Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 253, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 29, 1998, 7:56 PM EDT for Chester County, South Carolina. It was in force for 19 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
- Jun 29, 1998, 7:56 PM EDT (23:56 UTC)
- Expired
- Jun 29, 1998, 8:15 PM EDT
- In force
- 19 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Chester County, SC
The radar
The Columbia radar (KCAE), 83 km from the middle of the area, began a volume at 23:57 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, 11.9 hours before the alert went out and 192 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.
- Mixed-layer CAPE
- 271 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1267 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 Jun 29, 2:17 PM EDT, 5 hours 39 minutes earlier.
Area forecast discussion, Jun 29, 2:17 PM EDT, 5 hours 39 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
217 PM EDT MON JUN 29 1998
RAH: WILL NEED TO WATCH OUT FOR POSBL MCS DEVELOPMENT UPSTREAM
TNT...THEN CHC POPS TUE...TUE NGT AND WED. SLOW FALL IN
TEMPS NEXT FEW DAYS. MAY NOT NEED HEAT ADVISORY TUE
CAE/FFC: ISOLD TRW WORDING FOR TUE...SMALL POP TUE NGT AND WED
TEMPS A DEGREE OR TWO COOLER TMRW...LOWER TO MID 90S
FOR WED. MAY BE ABLE TO DROP HEAT ADVISORY
THUNDERSTORMS GOING NOW IN WRN NC. GIST OF FCST RESTS WITH
PERSISTENT TROF ALONG ERN SECTIONS CAROLINAS...OUTFLOWS FROM
PREVIOUS CONVECTION...AND POSBL MCS LATE TNT THAT SHUD MV PARALLEL
TO NERLY E-W ORIENTED FRONT DROPPONG SOUTH INTO MIDWEST. LUKS AS
IF NC PORTION CWA...ESPECIALLY MTNS AND NRN TIER COUNTIES OF
FOOTHILLS/PIEDMONT...STAND BEST CHC OF CONVECTION THROUGH TMRW
MORNING. AS IN PREVIOUS RUNS...MDLS PROG 70H TEMPS TO WARM OVER
10C SC/GA PORTIONS...WHILE BETTER GRADIENT OVR NC.
TNT...HEIGHTS ALF DROP A BIT AS RGN OF HIER WINDS BEGINS PUSHING
SWRD...WITH FRONT EXPECTED TO BE IN VCNTY CWA BY TUE AFTN. ETA
BRINGS RATHER POTENT S/W TO GRAZE NRN CWA TMRW AFTN...HINTS OF SOME
JET INTERACTIONS TOO FOR EVENG. TIME SECTIONS FOR NW PIEDMONT NC SHW
TWO PRONOUNCED PERIODS OF OMEGA...ONE AT 30 HRS..ONE AT 42 AS FRONT
MAKES FINAL PUSH SWRD. ALMOST NEGLIGBLE OMEGA FOR SRN SECTIONS
THROUGH 48 HRS WE SHOULD SEE MORE WIDESPREAD ACTIVITY TWRDS END OF
THIS FCST PD WITH COOLING HEIGHTS ALF AND SFC BNDRY CREATING NATURAL
CNVRGNC MECHANISM.
WITH ADDITIONAL CLOUDS AND BIT MORE UNSETTLED WEATHER NEXT FEW
DAYS...TEMPS IN NC SHUD BEGIN A SLOW...DOWNWARD PROGRESSION. TEMPS
SC/GA DOWN GRADUALLY THROUGH PD. DONT FORGET THAT WITH ASOS
COMMISSIONING TUE NGT...OVRNGT LOWS IN CLT AREA WILL BECOME
MORE REPRESENTATIVE OF SURROUNDING AREAS AND CCF NUMBERS REFLECT
SUCH FOR WED LOW AND HIGH.
AVL 65/87/66/83 3/4/4/3
CLT 75/93/69/90 3/4/4/3
GSP 73/95/71/92 1/2/3/3
BURRUSIn the hours before
Local storm report, Jun 29, 6:35 PM EDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
635 PM EDT MON JUN 29 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
445 PM 5 E SHELBY NC WIND DAMAGE
06/29/98 CLEVELAND 911 CENTER REPORTED TREES
DOWN IN OAK
GROVE...BETHLEHEM AND
& KINGS MOUNTAIN AREAS.
RBNLocal storm report, Jun 29, 6:35 PM EDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
635 PM EDT MON JUN 29 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
445 PM 5 E SHELBY NC WIND DAMAGE
06/29/98 CLEVELAND 911 CENTER REPORTED TREES
DOWN IN OAK
GROVE...BETHLEHEM AND
& KINGS MOUNTAIN AREAS.
RBNLocal storm report, Jun 29, 6:57 PM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
657 PM EDT MON JUN 29 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
640 PM CHARLOTTE NC WIND DAMAGE
06/29/98 MECKLENBURG AMATEUR RADIO OPERATORS
REPORTED 1 FOOT DIAMETER
TREES DOWN IN SOUTHEAST
CHARLOTTE ALONG SHAMROCK
ROAD NEAR EASTWAY.
NEALThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 6:15 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg, Union | 30 min |
| Jun 29, 5:35 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 30 min |
| Jun 29, 6:59 PM EDT | Severe Thunderstorm Warning | GSP | York | 31 min |
Nearby
Severe Thunderstorm Warnings in South 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.