Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 36, NWS Greenville-Spartanburg, SC

March 29, 1997Union County, York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 29, 1997, 5:23 AM EST for Union County, York County, South Carolina. It was in force for 37 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: Mar 29, 1997, 5:23 AM EST (10:23 UTC)
Expired: Mar 29, 1997, 6:00 AM EST
In force: 37 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

Counties Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 75 km from the middle of the area, began a volume at 10:25 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 29, 5:15 AM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.4 hours before the alert went out and 194 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1391 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 291 m²/s²
0-3 km storm-relative helicity: 388 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.

647 
WUUS1 KGSP 291027
SVRGSP
SCC091-087-291100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED TEXT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
523 AM EST SAT MAR 29 1997

THE NATIONAL WEATHER SERVICE IN GREENVILLE SPARTANBURG HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTH CENTRAL SOUTH CAROLINA

   ...YORK COUNTY

IN NORTHWEST SOUTH CAROLINA

   ...UNION COUNTY

WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS EXTENDING ACROSS
EASTERN CHEROKEE SOUTHWARD INTO UNION COUNTY. THESE STORMS WILL
CONTINUE MOVING EAST AT 40 MPH. 1 INCH HAIL WAS RECENTLY REPORTED
IN JONESVILLE...UNION COUNTY AND LARGE HAIL WILL CONTINUE TO BE LIKELY.

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 Mar 29, 1:21 AM EST, 4 hours 2 minutes earlier.

Area forecast discussion, Mar 29, 1:21 AM EST, 4 hours 2 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
120 AM EST SAT MAR 29 1997

.BUSY...BUSY SO WILL BE BRIEF...

SHORT WAVE COMING ACROSS SHOULD ENTER WEST SECTION OF CWA 11-12Z
AND EXIT EAST PORTIONS ABT 14Z.  TIL THEN LATEST GRIDS SHOW MDT
MICROBURST POTENTIAL OVR WESTERN NC..UPSTATE AND NE GA.

WINDS TODAY AFTR S/W PASSAGE WILL INCREASE AND GRADUALLY TURN TO WEST.
THIS COULD MAKE LOW LVL MOISTURE SLOW TO LEAVE.  GOOD NW DOWNSLOPE
SHOULD KICK IN BY LATE AFTN AND ERLY EVENING.

NEXT S/W WILL APPROACH SUNDAY INCREASING MOISTURE BACK OVER CWA.
TEMPERATURES AFTR THIS ONE LOOK TO BE MUCH COLDER THEN WE HAVE SEEN FOR
AWHILE.

GSP 77/46/71 3/0/0
CLT 77/49/73 3/0/0
AVL 69/42/67 2/0/0

RBN

In the hours before

Local storm report, Mar 29, 4:45 AM EST, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
445 AM EST SAT MAR 29 1997

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

444 AM     PIEDMONT                  SC   .75 INCH HAIL
03/29/97   ANDERSON                       REPORTED BY OFF DUTY NWS
                                          PERSONNEL.

CSH

Local storm report, Mar 29, 4:47 AM EST, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
445 AM EST SAT MAR 29 1997

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

444 AM     PIEDMONT                  SC   .75 INCH HAIL
03/29/97   ANDERSON                       REPORTED BY OFF DUTY NWS
                                          PERSONNEL.

CSH

Special weather statement, Mar 29, 4:55 AM EST, 28 minutes before

SCZ008-009-013-014-NCZ068>072-082-291100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
455 AM EST SAT MAR 29 1997

...STRONG TO SEVERE THUNDERSTORMS HEADING TOWARDD PARTS OF THE
   CAROLINA PIEDMONTS...

SEVERE THUNDERSTORMS AROUND THE GREENVILLE-SPARATANBURG METRO AREA
EARLY THIS MORNING WILL CONTINUE TO MOVE QUICKLY EASTWARD DURING THE
PRE-DAWN HOURS.  FREQUENT CLOUD TO GROUND LIGHTNING...HEAVY
RAIN...GUSTY WIND AND HAIL ARE LIKELY ARE THUNDERSTORMS RAPIDLY MOVE
EAST.   STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

HORNE

Special weather statement, Mar 29, 4:56 AM EST, 27 minutes before

SCZ008-009-013-014-NCZ068>072-082-291100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
455 AM EST SAT MAR 29 1997

...STRONG TO SEVERE THUNDERSTORMS HEADING TOWARDD PARTS OF THE
   CAROLINA PIEDMONTS...

SEVERE THUNDERSTORMS AROUND THE GREENVILLE-SPARATANBURG METRO AREA
EARLY THIS MORNING WILL CONTINUE TO MOVE QUICKLY EASTWARD DURING THE
PRE-DAWN HOURS.  FREQUENT CLOUD TO GROUND LIGHTNING...HEAVY
RAIN...GUSTY WIND 6AND HAIL ARE LIKELY ARE THUNDERSTORMS RAPIDLY MOVE
EAST.   STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

HORNE

Local storm report, Mar 29, 5:00 AM EST, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
500 AM EST SAT MAR 29 1997

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

458 AM     WEST OF FOUNTAIN INN      SC   1.75 INCH HAIL
03/29/97   GREENVILLE                     I-385 AND ROUTE 418.

CSH

Local storm report, Mar 29, 5:01 AM EST, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
500 AM EST SAT MAR 29 1997

TIME (EST) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.J....

458 AM     WEST OF FOUNTAIN INN      SC   1.75 INCH HAIL
03/29/97   GREENVILLE                     I-385 AND ROUTE 418.

CSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 4:22 AM EST	Severe Thunderstorm Warning	GSP	Greenville, Pickens	38 min
Mar 29, 4:37 AM EST	Severe Thunderstorm Warning	GSP	Anderson	23 min
Mar 29, 4:51 AM EST	Severe Thunderstorm Warning	GSP	Laurens, Spartanburg	39 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1997 Every severe thunderstorm warning in 1997

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.