Alert archive / South Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 19, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 9, 2004, 5:23 PM EDT for Anderson County, Pickens County, South Carolina. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 9, 2004, 5:23 PM EDT (21:23 UTC)
- Expired
- May 9, 2004, 6:15 PM EDT
- In force
- 52 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Anderson County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 54 km from the middle of the area, began a volume at 21:24 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.4 hours before the alert went out and 218 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
- 131 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1830 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 092123 SVRGSP SCC007-077-092215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 523 PM EDT SUN MAY 9 2004 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA SOUTHERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 615 PM EDT * AT 523 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES SOUTHEAST OF CLEMSON...OR ABOUT OVER PENDLETON...MOVING NORTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CLEMSON AROUND 530 PM EDT. CENTRAL AROUND 545 PM EDT. NORRIS AROUND 600 PM EDT. SIX MILE AROUND 610 PM EDT. LIBERTY AROUND 615 PM EDT. PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM. LARGE HAIL HAS ALREADY BEEN REPORTED WITH THIS STORM. LAT...LON 3460 8291 3453 8270 3483 8251 3492 8278 $$ JONES
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 May 9, 2:55 PM EDT, 2 hours 28 minutes earlier.
Area forecast discussion, May 9, 2:55 PM EDT, 2 hours 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 255 PM EDT SUN MAY 9 2004 .SHORT TERM... RADAR SHOWING NUMEROUS SHOWERS AND THUNDERSTORMS OVER THE NORTH CAROLINA MOUNTAINS ATTM. W/V DISPLAYING VORT MAX OVER THE SAVANNAH RIVER...AND WILL CONTINUE TO ADVANCE NE THIS AFTERNOON. CIRRUS AND CONTRAILS AHEAD OF THE VORT HAVE LIMITED HEATING OVER THE UPSTATE AND THE NC FTHILLS AND PIEDMONT. VISIBLE SATELLITE SHOWING THE CU FIELD ENHANCING OVER THE CLT METRO...WITH LAPS ESTIMATING CIN/CAPE OF -15/1900 J/KG AT 18Z. AS VORT PASSES OVER THE FA WILL EXPECT MTN ACTIVITY TO REMAIN ACTIVE AND CONVECTION TO THE EAST TO INITIATE. WILL CONTINUE LIKELY TO CATE OVER THE MTNS AND CHC TO THE EAST. PROLONGED PERIODS OF HEAVY RAIN...HAIL...GUSTY WINDS WILL BE THE PRIMARY THREAT WITH THESE STORMS. WILL EXPECT CONVECTION TO ASHES OUT LATE THIS EVENING...HOLDING ON THE MTN POPS THROUGH MIDNIGHT. WILL CONTINUE THE ISSUANCE OF THE SPS TO HIGHLIGHT. MON...PATTERN REMAINS SIMILAR TO TODAY...HOWEVER...A SLIGHT WARM NOSE DEVELOPS AROUND 600MB. MESOETA CAPES REMAIN LESS THAN 500 AND CIN 20-50. WITH LITTLE TRIGGER EXPECTED WILL LIMIT POPS TO MTN CHCS. TUE...H5 RIDGE AXIS SHIFTS TO THE ATLANTIC AND S/W RIDES UP FROM THE DEEP SOUTH. INSTABILITY INCREASES A BIT FOR TUES...AT LEAST THE NEGATIVE AREA DECREASES. TIMING OF THE ETA VORT WILL BRING IT OVER THE CWA AROUND PEAK HEATING. MOS GUIDANCE FROM THE MAV/FWC/MET INCREASE POPS TO CHC AND WILL AT LEAST MATCH. RECENT HISTORY SHOWS THAT MOS POPS HAVE BEEN TOO LOW OVER THE HIGHER TERRAIN AND WILL MAXIMIZE POPS AT HIGH CHC OVER THE BALSAMS. .LONG TERM... PATTERN IS VERY SLOW TO CHANGE FOR THE NEXT SEVEN DAYS. MEDIUM RANGE MODELS SHOWING FA ON THE EDGE OF THE BERMUDA HIGH...WITH DEEP MOISTURE SLOWLY INCREASING AHEAD OF L/W TROUGH. WILL CONTINUE HIGH TERRAIN POPS AND WILL SPREAD CHC ACROSS THE ENTIRE FA SAT AND SUN. TEMPS INCREASED A FEW DEGREES IN AGREEMENT WITH CURRENT GUIDANCE. && .PRELIMINARY POINT TEMPS/POPS... GSP 61 84 61 81 / 30 10 10 30 AND 60 83 61 81 / 30 10 10 30 CLT 60 87 62 84 / 30 10 10 30 HKY 60 85 60 81 / 30 10 10 30 AVL 55 79 56 76 / 50 30 20 40 && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && NED/RAB
