Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 285, NWS Greenville-Spartanburg, SC

July 22, 1998Catawba County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 22, 1998, 3:40 PM EDT for Catawba County, North Carolina. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 22, 1998, 3:40 PM EDT (19:40 UTC)
Expired
Jul 22, 1998, 4:30 PM EDT
In force
50 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Catawba County, NC

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 19:42 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.7 hours before the alert went out and 127 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 1998-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1081 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 1998-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1081 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
1231 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
33 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.

253 
WUUS1 KGSP 221941 RRA
SVRGSP
NCC035-222030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
340 PM EDT WED JUL 22 1998

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 430 PM EDT

* AT 340 PM EDT... NATIONAL WEATHER SERVICE RADAR INDICATED A
  SEVERE THUNDERSTORM IN THE VICINITY OF HICKORY MOVING EAST AT 10
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STARTOWN AT 400 PM EDT
  FAIRGROVE AT 405 PM EDT
  NEWTON AT 415 PM EDT
  CONOVER AT 415 PM EDT

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.

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 Jul 22, 2:54 PM EDT, 46 minutes earlier.

Area forecast discussion, Jul 22, 2:54 PM EDT, 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
254 PM EDT WED JUL 22 1998

CIRCULATION AROUND UPPER LOW OVER HUDSON BAY WILL BUILD SOUTHWARD INTO
CWA THROUGH FRIDAY. WEAK COLD FRONT OVER GREAT LAKES WILL PUSH SOUTH
INTO MID- ATLANTIC AREA AND MERGE INTO LEE SIDE TROF THAT WILL PERSIST
THRU THE CAROLINA.

SEE LITTLE TEMP CHANGE THE NEXT FEW DAYS EXCEPT POSSIBLE FEW DEGREE
LOWERING DUE TO SLIGHT INCREASE IN CLDS AND PRECIP. HEAT INDICES
SHOULD CONTINUE TO MAX OUT IN THE 100 TO 105 AREA OVER MOST LOCATIONS
IN FOOTHILLS AND PIEDMONT.

PRECIP CURRENTLY AROUND CWA SHOULD CONTINUE WITH DAYS HEATING AND
DECREASE QUICKLY AFTER...BUT EXPECT ACTIVITY PATTERN TO SHIFT SOUTHEAST
WITH BEST MOISTURE CONVG AND OMEGA UPLIFT.

AVL 65/86/63/85 2/4/2/3
CLT 74/93/72/91 2/4/3/3
GSP 73/92/71/91 2/4/3/3

NEAL

In the hours before

Special weather statement, Jul 22, 12:30 PM EDT, 3 hours 10 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-221930-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1230 PM EDT MON JUL 22 1998

...ISOLATED SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND
EVENING...

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON
ACROSS NORTHEAST GEORGIA AND THE WESTERN CAROLINAS. A FEW OF THESE
THUNDERSTORMS COULD BECOME SEVERE...PRODUCING LARGE HAIL AND D*AMAGING
WINDS BUT NO ORGANIZED WIDESPREAD OUTBREAKS ARE EXPECTED TO OCCUR.

SKYWARN SPOTTERS AND EMERGENCY MANAGERS SHOULD KEEP AWARE OF
DEVELOPING STORMS THIS AFTERNOON AND LISTEN FOR LATER INFORMATION.

RBN
Special weather statement, Jul 22, 12:30 PM EDT, 3 hours 10 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-221930-

SEVERE WEATHER OUTLOOK...CORRECTED...
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1230 PM EDT WED JUL 22 1998

...ISOLATED SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND
EVENING...

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON
ACROSS NORTHEAST GEORGIA AND THE WESTERN CAROLINAS. A FEW OF THESE
THUNDERSTORMS COULD BECOME SEVERE...PRODUCING LARGE HAIL AND DAMAGING
WINDS BUT NO ORGANIZED WIDESPREAD OUTBREAKS ARE EXPECTED TO OCCUR.

SKYWARN SPOTTERS AND EMERGENCY MANAGERS SHOULD KEEP AWARE OF
DEVELOPING STORMS THIS AFTERNOON AND LISTEN FOR LATER INFORMATION.

RBN
Special weather statement, Jul 22, 12:30 PM EDT, 3 hours 10 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-221930-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1230 PM EDT MON JUL 22 1998

...ISOLATED SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND
EVENING...

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON
ACROSS NORTHEAST GEORGIA AND THE WESTERN CAROLINAS. A FEW OF THESE
THUNDERSTORMS COULD BECOME SEVERE...PRODUCING LARGE HAIL AND D*AMAGING
WINDS BUT NO ORGANIZED WIDESPREAD OUTBREAKS ARE EXPECTED TO OCCUR.

SKYWARN SPOTTERS AND EMERGENCY MANAGERS SHOULD KEEP AWARE OF
DEVELOPING STORMS THIS AFTERNOON AND LISTEN FOR LATER INFORMATION.

RBN
Special weather statement, Jul 22, 12:30 PM EDT, 3 hours 10 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-221930-

SEVERE WEATHER OUTLOOK...CORRECTED...
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1230 PM EDT WED JUL 22 1998

...ISOLATED SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND
EVENING...

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON
ACROSS NORTHEAST GEORGIA AND THE WESTERN CAROLINAS. A FEW OF THESE
THUNDERSTORMS COULD BECOME SEVERE...PRODUCING LARGE HAIL AND DAMAGING
WINDS BUT NO ORGANIZED WIDESPREAD OUTBREAKS ARE EXPECTED TO OCCUR.

SKYWARN SPOTTERS AND EMERGENCY MANAGERS SHOULD KEEP AWARE OF
DEVELOPING STORMS THIS AFTERNOON AND LISTEN FOR LATER INFORMATION.

RBN
Local storm report, Jul 22, 3:25 PM EDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
325 PM EDT WED JUL 22 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

320 PM     SUGAR HILL                NC   WIND DAMAGE
07/22/98   MCDOWELL                       TREES AND POWER LINES
                                          DOWN.  REPORTED BY COUNTY
                                          911.

CSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:58 PM EDTSevere Thunderstorm WarningGSPMcDowell47 min
Jul 22, 3:56 PM EDTSevere Thunderstorm WarningGSPJackson34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.