Alert archive / West Virginia / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 372

June 1, 20045 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 1, 2004, 5:15 PM EDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 1, 2004, 5:15 PM EDT (21:15 UTC)
Expired
Jun 1, 2004, 10:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 62 counties

Pike County, KY, Allegany County, MD, Garrett County, MD, Bedford County, PA, Blair County, PA, Cambria County, PA, Fayette County, PA, Fulton County, PA, Greene County, PA, Huntingdon County, PA, Indiana County, PA, Juniata County, PA, Mifflin County, PA, Somerset County, PA, Westmoreland County, PA, Alleghany County, VA, Bath County, VA, Buchanan County, VA, City of Covington, VA, Craig County, VA, Giles County, VA, Highland County, VA, Montgomery County, VA, Barbour County, WV, Boone County, WV, Braxton County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Grant County, WV, Greenbrier County, WV, Hampshire County, WV, Hardy County, WV, Harrison County, WV, Kanawha County, WV, Lewis County, WV, Logan County, WV, Marion County, WV, McDowell County, WV, Mercer County, WV, Mineral County, WV, Mingo County, WV, Monongalia County, WV, Monroe County, WV, Morgan County, WV, Nicholas County, WV, Pendleton County, WV, Pocahontas County, WV, Preston County, WV, Raleigh County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Summers County, WV, Taylor County, WV, Tucker County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 106 km from the middle of the area, began a volume at 21:18 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

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

IssuedProductOfficeCountiesLasted
Jun 1, 5:25 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha, Roane50 min
Jun 1, 5:38 PM EDTSevere Thunderstorm WarningCTPJuniata, Mifflin52 min
Jun 1, 5:46 PM EDTSevere Thunderstorm WarningRLXCalhoun, Clay44 min
Jun 1, 5:58 PM EDTSevere Thunderstorm WarningRLXFayette, Nicholas47 min
Jun 1, 6:07 PM EDTSevere Thunderstorm WarningJKLPike53 min
Jun 1, 6:09 PM EDTSevere Thunderstorm WarningRNKGreenbrier66 min
Jun 1, 6:13 PM EDTSevere Thunderstorm WarningRLXRaleigh47 min
Jun 1, 6:17 PM EDTSevere Thunderstorm WarningRLXBraxton, Gilmer28 min
Jun 1, 6:25 PM EDTSevere Thunderstorm WarningRLXLewis, Upshur, Webster50 min
Jun 1, 6:27 PM EDTSevere Thunderstorm WarningRLXMingo33 min
Jun 1, 6:43 PM EDTSevere Thunderstorm WarningRLXBuchanan47 min
Jun 1, 6:48 PM EDTSevere Thunderstorm WarningRLXPocahontas, Randolph42 min
Jun 1, 7:10 PM EDTSevere Thunderstorm WarningLWXHighland65 min
Jun 1, 7:34 PM EDTSevere Thunderstorm WarningRNKMercer41 min
Jun 1, 8:19 PM EDTSevere Thunderstorm WarningRNKGiles, Pulaski, Wythe41 min
Jun 1, 8:27 PM EDTSevere Thunderstorm WarningRNKMontgomery, City of Radford48 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

Roanoke, VA (KRNK), launched 12:00Z, 9.3 hours before the alert went out and 180 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, Roanoke, VA at 12:00Z on 2004-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 joules per kilogram.LCLLFCEL10008507005003002001001 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, Roanoke, VA at 12:00Z on 2004-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939587897117Sfc1 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
27 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
-4 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
Jun 1, 2:30 PM EDTMesoscale DiscussionSPCAnderson, Ballard, Bath, Boone, Bourbon, Boyd and 70 more60 min
Jun 1, 3:30 PM EDTSevere Thunderstorm WatchSPCBallard, Breckinridge, Caldwell, Carlisle, Christian, Crittenden and 16 more8 hr
Jun 1, 3:55 PM EDTSevere Thunderstorm WatchSPCAdair, Allen, Anderson, Barren, Bath, Bell and 90 more7 hr
Jun 1, 4:56 PM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bath, Bell and 89 more34 min
Jun 1, 7:24 PM EDTMesoscale DiscussionSPCPike66 min
Jun 1, 11:11 AM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more64 min
Jun 1, 11:45 AM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more6 hr
Jun 1, 4:22 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more53 min
Jun 1, 12:25 PM EDTSevere Thunderstorm WatchSPCAdams, Bedford, Berks, Blair, Bradford, Bucks and 37 more6 hr

Nearby

Severe Thunderstorm Watches in West Virginia, 2004Severe Thunderstorm Watches in Pennsylvania, 2004Severe Thunderstorm Watches in Virginia, 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.