Alert archive / West Virginia / Flash Flood Warnings
Flash Flood Warnings in West Virginia, 2022
110 flash flood warnings in 2022. 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 2022. Tap one for its archive.
- Flash Flood Warnings
- 110
- Busiest month
- August47 flash flood warnings
- Busiest day
- August 10, 202210 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.
69 of 110 flash flood warnings covering West Virginia in 2022 had a flash flood report inside them; 181 of 214 flash flood reports fell inside a warning, on average 84 minutes after it went out.
West Virginia, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Flash flood warnings | 110 | 69 | 37% | 214 | 85% | 84 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, WV: flash flood warnings | 111 | 72 | 35% | 243 | 80% | 84 min |
| NWS Pittsburgh, PA: flash flood warnings | 29 | 20 | 31% | 45 | 98% | 40 min |
| NWS Blacksburg, VA: flash flood warnings | 25 | 9 | 64% | 21 | 81% | 74 min |
| NWS Baltimore/Washington: flash flood warnings | 77 | 34 | 56% | 84 | 88% | 90 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 |
|---|---|---|---|---|
| Jan 1, 6:37 AM EST | Flash Flood Warning | RLX | Boone, Logan, McDowell, Mingo, Raleigh, Wyoming | 7 hr |
| Jan 1, 9:34 AM EST | Flash Flood Warning | RLX | McDowell, Raleigh, Wyoming | 3 hr |
| May 6, 9:30 AM EDT | Flash Flood Warning | RLX | Cabell, Mason, Putnam, Wayne | 6 hr |
| May 6, 10:33 AM EDT | Flash Flood Warning | RLX | Jackson, Kanawha, Putnam, Roane | 5 hr |
| May 6, 11:05 AM EDT | Flash Flood Warning | RLX | Cabell, Kanawha, Lincoln, Putnam, Roane | 5 hr |
| May 6, 11:52 AM EDT | Flash Flood Warning | RLX | Braxton, Calhoun, Clay, Gilmer, Roane | 5 hr |
| May 6, 12:42 PM EDT | Flash Flood Warning | RLX | Boone, Cabell, Kanawha, Lincoln, Logan, Mingo and 1 more | 4 hr |
| May 6, 2:28 PM EDT | Flash Flood Warning | RLX | Calhoun, Gilmer, Jackson, Mason, Putnam, Roane and 1 more | 4 hr |
| May 14, 6:36 PM EDT | Flash Flood Warning | RLX | Kanawha | 3 hr |
| May 27, 12:50 PM EDT | Flash Flood Warning | RLX | Boone, Logan, McDowell, Wyoming | 115 min |
| May 27, 12:54 PM EDT | Flash Flood Warning | RLX | Clay, Fayette, Kanawha | 111 min |
| Jun 8, 10:54 PM EDT | Flash Flood Warning | RLX | Braxton, Calhoun, Clay, Kanawha, Nicholas, Roane | 4 hr |
| Jun 13, 8:58 PM EDT | Flash Flood Warning | RLX | Cabell | 2 hr |
| Jun 14, 10:09 AM EDT | Flash Flood Warning | PBZ | Marion, Marshall, Wetzel | 104 min |
| Jun 14, 10:38 AM EDT | Flash Flood Warning | RLX | Barbour, Doddridge, Harrison, Lewis, Taylor | 3 hr |
| Jun 14, 12:47 PM EDT | Flash Flood Warning | RLX | Randolph, Upshur | 3 hr |
| Jun 16, 8:59 PM EDT | Flash Flood Warning | RLX | Gilmer, Lewis, Upshur | 6 hr |
