Alert archive / West Virginia / Mason County
Weather alerts in Mason County, West Virginia, 2015
151 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mason County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 151
- Warnings
- 44
- Watches
- 31
- Advisories
- 14
- Busiest month
- June37 alerts
- Busiest day
- July 14, 201511 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Mason County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 20 | 14 | 30% | 6 | 83% | 27 min |
| Flash flood warnings | 7 | 7 | 0% | 4 | 100% | 78 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, WV: tornado warnings | 5 | 1 | 80% | 4 | 25% | 4 min |
| NWS Charleston, WV: severe thunderstorm warnings | 124 | 89 | 28% | 313 | 84% | 28 min |
| NWS Charleston, WV: flash flood warnings | 70 | 55 | 21% | 214 | 89% | 98 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 6, 4:17 PM EST | Wind Chill Advisory | RLX | 45 hr |
| Jan 11, 3:53 AM EST | Freezing Rain Advisory | RLX | 30 hr |
| Jan 23, 3:55 AM EST | Winter Weather Advisory | RLX | 30 hr |
| Feb 12, 11:52 AM EST | Special Weather Statement | RLX | 53 min |
| Feb 12, 12:53 PM EST | Special Weather Statement | RLX | 112 min |
| Feb 14, 4:50 AM EST | Wind Chill Advisory | RLX | 32 hr |
| Feb 14, 10:50 AM EST | Wind Advisory | RLX | 8 hr |
| Feb 14, 1:33 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 15, 5:10 AM EST | Winter Storm Watch | RLX | 10 hr |
| Feb 15, 2:54 PM EST | Winter Storm Warning | RLX | 36 hr |
| Feb 16, 9:51 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 17, 3:02 PM EST | Winter Weather Advisory | RLX | 36 hr |
| Feb 18, 4:55 AM EST | Wind Chill Advisory | RLX | 47 hr |
| Feb 20, 4:16 AM EST | Winter Storm Warning | RLX | 48 hr |
| Feb 20, 4:16 AM EST | Winter Weather Advisory | RLX | 11 hr |
| Feb 21, 5:33 PM EST | Special Weather Statement | RLX | 4 hr |
| Feb 21, 8:27 PM EST | Special Weather Statement | RLX | 3 hr |
| Feb 22, 9:28 AM EST | Areal Flood Warning | RLX | 6 hr |
| Mar 1, 9:47 AM EST | Freezing Rain Advisory | RLX | 3 hr |
| Mar 2, 12:22 PM EST | Flood Watch | RLX | 67 hr |
| Mar 2, 3:14 PM EST | Freezing Rain Advisory | RLX | 22 hr |
| Mar 3, 4:23 AM EST | Winter Storm Watch | RLX | 24 hr |
| Mar 3, 3:07 PM EST | Winter Storm Warning | RLX | 52 hr |
| Mar 4, 7:05 AM EST | Areal Flood Warning | RLX | 32 hr |
| Mar 4, 5:53 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 4, 11:00 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 5, 11:49 AM EST | River Flood Warning | RLX | 52 hr |
| Mar 9, 2:22 PM EDT | Flood Watch | RLX | 48 hr |
| Mar 10, 4:50 PM EDT | Special Weather Statement | RLX | 115 min |
| Mar 10, 5:34 PM EDT | Special Weather Statement | RLX | 71 min |
| Mar 11, 4:48 PM EDT | River Flood Warning | RLX | 6 days |
| Mar 12, 3:08 PM EDT | Flood Watch | RLX | 47 hr |
| Mar 13, 7:50 PM EDT | Areal Flood Warning | RLX | 18 hr |
| Mar 31, 12:08 PM EDT | Red Flag Warning | RLX | 8 hr |
| Apr 2, 2:05 PM EDT | Flood Watch | RLX | 36 hr |
| Apr 3, 5:45 PM EDT | Areal Flood Warning | RLX | 6 hr |
| Apr 3, 6:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 8, 11:52 AM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 8, 12:33 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 8, 12:56 PM EDT | Severe Thunderstorm Warning | RLX | 64 min |
| Apr 8, 1:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 8, 3:11 PM EDT | Flash Flood Watch | RLX | 46 hr |
