Alert archive / Virginia / Buchanan County
Weather alerts in Buchanan County, Virginia, 2011
139 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Buchanan County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 139
- Warnings
- 24
- Watches
- 27
- Advisories
- 14
- Busiest month
- April40 alerts
- Busiest day
- April 9, 201111 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Buchanan County in 2011 had a tornado report inside them.
Buchanan County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 18 | 14 | 22% | 10 | 100% | 17 min |
| Flash flood warnings | 3 | 0 | 100% | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, WV: tornado warnings | 10 | 1 | 90% | 1 | 100% | 24 min |
| NWS Charleston, WV: severe thunderstorm warnings | 268 | 171 | 36% | 440 | 82% | 24 min |
| NWS Charleston, WV: flash flood warnings | 52 | 24 | 54% | 53 | 91% | 62 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, 4:00 AM EST | Winter Weather Advisory | RLX | 3 days |
| Jan 10, 3:54 AM EST | Winter Weather Advisory | RLX | 3 days |
| Jan 11, 4:00 AM EST | Winter Weather Advisory | RLX | 53 hr |
| Jan 19, 5:16 AM EST | Winter Weather Advisory | RLX | 57 hr |
| Jan 25, 3:35 AM EST | Winter Storm Watch | RLX | 12 hr |
| Jan 25, 3:28 PM EST | Winter Storm Warning | RLX | 30 hr |
| Jan 27, 1:57 PM EST | Winter Weather Advisory | RLX | 22 hr |
| Feb 1, 3:47 PM EST | Wind Advisory | RLX | 27 hr |
| Feb 9, 3:19 AM EST | Winter Weather Advisory | RLX | 25 hr |
| Feb 21, 10:06 PM EST | Special Weather Statement | RLX | 24 min |
| Feb 24, 4:48 PM EST | Wind Advisory | RLX | 23 hr |
| Feb 25, 1:48 AM EST | Mesoscale Discussion | SPC | 27 min |
| Feb 25, 2:14 AM EST | Special Weather Statement | RLX | 61 min |
| Feb 27, 2:34 AM EST | Flood Watch | RLX | 43 hr |
| Feb 28, 5:47 AM EST | Tornado Watch | SPC | 5 hr |
| Feb 28, 9:20 AM EST | Severe Thunderstorm Warning | RLX | 55 min |
| Feb 28, 9:25 AM EST | Special Weather Statement | RLX | 35 min |
| Feb 28, 9:37 AM EST | Severe Thunderstorm Warning | RLX | 53 min |
| Feb 28, 1:46 PM EST | Special Weather Statement | RLX | 3 hr |
| Mar 4, 3:00 PM EST | Flood Watch | RLX | 48 hr |
| Mar 7, 4:01 PM EST | Flood Watch | RLX | 3 days |
| Mar 23, 12:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Mar 23, 1:13 PM EDT | Tornado Watch | SPC | 7 hr |
| Mar 23, 3:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Mar 23, 6:57 PM EDT | Severe Thunderstorm Warning | RLX | 78 min |
| Apr 3, 2:55 PM EDT | Wind Advisory | RLX | 35 hr |
| Apr 4, 3:05 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 4, 4:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 4, 6:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Apr 8, 2:53 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 8, 4:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 8, 5:57 PM EDT | Severe Thunderstorm Warning | RLX | 48 min |
| Apr 8, 7:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Apr 8, 10:52 PM EDT | Special Weather Statement | RLX | 53 min |
| Apr 8, 11:07 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 9, 12:03 AM EDT | Severe Thunderstorm Warning | RLX | 42 min |
| Apr 9, 12:34 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 9, 1:57 PM EDT | Special Weather Statement | RLX | 63 min |
| Apr 9, 2:00 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 9, 2:18 PM EDT | Severe Thunderstorm Warning | RLX | 57 min |
| Apr 9, 2:43 PM EDT | Severe Thunderstorm Warning | RLX | 62 min |
| Apr 9, 3:40 PM EDT | Severe Thunderstorm Warning | RLX | 65 min |
| Apr 9, 3:54 PM EDT | Special Weather Statement | RLX | 66 min |
| Apr 9, 4:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 11, 12:24 PM EDT | Mesoscale Discussion | SPC | 36 min |
| Apr 11, 12:47 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 11, 3:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 15, 3:14 AM EDT | Wind Advisory | RLX | 36 hr |
| Apr 20, 1:59 AM EDT | Tornado Watch | SPC | 5 hr |
| Apr 20, 3:20 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 20, 5:25 AM EDT | Special Weather Statement | RLX | 50 min |
| Apr 25, 3:33 PM EDT | Severe Thunderstorm Warning | RLX | 27 min |
| Apr 25, 3:43 PM EDT | Severe Thunderstorm Warning | RLX | 47 min |
| Apr 25, 4:36 PM EDT | Severe Thunderstorm Warning | RLX | 54 min |
| Apr 26, 1:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 26, 2:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 27, 3:40 AM EDT | Flash Flood Watch | RLX | 28 hr |
| Apr 27, 3:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 27, 5:38 PM EDT | Mesoscale Discussion | SPC | 37 min |
| Apr 27, 5:44 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 27, 8:31 PM EDT | Tornado Warning | RLX | 44 min |
| Apr 27, 9:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Apr 27, 9:47 PM EDT | Special Weather Statement | RLX | 88 min |
| Apr 28, 12:14 AM EDT | Special Weather Statement | RLX | 3 hr |
| Apr 28, 12:34 AM EDT | Mesoscale Discussion | SPC | 26 min |
