Alert archive / West Virginia / McDowell County
Weather alerts in McDowell County, West Virginia, 2010
108 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McDowell County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 108
- Warnings
- 30
- Watches
- 26
- Advisories
- 25
- Busiest month
- June24 alerts
- Busiest day
- May 14, 20107 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
McDowell County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 11 | 27% | 7 | 100% | 25 min |
| Flash flood warnings | 6 | 2 | 67% | 8 | 88% | 157 min |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, WV: tornado warnings | 11 | 4 | 64% | 16 | 69% | 26 min |
| NWS Charleston, WV: severe thunderstorm warnings | 135 | 87 | 36% | 292 | 79% | 25 min |
| NWS Charleston, WV: flash flood warnings | 58 | 30 | 48% | 120 | 86% | 100 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 1, 4:28 AM EST | Winter Weather Advisory | RLX | 51 hr |
| Jan 4, 3:17 AM EST | Winter Weather Advisory | RLX | 51 hr |
| Jan 6, 3:47 PM EST | Winter Weather Advisory | RLX | 3 days |
| Jan 11, 4:01 AM EST | Winter Weather Advisory | RLX | 36 hr |
| Jan 23, 2:49 PM EST | Wind Advisory | RLX | 27 hr |
| Jan 23, 4:19 PM EST | Flood Watch | RLX | 44 hr |
| Jan 28, 3:56 AM EST | Winter Storm Watch | RLX | 12 hr |
| Jan 28, 3:47 PM EST | Winter Storm Warning | RLX | 51 hr |
| Jan 30, 3:56 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 2, 9:47 AM EST | Winter Weather Advisory | RLX | 3 hr |
| Feb 5, 2:50 PM EST | Wind Advisory | RLX | 7 hr |
| Feb 5, 2:58 PM EST | Winter Weather Advisory | RLX | 24 hr |
| Feb 8, 3:50 PM EST | Winter Weather Advisory | RLX | 60 hr |
| Feb 9, 3:29 AM EST | Wind Advisory | RLX | 48 hr |
| Feb 13, 3:37 PM EST | Winter Storm Watch | RLX | 23 hr |
| Feb 14, 3:05 PM EST | Winter Weather Advisory | RLX | 5 days |
| Feb 24, 2:33 PM EST | Winter Weather Advisory | RLX | 67 hr |
| Feb 28, 9:47 PM EST | Freezing Rain Advisory | RLX | 5 hr |
| Mar 12, 11:09 PM EST | Areal Flood Warning | RLX | 8 hr |
| Apr 2, 12:42 PM EDT | Fire Weather Watch | RLX | 24 hr |
| Apr 3, 7:46 AM EDT | Red Flag Warning | RLX | 12 hr |
| Apr 5, 5:31 PM EDT | Severe Thunderstorm Warning | RLX | 44 min |
| Apr 7, 9:00 AM EDT | Red Flag Warning | RLX | 10 hr |
| Apr 16, 1:04 PM EDT | Red Flag Warning | RLX | 7 hr |
| Apr 26, 3:10 PM EDT | Freeze Watch | RLX | 24 hr |
| Apr 27, 3:10 PM EDT | Freeze Warning | RLX | 18 hr |
| Apr 28, 2:51 PM EDT | Frost Advisory | RLX | 18 hr |
| Apr 30, 3:56 PM EDT | Flash Flood Watch | RLX | 61 hr |
| May 1, 9:24 PM EDT | Severe Thunderstorm Warning | RLX | 36 min |
| May 2, 2:18 PM EDT | Mesoscale Discussion | SPC | 57 min |
| May 2, 3:32 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 2, 7:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 9, 3:11 AM EDT | Frost Advisory | RLX | 30 hr |
| May 14, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 14, 3:58 PM EDT | Severe Thunderstorm Warning | RLX | 32 min |
| May 14, 4:02 PM EDT | Severe Thunderstorm Warning | RLX | 43 min |
| May 14, 4:44 PM EDT | Severe Thunderstorm Warning | RLX | 31 min |
| May 14, 5:06 PM EDT | Severe Thunderstorm Warning | RLX | 24 min |
| May 14, 5:20 PM EDT | Severe Thunderstorm Warning | RLX | 40 min |
| May 14, 5:59 PM EDT | Severe Thunderstorm Warning | RLX | 46 min |
| May 16, 4:45 AM EDT | Flash Flood Watch | RLX | 69 hr |
| May 17, 3:35 PM EDT | Severe Thunderstorm Warning | RLX | 44 min |
| May 17, 8:49 PM EDT | Flash Flood Warning | RLX | 116 min |
| May 28, 1:52 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 4:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 28, 4:38 PM EDT | Severe Thunderstorm Warning | RLX | 37 min |
| Jun 3, 8:29 PM EDT | Special Weather Statement | RLX | 106 min |
| Jun 3, 10:03 PM EDT | Special Weather Statement | RLX | 117 min |
