Alert archive / West Virginia / Grant County
Weather alerts in Grant County, West Virginia, 2008
127 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Grant County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 127
- Warnings
- 25
- Watches
- 27
- Advisories
- 55
- Busiest month
- June23 alerts
- Busiest day
- June 4, 20086 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Grant County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 6 | 33% | 5 | 100% | 21 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Baltimore/Washington: tornado warnings | 36 | 8 | 78% | 21 | 43% | 18 min |
| NWS Baltimore/Washington: severe thunderstorm warnings | 391 | 220 | 44% | 579 | 76% | 21 min |
| NWS Baltimore/Washington: flash flood warnings | 23 | 11 | 52% | 53 | 75% | 117 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 2, 3:49 AM EST | Wind Chill Advisory | LWX | 30 hr |
| Jan 9, 2:49 AM EST | Wind Advisory | LWX | 7 hr |
| Jan 14, 3:21 PM EST | Snow Advisory | LWX | 37 hr |
| Jan 16, 2:35 PM EST | Winter Weather Advisory | LWX | 36 hr |
| Jan 17, 7:51 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 19, 2:22 PM EST | Wind Chill Advisory | LWX | 32 hr |
| Jan 21, 3:04 PM EST | Winter Weather Advisory | LWX | 22 hr |
| Jan 24, 3:35 AM EST | Snow Advisory | LWX | 20 hr |
| Jan 25, 3:23 AM EST | Wind Chill Advisory | LWX | 7 hr |
| Jan 29, 3:18 PM EST | High Wind Warning | LWX | 20 hr |
| Jan 29, 3:18 PM EST | Wind Advisory | LWX | 20 hr |
| Jan 30, 2:58 PM EST | Winter Storm Watch | LWX | 24 hr |
| Jan 31, 3:03 PM EST | Winter Storm Warning | LWX | 21 hr |
| Feb 1, 7:36 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 6, 4:49 AM EST | Mesoscale Discussion | SPC | 86 min |
| Feb 6, 6:09 PM EST | Mesoscale Discussion | SPC | 66 min |
| Feb 8, 2:39 PM EST | High Wind Watch | LWX | 24 hr |
| Feb 9, 2:25 PM EST | Snow Advisory | LWX | 23 hr |
| Feb 9, 2:30 PM EST | High Wind Warning | LWX | 29 hr |
| Feb 9, 2:30 PM EST | Wind Advisory | LWX | 32 hr |
| Feb 10, 4:03 AM EST | Wind Chill Advisory | LWX | 33 hr |
| Feb 11, 8:58 PM EST | Winter Weather Advisory | LWX | 40 hr |
| Feb 19, 9:51 PM EST | Snow Advisory | LWX | 24 hr |
| Feb 20, 10:07 PM EST | Wind Chill Advisory | LWX | 9 hr |
| Feb 20, 10:07 PM EST | Winter Storm Watch | LWX | 17 hr |
| Feb 21, 2:38 PM EST | Winter Storm Warning | LWX | 22 hr |
| Feb 21, 2:38 PM EST | Winter Weather Advisory | LWX | 42 hr |
| Feb 22, 7:01 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 25, 9:20 PM EST | Winter Weather Advisory | LWX | 12 hr |
| Feb 26, 4:30 AM EST | Winter Storm Watch | LWX | 11 hr |
| Feb 26, 3:24 PM EST | Heavy Snow Warning | LWX | 36 hr |
| Feb 26, 3:30 PM EST | Wind Advisory | LWX | 12 hr |
| Feb 28, 3:20 AM EST | Wind Chill Advisory | LWX | 6 hr |
| Feb 29, 12:25 PM EST | Snow Advisory | LWX | 16 hr |
| Feb 29, 7:28 PM EST | Heavy Snow Warning | LWX | 9 hr |
| Mar 3, 3:44 PM EST | Flood Watch | LWX | 36 hr |
| Mar 4, 7:34 PM EST | Mesoscale Discussion | SPC | 56 min |
| Mar 5, 1:58 AM EST | River Flood Warning | LWX | 14 hr |
| Mar 7, 3:42 PM EST | Wind Advisory | LWX | 35 hr |
| Mar 8, 3:06 AM EST | High Wind Warning | LWX | 19 hr |
| Mar 8, 3:02 PM EST | Snow Advisory | LWX | 12 hr |
| Mar 15, 2:44 PM EDT | Snow Advisory | LWX | 13 hr |
| Mar 19, 8:46 PM EDT | Wind Advisory | LWX | 19 hr |
| Apr 20, 3:12 AM EDT | Flood Watch | LWX | 27 hr |
| Apr 26, 6:11 AM EDT | Dense Fog Advisory | LWX | 4 hr |
| May 8, 3:19 PM EDT | Flood Watch | LWX | 17 hr |
| May 8, 6:48 PM EDT | Tornado Watch | SPC | 9 hr |
| May 10, 3:49 PM EDT | Flood Watch | LWX | 46 hr |
| May 31, 10:20 AM EDT | Tornado Watch | SPC | 7 hr |
| May 31, 10:25 AM EDT | Tornado Watch | SPC | 7 hr |
| May 31, 3:07 PM EDT | Tornado Watch | SPC | 6 hr |
| Jun 4, 12:18 AM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 4, 1:14 AM EDT | Flash Flood Watch | LWX | 8 hr |
| Jun 4, 11:51 AM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 4, 12:49 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 4, 1:07 PM EDT | Severe Thunderstorm Warning | LWX | 38 min |
| Jun 4, 7:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jun 10, 2:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 10, 2:54 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 4:27 PM EDT | Severe Thunderstorm Warning | LWX | 48 min |
| Jun 13, 1:51 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Jun 16, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 16, 1:34 PM EDT | Severe Thunderstorm Warning | LWX | 71 min |
