Alert archive / Virginia / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 298

May 13, 20024 states

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2002, 10:00 AM EDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2002, 10:00 AM EDT (14:00 UTC)
Expired
May 13, 2002, 3:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 110 counties

Alexander County, NC, Alleghany County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Cherokee County, NC, Clay County, NC, Cleveland County, NC, Davie County, NC, Forsyth County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Iredell County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rockingham County, NC, Rutherford County, NC, Stokes County, NC, Surry County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Yancey County, NC, Blount County, TN, Bradley County, TN, Carter County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN, Albemarle County, VA, Alleghany County, VA, Amherst County, VA, Appomattox County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Buchanan County, VA, Buckingham County, VA, Campbell County, VA, Caroline County, VA, Carroll County, VA, City of Bristol, VA, City of Buena Vista, VA, City of Charlottesville, VA, City of Covington, VA, City of Danville, VA, City of Galax, VA, City of Lexington, VA, City of Lynchburg, VA, City of Martinsville, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Cumberland County, VA, Floyd County, VA, Fluvanna County, VA, Franklin County, VA, Giles County, VA, Goochland County, VA, Grayson County, VA, Hanover County, VA, Henry County, VA, Louisa County, VA, Montgomery County, VA, Nelson County, VA, Patrick County, VA, Pittsylvania County, VA, Powhatan County, VA, Prince Edward County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wythe County, VA, Greenbrier County, WV, McDowell County, WV, Mercer County, WV, Monroe County, WV, Summers County, WV

The radar

The Knoxville radar (KMRX), 99 km from the middle of the area, began a volume at 14:02 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

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

IssuedProductOfficeCountiesLasted
May 13, 10:00 AM EDTSevere Thunderstorm WarningMRXRussell, Washington45 min
May 13, 10:05 AM EDTSevere Thunderstorm WarningMRXCarter, Johnson40 min
May 13, 10:08 AM EDTSevere Thunderstorm WarningRNKMercer, Summers37 min
May 13, 10:13 AM EDTSevere Thunderstorm WarningRNKSmyth, Tazewell62 min
May 13, 10:26 AM EDTSevere Thunderstorm WarningRNKGreenbrier64 min
May 13, 10:27 AM EDTSevere Thunderstorm WarningRNKAshe, Watauga63 min
May 13, 10:46 AM EDTSevere Thunderstorm WarningRNKBland, Wythe59 min
May 13, 10:58 AM EDTSevere Thunderstorm WarningMRXBlount, Sevier47 min
May 13, 11:40 AM EDTSevere Thunderstorm WarningRNKPulaski35 min
May 13, 11:44 AM EDTSevere Thunderstorm WarningRNKFloyd, Montgomery61 min
May 13, 12:18 PM EDTSevere Thunderstorm WarningRNKFranklin, Roanoke, City of Roanoke, City of Salem57 min
May 13, 12:40 PM EDTSevere Thunderstorm WarningRNKBedford50 min
May 13, 1:10 PM EDTSevere Thunderstorm WarningRNKPittsylvania65 min
May 13, 1:19 PM EDTSevere Thunderstorm WarningMRXHamilton56 min
May 13, 1:38 PM EDTSevere Thunderstorm WarningRNKAmherst, Campbell22 min
May 13, 1:41 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Campbell19 min
May 13, 1:51 PM EDTSevere Thunderstorm WarningMRXBradley, McMinn, Monroe, Polk54 min
May 13, 1:51 PM EDTSevere Thunderstorm WarningRNKAppomattox, Buckingham39 min
May 13, 2:06 PM EDTSevere Thunderstorm WarningAKQCumberland, Prince Edward29 min
May 13, 2:17 PM EDTSevere Thunderstorm WarningAKQFluvanna, Louisa33 min
May 13, 2:27 PM EDTSevere Thunderstorm WarningMRXCherokee48 min
May 13, 2:33 PM EDTSevere Thunderstorm WarningAKQCumberland, Goochland42 min
May 13, 3:00 PM EDTSevere Thunderstorm WarningAKQHanover40 min

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 2.0 hours before the alert went out and 216 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, Greensboro/Hi Pt, NC at 12:00Z on 2002-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 719 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, Greensboro/Hi Pt, NC at 12:00Z on 2002-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
719 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 3:00 PM EDTSevere Thunderstorm WatchSPCAlamance, Alexander, Alleghany, Ashe, Avery, Buncombe and 39 more5 hr
May 13, 5:00 PM EDTSevere Thunderstorm WatchSPCScotland5 hr
May 13, 6:30 PM EDTSevere Thunderstorm WatchSPCAlamance, Anson, Beaufort, Bertie, Camden, Caswell and 39 more6 hr
May 13, 7:15 PM EDTSevere Thunderstorm WatchSPCBladen, Brunswick, Columbus, New Hanover, Onslow, Pender and 2 more5 hr
May 12, 11:45 PM EDTSevere Thunderstorm WatchSPCLake4 hr
May 13, 2:00 AM EDTSevere Thunderstorm WatchSPCBenton, Carroll, Chester, Crockett, Decatur, Dyer and 18 more4 hr
May 13, 5:45 AM EDTSevere Thunderstorm WatchSPCAnderson, Bedford, Bledsoe, Blount, Bradley, Campbell and 63 more5 hr
May 13, 1:30 PM EDTTornado WatchSPCAlbemarle, Arlington, Caroline, Clarke, Culpeper, Fairfax and 21 more6 hr

Nearby

Severe Thunderstorm Watches in Virginia, 2002Severe Thunderstorm Watches in North Carolina, 2002Severe Thunderstorm Watches in Tennessee, 2002Every severe thunderstorm watch in 2002

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.