Alert archive / South Carolina / Flash Flood Warnings in 1998
Flash Flood Warning 50, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Apr 17, 1998, 7:44 AM EDT for Anderson County, South Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 17, 1998, 7:44 AM EDT (11:44 UTC)
- Expired
- Apr 17, 1998, 10:40 AM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Anderson County, SC
The radar
The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 11:46 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 11.7 hours before the alert went out and 214 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
- 1217 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 368 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 10.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGSP 171147 FFWGSP SCC007-171440- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 744 AM EDT FRI APR 17 1998 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG SC HAS ISSUED A * FLASH FLOOD WARNING FOR... ANDERSON COUNTY IN SOUTH CAROLINA * UNTIL 1040 AM EDT * AT 735 AM... NATIONAL WEATHER SERVICE RADAR INDICATED A STATIONARY LINE OF THUNDERSTORMS EXTENDED ACROSS ANDERSON COUNTY...INDIVIDUAL THUNDERSTORMS WITHIN THE LINE WERE MOVING EAST AT 40 MPH. * A NUMBER OF ROADS HAVE BEEN CLOSED IN ANDERSON AND BELTON. WAIST HIGH WATER WAS REPORTED AT BREAZEALE AND KAY STREET IN BELTON. HIGHWAY 20 AND HIGHWAY 76/178 ARE ALSO FLOODED. THIS IS AN EXTENSION OF THE WARNING THAT WAS ISSUED AT 543 THIS MORNING. REMEMBER THAT MOST FLOOD FATALITIES ARE THE RESULT OF DRIVING INTO FLOODED STREETS...ROADS...OR STREAMS...OR OCCUR WHEN CHILDREN PLAY IN OR NEAR STORM DRAINS OR STREAMS.>
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Apr 17, 3:00 AM EDT, 4 hours 44 minutes earlier.
Area forecast discussion, Apr 17, 3:00 AM EDT, 4 hours 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
300 AM EDT FRI APR 17 1998
RAH: CONT LIKELY POPS THIS AM...CHC POPS THIS AFTN...CONTD
CHC POPS THROUGH SATURDAY...LIKELY IN XTND FOR SUN. MAYBE
SOME DRIER IAR INTO EXTREME WEST TNT.
CAE/FFC: CONT CATEGORICAL POPS THIS AM...CHC POPS THIS AFTN
THROUGH SATURDAY.
TWO AREAS OF CONCERN THIS MORNING...CONVECTION MOVING ACROSS NORTHERN
TIER COUNTIES ASSD WITH SEVERE WEATHER...AND APPROACHING AREA OF
CONVECTION FROM CNTRL GA THROUGH UPST...SRN MTNS NC AND SRN AND CNTRL
PIEDMONT NC. NEXT FEW HRS APPR TO BE VERY BUSY...WITH SOME BACK
BUILDING AHEAD OF SRN END OF FRNTL BNDRY.
MDL TRENDS TNT SUGST THAT FRONT WILL PROBABLY STALL OVR SC
MIDLANDS...SUPPROTED BY CONTD NEARLY PARALLEL FLO TO FRNTL BNDRY.
MDLS EVEN SUGTS SOME SHORTWAVE RIDGING TMRW...WITH RISING HGHTS
AND PERHAPS SOME WARMER AIR TO PROVIDE A CAP OF SORTS.
WEEKEND SHUD BE UNSETTELED...ESPEICALLY SRN END CWA WHEREEVER FRONT
BECOMS STANRY. NC POTION MAY ACTUALLY GET INTO DRIER AIR WITH HI
PRES BUILDING INTO THAT AREA LATE TDY HWVR..SRN AREAS TO REMAIN
RATHER MOIST AND UNSTABLE. WILL HAVE TO KEEP A WATCH ON MOST OF CWA
THROUGH SATURDAY NITE FOR FLASH FLOOD POTENTIAL RIGHT NOW...SEEMS TO
BE OCCURRING IN ONLY ISOLD PLACES CURNT RADAR TRENDS ARE ENCOURAGING
IN THAT REGARD.
