Alert archive / West Virginia / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in West Virginia, 2017

190 severe thunderstorm warnings in 2017. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in 2017. Tap one for its archive.

Severe Thunderstorm Warnings
190
Busiest month
July45 severe thunderstorm warnings
Busiest day
March 1, 201731 severe thunderstorm warnings

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

142 of 190 severe thunderstorm warnings covering West Virginia in 2017 had a qualifying storm report inside them; 223 of 321 hail, wind and damage reports fell inside a warning, on average 19 minutes after it went out.

West Virginia, 2017

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Severe thunderstorm warnings19014225%32169%19 min

Each office's whole area, 2017

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Pittsburgh, PA: severe thunderstorm warnings22518617%51888%21 min
NWS Blacksburg, VA: severe thunderstorm warnings16714016%46274%19 min
NWS Charleston, WV: severe thunderstorm warnings1128128%26467%18 min
NWS Baltimore/Washington: severe thunderstorm warnings26119426%97681%19 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.

IssuedProductOfficeCountiesLasted
Jan 12, 2:14 PM ESTSevere Thunderstorm WarningPBZHancock46 min
Feb 12, 7:02 PM ESTSevere Thunderstorm WarningPBZHancock58 min
Feb 12, 8:46 PM ESTSevere Thunderstorm WarningPBZMarion, Monongalia, Preston, Tucker74 min
Feb 12, 9:00 PM ESTSevere Thunderstorm WarningLWXBerkeley, Grant, Hampshire, Hardy, Mineral, Morgan45 min
Feb 12, 9:32 PM ESTSevere Thunderstorm WarningLWXBerkeley, Hampshire, Jefferson, Mineral, Morgan43 min
Feb 12, 10:01 PM ESTSevere Thunderstorm WarningLWXBerkeley, Hampshire, Hardy, Jefferson, Morgan44 min
Feb 12, 10:38 PM ESTSevere Thunderstorm WarningLWXJefferson38 min
Feb 25, 1:04 AM ESTSevere Thunderstorm WarningRLXCabell, Mason25 min
Mar 1, 4:14 AM ESTSevere Thunderstorm WarningRLXWood31 min
Mar 1, 5:02 AM ESTSevere Thunderstorm WarningPBZMarion, Monongalia, Preston28 min
Mar 1, 5:44 AM ESTSevere Thunderstorm WarningRLXJackson, Mason, Wirt, Wood31 min
Mar 1, 6:15 AM ESTSevere Thunderstorm WarningRLXCalhoun, Gilmer, Jackson, Ritchie, Roane, Wirt30 min
Mar 1, 6:44 AM ESTSevere Thunderstorm WarningRLXJackson, Mason31 min
Mar 1, 6:46 AM ESTSevere Thunderstorm WarningRLXBarbour, Calhoun, Gilmer, Harrison, Lewis, Ritchie and 1 more29 min
Mar 1, 8:15 AM ESTSevere Thunderstorm WarningPBZBrooke, Marshall, Ohio35 min
Mar 1, 8:47 AM ESTSevere Thunderstorm WarningRLXCabell, Mason28 min
Mar 1, 9:00 AM ESTSevere Thunderstorm WarningPBZMarshall, Ohio, Wetzel45 min
Mar 1, 9:01 AM ESTSevere Thunderstorm WarningRLXCabell, Wayne44 min
Mar 1, 9:16 AM ESTSevere Thunderstorm WarningRLXCabell, Jackson, Mason, Putnam29 min
Mar 1, 9:26 AM ESTSevere Thunderstorm WarningRLXBoone, Cabell, Kanawha, Lincoln, Mingo, Putnam and 1 more49 min
Mar 1, 9:41 AM ESTSevere Thunderstorm WarningRLXClay, Jackson, Kanawha, Putnam, Roane34 min
Mar 1, 9:48 AM ESTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Lincoln, Logan, Mingo and 2 more27 min
Mar 1, 10:01 AM ESTSevere Thunderstorm WarningRLXCalhoun, Doddridge, Gilmer, Pleasants, Ritchie, Tyler and 1 more29 min
