Alert archive / North Carolina / Tornado Warnings in 1991

Tornado Warning 1, NWS Greenville-Spartanburg, SC

April 9, 1991Burke County, McDowell County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 9, 1991, 7:15 PM EDT for Burke County, McDowell County, North Carolina. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1991, 7:15 PM EDT (23:15 UTC)
Expired
Apr 9, 1991, 7:45 PM EDT
In force
30 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Burke County, NC, McDowell County, NC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 11.3 hours before the alert went out and 235 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 1991-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1991-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -119 square meters per square second.1939587897117136156175194214233253272292Sfc1 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
83 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
866 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-119 m²/s²
0-3 km storm-relative helicity
-100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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

IssuedProductOfficeCountiesLasted
Apr 9, 5:17 PM EDTSevere Thunderstorm WarningGSPCherokee, Graham58 min

Nearby

Tornado Warnings in North Carolina, 1991Every tornado warning in 1991Tornadoes in 1991

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.