Alert archive / North Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 15, NWS Greenville-Spartanburg, SC

March 19, 1992Graham County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 19, 1992, 12:20 PM EST for Graham County, North Carolina. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Mar 19, 1992, 12:20 PM EST (17:20 UTC)
Expired
Mar 19, 1992, 1:15 PM EST
In force
55 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Graham County, NC

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 5.3 hours before the alert went out and 163 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

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The text

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

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 19, 11:46 AM EST, 34 minutes before
SCZ001-002-004-191800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1145 AM EST THU MAR 19 1992

...SEVERE THUNDERSTORM WATCH INCLUDES UPSTATE UNTIL 400 PM EST...
AT 1130 AM WEATHER RADAR SHOWED THUNDERSTORMS DEVELOPING ACROSS NORTHERN
GEORGIA AND WESTERN NORTH CAROLINA...AND JUST MOVING INTO OCONEE COUNTY
IN SOUTH CAROLINA.  SOME OF THESE STORMS COULD BECOME SEVERE A LITTLE
LATER.

HOWEVER...THE MAIN THREAT FOR THE UPSTATE SHOULD OCCUR LATER THIS
AFTERNOON AS THUNDERSTORMS CURRENTLY IN NORTH ALABAMA AND TENNESEE MOVE
TOWARD THE UPSTATE.  THE ATMOSPHERE WILL HAVE BECOME VERY UNSTABLE BY
THE TIME THE STORMS REACH US.

AT THIS TIME IT APPEARS THAT LARGE HAIL !WILL BE THE BIGGEST THREAT...A
FEW PLACES IN THE UPSTATE COULD HAVE A SIGNIFICANT HAILSTORM.  THERE
WILL ALSO BE A THREAT OF DAMAGING WINDS IF THE STORMS MOVE ACROSS.
LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

W. JONES/GSP
Special weather statement, Mar 19, 11:50 AM EST, 30 minutes before
NCZ007-008-191750-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLOTTE NC
1150 AM EST THU MAR 19 1992

... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 400 PM EST FOR MOST OF
WESTERN ... NORTH AND SOUTH CAROLINA. THIS INCLUDES A PORTION OF
NORTH CAROLINAS SOUTHERN PIEDMONT AND SOUTH CAROLINAS EASTERN
FOOTHILLS ...

THE SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTY IN NORTH
CAROLINAS SOUTHERN PIEDMONT ...

CLEVELAND

AND THE FOLLOWING COUNTY IN SOUTH CAROLINAS EASTERN PIEDMONT ...

CHEROKEE

AT 1150 AM EST WEATHER RADAR IN CHARLOTTE SHOWED SCATTERED SHOWERS TO
THE NORTH OF ASHEVILLE NORTH CAROLINA. THESE SHOWERS WERE MOVING
TOWARD THE NORTHEAST AT AROUND 15 MPH. ELSEWHERE WITHIN 100 MILES OF
CHARLOTTE ... NO PRECIPITATION WAS DETECTED.

THE NEXT STATEMENT WILL BE ISSUED AROUND 1250 PM EST OR EARLIER
SHOULD CONDITIONS WORSEN.

MATT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 11:00 AM ESTSevere Thunderstorm WarningGSPClay60 min
Mar 19, 11:47 AM ESTSevere Thunderstorm WarningGSPMacon58 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
Mar 19, 12:28 PM ESTSevere Thunderstorm WarningGSPPickens32 min
Mar 19, 12:34 PM ESTSevere Thunderstorm WarningGSPGreenville41 min
Mar 19, 1:13 PM ESTSevere Thunderstorm WarningGSPAbbeville, Anderson62 min
Mar 19, 1:29 PM ESTSevere Thunderstorm WarningGSPGreenville, Pickens61 min
Mar 19, 1:52 PM ESTSevere Thunderstorm WarningGSPSpartanburg68 min
Mar 19, 2:03 PM ESTSevere Thunderstorm WarningGSPAbbeville, Greenwood42 min
Mar 19, 2:29 PM ESTSevere Thunderstorm WarningGSPUnion46 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.