Alert archive / West Virginia / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 322

May 9, 20034 counties in Kentucky; 12 counties in Ohio; 27 counties in West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at May 9, 2003, 6:00 PM EDT for 4 counties in Kentucky; 12 counties in Ohio; 27 counties in West Virginia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 9, 2003, 6:00 PM EDT (22:00 UTC)
Expired
May 9, 2003, 11:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 43 counties

Boyd County, KY, Johnson County, KY, Lawrence County, KY, Martin County, KY, Athens County, OH, Fairfield County, OH, Gallia County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Greenbrier County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Nicholas County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 79 km from the middle of the area, began a volume at 22:03 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

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

IssuedProductOfficeCountiesLasted
May 9, 6:04 PM EDTSevere Thunderstorm WarningILNHocking56 min
May 9, 6:19 PM EDTSevere Thunderstorm WarningRLXWood41 min
May 9, 6:27 PM EDTFlash Flood WarningILNHocking63 min
May 9, 6:40 PM EDTSevere Thunderstorm WarningRLXWirt, Wood35 min
May 9, 6:58 PM EDTSevere Thunderstorm WarningRLXAthens32 min
May 9, 7:08 PM EDTSevere Thunderstorm WarningRLXCalhoun37 min
May 9, 8:03 PM EDTSevere Thunderstorm WarningRLXBraxton42 min
May 9, 8:30 PM EDTSevere Thunderstorm WarningRLXWebster45 min
May 9, 8:49 PM EDTSevere Thunderstorm WarningRLXBraxton, Calhoun26 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, 10.0 hours before the alert went out and 193 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 2003-05-09Temperature 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 2003-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.1939587897Sfc1 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
833 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
152 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 8, 8:06 PM EDTMesoscale DiscussionSPCAdair, Barren, Breckinridge, Bullitt, Butler, Cumberland and 26 more54 min
May 9, 2:21 AM EDTMesoscale DiscussionSPCBoone84 min
May 9, 3:02 PM EDTMesoscale DiscussionSPCAnderson, Bath, Boone, Bourbon, Boyd, Bracken and 35 more2 hr
May 9, 3:40 PM EDTSevere Thunderstorm WatchSPCAnderson, Bath, Boone, Bourbon, Bracken, Breckinridge and 41 more5 hr
May 9, 3:48 PM EDTMesoscale DiscussionSPCUnion117 min
May 9, 6:26 PM EDTMesoscale DiscussionSPCAnderson, Bath, Bourbon, Boyle, Breathitt, Bullitt and 41 more64 min
May 9, 7:35 PM EDTSevere Thunderstorm WatchSPCBell, Boyle, Breathitt, Casey, Clay, Clinton and 24 more5 hr
May 9, 2:45 AM EDTSevere Thunderstorm WatchSPCAllen, Auglaize, Butler, Champaign, Clark, Clinton and 31 more5 hr
May 9, 6:04 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Butler, Champaign, Clark, Clinton and 32 more86 min
May 9, 5:36 PM EDTMesoscale DiscussionSPCAthens, Delaware, Fairfield, Franklin, Hocking, Licking and 9 more114 min
May 9, 12:53 PM EDTMesoscale DiscussionSPCFayette, Greenbrier, Monroe, Nicholas, Pocahontas, Raleigh and 3 more3 hr
May 9, 2:05 PM EDTTornado WatchSPCGreenbrier, Monroe6 hr
May 9, 3:55 PM EDTMesoscale DiscussionSPCGreenbrier, Monroe2 hr

Nearby

Severe Thunderstorm Watches in West Virginia, 2003Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Kentucky, 2003Every severe thunderstorm watch in 2003

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.