Alert archive / South Carolina / Flash Flood Warnings in 2004
Flash Flood Warning 20, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jun 25, 2004, 9:37 PM 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 outline as issued.
The facts
- Issued
- Jun 25, 2004, 9:37 PM EDT (01:37 UTC)
- Expired
- Jun 26, 2004, 12:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Anderson County, SC
The radar
The Greer radar (KGSP), 58 km from the middle of the area, began a volume at 01:40 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 flash flood 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 00:00Z, 1.6 hours before the alert went out and 211 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
- 359 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KGSP 260140 FFWGSP SCC007-260430- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 937 PM EDT FRI JUN 25 2004 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 1230 AM EDT * AT 937 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SERIES OF STRONG THUNDERSTORMS STRETCHING FROM WILLIAMSTON TO ANDERSON TO THE GEORGIA STATE LINE...MOVING EAST AT 25 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TOWNVILLE...SANDY SPRINGS...AND BELTON. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 3453 8291 3431 8278 3452 8236 3478 8251 $$ HG
3 follow-up statements
000 WGUS72 KGSP 260240 FFSGSP SCC007-260430- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1032 PM EDT FRI JUN 25 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1230 AM EDT FOR ANDERSON COUNTY... AT 1030 PM EDT...DOPPLER RADAR INDICATED THAT THE HEAVIEST RAIN WAS ACROSS THE EASTERN HALF OF ANDERSON COUNTY...MOVING EAST AT 25 MPH. RADAR RAINFALL ESTIMATES THAT AS MUCH AS 2 AND 3 INCHES OF RAIN HAS FALLEN SINCE EARLY EVENING FROM NORTHERN ANDERSON WEST TO THE GEORGIA STATE LINE. SEVERE URBAN TYPE FLOODING HAS BEEN RECENTLY REPORTED ACROSS THE NORTHERN SIDE OF THE CITY OF ANDERSON. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 3453 8291 3431 8278 3452 8236 3478 8251 $$
000 WGUS72 KGSP 260355 FFSGSP SCC007-260430- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1150 PM EDT FRI JUN 25 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1230 AM EDT FOR ANDERSON COUNTY... AT 1150 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A NARROW LINE OF THUNDERSTORMS DEVELOPING JUST SOUTH OF INTERSTATE 85 FROM ANDERSON TO WILLIAMSTON. THESE THUNDERSTORMS ARE DEVELOPING IN A LOCATION WHICH HAS ALREADY RECEIVED 2 TO 3 INCHES OF RAIN IN THE PAST THREE HOURS...AND WHERE SIGNIFICANT FLOODING HAS ALREADY OCCURRED. ADDITIONAL RAINFALL AMOUNTS OF 1/2 TO 1 INCH ARE EXPECTED...AND THE FLOODING COULD WORSEN THROUGH 1230 AM BEFORE THE PRECIPITATION DISSIPATES. ADDITIONAL STREAMS AND CREEKS WILL LIKELY COME OUT OF THEIR BANKS AND SERIOUS ROAD FLOODING IS HIGHLY LIKELY. DO NOT TRAVEL IN THE WARNING AREA UNLESS ABSOLUTELY NECESSARY. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED STREETS. BE AWARE THAT FLOODED ROADWAYS ARE MUCH MORE DIFFICULT TO RECOGNIZE AT NIGHT. LAT...LON 3453 8291 3431 8278 3452 8236 3478 8251 $$ HG
000 WGUS72 KGSP 260437 FFSGSP SCC007-260445- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1230 AM EDT SAT JUN 26 2004 ...FLASH FLOOD WARNING ALLOWED TO EXPIRE AT 1230 AM EDT FOR ANDERSON COUNTY... AT 1230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PRODUCED FLASH FLOODING AROUND THE ANDERSON AREA HAD MOVED EAST TO THE GREENVILLE COUNTY LINE. ANDERSON COUNTY OFFICIALS REPORT NO ADDITIONAL FLOODING SINCE BEFORE MIDNIGHT...SO THE WARNING WILL BE ALLOWED TO EXPIRE. HIGH WATER MAY PERSIST FOR A TIME IN SOME LOCATIONS...ESPECIALLY ON THE NORTH SIDE OF THE CITY OF ANDERSON. USE CAUTION IF YOU MUST TRAVEL IN THIS AREA AND DO NOT ATTEMPT TO DRIVE THROUGH ANY FLOODED ROADWAYS. ADDITIONAL ISOLATED TO SCATTERED SHOWERS MAY REDEVELOP OVER ANDERSON THROUGHOUT THE EARLY MORNING HOURS...BUT RAINFALL RATES WITH THESE SHOWERS ARE EXPECTED TO BE MUCH LESS THAN THOSE ON FRIDAY EVENING. LAT...LON 3453 8291 3431 8278 3452 8236 3478 8251 $$ HG
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 Jun 25, 3:20 PM EDT, 6 hours 17 minutes earlier.
