Alert archive / Tennessee / Severe Thunderstorm Watches in 1998

Severe Thunderstorm Watch 641

June 22, 19985 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 22, 1998, 8:00 PM EDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 22, 1998, 8:00 PM EDT (00:00 UTC)
Expired
Jun 23, 1998, 1:00 AM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 84 counties

Bell County, KY, Clay County, KY, Clinton County, KY, Floyd County, KY, Harlan County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Letcher County, KY, Martin County, KY, McCreary County, KY, Perry County, KY, Pike County, KY, Wayne County, KY, Whitley County, KY, Alexander County, NC, Alleghany County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Surry County, NC, Swain County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Yancey County, NC, Anderson County, TN, Blount County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Monroe County, TN, Morgan County, TN, Pickett County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Galax, VA, City of Norton, VA, Dickenson County, VA, Grayson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Boone County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Wyoming County, WV

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:01 PM EDTSevere Thunderstorm WarningMRXHancock64 min
Jun 22, 8:03 PM EDTSevere Thunderstorm WarningMRXCarter62 min
Jun 22, 8:06 PM EDTSevere Thunderstorm WarningMRXJefferson64 min
Jun 22, 8:10 PM EDTSevere Thunderstorm WarningMRXSevier65 min
Jun 22, 8:10 PM EDTSevere Thunderstorm WarningMRXGrainger, Hamblen, Hawkins65 min
Jun 22, 8:13 PM EDTFlash Flood WarningMRXCarter4 hr
Jun 22, 8:20 PM EDTSevere Thunderstorm WarningMRXRussell, Scott65 min
Jun 22, 8:22 PM EDTFlash Flood WarningJKLMartin, Pike4 hr
Jun 22, 8:22 PM EDTFlash Flood WarningJKLHarlan, Letcher4 hr
Jun 22, 8:26 PM EDTSevere Thunderstorm WarningMRXLoudon, Roane64 min
Jun 22, 8:29 PM EDTSevere Thunderstorm WarningRLXDickenson31 min
Jun 22, 8:31 PM EDTSevere Thunderstorm WarningMRXCocke64 min
Jun 22, 8:31 PM EDTSevere Thunderstorm WarningMRXUnicoi, Washington64 min
Jun 22, 8:39 PM EDTSevere Thunderstorm WarningMRXKnox66 min
Jun 22, 8:43 PM EDTSevere Thunderstorm WarningMRXGreene62 min
Jun 22, 8:45 PM EDTSevere Thunderstorm WarningMRXBlount65 min
Jun 22, 8:50 PM EDTSevere Thunderstorm WarningMRXWashington65 min
Jun 22, 9:16 PM EDTSevere Thunderstorm WarningMRXCarter, Unicoi64 min
Jun 22, 9:18 PM EDTSevere Thunderstorm WarningMRXSevier32 min
Jun 22, 9:21 PM EDTSevere Thunderstorm WarningMRXJohnson49 min
Jun 22, 9:26 PM EDTSevere Thunderstorm WarningMRXLoudon, Roane64 min
Jun 22, 9:26 PM EDTSevere Thunderstorm WarningMRXMonroe64 min
Jun 22, 9:38 PM EDTFlash Flood WarningMRXLoudon, Roane3 hr
Jun 22, 9:39 PM EDTSevere Thunderstorm WarningRNKSmyth76 min
Jun 22, 9:42 PM EDTSevere Thunderstorm WarningMRXBlount63 min
Jun 22, 9:48 PM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood42 min
Jun 22, 9:56 PM EDTSevere Thunderstorm WarningGSPMcDowell, Yancey49 min
Jun 22, 10:42 PM EDTSevere Thunderstorm WarningRNKWilkes48 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.0 hours before the alert went out and 296 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, Nashville Metro, TN at 00:00Z on 1998-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2645 joules per kilogram.LCLEL10008507005003002001001 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, Nashville Metro, TN at 00:00Z on 1998-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 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
2645 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1476 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Tennessee, 1998Severe Thunderstorm Watches in North Carolina, 1998Severe Thunderstorm Watches in Kentucky, 1998Every severe thunderstorm watch in 1998

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.