| Jun 16, 10:36 PM EDT | Flash Flood Warning | RLX | Pleasants | 6 hr |
| Jun 17, 3:35 PM EDT | Flash Flood Warning | RLX | Clay, Fayette, Nicholas | 4 hr |
| Jun 17, 3:40 PM EDT | Flash Flood Warning | RLX | Jackson, Kanawha, Putnam, Roane | 3 hr |
| Jun 17, 4:15 PM EDT | Flash Flood Warning | RLX | Nicholas | 3 hr |
| Jun 22, 8:45 PM EDT | Flash Flood Warning | RLX | Barbour, Harrison | 9 hr |
| Jun 22, 9:03 PM EDT | Flash Flood Warning | RLX | Fayette, Nicholas | 9 hr |
| Jun 22, 9:13 PM EDT | Flash Flood Warning | PBZ | Preston, Tucker | 3 hr |
| Jun 22, 9:47 PM EDT | Flash Flood Warning | RLX | Barbour | 5 hr |
| Jun 26, 10:08 AM EDT | Flash Flood Warning | RLX | Raleigh, Wyoming | 6 hr |
| Jul 2, 6:50 PM EDT | Flash Flood Warning | LWX | Jefferson | 113 min |
| Jul 5, 1:33 PM EDT | Flash Flood Warning | RLX | Boone, Lincoln | 3 hr |
| Jul 5, 1:50 PM EDT | Flash Flood Warning | RLX | Lincoln | 3 hr |
| Jul 5, 1:58 PM EDT | Flash Flood Warning | RLX | Boone, Kanawha, Lincoln, Logan, Raleigh, Wayne | 3 hr |
| Jul 5, 2:51 PM EDT | Flash Flood Warning | RLX | Lincoln, Logan, Mingo, Wayne | 3 hr |
| Jul 6, 6:34 PM EDT | Flash Flood Warning | RLX | Fayette, Kanawha | 3 hr |
| Jul 8, 5:10 PM EDT | Flash Flood Warning | RLX | Cabell, Kanawha, Mason, Putnam | 3 hr |
| Jul 9, 2:32 AM EDT | Flash Flood Warning | LWX | Berkeley, Jefferson | 88 min |
| Jul 12, 3:59 PM EDT | Flash Flood Warning | RLX | Cabell, Mason, Putnam | 3 hr |
| Jul 12, 4:24 PM EDT | Flash Flood Warning | RLX | Kanawha, Lincoln, Putnam | 3 hr |
| Jul 12, 6:47 PM EDT | Flash Flood Warning | RLX | Fayette, Raleigh | 3 hr |
| Jul 12, 8:33 PM EDT | Flash Flood Warning | RLX | McDowell, Mingo, Wyoming | 4 hr |
| Jul 12, 8:34 PM EDT | Flash Flood Warning | RNK | Mercer | 6 hr |
| Jul 17, 3:31 AM EDT | Flash Flood Warning | PBZ | Brooke, Hancock | 2 hr |
| Jul 17, 7:11 PM EDT | Flash Flood Warning | RLX | Cabell, Lincoln, Putnam | 3 hr |
| Jul 18, 8:55 AM EDT | Flash Flood Warning | RLX | Cabell, Kanawha, Lincoln, Mason, Putnam, Wayne | 3 hr |
| Jul 18, 9:48 AM EDT | Flash Flood Warning | RLX | Wayne | 3 hr |
| Jul 18, 5:11 PM EDT | Flash Flood Warning | RLX | Cabell, Wayne | 113 min |
| Jul 23, 4:53 PM EDT | Flash Flood Warning | RLX | Pocahontas | 3 hr |
| Jul 26, 10:10 AM EDT | Flash Flood Warning | RLX | McDowell, Mingo, Wyoming | 7 hr |
| Jul 27, 3:06 AM EDT | Flash Flood Warning | RLX | Boone, Fayette, Kanawha, Raleigh | 5 hr |
| Jul 27, 3:38 AM EDT | Flash Flood Warning | RLX | Fayette | 4 hr |
| Jul 27, 3:53 AM EDT | Flash Flood Warning | RNK | Greenbrier | 5 hr |
| Jul 27, 5:49 AM EDT | Flash Flood Warning | RLX | Clay, Fayette, Kanawha, Nicholas | 5 hr |
| Jul 27, 6:55 AM EDT | Flash Flood Warning | RLX | McDowell | 5 hr |