| Apr 8, 3:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 9, 1:47 PM EDT | Severe Thunderstorm Warning | RLX | 43 min |
| Apr 9, 1:51 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Apr 9, 2:20 PM EDT | Severe Thunderstorm Warning | RLX | 40 min |
| Apr 9, 2:26 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 9, 2:55 PM EDT | Severe Thunderstorm Warning | RLX | 50 min |
| Apr 9, 4:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Apr 9, 4:41 PM EDT | Severe Thunderstorm Warning | RLX | 64 min |
| Apr 9, 7:31 PM EDT | Severe Thunderstorm Warning | RLX | 44 min |
| Apr 9, 8:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Apr 9, 8:07 PM EDT | Severe Thunderstorm Warning | RLX | 23 min |
| Apr 10, 3:32 AM EDT | Mesoscale Discussion | SPC | 58 min |
| Apr 10, 4:09 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 10, 6:16 AM EDT | Mesoscale Discussion | SPC | 59 min |
| Apr 10, 6:38 AM EDT | Special Weather Statement | RLX | 37 min |
| Apr 11, 4:01 AM EDT | River Flood Warning | RLX | 40 hr |
| Apr 11, 9:52 AM EDT | River Flood Warning | RLX | 48 hr |
| Apr 13, 1:07 PM EDT | Flood Watch | RLX | 30 hr |
| Apr 14, 6:54 AM EDT | Areal Flood Warning | RLX | 6 hr |
| Apr 22, 9:08 AM EDT | Special Weather Statement | RLX | 22 min |
| Apr 23, 3:31 AM EDT | Frost Advisory | RLX | 10 hr |
| Apr 23, 3:31 AM EDT | Freeze Warning | RLX | 29 hr |
| May 11, 1:53 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 11, 2:19 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 11, 4:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 11, 5:50 PM EDT | Severe Thunderstorm Warning | RLX | 25 min |
| May 11, 6:26 PM EDT | Severe Thunderstorm Warning | RLX | 34 min |
| May 26, 7:17 PM EDT | Special Weather Statement | RLX | 43 min |
| Jun 8, 12:36 PM EDT | Special Weather Statement | RLX | 24 min |
| Jun 13, 3:58 PM EDT | Special Weather Statement | RLX | 92 min |
| Jun 15, 2:25 PM EDT | Special Weather Statement | RLX | 65 min |
| Jun 15, 5:05 PM EDT | Special Weather Statement | RLX | |
| Jun 16, 12:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 6:42 PM EDT | Special Weather Statement | RLX | 63 min |
| Jun 18, 2:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 4:26 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 7:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 19, 2:42 PM EDT | Flash Flood Watch | RLX | 32 hr |
| Jun 23, 10:28 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 1:17 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 3:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 23, 4:38 PM EDT | Special Weather Statement | RLX | 37 min |
| Jun 23, 5:17 PM EDT | Special Weather Statement | RLX | 58 min |
| Jun 26, 5:09 AM EDT | Flash Flood Watch | RLX | 35 hr |
| Jun 26, 5:50 AM EDT | Special Weather Statement | RLX | 55 min |
| Jun 26, 5:17 PM EDT | Mesoscale Discussion | SPC | 28 min |
| Jun 26, 5:31 PM EDT | Flash Flood Warning | RLX | 6 hr |
| Jun 26, 5:42 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 26, 5:58 PM EDT | Severe Thunderstorm Warning | RLX | 62 min |
| Jun 26, 7:00 PM EDT | Severe Thunderstorm Warning | RLX | 60 min |
| Jun 26, 8:05 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 26, 9:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jun 29, 1:52 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 2:33 PM EDT | Tornado Watch | SPC | 6 hr |