Mar 1, 10:07 AM ESTSevere Thunderstorm WarningRLXMcDowell, Mingo, Wyoming23 min
Mar 1, 10:16 AM ESTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Fayette, Kanawha, Nicholas and 2 more29 min
Mar 1, 10:17 AM ESTSevere Thunderstorm WarningPBZMarion, Marshall, Monongalia, Wetzel43 min
Mar 1, 10:18 AM ESTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Logan, Mingo, Nicholas and 2 more27 min
Mar 1, 10:25 AM ESTSevere Thunderstorm WarningRLXBraxton, Gilmer, Lewis, Randolph, Upshur, Webster35 min
Mar 1, 10:28 AM ESTSevere Thunderstorm WarningRLXMcDowell, Mingo, Wyoming32 min
Mar 1, 10:35 AM ESTSevere Thunderstorm WarningRNKGreenbrier, Summers55 min
Mar 1, 10:43 AM ESTSevere Thunderstorm WarningRNKMercer, Summers62 min
Mar 1, 10:44 AM ESTSevere Thunderstorm WarningRLXFayette, Nicholas, Pocahontas, Raleigh, Randolph, Webster and 1 more31 min
Mar 1, 10:59 AM ESTSevere Thunderstorm WarningRLXPocahontas, Randolph, Upshur31 min
Mar 1, 11:11 AM ESTSevere Thunderstorm WarningPBZMarion, Monongalia, Preston, Tucker49 min
Mar 1, 11:18 AM ESTSevere Thunderstorm WarningRNKMonroe42 min
Mar 1, 11:21 AM ESTSevere Thunderstorm WarningRNKGreenbrier39 min
Mar 1, 11:56 AM ESTSevere Thunderstorm WarningLWXGrant, Hardy, Pendleton49 min
Mar 1, 12:12 PM ESTSevere Thunderstorm WarningLWXBerkeley, Hampshire, Hardy, Jefferson, Morgan33 min
Mar 1, 12:42 PM ESTSevere Thunderstorm WarningLWXBerkeley, Jefferson, Morgan48 min
Mar 26, 4:45 PM EDTSevere Thunderstorm WarningRLXFayette, Kanawha, Nicholas30 min
Mar 27, 4:51 PM EDTSevere Thunderstorm WarningRLXFayette, Raleigh, Wyoming24 min
Mar 27, 5:14 PM EDTSevere Thunderstorm WarningRLXFayette, Raleigh31 min
Apr 11, 5:00 PM EDTSevere Thunderstorm WarningRLXMason30 min
Apr 11, 6:52 PM EDTSevere Thunderstorm WarningRLXCabell, Wayne38 min
Apr 16, 5:33 PM EDTSevere Thunderstorm WarningPBZMarshall, Ohio42 min
Apr 16, 5:47 PM EDTSevere Thunderstorm WarningPBZOhio43 min
Apr 16, 6:15 PM EDTSevere Thunderstorm WarningPBZMarshall45 min
Apr 20, 4:35 PM EDTSevere Thunderstorm WarningPBZPreston28 min
Apr 27, 7:41 PM EDTSevere Thunderstorm WarningPBZBrooke, Hancock, Ohio34 min
Apr 28, 11:55 PM EDTSevere Thunderstorm WarningRLXMason35 min
Apr 29, 12:28 AM EDTSevere Thunderstorm WarningRLXCalhoun, Jackson, Mason, Ritchie, Roane, Wirt and 1 more32 min
Apr 29, 3:10 AM EDTSevere Thunderstorm WarningRLXCabell, Wayne50 min
Apr 30, 4:05 PM EDTSevere Thunderstorm WarningLWXHampshire40 min
Apr 30, 4:43 PM EDTSevere Thunderstorm WarningLWXBerkeley, Hampshire, Morgan47 min
Apr 30, 5:09 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson51 min
May 1, 11:28 AM EDTSevere Thunderstorm WarningRLXMason32 min
May 1, 1:22 PM EDTSevere Thunderstorm WarningPBZBrooke, Hancock, Marshall, Ohio53 min
May 1, 2:11 PM EDTSevere Thunderstorm WarningPBZBrooke, Marion, Marshall, Monongalia, Ohio, Wetzel49 min
May 1, 2:44 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison, Taylor18 min
May 1, 2:54 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia66 min
May 1, 5:03 PM EDTSevere Thunderstorm WarningPBZPreston, Tucker41 min
May 1, 5:25 PM EDTSevere Thunderstorm WarningLWXMineral29 min
