Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 166, NWS Greenville-Spartanburg, SC

June 10, 1998Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 10, 1998, 7:11 AM EDT for Iredell County, North Carolina. It was in force for 34 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
Jun 10, 1998, 7:11 AM EDT (11:11 UTC)
Expired
Jun 10, 1998, 7:45 AM EDT
In force
34 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Iredell County, NC

What was reported inside it

TimeReportWhereRemark
Jun 10, 7:25 AM EDTHail 1Mooresville, 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 11.2 hours before the alert went out and 93 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 00:00Z on 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
501 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.

189 
WUUS1 KGSP 101112
SVRGSP
NCC097-101145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
711 AM EDT WED JUN 10 1998

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  IREDELL COUNTY IN NORTH CAROLINA

* UNTIL 745 AM EDT

* AT 711 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM ALONG THE CATAWBA/IREDELL COUNTY LINE...MOVING
  SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TROUTMAN 725 AM
  SHEPHERDS 735 AM

THIS STORM PRODUCED QUARTER-SIZED HAIL IN NORTHEAST CATAWBA COUNTY.

PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WITH ANY THUNDERSTORM.

SAB
&

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 Jun 10, 2:22 AM EDT, 4 hours 49 minutes earlier.

Area forecast discussion, Jun 10, 2:22 AM EDT, 4 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
222 AM EDT WED JUN 10 1998

ALL: WILL HAVE TO KEEP AN EYE ON FOG TRENDS THIS AM...OTHRWS...CHC
     POPS TDY...HIER NC PORTION. CHC POPS ALL AROUND FOR EVNG AND
     PERHAPS PREDAWN THU...THEN 40-50 POPS CWA WIDE FOR THU

FRONT TO STAY IN VCNTY CWA THIS PKG...LUKS ON SFC ANALYSIS THAT A
BIT OF A SRN PUSH OF FEATURE WAS MADE TNT. MDLS SUGST FRONT TO
RETREAT TO EXTREME NRN PORTIONS CWA BY THIS AFTN. NO DISCERNIBLE
SFC FEATURES ALNG FRONT TO ACT AS EXTRA FORCING MECHANISM...AND
DOWNSLOPE FLO SHUD LIMIT CONVECTION UNTIL LATE IN AFTN PD; LOW LVL
MOISTR RMNS HIGH EVEN WITH DOWNSLOPE AND SLIGHT COOLING ALF CUD
STEEPEN LAPSE RATES ENUF TO SUPPORT SOME THUNDR. MAY NEED TO WATCH OUT
FOR MCS DVLPNT UPSTREAM AND EFFECTS ON CWA FOR LATE TNT; SOME LOW LVL
PVA SHWN ON GRIDS NC PORTION CWA BY THU AM.

THURSDAY...INTERESTING. EVEN BETTER DYNAMICS AND WELL-DEFINED SFC
WAVE ON FRONT...YET WE HAVE WARMING TEMPS ALF THAT MAY PROVIDE CAP.
BASED ON GRID DATA...WUD THINK MTNS HAVE BEST CHC CONVECTION ALTHO
WITH FRONT IN VCNTY THUNDR POSBL JUST ABOUT ANYWHERE AS WITNESSED
LAST WEEK.

AVL  81/62/84  4/3/5
CLT  87/67/86  4/3/5
GSP  88/69/87  3/3/4

BURRUS

In the hours before

Special weather statement, Jun 10, 5:35 AM EDT, 1 hour 36 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-101630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
535 AM EDT WED JUN 10 1998

...SEVERE WEATHER POSSIBLE TODAY...

A STATIONARY FRONT ACROSS THE CAROLINAS INTO THE OHIO VALLEY WILL
CAUSE UNSTABLE CONDITIONS ACROSS THE REGION TODAY. MOISTURE WILL BE
AVAILABLE TO GENERATE THUNDERSTORMS ACROSS THE WESTERN CAROLINAS AND
EXTREME NORTHEAST GEORGIA. SOME OF THESE STORMS COULD BE SEVERE...
PRODUCING LARGE HAIL AND DAMAGING WINDS.

RESIDENTS OF THE WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA
SHOULD STAY INFORMED OF THE LATEST WEATHER INFORMATION TODAY BY
LISTENING TO LOCAL RADIO OR TV...OR NOAA WEATHER RADIO.

SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY.

ROBBINS/BURRUS
Special weather statement, Jun 10, 5:35 AM EDT, 1 hour 36 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-101630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
535 AM EDT WED JUN 10 1998

...SEVERE WEATHER POSSIBLE TODAY...

A STATIONARY FRONT ACROSS THE CAROLINAS INTO THE OHIO VALLEY WILL
CAUSE UNSTABLE CONDITIONS ACROSS THE REGION TODAY. MOISTURE WILL BE
AVAILABLE TO GENERATE THUNDERSTORMS ACROSS THE WESTERN CAROLINAS AND
EXTREME NORTHEAST GEORGIA. SOME OF THESE STORMS COULD BE SEVERE...
PRODUCING LARGE HAIL AND DAMAGING WINDS.

RESIDENTS OF THE WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA
SHOULD STAY INFORMED OF THE LATEST WEATHER INFORMATION TODAY BY
LISTENING TO LOCAL RADIO OR TV...OR NOAA WEATHER RADIO.

SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY.

ROBBINS/BURRUS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:16 AM EDTSevere Thunderstorm WarningGSPAlexander29 min
Jun 10, 7:29 AM EDTSevere Thunderstorm WarningGSPCabarrus46 min
Jun 10, 7:40 AM EDTSevere Thunderstorm WarningGSPCatawba, Iredell35 min
Jun 10, 9:07 AM EDTSevere Thunderstorm WarningGSPUnion28 min
Jun 10, 9:43 AM EDTSevere Thunderstorm WarningGSPGaston27 min
Jun 10, 9:52 AM EDTSevere Thunderstorm WarningGSPMecklenburg43 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.