Area forecast discussion, Jun 25, 3:20 PM EDT, 6 hours 17 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 320 PM EDT FRI JUN 25 2004 .SHORT TERM... STRONG CONVECTION CONTINUES TO FIRE ALONG DIFFERENTIAL HEATING BOUNDARY/CONVERGENT AXIS ALONG THE I-85 CORRIDOR. THE ATMOSPHERE HAS BECOME QUITE UNSTABLE SOUTH OF THIS BOUNDARY...WHERE CAPES NOW EXCEED 2500 J/KG. MEANWHILE...FORECAST SOUNDINGS NORTH OF THE BOUNDARY INDICATE 0-3 KM HELICITY IN EXCESS OF 100 M2/S2. THIS HAS RESULTED IN MODERATE ROTATION IN STORMS WITH THE STRONGEST UPDRAFTS. ONE OF THE INTITIAL STORMS THAT DEVELOPED THIS AFTERNOON...WHICH WAS ONE OF THE WEAKER ROTATING STORMS OF THE DAY...MAY HAVE PRODUCED A WEAK TORNADO IN SOUTHERN ANDERSON COUNTY...SO ANY STORMS EXHIBITING MODERATE ROTATION WILL CONTINUE TO PEAK OUR INTEREST THIS EVENING. OTHERWISE...SURFACE FRONT IS PUSHING INTO EAST TENN AT THIS TIME... WITH WEAK SURFACE WAVE NOTED ALONG THE NORTHERN BORDER OF AL AND GA. THE HEAVIEST WARM CONVEYOR BELT PRECIP CONTINUES TO AFFECT MAINLY EAST TENN...AND THIS IS ACTUALLY BEGINNING TO SHIFT SLIGHTLY TO THE NORTH...AS COVERAGE HAS BEGUN TO DECLINE OVER SOUTHEAST TENNESSEE. THE MAIN AXIS OF HEAVY RAINFALL WILL CONTINUE TO DRIFT SLOWLY NORTH WITH THE FRONTAL WAVE THIS EVENING. MEANWHILE...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP IN THE UNSTABLE AIR ACROSS THE PIEDMONT AND FOOTHILLS. WE WILL CONTINUE TO CARRY CATEGORICAL POPS ACROSS ALL BUT THE SOUTHERN TIER OF COUNTIES...WHERE HIGH LIKELIES SHOULD SUFFICE. AS FAR AS THE FLOOD WATCH...ALTHOUGH THE WATCH AREA MAY BE BETWEEN MAXIMA IN RAINFALL... WITH HEAVIER CONVEYOR BELT PRECIP TO OUR WEST...AND CONVECTIVE RAINFALL EAST OF THE BLUE RIDGE...RAIN RATES MAY ACTUALLY INCREASE IN THE WATCH AREA AS THE WEAKENING SURFACE WAVE RIDES UP THE WESTERN SLOPES. CONSIDERING THE LOW FFG VALUES...WILL LEAVE THE WATCH IN PLACE THROUGH MIDNIGHT. THE FRONT WILL MOVE SLOWLY INTO THE AREA TONIGHT...AND WILL RETAIN CHANCE POPS THROUGH THE OVERNIGHT. TOMORROW...THE FRONT IS EXPECTED TO HANG UP JUST SOUTH OF THE AREA...AND WILL CARRY CHANCE POPS ACROSS THE SOUTHERN HALF OF THE CWFA...WITH SILENT 20S NORTH. THE FRONT IS EXPECTED TO REMAIN NEAR OR JUST SOUTH OF THE AREA THROUGH EARLY NEXT WEEK...POSSIBLY OSCILLATING NORTH AND SOUTH FROM TIME TO TIME...SO WILL MAINTAIN CHANCE POPS THROUGH EARLY NEXT WEEK...WITH HIGHEST POPS ACROSS THE SOUTHERN CWFA. LANE && .LONG TERM... WED-FRI...ACTIVE AND MOIST WEATHER PATTERN LOOKS TO CONTINUE THROUGH LATE NEXT WEEK. STUBBORN AND STRONG WESTERN BLOCKING RIDGE SHOULD REMAIN THROUGH THE PERIOD AND ALLOW AN UNSEASONABLY