May 5, 5:05 PM EDTSevere Thunderstorm WarningRLXBarbour, Taylor25 min
May 5, 5:28 PM EDTSevere Thunderstorm WarningRLXBarbour, Taylor32 min
May 5, 6:51 PM EDTSevere Thunderstorm WarningPBZPreston39 min
May 18, 3:40 PM EDTSevere Thunderstorm WarningPBZBrooke, Ohio50 min
May 18, 4:07 PM EDTSevere Thunderstorm WarningPBZBrooke, Hancock38 min
May 18, 6:00 PM EDTSevere Thunderstorm WarningLWXJefferson24 min
May 18, 6:27 PM EDTSevere Thunderstorm WarningLWXJefferson63 min
May 19, 3:22 PM EDTSevere Thunderstorm WarningPBZMarion, Marshall, Monongalia, Wetzel41 min
May 19, 4:53 PM EDTSevere Thunderstorm WarningPBZPreston37 min
May 20, 3:32 PM EDTSevere Thunderstorm WarningRLXWayne28 min
May 20, 4:28 PM EDTSevere Thunderstorm WarningRNKMercer, Summers62 min
May 20, 4:37 PM EDTSevere Thunderstorm WarningRNKMonroe41 min
May 20, 5:28 PM EDTSevere Thunderstorm WarningRLXMcDowell, Mingo, Wyoming32 min
May 20, 5:42 PM EDTSevere Thunderstorm WarningRNKGreenbrier, Summers37 min
May 20, 7:02 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha28 min
May 20, 7:23 PM EDTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Lincoln, Logan, Nicholas and 1 more52 min
May 20, 8:02 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha28 min
May 27, 3:20 PM EDTSevere Thunderstorm WarningRLXDoddridge, Gilmer, Harrison, Lewis40 min
May 27, 4:46 PM EDTSevere Thunderstorm WarningRLXLewis, Upshur29 min
May 27, 5:16 PM EDTSevere Thunderstorm WarningRLXBraxton, Lewis, Upshur29 min
May 27, 6:30 PM EDTSevere Thunderstorm WarningRNKMercer60 min
May 27, 7:02 PM EDTSevere Thunderstorm WarningRLXKanawha, Roane28 min
May 30, 6:15 PM EDTSevere Thunderstorm WarningLWXJefferson22 min
May 31, 12:03 PM EDTSevere Thunderstorm WarningRLXClay, Fayette, Kanawha, Nicholas42 min
May 31, 12:40 PM EDTSevere Thunderstorm WarningRLXFayette, Nicholas31 min
May 31, 2:58 PM EDTSevere Thunderstorm WarningPBZHancock47 min
May 31, 3:44 PM EDTSevere Thunderstorm WarningRLXWayne15 min
May 31, 4:07 PM EDTSevere Thunderstorm WarningPBZBrooke, Marshall, Ohio38 min
Jun 13, 12:18 PM EDTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha27 min
Jun 13, 2:08 PM EDTSevere Thunderstorm WarningRLXCabell, Wayne37 min
Jun 13, 2:15 PM EDTSevere Thunderstorm WarningPBZMarshall31 min
Jun 13, 2:44 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia46 min
Jun 13, 3:15 PM EDTSevere Thunderstorm WarningPBZHancock45 min
Jun 14, 4:01 PM EDTSevere Thunderstorm WarningLWXHardy, Pendleton30 min
Jun 14, 4:54 PM EDTSevere Thunderstorm WarningLWXHampshire, Mineral24 min
Jun 18, 3:10 PM EDTSevere Thunderstorm WarningPBZHancock35 min
Jun 18, 4:14 PM EDTSevere Thunderstorm WarningPBZBrooke, Hancock46 min
Jun 19, 12:50 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson40 min
Jun 19, 12:59 PM EDTSevere Thunderstorm WarningLWXJefferson46 min
Jun 19, 2:07 PM EDTSevere Thunderstorm WarningLWXJefferson38 min
Jun 23, 4:46 PM EDTSevere Thunderstorm WarningPBZMarion, Marshall, Monongalia, Wetzel44 min
Jun 23, 5:29 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia, Preston61 min
Jun 23, 6:33 PM EDTSevere Thunderstorm WarningPBZPreston42 min
Jun 23, 8:56 PM EDTSevere Thunderstorm WarningPBZPreston64 min
