Alert archive / West Virginia / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 285

May 25, 200428 counties in Ohio; 12 counties in Pennsylvania; 35 counties in West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at May 25, 2004, 1:30 PM EDT for 28 counties in Ohio; 12 counties in Pennsylvania; 35 counties in West Virginia. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 25, 2004, 1:30 PM EDT (17:30 UTC)
Expired
May 25, 2004, 8:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
All 75 counties

Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Cuyahoga County, OH, Gallia County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Holmes County, OH, Jefferson County, OH, Lawrence County, OH, Mahoning County, OH, Medina County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Portage County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Fayette County, PA, Greene County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Pocahontas County, WV, Preston County, WV, Putnam County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 139 km from the middle of the area, began a volume at 17:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Warnings issued inside it

18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 25, 2:34 PM EDTSevere Thunderstorm WarningRLXLincoln26 min
May 25, 2:37 PM EDTSevere Thunderstorm WarningRLXPutnam23 min
May 25, 2:42 PM EDTSevere Thunderstorm WarningRLXWayne33 min
May 25, 2:49 PM EDTSevere Thunderstorm WarningPBZAllegheny26 min
May 25, 2:58 PM EDTSevere Thunderstorm WarningRLXKanawha32 min
May 25, 3:05 PM EDTSevere Thunderstorm WarningPBZMonroe25 min
May 25, 3:19 PM EDTSevere Thunderstorm WarningPBZArmstrong, Westmoreland41 min
May 25, 4:03 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia57 min
May 25, 4:12 PM EDTSevere Thunderstorm WarningPBZPreston63 min
May 25, 4:14 PM EDTSevere Thunderstorm WarningRLXDoddridge31 min
May 25, 4:27 PM EDTSevere Thunderstorm WarningRLXHarrison33 min
May 25, 4:31 PM EDTSevere Thunderstorm WarningPBZIndiana, Westmoreland59 min
May 25, 4:56 PM EDTSevere Thunderstorm WarningRLXRandolph34 min
May 25, 5:27 PM EDTSevere Thunderstorm WarningPBZMercer63 min
May 25, 5:32 PM EDTSevere Thunderstorm WarningPBZVenango58 min
May 25, 5:37 PM EDTTornado WarningPBZVenango53 min
May 25, 5:52 PM EDTSevere Thunderstorm WarningRLXLincoln23 min
May 25, 7:55 PM EDTSevere Thunderstorm WarningPBZClarion, Venango65 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.5 hours before the alert went out and 141 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2004-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2004-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1145 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 4:00 AM EDTSevere Thunderstorm WatchSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 14 more3 hr
May 25, 5:23 AM EDTMesoscale DiscussionSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 14 more97 min
May 25, 12:54 PM EDTMesoscale DiscussionSPCAshland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 42 more96 min
May 25, 3:57 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 21 more63 min
May 25, 5:02 PM EDTMesoscale DiscussionSPCAdams, Brown, Clermont, Clinton, Hamilton, Highland and 8 more58 min
May 25, 5:30 PM EDTSevere Thunderstorm WatchSPCAdams, Brown, Clermont, Scioto6 hr
May 25, 2:58 PM EDTMesoscale DiscussionSPCBedford, Blair, Cambria, Fayette, Franklin, Fulton and 4 more92 min
May 25, 3:20 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Blair, Cambria, Cumberland and 11 more6 hr
May 25, 6:09 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bucks, Cambria and 15 more2 hr

Nearby

Severe Thunderstorm Watches in West Virginia, 2004Severe Thunderstorm Watches in Ohio, 2004Severe Thunderstorm Watches in Pennsylvania, 2004Every severe thunderstorm watch in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.