| Jun 29, 4:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 29, 6:06 PM EDT | Severe Thunderstorm Warning | RLX | 54 min |
| Jun 29, 6:22 PM EDT | Flash Flood Warning | RLX | 4 hr |
| Jun 29, 6:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 30, 12:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 12:58 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 30, 3:29 PM EDT | Special Weather Statement | RLX | 31 min |
| Jun 30, 3:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 30, 4:02 PM EDT | Flash Flood Watch | RLX | 5 hr |
| Jun 30, 4:22 PM EDT | Special Weather Statement | RLX | 38 min |
| Jun 30, 5:21 PM EDT | Special Weather Statement | RLX | 39 min |
| Jul 2, 1:01 PM EDT | Flash Flood Watch | RLX | 41 hr |
| Jul 7, 6:36 AM EDT | Flash Flood Watch | RLX | 39 hr |
| Jul 7, 4:31 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 4:59 PM EDT | Severe Thunderstorm Warning | RLX | 46 min |
| Jul 7, 7:08 PM EDT | Special Weather Statement | RLX | 37 min |
| Jul 9, 12:13 PM EDT | Flash Flood Watch | RLX | 6 hr |
| Jul 10, 10:43 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 10, 10:54 AM EDT | Flash Flood Watch | RLX | 20 hr |
| Jul 10, 9:48 PM EDT | Flash Flood Warning | RLX | 3 hr |
| Jul 10, 10:28 PM EDT | Flash Flood Warning | RLX | 3 hr |
| Jul 13, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 2:33 PM EDT | Flash Flood Watch | RLX | 32 hr |
| Jul 13, 3:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 13, 3:29 PM EDT | Severe Thunderstorm Warning | RLX | 31 min |
| Jul 13, 3:49 PM EDT | Severe Thunderstorm Warning | RLX | 26 min |
| Jul 14, 1:30 AM EDT | Flash Flood Warning | RLX | 6 hr |
| Jul 14, 1:51 AM EDT | Flash Flood Warning | RLX | 5 hr |
| Jul 14, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 14, 3:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 14, 3:59 PM EDT | Severe Thunderstorm Warning | RLX | 61 min |
| Jul 14, 4:27 PM EDT | Severe Thunderstorm Warning | RLX | 63 min |
| Jul 14, 4:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 14, 4:45 PM EDT | Severe Thunderstorm Warning | RLX | 15 min |
| Jul 14, 4:51 PM EDT | Severe Thunderstorm Warning | RLX | 54 min |
| Jul 14, 4:56 PM EDT | Flash Flood Warning | RLX | 4 hr |
| Jul 14, 5:11 PM EDT | Severe Thunderstorm Warning | RLX | 64 min |
| Jul 19, 1:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 19, 3:08 PM EDT | Flash Flood Watch | RLX | 8 hr |
| Jul 27, 5:48 PM EDT | Special Weather Statement | RLX | 72 min |
| Jul 27, 6:53 PM EDT | Special Weather Statement | RLX | 52 min |
| Aug 10, 6:42 PM EDT | Special Weather Statement | RLX | 63 min |
| Sep 9, 4:38 PM EDT | Special Weather Statement | RLX | 3 hr |
| Oct 9, 2:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Oct 16, 3:57 AM EDT | Frost Advisory | RLX | 29 hr |
| Oct 16, 3:57 AM EDT | Freeze Watch | RLX | 24 hr |
| Oct 17, 3:32 AM EDT | Freeze Warning | RLX | 29 hr |
| Oct 17, 2:52 PM EDT | Freeze Warning | RLX | 42 hr |
| Nov 12, 3:13 AM EST | Wind Advisory | RLX | 16 hr |
| Nov 17, 2:28 PM EST | Wind Advisory | RLX | 33 hr |
| Dec 14, 9:31 AM EST | Special Weather Statement | RLX | 4 hr |
| Dec 23, 8:42 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 24, 1:46 AM EST | Special Weather Statement | RLX | 44 min |
| Dec 24, 1:40 PM EST | Flood Watch | RLX | 49 hr |
| Dec 25, 11:46 AM EST | Areal Flood Warning | RLX | 6 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 archive20142016
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.