| Jul 27, 10:56 AM EDT | Flash Flood Warning | RLX | Logan, Mingo | 4 hr |
| Jul 27, 12:54 PM EDT | Flash Flood Warning | RNK | Greenbrier | 3 hr |
| Jul 27, 4:01 PM EDT | Flash Flood Warning | RNK | Mercer, Summers | 4 hr |
| Jul 27, 4:25 PM EDT | Flash Flood Warning | RLX | Logan, McDowell, Mingo, Wyoming | 2 hr |
| Jul 27, 11:32 PM EDT | Flash Flood Warning | RLX | Braxton, Lewis, Randolph, Upshur | 5 hr |
| Jul 28, 12:35 AM EDT | Flash Flood Warning | RLX | McDowell | 6 hr |
| Jul 28, 2:41 AM EDT | Flash Flood Warning | RLX | McDowell | 3 hr |
| Jul 29, 1:33 AM EDT | Flash Flood Warning | RLX | Boone, Lincoln, Logan, Mingo, Wayne | 4 hr |
| Jul 31, 11:07 AM EDT | Flash Flood Warning | RLX | Cabell, Wayne | 4 hr |
| Jul 31, 1:53 PM EDT | Flash Flood Warning | RLX | Clay, Nicholas | 4 hr |
| Aug 1, 7:03 AM EDT | Flash Flood Warning | RLX | McDowell, Wyoming | 3 hr |
| Aug 1, 9:31 AM EDT | Flash Flood Warning | RLX | Logan, Mingo, Wyoming | 5 hr |
| Aug 2, 3:51 AM EDT | Flash Flood Warning | RLX | Braxton, Calhoun, Gilmer, Webster | 6 hr |
| Aug 4, 2:02 PM EDT | Flash Flood Warning | RLX | Pocahontas, Randolph, Webster | 4 hr |
| Aug 4, 2:58 PM EDT | Flash Flood Warning | RLX | Randolph, Upshur, Webster | 4 hr |
| Aug 4, 3:30 PM EDT | Flash Flood Warning | LWX | Grant, Hardy, Pendleton | 87 min |
| Aug 4, 7:39 PM EDT | Flash Flood Warning | RLX | Webster | 2 hr |
| Aug 5, 12:37 PM EDT | Flash Flood Warning | RLX | Randolph | 3 hr |
| Aug 5, 1:05 PM EDT | Flash Flood Warning | RLX | Randolph | 3 hr |
| Aug 5, 3:18 PM EDT | Flash Flood Warning | RLX | Doddridge, Gilmer | 106 min |
| Aug 5, 3:40 PM EDT | Flash Flood Warning | RLX | Gilmer, Lewis | 84 min |
| Aug 5, 3:45 PM EDT | Flash Flood Warning | RLX | Gilmer, Lewis | 80 min |
| Aug 5, 4:08 PM EDT | Flash Flood Warning | RLX | Braxton, Lewis, Randolph, Upshur, Webster | 4 hr |
| Aug 5, 5:54 PM EDT | Flash Flood Warning | RLX | Calhoun, Roane | 3 hr |
| Aug 6, 4:31 PM EDT | Flash Flood Warning | RLX | Pocahontas, Webster | 3 hr |
| Aug 7, 2:51 PM EDT | Flash Flood Warning | PBZ | Marshall, Ohio | 3 hr |
| Aug 10, 4:11 PM EDT | Flash Flood Warning | RLX | Lincoln, Logan | 3 hr |
| Aug 10, 4:54 PM EDT | Flash Flood Warning | RLX | Braxton, Gilmer | 3 hr |
| Aug 10, 5:06 PM EDT | Flash Flood Warning | RLX | Kanawha, Putnam, Roane | 3 hr |
| Aug 10, 5:37 PM EDT | Flash Flood Warning | RLX | Cabell, Wayne | 3 hr |
| Aug 10, 6:15 PM EDT | Flash Flood Warning | RLX | Cabell | 3 hr |
| Aug 10, 6:19 PM EDT | Flash Flood Warning | RLX | Calhoun, Roane | 3 hr |
| Aug 10, 6:43 PM EDT | Flash Flood Warning | RLX | Cabell, Mason, Putnam | 3 hr |
| Aug 10, 6:51 PM EDT | Flash Flood Warning | LWX | Hampshire, Mineral | 3 hr |
| Aug 10, 6:59 PM EDT | Flash Flood Warning | RLX | Doddridge, Harrison, Ritchie, Tyler | 3 hr |