COOL HUDSON LOW TO REINFORCE ITSELF. BASED ON LATEST GFS...BERMUDA HIGH IS EXPECTED TO REMAIN IN ITS USUAL POSITION...ALBEIT WEAKER THAN NORMAL. THIS SHOULD PERMIT A COUPLE COLD FRONTS TO PUSH INTO THE REGION AND BECOME STATIONARY SOMEWHERE ACROSS THE CAROLINAS. SO...WITH A SUMMERTIME MOISTURE FEED CONTINUING ACROSS THE SOUTHEAST AND LOW LEVEL FORCING REMAINING HIGH...WILL FORECAST POPS EACH DAY. KEPT MAX TEMPS AT OR A LITTLE BELOW CLIMO...BASED ON CONTINUOUS CLOUD COVER AND SLIGHT AIR MASS MIXING EXPECTED. SBK && .AVIATION... NUMEROUS SHOWERS AND THUNDERSTORMS DEVELOPING ACROSS THE PIEDMONT AND FOOTHILLS WILL REQUIRE COMBINATION OF TEMPO GROUPS FOR TSRA AND VCTS TO HANDLE TIMING OF MORE SIGNIFICANT WEATHER. LOW CLOUD CEILINGS SHOULD BE VFR EXCEPT IN THUNDERSTORMS. CONVECTIVE ACTIVITY MAY NOT DIMINISH UNTIL MIDNIGHT OR THEREABOUTS...AFTER WHICH MVFR VISIBILITY AND CEILING SHOULD DEVELOP WITH ABUNDANT MOISTURE IN PLACE ALONG AND TO THE SOUTH OF NEARLY STATIONARY FRONT...WHICH SHOULD MOVE SOUTH OVERNIGHT ACROSS THE REGION. VISIBILITY SHOULD IMPROVE IN THE 12Z-15Z TIME FRAME AS WINDS COME AROUND TO N OR NE DIRECTION BEHIND FRONT...BUT WILL RETAIN MVFR CEILING THROUGH THE REMAINDER OF THE TAF PERIOD OWING TO EXTENSIVE CLOUDINESS SEEN NEAR BOUNDARY. MOORE && .PRELIMINARY POINT TEMPS/POPS... GSP 68 85 67 84 / 60 30 30 30 AND 69 86 68 85 / 60 30 30 40 CLT 69 85 66 83 / 60 30 30 30 HKY 67 83 62 80 / 60 30 20 20 AVL 64 81 61 78 / 60 30 20 30 && .GSP WATCHES/WARNINGS/ADVISORIES... GA...FLASH FLOOD WATCH UNTIL MIDNIGHT GAZ010-017. NC...FLASH FLOOD WATCH UNTIL MIDNIGHT NCZ033>034-048>055-058>059-062>067. SC...FLASH FLOOD WATCH UNTIL MIDNIGHT SCZ001>003. &&
Hazardous weather outlook, Jun 25, 5:41 AM EDT, 15 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 541 AM EDT FRI JUN 25 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-260939- 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- 541 AM EDT FRI JUN 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... WIDESPREAD SHOWERS AND THUNDERSTORMS WILL BRING PERIODS OF HEAVY RAINFALL TO NORTHEAST GEORGIA AND THE WESTERN CAROLINAS. RAINFALL TOTALS ARE EXPECTED TO RANGE FROM 1 INCH OVER THE PIEDMONT TO LOCATION OF 3 TO 4 INCHES OVER THE EASTERN SLOPES OF THE MOUNTAINS. PLEASE SEE THE LATEST FLOOD WATCH (CAEFFAGSP) FOR ADDITIONAL DETAILS. IN ADDITION...SOME OF THE THUNDERSTORMS MAY PRODUCE DAMAGING WIND GUSTS. PLEASE SEE THE LATEST SEVERE WEATHER OUTLOOK (CAESPSGSP) FOR DETAILS. .DAYS TWO THROUGH SEVEN... ISOLATED TO SCATTERED THUNDERSTORMS WILL LINGER THROUGH THE REST OF THE FORECAST PERIOD...ESPECIALLY IN THE AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING. NED