| Jun 16, 8:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 22, 12:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 22, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jun 22, 3:51 PM EDT | Severe Thunderstorm Warning | LWX | 39 min |
| Jun 22, 4:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 23, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 2:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 29, 4:37 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 29, 9:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 11:01 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 5, 4:28 PM EDT | Severe Thunderstorm Warning | LWX | 26 min |
| Jul 7, 1:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 7, 2:54 PM EDT | Severe Thunderstorm Warning | LWX | 51 min |
| Jul 20, 5:35 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Jul 20, 6:05 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Jul 21, 11:01 PM EDT | Severe Thunderstorm Warning | LWX | 59 min |
| Jul 23, 1:28 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 23, 3:25 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 2, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 2, 7:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Aug 14, 4:27 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 28, 9:15 PM EDT | Dense Fog Advisory | LWX | 11 hr |
| Sep 24, 11:47 AM EDT | High Wind Watch | LWX | 17 hr |
| Sep 30, 7:13 AM EDT | Dense Fog Advisory | LWX | 3 hr |
| Oct 28, 4:16 AM EDT | Winter Weather Advisory | LWX | 30 hr |
| Oct 28, 4:24 AM EDT | Wind Advisory | LWX | 30 hr |
| Oct 28, 5:48 PM EDT | Winter Storm Warning | LWX | 16 hr |
| Nov 13, 7:06 PM EST | Dense Fog Advisory | LWX | 15 hr |
| Nov 15, 3:37 PM EST | Wind Advisory | LWX | 19 hr |
| Nov 16, 12:43 AM EST | Winter Weather Advisory | LWX | 12 hr |
| Nov 16, 9:38 PM EST | Winter Storm Watch | LWX | 5 hr |
| Nov 17, 2:59 AM EST | Winter Storm Warning | LWX | 39 hr |
| Nov 18, 6:04 PM EST | Winter Weather Advisory | LWX | 6 hr |
| Nov 19, 3:36 PM EST | Winter Storm Watch | LWX | 20 hr |
| Nov 20, 11:34 AM EST | Winter Storm Warning | LWX | 33 hr |
| Nov 20, 11:34 AM EST | Winter Weather Advisory | LWX | 33 hr |
| Nov 24, 3:49 AM EST | Winter Storm Watch | LWX | 24 hr |
| Nov 24, 1:54 PM EST | Freezing Rain Advisory | LWX | 4 hr |
| Nov 25, 3:41 AM EST | Winter Weather Advisory | LWX | 33 hr |
| Nov 25, 5:10 PM EST | Winter Storm Warning | LWX | 20 hr |
| Nov 29, 3:47 PM EST | Winter Weather Advisory | LWX | 27 hr |
| Dec 1, 11:47 AM EST | Winter Weather Advisory | LWX | 22 hr |
| Dec 6, 10:52 AM EST | Winter Weather Advisory | LWX | 20 hr |
| Dec 7, 7:13 AM EST | Winter Storm Warning | LWX | 6 hr |
| Dec 7, 8:35 PM EST | Wind Chill Advisory | LWX | 9 hr |
| Dec 10, 3:46 PM EST | Winter Weather Advisory | LWX | 42 hr |
| Dec 15, 3:59 PM EST | Winter Storm Watch | LWX | 13 hr |
| Dec 15, 3:59 PM EST | Winter Weather Advisory | LWX | 43 hr |
| Dec 16, 4:32 AM EST | Winter Storm Warning | LWX | 30 hr |
| Dec 19, 3:09 PM EST | Wind Advisory | LWX | 7 hr |
| Dec 20, 3:17 PM EST | Winter Weather Advisory | LWX | 18 hr |
| Dec 21, 10:00 AM EST | Wind Advisory | LWX | 27 hr |
| Dec 21, 3:17 PM EST | Wind Chill Advisory | LWX | 21 hr |
| Dec 21, 3:17 PM EST | Winter Weather Advisory | LWX | 21 hr |
| Dec 21, 3:21 PM EST | Wind Advisory | LWX | 21 hr |
| Dec 23, 3:40 PM EST | Winter Weather Advisory | LWX | 18 hr |
| Dec 24, 5:08 AM EST | Wind Advisory | LWX | 6 hr |
| Dec 24, 6:49 PM EST | Wind Advisory | LWX | 9 hr |
| Dec 28, 5:56 AM EST | Wind Advisory | LWX | 9 hr |
| Dec 29, 9:14 PM EST | Wind Advisory | LWX | 9 hr |
| Dec 30, 2:54 PM EST | Winter Weather Advisory | LWX | 31 hr |
| Dec 30, 2:58 PM EST | Wind Advisory | LWX | 31 hr |
| Dec 31, 4:22 AM EST | High Wind Warning | LWX | 12 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 | 9 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 20 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Flood Watch | 4 |
| Winter | |
| Heavy Snow Warning | 2 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 7 |
| Freezing Rain Advisory | 1 |
| Snow Advisory | 7 |
| Winter Weather Advisory | 19 |
| Cold | |
| Wind Chill Advisory | 8 |
| Wind and dust | |
| High Wind Warning | 4 |
| High Wind Watch | 2 |
| Wind Advisory | 16 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.