Alert archive / Virginia / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 7, NWS Morristown, TN

April 24, 1992Smyth County, Washington County, Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Apr 24, 1992, 6:47 PM EDT for Smyth County, Washington County, Virginia. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1992, 6:47 PM EDT (22:47 UTC)
Expired
Apr 24, 1992, 7:30 PM EDT
In force
43 min
Issued by
NWS Morristown, TN
Area
Whole counties

Counties Smyth County, VA, Washington County, VA

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 10.8 hours before the alert went out and 188 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, Huntington/Tri S, WV at 12:00Z on 1992-04-24Temperature 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, Huntington/Tri S, WV at 12:00Z on 1992-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 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
2129 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
222 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 24, 6:29 PM EDTSevere Thunderstorm WarningMRXSmyth, Washington61 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1992Every severe thunderstorm warning in 1992

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.