| Jun 4, 2:42 PM EDT | Flash Flood Watch | RLX | 6 hr |
| Jun 6, 12:59 PM EDT | Special Weather Statement | RLX | 61 min |
| Jun 9, 3:50 AM EDT | Flash Flood Watch | RLX | 16 hr |
| Jun 12, 9:54 PM EDT | Flash Flood Watch | RLX | 4 days |
| Jun 12, 10:58 PM EDT | Flash Flood Warning | RLX | 5 hr |
| Jun 12, 11:34 PM EDT | Flash Flood Warning | RLX | 3 hr |
| Jun 13, 1:02 AM EDT | Special Weather Statement | RLX | 73 min |
| Jun 13, 4:00 AM EDT | Flash Flood Warning | RLX | 3 hr |
| Jun 13, 4:01 AM EDT | Flash Flood Warning | RLX | 3 hr |
| Jun 13, 2:45 PM EDT | Special Weather Statement | RLX | 90 min |
| Jun 14, 12:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 14, 1:04 PM EDT | Severe Thunderstorm Warning | RLX | 56 min |
| Jun 21, 4:43 PM EDT | Special Weather Statement | RLX | 62 min |
| Jun 21, 5:22 PM EDT | Severe Thunderstorm Warning | RLX | 68 min |
| Jun 22, 7:03 PM EDT | Special Weather Statement | RLX | 87 min |
| Jun 22, 7:34 PM EDT | Special Weather Statement | RLX | 71 min |
| Jun 23, 2:57 PM EDT | Special Weather Statement | RLX | 78 min |
| Jun 24, 11:45 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 2:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 27, 9:43 PM EDT | Flash Flood Watch | RLX | 21 hr |
| Jun 28, 1:29 PM EDT | Special Weather Statement | RLX | 31 min |
| Jun 28, 1:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 20, 10:19 AM EDT | Flash Flood Watch | RLX | 34 hr |
| Jul 25, 3:36 AM EDT | Flash Flood Watch | RLX | 19 hr |
| Jul 25, 11:29 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 25, 12:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 25, 3:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jul 27, 9:43 AM EDT | Flash Flood Watch | RLX | 12 hr |
| Jul 27, 9:59 AM EDT | Special Weather Statement | RLX | 2 hr |
| Jul 27, 10:34 AM EDT | Flash Flood Warning | RLX | 2 hr |
| Jul 28, 5:24 AM EDT | Flash Flood Watch | RLX | 16 hr |
| Aug 4, 2:18 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 7:37 PM EDT | Severe Thunderstorm Warning | RLX | 38 min |
| Aug 4, 10:15 PM EDT | Flash Flood Watch | RLX | 19 hr |
| Aug 5, 8:51 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 5, 10:38 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 5, 1:51 PM EDT | Severe Thunderstorm Warning | RLX | 84 min |
| Aug 5, 3:32 PM EDT | Severe Thunderstorm Warning | RLX | 43 min |
| Aug 5, 3:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Oct 16, 3:35 AM EDT | Frost Advisory | RLX | 29 hr |
| Oct 21, 2:56 PM EDT | Frost Advisory | RLX | 18 hr |
| Oct 22, 2:39 PM EDT | Frost Advisory | RLX | 18 hr |
| Oct 26, 3:42 AM EDT | Wind Advisory | RLX | 16 hr |
| Oct 26, 1:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Oct 26, 1:36 PM EDT | Tornado Watch | SPC | 7 hr |
| Oct 26, 5:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Oct 29, 4:41 AM EDT | Freeze Warning | RLX | 28 hr |
| Nov 16, 1:52 PM EST | Wind Advisory | RLX | 25 hr |
| Nov 16, 3:42 PM EST | Special Weather Statement | RLX | 63 min |
| Nov 16, 4:39 PM EST | Special Weather Statement | RLX | 66 min |
| Nov 29, 3:58 AM EST | Wind Advisory | RLX | 34 hr |
| Nov 29, 2:24 PM EST | Flood Watch | RLX | 37 hr |
| Dec 3, 2:07 PM EST | Winter Weather Advisory | RLX | 38 hr |
| Dec 5, 4:23 AM EST | Winter Weather Advisory | RLX | 63 hr |
| Dec 10, 4:20 PM EST | Winter Storm Watch | RLX | 24 hr |
| Dec 11, 4:05 PM EST | Winter Storm Warning | RLX | 68 hr |
| Dec 14, 3:40 PM EST | Winter Weather Advisory | RLX | 50 hr |
| Dec 15, 4:32 PM EST | Winter Storm Warning | RLX | 25 hr |
| Dec 16, 4:17 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 24, 3:51 PM EST | Winter Weather Advisory | RLX | 3 days |
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 archive20092011
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.