In the hours before
Local storm report, Jun 25, 6:20 PM EDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
620 PM EDT FRI JUN 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0613 PM TORNADO ANDERSON 34.52N 82.65W
06/25/2004 ANDERSON SC LAW ENFORCEMENT
COUNTY SHERIFFS OFFICE RELAYED A PUBLIC REPORT OF A
POSSIBLE TORNADO TOUCHDOWN ON ROUTE 76.
&&
HGLocal storm report, Jun 25, 7:36 PM EDT, 2 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
736 PM EDT FRI JUN 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0725 PM FLASH FLOOD CLARKESVILLE 34.61N 83.52W
06/25/2004 HABERSHAM GA COUNTY OFFICIAL
COUNTY 911 REPORTS SEVERAL CREEKS OVERFLOWING THEIR BANKS
AND ONE OVER A ROADWAY IN THE CITY LIMITS.
&&
HGLocal storm report, Jun 25, 8:42 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
842 PM EDT FRI JUN 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0825 PM FLASH FLOOD 5 W CLARKESVILLE 34.61N 83.61W
06/25/2004 HABERSHAM GA COUNTY OFFICIAL
COUNTY 911 REPORTS A CREEK FLOODING ONTO ROUTE 115 IN
FAIRVIEW.
&&
HGLocal storm report, Jun 25, 9:20 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
920 PM EDT FRI JUN 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0917 PM TSTM WND DMG 5 WSW ANDERSON 34.49N 82.73W
06/25/2004 ANDERSON SC OTHER FEDERAL
ANDERSON FLIGHT SERVICE RELAYS THAT AN OFF DUTY EMPLOYEE
REPORTED TWO TREES AND SWIMMING POOL DIVING BOARD DAMAGED
ON TENISULA ROAD.
&&
HGLocal storm report, Jun 25, 9:20 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
920 PM EDT FRI JUN 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0905 PM TSTM WND DMG 5 WSW ANDERSON 34.49N 82.73W
06/25/2004 ANDERSON SC OTHER FEDERAL
ANDERSON FLIGHT SERVICE RELAYS THAT AN OFF DUTY EMPLOYEE
REPORTED TWO TREES AND SWIMMING POOL DIVING BOARD DAMAGED
ON TENISULA ROAD.
&&
HGLocal storm report, Jun 25, 9:31 PM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
931 PM EDT FRI JUN 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0900 PM TSTM WND DMG 8 WSW ANDERSON 34.47N 82.78W
06/25/2004 ANDERSON SC BROADCAST MEDIA
WYFF TV RELAYED PUBLIC REPORT OF SEVERAL LAWN CHAIRS
LIFTED INTO THE AIR AND TOP OF BRADFORD PEAR BROKEN OFF.
PERSON SAW SOME ROTATION IN STORM.
&&
LAMBThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 10:35 PM EDT | Flash Flood Warning | GSP | Oconee, Pickens | 3 hr |
| Jun 25, 11:25 PM EDT | Flash Flood Warning | GSP | Greenville | 3 hr |
Nearby
Flash Flood Warnings in South Carolina, 2004Every flash flood 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.