Alert archive / North Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 13, NWS Greenville-Spartanburg, SC

March 19, 1992Clay County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 19, 1992, 11:00 AM EST for Clay County, North Carolina. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Mar 19, 1992, 11:00 AM EST (16:00 UTC)
Expired
Mar 19, 1992, 12:00 PM EST
In force
60 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Clay County, NC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 4.0 hours before the alert went out and 130 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, Athens Municipal, GA at 12:00Z on 1992-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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, Athens Municipal, GA at 12:00Z on 1992-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
66 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
569 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KAVL 191602
SVRAVL
NCC043-191700-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ASHEVILLE NC
1100 AM EST THU MAR 19 1992
 
THE NATIONAL WEATHER SERVICE IN ASHEVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL NOON EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST NORTH CAROLINA
 
   ...WESTERN CLAY COUNTY
 
WEATHER RADAR DECTED A LARGE THUNDERSTORM OVER FAR EASTERN CHEROKEE
COUNTY ABOUT TO ENTER 6CLAY COUNTY. THIS STORM IS GROWING RAPIDLY
AND MAY PRODUCE LARGE HAIL AND DAMAGING WINDS.

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 19, 11:47 AM ESTSevere Thunderstorm WarningGSPMacon58 min
Mar 19, 12:20 PM ESTSevere Thunderstorm WarningGSPGraham55 min
Mar 19, 1:53 PM ESTTornado WarningGSPCatawba37 min
Mar 19, 2:17 PM ESTSevere Thunderstorm WarningGSPMecklenburg43 min
Mar 19, 2:44 PM ESTSevere Thunderstorm WarningGSPCabarrus46 min
Mar 19, 3:37 PM ESTSevere Thunderstorm WarningGSPMecklenburg38 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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.