Jun 29, 10:35 PM EDTSevere Thunderstorm WarningPBZHancock40 min
Jul 3, 6:01 PM EDTSevere Thunderstorm WarningPBZBrooke, Hancock44 min
Jul 7, 3:36 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie, Tyler, Wood39 min
Jul 7, 4:01 PM EDTSevere Thunderstorm WarningPBZPreston44 min
Jul 7, 5:47 PM EDTSevere Thunderstorm WarningRLXBarbour, Pocahontas, Randolph, Upshur28 min
Jul 7, 5:55 PM EDTSevere Thunderstorm WarningLWXGrant, Hampshire, Hardy, Mineral27 min
Jul 7, 7:47 PM EDTSevere Thunderstorm WarningRLXCabell, Mason58 min
Jul 7, 8:46 PM EDTSevere Thunderstorm WarningRLXCabell, Jackson, Mason, Putnam, Wayne44 min
Jul 10, 3:26 PM EDTSevere Thunderstorm WarningPBZHancock34 min
Jul 10, 3:44 PM EDTSevere Thunderstorm WarningPBZHancock46 min
Jul 10, 6:25 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison, Pleasants, Ritchie, Tyler28 min
Jul 10, 6:28 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie, Wood32 min
Jul 10, 6:55 PM EDTSevere Thunderstorm WarningRLXDoddridge, Pleasants, Ritchie, Wood35 min
Jul 10, 6:58 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison, Lewis, Taylor32 min
Jul 10, 7:30 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Wirt, Wood47 min
Jul 10, 7:40 PM EDTSevere Thunderstorm WarningRLXJackson, Roane, Wirt35 min
Jul 10, 7:45 PM EDTSevere Thunderstorm WarningRLXDoddridge, Gilmer, Lewis30 min
Jul 14, 2:16 PM EDTSevere Thunderstorm WarningLWXHampshire28 min
Jul 17, 3:16 PM EDTSevere Thunderstorm WarningLWXBerkeley, Hampshire, Morgan27 min
Jul 17, 6:30 PM EDTSevere Thunderstorm WarningLWXMineral17 min
Jul 17, 10:35 PM EDTSevere Thunderstorm WarningLWXHardy40 min
Jul 17, 10:59 PM EDTSevere Thunderstorm WarningLWXHardy20 min
Jul 18, 4:29 PM EDTSevere Thunderstorm WarningLWXPendleton31 min
Jul 18, 6:24 PM EDTSevere Thunderstorm WarningRNKGreenbrier, Mercer, Monroe, Summers66 min
Jul 21, 2:54 PM EDTSevere Thunderstorm WarningLWXHardy51 min
Jul 22, 12:57 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson48 min
Jul 22, 3:24 PM EDTSevere Thunderstorm WarningRLXBarbour, Randolph, Upshur51 min
Jul 22, 3:37 PM EDTSevere Thunderstorm WarningRLXRitchie38 min
Jul 22, 3:49 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison, Lewis41 min
Jul 22, 4:15 PM EDTSevere Thunderstorm WarningRLXPleasants, Wood45 min
Jul 22, 4:30 PM EDTSevere Thunderstorm WarningRLXDoddridge, Lewis, Upshur45 min
Jul 22, 4:56 PM EDTSevere Thunderstorm WarningRLXRitchie, Wood49 min
Jul 22, 5:03 PM EDTSevere Thunderstorm WarningRLXWood42 min
Jul 22, 5:18 PM EDTSevere Thunderstorm WarningRLXGilmer, Lewis42 min
Jul 22, 5:31 PM EDTSevere Thunderstorm WarningRLXPleasants, Wood44 min
Jul 22, 5:51 PM EDTSevere Thunderstorm WarningRLXDoddridge, Gilmer, Lewis, Ritchie39 min
Jul 22, 5:53 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia, Wetzel52 min
Jul 22, 5:59 PM EDTSevere Thunderstorm WarningRLXRitchie, Wirt, Wood31 min
Jul 22, 6:16 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Doddridge, Gilmer, Harrison, Lewis and 1 more44 min
Jul 22, 7:17 PM EDTSevere Thunderstorm WarningRLXPocahontas, Randolph, Upshur43 min
Jul 22, 7:28 PM EDTSevere Thunderstorm WarningRLXCalhoun, Gilmer, Ritchie47 min
