Alert archive / Virginia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 29, NWS Morristown, TN

April 13, 1996Washington County, Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Apr 13, 1996, 5:37 PM EDT for Washington County, Virginia. It was in force for 68 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 13, 1996, 5:37 PM EDT (21:37 UTC)
Expired
Apr 13, 1996, 6:45 PM EDT
In force
68 min
Issued by
NWS Morristown, TN
Area
Whole counties

County Washington County, VA

The radar

The Knoxville radar (KMRX), 143 km from the middle of the area, began a volume at 21:39 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.6 hours before the alert went out and 198 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 1996-04-13Temperature 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, Greensboro/Hi Pt, NC at 12:00Z on 1996-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
2198 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 13, 2:41 PM EDTSevere Thunderstorm WarningMRXMeigs, Rhea, Roane64 min
Apr 13, 2:52 PM EDTSevere Thunderstorm WarningMRXAnderson, Knox, Loudon68 min
Apr 13, 3:20 PM EDTSevere Thunderstorm WarningMRXMcMinn55 min
Apr 13, 3:33 PM EDTSevere Thunderstorm WarningMRXMonroe57 min
Apr 13, 3:38 PM EDTSevere Thunderstorm WarningMRXGrainger, Union67 min
Apr 13, 3:38 PM EDTSevere Thunderstorm WarningMRXJefferson67 min
Apr 13, 3:52 PM EDTSevere Thunderstorm WarningMRXHamblen68 min
Apr 13, 4:02 PM EDTSevere Thunderstorm WarningMRXBlount58 min
Apr 13, 4:23 PM EDTSevere Thunderstorm WarningMRXGreene, Hawkins67 min
Apr 13, 4:57 PM EDTSevere Thunderstorm WarningMRXSevier63 min
Apr 13, 5:09 PM EDTSevere Thunderstorm WarningMRXSullivan, Washington66 min
Apr 13, 5:00 PM EDTSevere Thunderstorm WarningMRXScott60 min
Apr 13, 5:56 PM EDTSevere Thunderstorm WarningMRXRussell64 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1996Every severe thunderstorm warning in 1996

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.