Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 124, NWS Greenville-Spartanburg, SC

May 27, 1998Cabarrus County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 27, 1998, 5:05 PM EDT for Cabarrus County, North Carolina. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 27, 1998, 5:05 PM EDT (21:05 UTC)
Expired
May 27, 1998, 6:10 PM EDT
In force
65 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Cabarrus County, NC

The radar

The Greer radar (KGSP), 162 km from the middle of the area, began a volume at 21:07 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.

What was reported inside it

TimeReportWhereRemark
May 27, 5:43 PM EDTHail 0.75Concord, NC

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 27, 1:30 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.1 hours before the alert went out and 97 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 1998-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 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, Greensboro/Hi Pt, NC at 12:00Z on 1998-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 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
186 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
245 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.

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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 27, 1:02 PM EDT, 4 hours 3 minutes earlier.

Area forecast discussion, May 27, 1:02 PM EDT, 4 hours 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
102 PM EDT WED MAY 27 1998

ALL: LIKELY POPS THIS EVENG...PRECIP SHUD END BY MIDNITE.
     ERLY AM FOG THU..OTHERWISE FAIR. CURNT FCSTS OK.

SPC PLANS TO BOX US..SO THIS OUT ERLY. MDLS SUSPECT TDY GIVEN LESS
THAN FULL COVERAGE BUT NGM AGREES WITH DATA-DEPLETED ETA THAT
SHORTWAVE COMES ACROSS THIS EVENG...TSTMS SHUD BE WIDESPREAD AND
POTENTIAL CERTAINLY EXISTS FOR DANGEROUS DOWNBURSTS. KGSP 88-D SHOWS
RAPID DEVELOPMENT IN WRN CAROLINAS AND NE GA. FOR TNT AND
TMRW...DOWNSLOPE FLO BEHIND SHORTWAVE SHOULD DRY US OUT AND PROVIDE
FAIR WEATHER. AT 48 HRS...MDLS SUGST RIDGING FIRMLY ESTABLISHED
ALNG EAST COAST...WITH BNDRY LYR FLO BACKING TO SW AGAIN.

AVL  56/77/54/80  6/2/0/0
CLT  65/86/62/88  6/1/0/0
GSP  66/85/63/88  6/1/0/0

BURRUS

In the hours before

Local storm report, May 27, 4:47 PM EDT, 18 minutes before
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Local storm report, May 27, 4:47 PM EDT, 18 minutes before
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Local storm report, May 27, 4:55 PM EDT, 10 minutes before
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Local storm report, May 27, 4:55 PM EDT, 10 minutes before
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Local storm report, May 27, 5:01 PM EDT, 4 minutes before
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Local storm report, May 27, 5:01 PM EDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 1:53 PM EDTSevere Thunderstorm WarningGSPBurke32 min
May 27, 2:22 PM EDTSevere Thunderstorm WarningGSPCaldwell33 min
May 27, 2:52 PM EDTSevere Thunderstorm WarningGSPMcDowell38 min
May 27, 3:06 PM EDTSevere Thunderstorm WarningGSPHenderson44 min
May 27, 4:06 PM EDTSevere Thunderstorm WarningGSPCleveland44 min
May 27, 4:09 PM EDTSevere Thunderstorm WarningGSPCatawba31 min
May 27, 4:19 PM EDTSevere Thunderstorm WarningGSPIredell31 min
May 27, 4:55 PM EDTSevere Thunderstorm WarningGSPIredell, Mecklenburg35 min
May 27, 2:59 PM EDTSevere Thunderstorm WarningGSPPickens46 min
May 27, 4:12 PM EDTSevere Thunderstorm WarningGSPGreenville33 min
May 27, 4:27 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg48 min
May 27, 4:33 PM EDTSevere Thunderstorm WarningGSPYork47 min
May 27, 4:47 PM EDTSevere Thunderstorm WarningGSPCherokee48 min
May 27, 5:19 PM EDTSevere Thunderstorm WarningGSPYork31 min
May 27, 7:03 PM EDTSevere Thunderstorm WarningGSPGreenville27 min
May 27, 7:14 PM EDTSevere Thunderstorm WarningGSPSpartanburg66 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.