Alert archive / West Virginia / Flash Flood Warnings
Flash Flood Warnings in West Virginia, 2014
58 flash flood warnings in 2014. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Flash Flood Warnings
- 58
- Busiest month
- May15 flash flood warnings
- Busiest day
- June 12, 20149 flash flood warnings
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
25 of 58 flash flood warnings covering West Virginia in 2014 had a flash flood report inside them; 47 of 75 flash flood reports fell inside a warning, on average 60 minutes after it went out.
West Virginia, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Flash flood warnings | 58 | 25 | 57% | 75 | 63% | 60 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pittsburgh, PA: flash flood warnings | 15 | 10 | 33% | 31 | 87% | 51 min |
| NWS Baltimore/Washington: flash flood warnings | 49 | 23 | 53% | 95 | 80% | 88 min |
| NWS Charleston, WV: flash flood warnings | 50 | 23 | 54% | 89 | 71% | 63 min |
| NWS Blacksburg, VA: flash flood warnings | 23 | 10 | 57% | 26 | 69% | 57 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 | Counties | Lasted |
|---|---|---|---|---|
| May 13, 2:27 PM EDT | Flash Flood Warning | RLX | Pocahontas | 3 hr |
| May 13, 2:41 PM EDT | Flash Flood Warning | LWX | Grant, Pendleton | 3 hr |
| May 13, 5:45 PM EDT | Flash Flood Warning | RLX | Fayette, Nicholas | 2 hr |
| May 13, 7:36 PM EDT | Flash Flood Warning | RLX | Barbour, Braxton, Harrison, Lewis, Taylor, Upshur and 1 more | 84 min |
| May 13, 7:56 PM EDT | Flash Flood Warning | RLX | Logan, Mingo | 2 hr |
| May 14, 12:00 PM EDT | Flash Flood Warning | RLX | Barbour, Randolph | 3 hr |
| May 14, 1:20 PM EDT | Flash Flood Warning | PBZ | Preston | 3 hr |
| May 14, 1:29 PM EDT | Flash Flood Warning | RLX | Pocahontas | 3 hr |
| May 14, 3:28 PM EDT | Flash Flood Warning | LWX | Grant | 3 hr |
| May 14, 3:37 PM EDT | Flash Flood Warning | PBZ | Tucker | 3 hr |
| May 16, 2:54 AM EDT | Flash Flood Warning | LWX | Jefferson | 3 hr |
| May 28, 9:12 PM EDT | Flash Flood Warning | RLX | Doddridge, Pleasants, Ritchie | 3 hr |
| May 28, 9:28 PM EDT | Flash Flood Warning | RLX | Jackson | 4 hr |
| May 29, 5:51 PM EDT | Flash Flood Warning | PBZ | Marion, Monongalia | 3 hr |
| May 29, 7:42 PM EDT | Flash Flood Warning | RLX | Doddridge, Gilmer, Harrison, Lewis | 3 hr |
| Jun 4, 8:17 PM EDT | Flash Flood Warning | RLX | Boone, Cabell, Jackson, Kanawha, Lincoln, Mason and 2 more | 4 hr |
| Jun 5, 12:52 AM EDT | Flash Flood Warning | RNK | Greenbrier | 6 hr |
| Jun 5, 2:06 AM EDT | Flash Flood Warning | RLX | McDowell | 3 hr |
| Jun 11, 9:35 PM EDT | Flash Flood Warning | LWX | Berkeley | 3 hr |
| Jun 12, 12:07 AM EDT | Flash Flood Warning | RLX | Calhoun, Doddridge, Gilmer, Ritchie, Tyler | 3 hr |
| Jun 12, 12:47 AM EDT | Flash Flood Warning | RLX | Braxton, Doddridge, Gilmer, Harrison, Lewis | 3 hr |
| Jun 12, 1:06 AM EDT | Flash Flood Warning | PBZ | Marion, Marshall, Monongalia, Wetzel | 3 hr |
| Jun 12, 2:08 AM EDT | Flash Flood Warning | RLX | Calhoun, Doddridge, Pleasants, Ritchie, Roane, Tyler and 1 more | 3 hr |
| Jun 12, 3:03 PM EDT | Flash Flood Warning | LWX | Berkeley | 7 hr |
| Jun 12, 5:42 PM EDT | Flash Flood Warning | RNK | Mercer | 3 hr |
| Jun 12, 6:32 PM EDT | Flash Flood Warning | LWX | Mineral | 6 hr |
| Jun 12, 6:43 PM EDT | Flash Flood Warning | RLX | McDowell | 3 hr |
