |
| Apr 29, 9:39 AM EDT | Freeze Warning | RLX | 23 hr |
| Apr 30, 7:18 PM EDT | Frost Advisory | RLX | 14 hr |
| May 6, 11:29 AM EDT | Areal Flood Warning | RLX | 6 hr |
| May 6, 3:16 PM EDT | Flood Watch | RLX | 29 hr |
| May 21, 3:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 22, 4:19 PM EDT | Severe Thunderstorm Warning | RLX | 18 min |
| May 23, 12:30 AM EDT | Special Weather Statement | RLX | 60 min |
| May 28, 2:22 PM EDT | Special Weather Statement | RLX | 38 min |
| Jun 18, 2:44 AM EDT | Heat Advisory | RLX | 17 hr |
| Jun 19, 3:13 PM EDT | Special Weather Statement | RLX | 32 min |
| Jun 20, 3:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 3:41 AM EDT | Flash Flood Watch | RLX | 46 hr |
| Jun 24, 12:03 PM EDT | Special Weather Statement | RLX | 27 min |
| Jun 27, 4:44 PM EDT | Special Weather Statement | RLX | 46 min |
| Jul 2, 8:08 PM EDT | Special Weather Statement | RLX | 67 min |
| Jul 3, 1:56 PM EDT | Heat Advisory | RLX | 30 hr |
| Jul 5, 4:27 AM EDT | Heat Advisory | RLX | 14 hr |
| Jul 5, 10:32 AM EDT | Flash Flood Watch | RLX | 14 hr |
| Jul 5, 8:09 PM EDT | Special Weather Statement | RLX | 66 min |
| Jul 20, 2:49 PM EDT | Special Weather Statement | RLX | 26 min |
| Jul 20, 7:44 PM EDT | Special Weather Statement | RLX | 46 min |
| Jul 27, 1:28 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 31, 3:36 PM EDT | Special Weather Statement | RLX | 24 min |
| Aug 1, 3:40 AM EDT | Flash Flood Watch | RLX | 62 hr |
| Aug 7, 4:36 PM EDT | Special Weather Statement | RLX | 24 min |
| Aug 12, 6:40 AM EDT | Special Weather Statement | RLX | 35 min |
| Aug 12, 7:11 AM EDT | Special Weather Statement | RLX | 34 min |
| Aug 12, 7:17 AM EDT | Severe Thunderstorm Warning | RLX | 43 min |
| Aug 13, 1:57 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 13, 2:38 PM EDT | Special Weather Statement | RLX | 52 min |
| Aug 13, 2:49 PM EDT | Severe Thunderstorm Warning | RLX | 26 min |
| Aug 16, 4:03 PM EDT | Special Weather Statement | RLX | 27 min |
| Aug 17, 8:29 PM EDT | Special Weather Statement | RLX | 46 min |
| Aug 21, 12:45 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 21, 2:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 29, 1:56 PM EDT | Special Weather Statement | RLX | 34 min |
| Aug 30, 1:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 30, 2:26 PM EDT | Special Weather Statement | RLX | 64 min |
| Aug 30, 3:12 PM EDT | Special Weather Statement | RLX | 18 min |
| Sep 4, 3:02 AM EDT | Heat Advisory | RLX | 16 hr |
| Sep 4, 3:15 PM EDT | Special Weather Statement | RLX | 60 min |
| Sep 8, 3:34 AM EDT | Flood Watch | RLX | 49 hr |
| Sep 22, 3:09 PM EDT | Flash Flood Watch | RLX | 4 days |
| Sep 25, 4:09 PM EDT | Flash Flood Warning | RLX | 84 min |
| Sep 27, 4:21 AM EDT | Flood Watch | RLX | 20 hr |
| Sep 27, 4:34 PM EDT | Areal Flood Warning | RLX | 9 hr |
| Oct 11, 7:52 AM EDT | Special Weather Statement | RLX | 3 hr |
| Oct 17, 3:18 AM EDT | Frost Advisory | RLX | 31 hr |
| Oct 18, 2:02 PM EDT | Frost Advisory | RLX | 20 hr |
| Oct 20, 3:49 PM EDT | Wind Advisory | RLX | 14 hr |
| Oct 20, 9:41 PM EDT | Special Weather Statement | RLX | 49 min |
| Oct 28, 8:14 PM EDT | Special Weather Statement | RLX | 31 min |
| Oct 28, 8:20 PM EDT | Severe Thunderstorm Warning | RLX | 25 min |
| Nov 6, 3:45 AM EST | Special Weather Statement | RLX | 45 min |
| Nov 14, 3:51 AM EST | Winter Weather Advisory | RLX | 31 hr |
| Nov 15, 3:18 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 6:12 AM EST | Winter Weather Advisory | RLX | 3 hr |
| Nov 27, 4:18 PM EST | Special Weather Statement | RLX | 117 min |
| Nov 27, 7:03 PM EST | Special Weather Statement | RLX | 3 hr |
| Dec 4, 2:16 PM EST | Winter Weather Advisory | RLX | 29 hr |
| Dec 9, 1:21 PM EST | Special Weather Statement | RLX | 3 hr |
| Dec 9, 4:21 PM EST | Special Weather Statement | RLX | 54 min |
| Dec 9, 5:42 PM EST | Special Weather Statement | RLX | 3 hr |
| Dec 21, 7:45 PM EST | Special Weather Statement | RLX | 3 hr |
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 | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 42 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 5 |
| Flood Watch | 8 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 12 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 5 |
| Frost Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
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.