Hazardous weather outlook, May 9, 6:33 AM EDT, 10 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 633 AM EDT SUN MAY 9 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-091232- ABBEVILLE SC-ALEXANDER NC-ANDERSON SC-AVERY NC-BUNCOMBE NC-BURKE NC- CABARRUS NC-CALDWELL NC-CATAWBA NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-DAVIE NC-ELBERT GA-FRANKLIN GA-GASTON NC-GRAHAM NC- GREATER GREENVILLE SC-GREATER OCONEE SC-GREATER PICKENS SC- GREENVILLE MOUNTAINS SC-GREENWOOD SC-HABERSHAM GA-HART GA-HAYWOOD NC- HENDERSON NC-IREDELL NC-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL NC-MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC-POLK NC-RABUN GA-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SPARTANBURG SC-STEPHENS GA- SWAIN NC-TRANSYLVANIA NC-UNION SC-UNION NC-YANCEY NC-YORK SC- 633 AM EDT SUN MAY 9 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... SCATTERED THUNDERSTORMS WILL DEVELOP AGAIN TODAY. THERE IS A CHANCE THAT A FEW OF THE THUNDERSTORMS COULD PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED FOR A BRIEF TIME ACROSS PARTS OF THE REGION THIS AFTERNOON AND EVENING. MOORE
In the hours before
Special weather statement, May 9, 3:11 PM EDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 311 PM EDT SUN MAY 9 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-100400- ABBEVILLE SC-ALEXANDER NC-ANDERSON SC-AVERY NC-BUNCOMBE NC-BURKE NC- CABARRUS NC-CALDWELL NC-CATAWBA NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-DAVIE NC-ELBERT GA-FRANKLIN GA-GASTON NC-GRAHAM NC- GREATER GREENVILLE SC-GREATER OCONEE SC-GREATER PICKENS SC- GREENVILLE MOUNTAINS SC-GREENWOOD SC-HABERSHAM GA-HART GA-HAYWOOD NC- HENDERSON NC-IREDELL NC-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL NC-MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC-POLK NC-RABUN GA-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SPARTANBURG SC-STEPHENS GA- SWAIN NC-TRANSYLVANIA NC-UNION SC-UNION NC-YANCEY NC-YORK SC- 311 PM EDT SUN MAY 9 2004 ...STRONG THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING ACROSS WESTERN NORTH CAROLINA...NORTHEAST GEORGIA...AND THE UPSTATE OF SOUTH CAROLINA. A WARM...MOIST AND UNSTABLE AIR MASS WILL REMAIN OVER THE CAROLINAS THROUGH THE EVENING HOURS...WHICH WILL AIDE IN THE DEVELOPMENT OF STRONG SCATTERED THUNDERSTORMS. THE MAJORITY OF THESE STORMS WILL OCCUR ACROSS THE MOUNTAINS...BUT SCATTERED STORM FORMATION IS EXPECTED OVER THE FOOTHILL AND PIEDMONT REGIONS OF THE CAROLINAS AND NORTHEAST GEORGIA BY LATE AFTERNOON. THE MAIN THREAT FROM THESE STORMS INCLUDE LARGE HAIL AND STRONG WINDS. HOWEVER...DUE TO THE SLOW MOVING AND ALMOST STATIONARY NATURE OF THESE STORMS...FLASH FLOODING WILL BE POSSIBLE ALONG ISOLATED AREAS IN CLOSE PROXIMITY TO THESE STORMS. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE PROGRESS OF THIS DEVELOPING WEATHER SITUATION. KRENTZ
Local storm report, May 9, 4:01 PM EDT, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
401 PM EDT SUN MAY 09 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0352 PM HAIL 2 S DREXEL 35.73N 81.61W
05/09/2004 0.75 INCH BURKE NC TRAINED SPOTTER
&&
NEDLocal storm report, May 9, 5:12 PM EDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
512 PM EDT SUN MAY 09 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0505 PM HAIL STONY POINT 35.87N 81.05W
05/09/2004 1.25 INCH ALEXANDER NC PUBLIC
&&
SBKLocal storm report, May 9, 5:23 PM EDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
523 PM EDT SUN MAY 09 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0508 PM HAIL 1 E STONY POINT 35.87N 81.03W
05/09/2004 0.50 INCH IREDELL NC FIRE DEPT/RESCUE
&&
SBKNearby
Severe Thunderstorm Warnings in South Carolina, 2004Every severe thunderstorm warning in 2004
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.