Alert archive / West Virginia / Nicholas County
Weather alerts in Nicholas County, West Virginia, 2020
94 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Nicholas County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 94
- Warnings
- 22
- Watches
- 18
- Advisories
- 17
- Busiest month
- August18 alerts
- Busiest day
- August 27, 20206 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Nicholas County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 8 | 5 | 38% | 4 | 50% | 24 min |
| Flash flood warnings | 4 | 3 | 25% | 1 | 100% | 75 min |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, WV: tornado warnings | 8 | 0 | 100% | 1 | 0% | |
| NWS Charleston, WV: severe thunderstorm warnings | 143 | 95 | 34% | 361 | 75% | 23 min |
| NWS Charleston, WV: flash flood warnings | 72 | 37 | 49% | 114 | 71% | 67 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, 3:31 AM EST | Winter Weather Advisory | RLX | 30 hr |
| Jan 6, 5:02 AM EST | Winter Weather Advisory | RLX | 35 hr |
| Jan 7, 8:49 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 11, 3:53 AM EST | Wind Advisory | RLX | 30 hr |
| Jan 11, 8:57 PM EST | Severe Thunderstorm Warning | RLX | 48 min |
| Jan 17, 3:11 AM EST | Winter Weather Advisory | RLX | 40 hr |
| Jan 24, 2:24 AM EST | Wind Advisory | RLX | 17 hr |
| Feb 5, 3:26 AM EST | Flood Watch | RLX | 39 hr |
| Feb 6, 2:40 PM EST | Winter Weather Advisory | RLX | 28 hr |
| Feb 11, 10:19 AM EST | Special Weather Statement | RLX | 3 hr |
| Feb 11, 11:55 AM EST | Flood Watch | RLX | 19 min |
| Feb 11, 12:14 PM EST | Flash Flood Watch | RLX | 48 hr |
| Feb 12, 10:54 PM EST | Special Weather Statement | RLX | 66 min |
| Feb 26, 3:17 AM EST | Winter Weather Advisory | RLX | 38 hr |
| Feb 26, 4:14 PM EST | Special Weather Statement | RLX | 31 min |
| Mar 3, 4:27 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 5, 1:48 PM EST | Winter Storm Warning | RLX | 35 hr |
| Mar 5, 1:48 PM EST | Winter Weather Advisory | RLX | 35 hr |
| Apr 8, 5:30 AM EDT | Mesoscale Discussion | SPC | 30 min |
| Apr 8, 9:53 AM EDT | Flash Flood Warning | RLX | 2 hr |
| Apr 8, 12:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 8, 10:14 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 8, 10:51 PM EDT | Tornado Watch | SPC | 5 hr |
| Apr 9, 1:23 AM EDT | Severe Thunderstorm Warning | RLX | 52 min |
| Apr 9, 2:04 AM EDT | Severe Thunderstorm Warning | RLX | 56 min |
| Apr 10, 1:34 AM EDT | Wind Advisory | RLX | 15 hr |
| Apr 11, 2:36 PM EDT | High Wind Watch | RLX | 22 hr |
| Apr 12, 12:44 PM EDT | Wind Advisory | RLX | 30 hr |
| Apr 13, 2:06 AM EDT | Severe Thunderstorm Warning | RLX | 39 min |
| Apr 13, 2:47 AM EDT | Severe Thunderstorm Warning | RLX | 43 min |
| Apr 21, 3:32 AM EDT | Freeze Warning | RLX | 30 hr |
| Apr 28, 12:59 PM EDT | Flood Watch | RLX | 47 hr |
| May 3, 2:19 AM EDT | Flash Flood Watch | RLX | 20 hr |
| May 3, 6:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| May 6, 3:27 AM EDT | Freeze Warning | RLX | 30 hr |
| May 7, 4:09 AM EDT | Freeze Warning | RLX | 53 hr |
| May 9, 3:13 AM EDT | Freeze Warning | RLX | 30 hr |
| May 10, 3:12 AM EDT | Freeze Warning | RLX | 56 hr |
| May 10, 8:24 PM EDT | Special Weather Statement | RLX | 36 min |
| May 10, 8:25 PM EDT | Special Weather Statement | RLX | 35 min |
| May 10, 9:03 PM EDT | Special Weather Statement | RLX | 27 min |
