Alert archive / West Virginia / Harrison County
Weather alerts in Harrison County, West Virginia, 2024
90 weather alerts in 2024, 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 2024. Tap one for its archive.
- Alerts
- 90
- Warnings
- 22
- Watches
- 18
- Advisories
- 21
- Busiest month
- April21 alerts
- Busiest day
- May 26, 20247 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, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 13 | 10 | 23% | 18 | 39% | 19 min |
| Flash flood warnings | 5 | 4 | 20% | 10 | 100% | 161 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, WV: tornado warnings | 20 | 6 | 70% | 22 | 64% | 12 min |
| NWS Charleston, WV: severe thunderstorm warnings | 202 | 122 | 40% | 613 | 66% | 23 min |
| NWS Charleston, WV: flash flood warnings | 51 | 29 | 43% | 131 | 81% | 121 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 8, 3:00 AM EST | Wind Advisory | RLX | 62 hr |
| Jan 11, 1:20 PM EST | Wind Advisory | RLX | 3 days |
| Jan 14, 2:17 PM EST | Winter Weather Advisory | RLX | 47 hr |
| Jan 16, 2:40 AM EST | Wind Chill Advisory | RLX | 43 hr |
| Jan 17, 2:35 PM EST | Winter Storm Watch | RLX | 13 hr |
| Jan 18, 3:28 AM EST | Winter Storm Warning | RLX | 64 hr |
| Jan 23, 1:25 PM EST | Flood Watch | RLX | 63 hr |
| Jan 26, 2:13 PM EST | Flood Watch | RLX | 44 hr |
| Feb 16, 3:06 AM EST | Winter Weather Advisory | RLX | 25 hr |
| Feb 16, 7:40 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 27, 1:36 PM EST | Flood Watch | RLX | 23 hr |
| Feb 28, 8:15 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 14, 11:16 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 19, 2:22 AM EDT | Wind Advisory | RLX | 42 hr |
| Mar 30, 4:46 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 30, 7:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Mar 30, 7:44 PM EDT | Severe Thunderstorm Warning | RLX | 31 min |
| Mar 30, 8:16 PM EDT | Severe Thunderstorm Warning | RLX | 29 min |
| Mar 31, 12:48 PM EDT | Flood Watch | RLX | 70 hr |
| Apr 1, 12:14 AM EDT | Special Weather Statement | RLX | 31 min |
| Apr 2, 11:11 AM EDT | Severe Thunderstorm Warning | RLX | 64 min |
| Apr 2, 12:06 PM EDT | Severe Thunderstorm Warning | RLX | 39 min |
| Apr 2, 7:22 PM EDT | Tornado Watch | SPC | 4 hr |
| Apr 2, 8:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 3, 8:54 AM EDT | Areal Flood Warning | RLX | 16 hr |
| Apr 11, 9:42 AM EDT | Flood Watch | RLX | 16 hr |
| Apr 11, 4:06 PM EDT | Tornado Watch | SPC | 5 hr |
| Apr 11, 6:43 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 7:40 PM EDT | Flash Flood Warning | RLX | 5 hr |
| Apr 11, 11:55 PM EDT | Flash Flood Warning | RLX | 2 hr |
| Apr 12, 12:43 AM EDT | Areal Flood Warning | RLX | 12 hr |
| Apr 12, 3:12 AM EDT | Wind Advisory | RLX | 39 hr |
| Apr 15, 5:53 PM EDT | Special Weather Statement | RLX | 22 min |
| Apr 17, 3:46 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 17, 9:15 PM EDT | Severe Thunderstorm Warning | RLX | 30 min |
| Apr 17, 9:42 PM EDT | Severe Thunderstorm Warning | RLX | 33 min |
| Apr 17, 9:49 PM EDT | Special Weather Statement | RLX | 26 min |
| Apr 20, 1:51 PM EDT | Frost Advisory | RLX | 18 hr |
| Apr 21, 12:18 PM EDT | Frost Advisory | RLX | 21 hr |
| Apr 22, 2:05 PM EDT | Frost Advisory | RLX | 19 hr |
| May 1, 3:43 AM EDT | Dense Fog Advisory | RLX | 6 hr |
| May 8, 2:26 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 8:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 12:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 11:35 PM EDT | Flash Flood Warning | RLX | 7 hr |
| May 26, 3:28 AM EDT | Flash Flood Warning | RLX | 3 hr |
| May 26, 1:46 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 26, 3:52 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 26, 5:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 26, 6:08 PM EDT | Severe Thunderstorm Warning | RLX | 52 min |
| May 26, 6:39 PM EDT | Severe Thunderstorm Warning | RLX | 51 min |
| May 29, 2:41 PM EDT | Special Weather Statement | RLX | 34 min |
| Jun 14, 2:24 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 14, 6:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 15, 11:11 AM EDT | Excessive Heat Watch | RLX | 40 hr |
| Jun 17, 3:01 AM EDT | Heat Advisory | RLX | 6 days |
| Jun 18, 1:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 18, 6:53 PM EDT | Severe Thunderstorm Warning | RLX | 52 min |
| Jun 18, 7:05 PM EDT | Special Weather Statement | RLX | 25 min |
| Jun 18, 8:00 PM EDT | Flash Flood Warning | RLX | 2 hr |
| Jun 23, 1:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 7:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 26, 4:31 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 26, 4:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 26, 9:21 PM EDT | Mesoscale Discussion | SPC | 24 min |
| Jun 29, 12:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 29, 3:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 29, 4:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 29, 4:29 PM EDT | Special Weather Statement | RLX | 31 min |
| Jun 29, 7:22 PM EDT | Severe Thunderstorm Warning | RLX | 23 min |
| Jun 29, 7:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 9, 3:21 AM EDT | Heat Advisory | RLX | 17 hr |
| Jul 15, 2:45 AM EDT | Heat Advisory | RLX | 17 hr |
| Aug 27, 3:43 AM EDT | Heat Advisory | RLX | 40 hr |
| Aug 31, 12:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 31, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 31, 1:45 PM EDT | Special Weather Statement | RLX | 30 min |
| Aug 31, 2:24 PM EDT | Special Weather Statement | RLX | 36 min |
| Sep 21, 2:37 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 22, 2:54 AM EDT | Dense Fog Advisory | RLX | 7 hr |
| Sep 24, 1:18 PM EDT | Severe Thunderstorm Warning | RLX | 27 min |
| Sep 24, 1:42 PM EDT | Severe Thunderstorm Warning | RLX | 33 min |
| Sep 24, 1:56 PM EDT | Severe Thunderstorm Warning | RLX | 49 min |
| Oct 3, 3:01 AM EDT | Dense Fog Advisory | RLX | 7 hr |
| Oct 9, 11:47 AM EDT | Frost Advisory | RLX | 21 hr |
| Oct 10, 1:39 AM EDT | Frost Advisory | RLX | 31 hr |
| Oct 10, 1:39 AM EDT | Freeze Warning | RLX | 31 hr |
| Dec 4, 3:00 AM EST | Wind Advisory | RLX | 37 hr |
| Dec 28, 1:13 PM EST | Wind Advisory | RLX | 33 hr |
| Dec 31, 2:52 PM EST | Special Weather Statement | RLX | 38 min |
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 | 13 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 5 |
| Flood Watch | 5 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 5 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.