| Aug 10, 7:32 PM EDT | Flash Flood Warning | RLX | Jackson, Mason, Roane | 3 hr |
| Aug 10, 8:08 PM EDT | Flash Flood Warning | LWX | Mineral | 2 hr |
| Aug 10, 8:38 PM EDT | Flash Flood Warning | RLX | Calhoun, Ritchie, Wirt | 3 hr |
| Aug 10, 8:56 PM EDT | Flash Flood Warning | RLX | Doddridge, Ritchie | 3 hr |
| Aug 11, 6:37 AM EDT | Flash Flood Warning | RLX | Clay, Nicholas, Pocahontas, Webster | 4 hr |
| Aug 11, 7:56 PM EDT | Flash Flood Warning | RLX | Barbour, Doddridge, Harrison, Taylor | 3 hr |
| Aug 15, 2:56 AM EDT | Flash Flood Warning | RLX | Kanawha, Putnam | 7 hr |
| Aug 15, 3:59 AM EDT | Flash Flood Warning | RLX | Fayette, Nicholas | 3 hr |
| Aug 15, 5:03 AM EDT | Flash Flood Warning | RLX | Fayette | 5 hr |
| Aug 15, 6:39 AM EDT | Flash Flood Warning | RNK | Greenbrier | 4 hr |
| Aug 16, 5:12 PM EDT | Flash Flood Warning | RLX | Fayette | 95 min |
| Aug 19, 3:28 PM EDT | Flash Flood Warning | RLX | McDowell | 3 hr |
| Aug 19, 4:19 PM EDT | Flash Flood Warning | RLX | McDowell | 3 hr |
| Aug 21, 12:18 AM EDT | Flash Flood Warning | RLX | Doddridge, Harrison, Lewis | 3 hr |
| Aug 21, 8:58 AM EDT | Flash Flood Warning | RLX | Boone, Lincoln, Logan | 6 hr |
| Aug 21, 4:51 PM EDT | Flash Flood Warning | RLX | Pleasants, Tyler | 2 hr |
| Aug 21, 9:09 PM EDT | Flash Flood Warning | RLX | Doddridge, Harrison | 3 hr |
| Aug 21, 9:43 PM EDT | Flash Flood Warning | RLX | Harrison, Taylor | 3 hr |
| Aug 21, 10:32 PM EDT | Flash Flood Warning | RLX | Barbour, Harrison, Taylor | 3 hr |
| Aug 21, 11:47 PM EDT | Flash Flood Warning | RLX | Jackson, Roane, Wirt | 3 hr |
| Aug 22, 4:02 AM EDT | Flash Flood Warning | RLX | Braxton, Clay, Nicholas | 3 hr |
| Aug 29, 5:27 PM EDT | Flash Flood Warning | PBZ | Marshall, Ohio | 2 hr |
| Sep 7, 11:46 AM EDT | Flash Flood Warning | LWX | Berkeley, Morgan | 3 hr |
| Sep 25, 12:22 PM EDT | Flash Flood Warning | RLX | Boone, Fayette, Kanawha, Raleigh | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kanawha County17
- Cabell County13
- Putnam County13
- McDowell County12
- Lincoln County12
- Fayette County12
- Logan County11
- Roane County11
- Wayne County10
- Boone County9
- Mingo County9
- Wyoming County9
- Nicholas County9
- Clay County8
- Gilmer County8
- Harrison County8
- Raleigh County7
- Mason County7
- Braxton County7
- Calhoun County7
- Doddridge County7
- Lewis County7
- Randolph County7
- Webster County7
- Jackson County5
- Barbour County5
- Upshur County5
- Taylor County4
- Pocahontas County4
- Wirt County3
- Marshall County3
- Greenbrier County3
- Ritchie County3
- Pleasants County2
- Jefferson County2
- Berkeley County2
- Mercer County2
- Ohio County2
- Mineral County2
- Tyler County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.