| May 12, 2:03 AM EDT | Frost Advisory | RLX | 31 hr |
| May 16, 6:02 PM EDT | Special Weather Statement | RNK | 28 min |
| May 19, 2:40 AM EDT | Wind Advisory | RLX | 25 hr |
| May 24, 12:07 PM EDT | Special Weather Statement | RLX | 23 min |
| May 27, 7:15 PM EDT | Flash Flood Watch | RLX | 3 min |
| May 27, 7:18 PM EDT | Flash Flood Watch | RLX | 11 hr |
| May 29, 2:44 PM EDT | Severe Thunderstorm Warning | RLX | 46 min |
| Jun 6, 6:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 6, 7:56 PM EDT | Special Weather Statement | RLX | 19 min |
| Jun 14, 5:45 PM EDT | Special Weather Statement | RNK | 60 min |
| Jun 14, 6:13 PM EDT | Special Weather Statement | RLX | 32 min |
| Jun 15, 3:51 AM EDT | Areal Flood Warning | RLX | 6 hr |
| Jun 21, 3:52 PM EDT | Special Weather Statement | RLX | 23 min |
| Jul 10, 4:45 PM EDT | Special Weather Statement | RLX | 30 min |
| Jul 12, 9:52 PM EDT | Special Weather Statement | RLX | 23 min |
| Jul 17, 7:50 AM EDT | Special Weather Statement | RLX | 40 min |
| Jul 20, 5:45 PM EDT | Severe Thunderstorm Warning | RLX | 49 min |
| Jul 22, 5:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 22, 7:22 PM EDT | Special Weather Statement | RLX | 23 min |
| Jul 30, 12:22 PM EDT | Flash Flood Watch | RLX | 20 hr |
| Aug 1, 2:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Aug 1, 3:57 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 1, 8:27 PM EDT | Special Weather Statement | RLX | 33 min |
| Aug 14, 1:01 PM EDT | Flash Flood Watch | RLX | 25 hr |
| Aug 15, 2:57 PM EDT | Flash Flood Warning | RLX | 3 hr |
| Aug 15, 3:48 PM EDT | Flash Flood Warning | RLX | 3 hr |
| Aug 25, 3:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 25, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 25, 6:40 PM EDT | Special Weather Statement | RLX | 35 min |
| Aug 25, 7:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 27, 2:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 3:10 PM EDT | Severe Thunderstorm Warning | RLX | 50 min |
| Aug 27, 3:57 PM EDT | Special Weather Statement | RLX | 33 min |
| Aug 27, 4:29 PM EDT | Special Weather Statement | RLX | 31 min |
| Aug 27, 5:27 PM EDT | Special Weather Statement | RLX | 33 min |
| Aug 27, 5:35 PM EDT | Flash Flood Warning | RLX | 5 hr |
| Aug 30, 7:29 PM EDT | Flood Watch | RLX | 26 hr |
| Aug 31, 5:21 AM EDT | Special Weather Statement | RLX | 54 min |
| Sep 2, 12:10 PM EDT | Special Weather Statement | RLX | 50 min |
| Sep 28, 10:49 PM EDT | Special Weather Statement | RLX | 56 min |
| Oct 2, 3:13 AM EDT | Frost Advisory | RLX | 30 hr |
| Oct 15, 2:58 PM EDT | Freeze Watch | RLX | 23 hr |
| Oct 16, 1:52 PM EDT | Freeze Warning | RLX | 20 hr |
| Oct 28, 2:07 PM EDT | Flood Watch | RLX | 24 hr |
| Nov 14, 1:46 PM EST | Wind Advisory | RLX | 41 hr |
| Nov 30, 3:19 AM EST | Winter Weather Advisory | RLX | 49 hr |
| Dec 14, 4:01 AM EST | Winter Storm Watch | RLX | 34 hr |
| Dec 15, 4:32 AM EST | Winter Storm Warning | RLX | 46 hr |
| Dec 21, 4:22 AM EST | Winter Weather Advisory | RLX | 32 hr |
| Dec 23, 4:41 AM EST | Winter Storm Watch | RLX | 9 hr |
| Dec 23, 1:32 PM EST | Winter Storm Warning | RLX | 41 hr |
| Dec 24, 4:59 AM EST | Winter Weather Advisory | RLX | 35 hr |
| Dec 24, 2:28 PM EST | Mesoscale Discussion | SPC | 5 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 archive20192021
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.