Jul 22, 8:21 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun, Gilmer, Lewis39 min
Jul 22, 8:45 PM EDTSevere Thunderstorm WarningRLXRandolph, Upshur, Webster45 min
Jul 22, 9:00 PM EDTSevere Thunderstorm WarningRLXBraxton, Clay, Nicholas, Webster45 min
Jul 22, 10:59 PM EDTSevere Thunderstorm WarningRLXCabell, Lincoln, Wayne46 min
Jul 22, 11:34 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha, Lincoln, Putnam26 min
Aug 1, 3:58 PM EDTSevere Thunderstorm WarningLWXPendleton47 min
Aug 3, 4:17 PM EDTSevere Thunderstorm WarningLWXJefferson21 min
Aug 4, 1:09 PM EDTSevere Thunderstorm WarningPBZMarshall, Ohio36 min
Aug 4, 1:26 PM EDTSevere Thunderstorm WarningPBZBrooke, Hancock, Ohio49 min
Aug 4, 1:34 PM EDTSevere Thunderstorm WarningPBZMarshall, Ohio26 min
Aug 4, 2:01 PM EDTSevere Thunderstorm WarningPBZBrooke, Hancock44 min
Aug 4, 3:50 PM EDTSevere Thunderstorm WarningPBZPreston40 min
Aug 4, 5:03 PM EDTSevere Thunderstorm WarningLWXHampshire, Mineral27 min
Aug 4, 5:49 PM EDTSevere Thunderstorm WarningLWXMorgan27 min
Aug 4, 6:07 PM EDTSevere Thunderstorm WarningLWXPendleton23 min
Aug 4, 6:19 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia26 min
Aug 4, 7:17 PM EDTSevere Thunderstorm WarningLWXPendleton28 min
Aug 4, 7:44 PM EDTSevere Thunderstorm WarningLWXHardy, Pendleton46 min
Aug 4, 9:22 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson23 min
Aug 4, 9:49 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson41 min
Aug 12, 1:45 PM EDTSevere Thunderstorm WarningLWXMorgan28 min
Aug 12, 3:26 PM EDTSevere Thunderstorm WarningLWXMorgan39 min
Aug 12, 3:50 PM EDTSevere Thunderstorm WarningLWXBerkeley, Morgan40 min
Aug 19, 3:16 PM EDTSevere Thunderstorm WarningPBZHancock44 min
Aug 19, 3:57 PM EDTSevere Thunderstorm WarningPBZBrooke, Ohio48 min
Aug 19, 7:14 PM EDTSevere Thunderstorm WarningRLXPleasants, Ritchie, Wood31 min
Aug 22, 1:02 PM EDTSevere Thunderstorm WarningPBZHancock43 min
Aug 22, 3:03 PM EDTSevere Thunderstorm WarningRLXMason27 min
Aug 22, 3:44 PM EDTSevere Thunderstorm WarningPBZOhio16 min
Sep 5, 2:27 PM EDTSevere Thunderstorm WarningLWXHampshire33 min
Sep 5, 2:38 PM EDTSevere Thunderstorm WarningLWXHampshire, Morgan22 min
Sep 5, 2:43 PM EDTSevere Thunderstorm WarningLWXGrant, Hampshire, Hardy, Pendleton47 min
Sep 5, 2:49 PM EDTSevere Thunderstorm WarningLWXBerkeley, Hampshire, Morgan41 min
Sep 5, 3:20 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson40 min
Sep 5, 3:31 PM EDTSevere Thunderstorm WarningLWXBerkeley, Jefferson44 min
Sep 5, 3:51 PM EDTSevere Thunderstorm WarningLWXJefferson39 min
Sep 5, 4:16 PM EDTSevere Thunderstorm WarningLWXJefferson29 min
Sep 5, 4:46 PM EDTSevere Thunderstorm WarningLWXJefferson44 min
Oct 23, 6:42 PM EDTSevere Thunderstorm WarningRNKMonroe63 min
Oct 23, 7:28 PM EDTSevere Thunderstorm WarningRNKGreenbrier, Monroe62 min
Oct 23, 7:59 PM EDTSevere Thunderstorm WarningLWXPendleton46 min
Nov 5, 6:55 PM ESTSevere Thunderstorm WarningPBZBrooke, Hancock65 min
Nov 18, 10:32 PM ESTSevere Thunderstorm WarningRNKMercer58 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

15 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

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.