AVL 68/48/63 6/3/3
CLT 72/59/70 7/3/3
GSP 71/63/72 6/3/4
BURRUSIn the hours before
Special weather statement, Apr 17, 3:39 AM EDT, 4 hours 5 minutes before
NCZ033-048>053-058-059-062>065-170930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 339 AM EDT FRI APR 17 1998 ...NORTH CAROLINA MOUNTAINS CLEARED FROM TORNADO WATCH 239... STRONG TO SEVERE THUNDERSTORMS THAT MOVED ACROSS THE NORTH CAROLINA MOUNTAINS HAVE MOVED EAST OF THE AREA AND EXCEPT FOR A FEW SCATTERED SHOWERS OR THUNDERSTORMS DURING THE PREDAWN...PRECIPITATION HAS ENDED FOR THE MOST PART IN THE REGION. THEREFORE...THE MOUNTAINS HAVE BEEN CLEARED FROM TORNADO WATCH 239. THE TORNADO WATCH REMAINS IN EFFECT UNTIL 5 AM FOR THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA. UNTIL THE COLD FRONT IN TENNESSEE HAS PASSED EAST OF THE AREA...THERE WILL STILL BE A THREAT OF THUNDERSTORMS IN THE MOUNTAINS THIS MORNING AND EARLY THIS AFTERNOON. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. BURRUS
Special weather statement, Apr 17, 3:39 AM EDT, 4 hours 5 minutes before
NCZ033-048>053-058-059-062>065-170930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 339 AM EDT FRI APR 17 1998 ...NORTH CAROLINA MOUNTAINS CLEARED FROM TORNADO WATCH 239... STRONG TO SEVERE THUNDERSTORMS THAT MOVED ACROSS THE NORTH CAROLINA MOUNTAINS HAVE MOVED EAST OF THE AREA AND EXCEPT FOR A FEW SCATTERED SHOWERS OR THUNDERSTORMS DURING THE PREDAWN...PRECIPITATION HAS ENDED FOR THE MOST PART IN THE REGION. THEREFORE...THE MOUNTAINS HAVE BEEN CLEARED FROM TORNADO WATCH 239. THE TORNADO WATCH REMAINS IN EFFECT UNTIL 5 AM FOR THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA. UNTIL THE COLD FRONT IN TENNESSEE HAS PASSED EAST OF THE AREA...THERE WILL STILL BE A THREAT OF THUNDERSTORMS IN THE MOUNTAINS THIS MORNING AND EARLY THIS AFTERNOON. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. BURRUS
Local storm report, Apr 17, 4:04 AM EDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
404 AM EDT FRI APR 17 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
308 AM DACUSVILLE SC 0.75 INCH HAIL REPORTED
04/17/98 PICKENS BY AMATEUR RADIO
318 AM PICKET POST SC TREES DOWN REPORTED BY
04/17/98 OCONEE 911 COMMUNICATONS CENTER
340 AM DUNCAN/POPLAR SPRINGS SC TREES DOWN REPORTED BY
04/17/98 SPARTANBURG 911 COMMUNICATIONS CENTER
KAJLocal storm report, Apr 17, 4:04 AM EDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
404 AM EDT FRI APR 17 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
308 AM DACUSVILLE SC 0.75 INCH HAIL REPORTED
04/17/98 PICKENS BY AMATEUR RADIO
300 AM PICKET POST SC TREES DOWN REPORTED BY
04/17/98 OCONEE 911 COMMUNICATONS CENTER
340 AM DUNCAN/POPLAR SPRINGS SC TREES DOWN REPORTED BY
04/17/98 SPARTANBURG 911 COMMUNICATIONS CENTER
...CORRECTED FOR EVENT TIME OF OCONEE COUNTY STORM
KAJLocal storm report, Apr 17, 4:04 AM EDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
404 AM EDT FRI APR 17 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
308 AM DACUSVILLE SC 0.75 INCH HAIL REPORTED
04/17/98 PICKENS BY AMATEUR RADIO
318 AM PICKET POST SC TREES DOWN REPORTED BY
04/17/98 OCONEE 911 COMMUNICATONS CENTER
340 AM DUNCAN/POPLAR SPRINGS SC TREES DOWN REPORTED BY
04/17/98 SPARTANBURG 911 COMMUNICATIONS CENTER
KAJLocal storm report, Apr 17, 4:04 AM EDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
404 AM EDT FRI APR 17 1998
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
308 AM DACUSVILLE SC 0.75 INCH HAIL REPORTED
04/17/98 PICKENS BY AMATEUR RADIO
300 AM PICKET POST SC TREES DOWN REPORTED BY
04/17/98 OCONEE 911 COMMUNICATONS CENTER
340 AM DUNCAN/POPLAR SPRINGS SC TREES DOWN REPORTED BY
04/17/98 SPARTANBURG 911 COMMUNICATIONS CENTER
...CORRECTED FOR EVENT TIME OF OCONEE COUNTY STORM
KAJThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 2:35 AM EDT | Severe Thunderstorm Warning | GSP | Oconee | 45 min |
| Apr 17, 2:50 AM EDT | Tornado Warning | GSP | Pickens | 45 min |
| Apr 17, 3:08 AM EDT | Severe Thunderstorm Warning | GSP | Anderson | 47 min |
| Apr 17, 3:29 AM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 46 min |
| Apr 17, 5:43 AM EDT | Flash Flood Warning | GSP | Anderson | 2 hr |
| Apr 17, 6:11 AM EDT | Severe Thunderstorm Warning | GSP | Greenville, Laurens | 44 min |
| Apr 17, 6:50 AM EDT | Severe Thunderstorm Warning | GSP | Laurens, Spartanburg | 45 min |
Nearby
Flash Flood Warnings in South Carolina, 1998Every flash flood 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.