| May 4, 3:18 PM EDT | Frost Advisory | RLX | 18 hr |
| May 10, 11:21 AM EDT | Mesoscale Discussion | SPC | 114 min |
| May 10, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 10, 6:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 10, 6:47 PM EDT | Special Weather Statement | RLX | 28 min |
| May 10, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 10, 9:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| May 10, 9:12 PM EDT | Severe Thunderstorm Warning | RLX | 48 min |
| May 10, 11:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 11, 2:37 AM EDT | Mesoscale Discussion | SPC | 23 min |
| May 11, 10:07 AM EDT | Flash Flood Watch | RLX | 7 hr |
| May 12, 4:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 3:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 13, 4:42 PM EDT | Special Weather Statement | RLX | 93 min |
| May 22, 4:40 PM EDT | Severe Thunderstorm Warning | RLX | 65 min |
| May 22, 4:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 22, 5:40 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 22, 7:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 8:20 AM EDT | Special Weather Statement | RLX | 25 min |
| May 24, 8:34 AM EDT | Mesoscale Discussion | SPC | 116 min |
| May 24, 9:00 AM EDT | Special Weather Statement | RLX | 30 min |
| May 24, 9:28 AM EDT | Special Weather Statement | RLX | 32 min |
| May 24, 9:40 AM EDT | Severe Thunderstorm Warning | RLX | 50 min |
| May 24, 1:54 PM EDT | Flash Flood Watch | RLX | 6 hr |
| May 24, 1:57 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 24, 3:15 PM EDT | Special Weather Statement | RLX | 75 min |
| May 24, 4:25 PM EDT | Flash Flood Warning | RLX | 3 hr |
| May 24, 4:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 26, 1:15 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 26, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 11 hr |
| May 26, 4:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 26, 6:09 PM EDT | Severe Thunderstorm Warning | RLX | 66 min |
| Jun 1, 4:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 7, 2:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 7, 6:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 9, 12:53 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 1:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 9, 4:32 PM EDT | Special Weather Statement | RLX | 58 min |
| Jun 9, 4:53 PM EDT | Flash Flood Warning | RLX | 3 hr |
| Jun 9, 4:55 PM EDT | Flash Flood Watch | RLX | 3 hr |
| Jun 11, 1:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 11, 6:09 PM EDT | Special Weather Statement | RLX | 96 min |
| Jun 11, 6:29 PM EDT | Severe Thunderstorm Warning | RLX | 61 min |
| Jun 20, 12:24 PM EDT | Special Weather Statement | RLX | 2 hr |
| Jun 20, 12:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 21, 10:09 PM EDT | Special Weather Statement | RLX | 36 min |
| Jun 21, 10:50 PM EDT | Special Weather Statement | RLX | 40 min |
| Jun 22, 8:59 PM EDT | Special Weather Statement | RLX | 76 min |
| Jun 24, 12:34 AM EDT | Special Weather Statement | RLX | 41 min |
| Jun 27, 4:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 28, 3:49 PM EDT | Flash Flood Warning | RLX | 3 hr |
| Jul 4, 12:08 PM EDT | Special Weather Statement | RLX | 37 min |
| Jul 4, 12:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 4, 1:23 PM EDT | Severe Thunderstorm Warning | RLX | 67 min |
| Jul 6, 1:35 PM EDT | Severe Thunderstorm Warning | RLX | 25 min |
| Jul 11, 5:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 11, 7:46 PM EDT | Special Weather Statement | RLX | 59 min |
| Jul 12, 1:37 AM EDT | Special Weather Statement | RLX | 53 min |
| Jul 21, 2:47 PM EDT | Heat Advisory | RLX | 29 hr |
| Jul 22, 3:52 PM EDT | Special Weather Statement | RLX | 23 min |
| Jul 22, 4:11 PM EDT | Special Weather Statement | RLX | 34 min |
| Jul 22, 5:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 25, 1:10 PM EDT | Special Weather Statement | RLX | 65 min |
| Aug 3, 10:01 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 13, 11:06 PM EDT | Special Weather Statement | RLX | 39 min |
| Aug 14, 1:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 14, 2:14 PM EDT | Special Weather Statement | RLX | 61 min |
| Sep 3, 3:54 PM EDT | Special Weather Statement | RLX | 36 min |
| Sep 4, 3:15 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 5, 5:08 AM EDT | Flash Flood Watch | RLX | 47 hr |
| Sep 26, 2:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Oct 21, 4:00 AM EDT | Frost Advisory | RLX | 29 hr |
| Oct 22, 4:22 AM EDT | Frost Advisory | RLX | 29 hr |
| Oct 29, 2:26 PM EDT | Freeze Warning | RLX | 19 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 | 18 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 42 |
| Special Weather Statement | 32 |
| Flooding | |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 5 |
| Flood Watch | 3 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.