| Jun 12, 8:40 PM EDT | Flash Flood Warning | LWX | Mineral | 3 hr |
| Jun 20, 5:07 PM EDT | Flash Flood Warning | RLX | Doddridge, Gilmer, Lewis, Ritchie | 3 hr |
| Jun 25, 7:16 PM EDT | Flash Flood Warning | LWX | Berkeley | 3 hr |
| Jul 3, 1:03 PM EDT | Flash Flood Warning | LWX | Hardy | 6 hr |
| Jul 3, 4:04 PM EDT | Flash Flood Warning | LWX | Grant, Hardy, Pendleton | 6 hr |
| Jul 23, 10:51 PM EDT | Flash Flood Warning | RLX | Boone, Kanawha, Raleigh | 114 min |
| Jul 24, 4:42 AM EDT | Flash Flood Warning | RLX | Clay | 108 min |
| Jul 27, 9:12 PM EDT | Flash Flood Warning | RLX | Barbour, Doddridge, Harrison, Lewis | 3 hr |
| Aug 2, 6:00 PM EDT | Flash Flood Warning | RLX | Kanawha | 3 hr |
| Aug 2, 7:42 PM EDT | Flash Flood Warning | RLX | Braxton, Lewis, Upshur | 3 hr |
| Aug 9, 11:59 AM EDT | Flash Flood Warning | RLX | McDowell, Raleigh, Wyoming | 7 hr |
| Aug 9, 3:00 PM EDT | Flash Flood Warning | RNK | Mercer | 6 hr |
| Aug 21, 5:11 PM EDT | Flash Flood Warning | RLX | Logan, Mingo | 2 hr |
| Aug 22, 3:16 AM EDT | Flash Flood Warning | RLX | Pleasants, Ritchie, Wirt, Wood | 3 hr |
| Aug 22, 4:25 PM EDT | Flash Flood Warning | RLX | Lincoln, Logan, McDowell, Mingo, Wyoming | 5 hr |
| Aug 22, 6:15 PM EDT | Flash Flood Warning | RLX | Boone, Cabell, Lincoln, Wayne | 3 hr |
| Aug 22, 10:43 PM EDT | Flash Flood Warning | RLX | Mingo, Wayne | 2 hr |
| Aug 22, 11:18 PM EDT | Flash Flood Warning | RLX | Barbour, Taylor | 3 hr |
| Aug 23, 12:59 AM EDT | Flash Flood Warning | RLX | Barbour, Randolph, Upshur | 3 hr |
| Aug 23, 3:01 AM EDT | Flash Flood Warning | PBZ | Preston | 3 hr |
| Sep 2, 7:44 PM EDT | Flash Flood Warning | RLX | Boone, Logan, Mingo, Raleigh | 3 hr |
| Sep 2, 8:37 PM EDT | Flash Flood Warning | RLX | McDowell, Mingo, Wyoming | 3 hr |
| Sep 4, 5:17 PM EDT | Flash Flood Warning | RLX | Fayette, Raleigh | 3 hr |
| Sep 4, 7:25 PM EDT | Flash Flood Warning | RLX | Braxton, Calhoun, Gilmer, Roane | 3 hr |
| Sep 4, 7:31 PM EDT | Flash Flood Warning | RLX | Barbour, Upshur | 3 hr |
| Sep 6, 3:36 PM EDT | Flash Flood Warning | RLX | Braxton, Clay | 3 hr |
| Sep 6, 3:45 PM EDT | Flash Flood Warning | RLX | Kanawha | 3 hr |
| Sep 6, 4:20 PM EDT | Flash Flood Warning | RLX | Kanawha, Roane | 3 hr |
| Sep 6, 5:50 PM EDT | Flash Flood Warning | RLX | Braxton, Calhoun, Gilmer, Lewis | 3 hr |
| Sep 6, 6:31 PM EDT | Flash Flood Warning | RLX | Barbour, Harrison, Taylor | 3 hr |
| Sep 6, 7:27 PM EDT | Flash Flood Warning | RLX | Calhoun, Roane, Wirt | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Barbour County7
- Lewis County7
- Doddridge County7
- Braxton County6
- Mingo County6
- Gilmer County6
- Harrison County5
- Ritchie County5
- Kanawha County5
- McDowell County5
- Calhoun County5
- Upshur County4
- Logan County4
- Boone County4
- Roane County4
- Raleigh County4
- Grant County3
- Taylor County3
- Pleasants County3
- Lincoln County3
- Wayne County3
- Berkeley County3
- Wirt County3
- Wyoming County3
- Pocahontas County2
- Pendleton County2
- Fayette County2
- Randolph County2
- Preston County2
- Jackson County2
- Marion County2
- Monongalia County2
- Cabell County2
- Tyler County2
- Mercer County2
- Mineral County2
- Hardy County2
- Clay County2
- Nicholas County1
- Webster County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20132015
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.