Alert archive / West Virginia / Harrison County
Weather alerts in Harrison County, West Virginia, 2015
110 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Harrison County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 110
- Warnings
- 24
- Watches
- 28
- Advisories
- 13
- Busiest month
- April23 alerts
- Busiest day
- April 9, 201510 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Harrison County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 8 | 7 | 13% | 7 | 100% | 27 min |
| Flash flood warnings | 4 | 3 | 25% | 4 | 50% | 97 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 5, 1:46 PM EST | Winter Weather Advisory | RLX | 29 hr |
| Jan 6, 4:17 PM EST | Wind Chill Advisory | RLX | 45 hr |
| Jan 8, 11:08 AM EST | Wind Chill Advisory | RLX | 112 min |
| Jan 9, 4:29 AM EST | Wind Chill Advisory | RLX | 30 hr |
| Jan 11, 3:53 AM EST | Freezing Rain Advisory | RLX | 30 hr |
| Jan 11, 8:50 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 11, 3:42 PM EST | Winter Weather Advisory | RLX | 33 hr |
| Feb 13, 2:39 PM EST | Winter Weather Advisory | RLX | 42 hr |
| Feb 14, 4:50 AM EST | Wind Chill Warning | RLX | 34 hr |
| Feb 14, 4:50 AM EST | Wind Chill Advisory | RLX | 32 hr |
| Feb 14, 1:33 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 15, 2:54 PM EST | Winter Storm Watch | RLX | 12 hr |
| Feb 15, 2:54 PM EST | Winter Storm Warning | RLX | 36 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 2, 12:22 PM EST | Flood Watch | RLX | 67 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, 6:49 AM EST | Areal Flood Warning | RLX | 31 hr |
| Mar 4, 11:00 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 9, 2:22 PM EDT | Flood Watch | RLX | 48 hr |
| Mar 10, 5:38 PM EDT | Special Weather Statement | RLX | 3 hr |
| Mar 11, 7:23 AM EDT | River Flood Warning | RLX | 12 hr |
| Mar 11, 7:32 AM EDT | Areal Flood Warning | RLX | 8 hr |
| Mar 12, 3:08 PM EDT | Flood Watch | RLX | 47 hr |
| Apr 2, 2:05 PM EDT | Flood Watch | RLX | 36 hr |
| Apr 8, 12:33 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 8, 1:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 8, 2:29 PM EDT | Special Weather Statement | RLX | 61 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 8, 10:43 PM EDT | Flash Flood Warning | RLX | 4 hr |
| Apr 9, 3:57 AM EDT | Flash Flood Warning | RLX | 3 hr |
| Apr 9, 6:56 AM EDT | Areal Flood Warning | RLX | 10 hr |
| Apr 9, 2:26 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 9, 4:24 PM EDT | Severe Thunderstorm Warning | RLX | 66 min |
| Apr 9, 5:35 PM EDT | Special Weather Statement | RLX | 55 min |
| Apr 9, 5:59 PM EDT | Severe Thunderstorm Warning | RLX | 61 min |
| Apr 9, 6:11 PM EDT | Severe Thunderstorm Warning | RLX | 64 min |
| Apr 9, 6:15 PM EDT | Severe Thunderstorm Warning | RLX | 31 min |
| Apr 9, 6:54 PM EDT | Severe Thunderstorm Warning | RLX | 51 min |
| Apr 9, 8:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Apr 9, 9:12 PM EDT | Special Weather Statement | RLX | 63 min |
| Apr 10, 4:09 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 10, 7:58 AM EDT | Special Weather Statement | RLX | 62 min |
| Apr 10, 10:08 AM EDT | Special Weather Statement | RLX | 37 min |
| Apr 13, 1:07 PM EDT | Flood Watch | RLX | 30 hr |
| Apr 23, 3:31 AM EDT | Freeze Warning | RLX | 29 hr |
| May 11, 5:47 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 11, 7:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 18, 4:18 PM EDT | Special Weather Statement | RLX | 117 min |
| May 29, 1:50 PM EDT | Special Weather Statement | RLX | 25 min |
| Jun 8, 1:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 2:03 PM EDT | Special Weather Statement | RLX | 27 min |
| Jun 8, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 6:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 12, 7:44 PM EDT | Special Weather Statement | RLX | 31 min |
| Jun 16, 12:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 2:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 2:42 PM EDT | Flash Flood Watch | RLX | 32 hr |
| Jun 20, 1:10 PM EDT | Special Weather Statement | RLX | 65 min |
| Jun 20, 1:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jun 20, 1:42 PM EDT | Severe Thunderstorm Warning | RLX | 48 min |
| Jun 20, 2:23 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 20, 2:26 PM EDT | Severe Thunderstorm Warning | RLX | 64 min |
| Jun 20, 4:33 PM EDT | Flash Flood Warning | RLX | 6 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 26, 5:09 AM EDT | Flash Flood Watch | RLX | 35 hr |
| 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, 3:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 30, 6:12 PM EDT | Special Weather Statement | RLX | 33 min |
| 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, 6:00 PM EDT | Special Weather Statement | RLX | 60 min |
| Jul 9, 11:27 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 12:13 PM EDT | Flash Flood Watch | RLX | 6 hr |
| Jul 9, 1:27 PM EDT | Tornado Watch | SPC | 6 hr |
| Jul 10, 10:54 AM EDT | Flash Flood Watch | RLX | 20 hr |
| Jul 13, 2:33 PM EDT | Flash Flood Watch | RLX | 32 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, 4:34 PM EDT | Severe Thunderstorm Warning | RLX | 56 min |
| Jul 14, 4:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 18, 4:38 AM EDT | Flash Flood Warning | RLX | 3 hr |
| Jul 19, 3:08 PM EDT | Flash Flood Watch | RLX | 8 hr |
| Jul 27, 2:02 PM EDT | Special Weather Statement | RLX | 88 min |
| Jul 27, 3:24 PM EDT | Special Weather Statement | RLX | 81 min |
| Jul 29, 8:01 PM EDT | Special Weather Statement | RLX | 29 min |
| Aug 31, 7:23 PM EDT | Special Weather Statement | RLX | 37 min |
| Sep 2, 4:31 PM EDT | Special Weather Statement | RLX | 29 min |
| Sep 3, 6:03 PM EDT | Special Weather Statement | RLX | 27 min |
| Sep 4, 8:20 PM EDT | Special Weather Statement | RLX | 40 min |
| Sep 29, 1:48 PM EDT | Flash Flood Watch | RLX | 13 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 |
| Dec 14, 9:31 AM EST | Special Weather Statement | RLX | 4 hr |
| Dec 18, 8:02 PM EST | Special Weather Statement | RLX | 88 min |
| Dec 24, 1:40 PM EST | Flood Watch | RLX | 49 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.