North Carolina, 2004

Flood in North Carolina, September 2, 2004

September 2, 2004 · NWS GSP · 1 event in 1 county or zone

1 flood, as filed by the National Weather Service.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Sep 2, 10:26 AM EST, 19 minutes earlier.

Area forecast discussion, Sep 2, 10:26 AM EST, 19 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1126 AM EDT THU SEP 2 2004

.SHORT TERM (REST OF TODAY)...
LOOP OF VISIBLE SATELLITE IMAGERY TELLS MOST OF THE STORY ACROSS OUR
AREA THIS MORNING. LOW STRATUS DECK IS PROGRESSIVELY ERODING TO THE
SOUTHWEST AS DRIER BOUNDARY LAYER AIR FILTERS IN FROM CENTRAL NC.
THIN VEIL OF HIGHER CLOUDS CONTINUES TO STREAM NORTHWARD IN
ASSOCIATION WITH ISENTROPIC UPGLIDE FROM SWLY FLOW ABOVE 8 KFT. ALL
SHORT-RANGE MODELS...INCLUDING THE RUC...MESOETA AND GFS...AGREE ON
REINFORCED WEDGING THIS AFTERNOON BUT DECREASING LLVL MOISTURE THRU
THE AFTERNOON.
THE TRIGGER FOR PRECIPITATION SHOULD SLOWLY SHIFT FROM THE BLUE
RIDGE ESCARPMENT TO THE UPSTATE OF SC AND NORTHEAST GEORGIA...AS THE
SOUTHERLY FLOW ALOFT BECOMES THE MAIN SOURCE OF MOISTURE. HAVE
REWORKED THE POP GRIDS TO SLOWLY TAPER POPS OFF FROM THE EAST TO
THE WEST...KEEPING A GOOD CHANCE ACROSS UPSTATE AND NORTHEAST
GEORGIA SECTIONS THROUGH MID AFTERNOON. SKY GRIDS HAVE ALSO BEEN
TWEAKED TO KEEP COVERAGE HIGH THROUGH THE DAY. MADE SOME CHANGES TO
MAX TEMPS BASED ON AREAS EXPECTED TO BREAK OUT OF CLOUDS ENOUGH TO
WARM A BIT MORE.
FLASH FLOOD WATCH WAS LEFT IN PLACE UNTIL 4 PM FOR ALL ORIGINAL
COUNTIES.
&&

.PREVIOUS DISCUSSION...
THE FOLLOWING WAS ORIGINALLY ISSUED AT 242 AM EDT THU SEP 2 2004

SHORT TERM (TODAY THROUGH SATURDAY NIGHT)...
UPPER LEVEL RIDGING TO PERSIST THROUGH SATURDAY...WHILE AT SURFACE
AN EASTERLY LOW LEVEL FLOW COMPONENT PERSISTS. MOISTURE BEING
ADVECTED UP BLUE RIDGE ESCARPMENT...WHILE CONVECTIVE COMPLEX IN N GA
MOVES N INTO UPPER SAVANNAH RIVER VALLEY TOWARD HIGHER TERRAIN. WILL
EXPAND FLASH FLOOD WATCH TO COVER ENTIRE ESCARPMENT AND MOST OF
UPPER SAVANNAH RIVER VALLEY...AND RUN THROUGH AFTERNOON TO COVER
RUNOFF. CATEGORICAL POPS IN W TODAY TAPERING TO LOW CHANCE E WHERE
DRIER AIR WILL MOVE IN FROM NE TOWARD MID DAY. ETA SLOWER THAN GFS
TO DRY OUT...AND HAVE COMPROMISED WITH A SLIGHTLY WETTER AFTERNOON
AND EARLY EVENING TO SLIGHT CHANCE E. BY LATE EVENING DRY/STABLE AIR
MOVE SE ACROSS AREA...LINGERING UNTIL SAT WHEN GRADIENT BETWEEN
HURRICANE FRANCES AND SURFACE RIDGE TO NE TIGHTENS...DRIVING
MOISTURE E FROM PIEDMONT TO MOUNTAINS. TEMPERATURES AND DEW POINTS
RATHER LOW AS COOL/DRY AIR MOVES SW ACROSS AREA. DEW POINTS BEGIN TO
RECOVER SAT.

LONG TERM (SUNDAY THROUGH WEDNESDAY)...
EASTERLY FLOW AT LOW LEVELS...BETWEEN SURFACE RIDGE MOVING OFF NEW
ENGLAND COAST AND THE APPROACHING HURRICANE FRANCES...WILL PUMP
ATLANTIC MOISTURE UP THE EAST SLOPES OF THE APPALACHIANS SATURDAY
AND SUNDAY. EXPECT SCATTERED SHOWERS TO DEVELOP AT ANY TIME IN THE
PERIOD FROM MECHANICAL FORCING. TEMPS ARE CLOSE TO NEW GUIDANCE SO
EXPECT ONLY MINOR CHANGES.

FRANCES REMAINS THE PRIMARY CONCERN. MOST RECENT HPC MEDIUM RANGE
GUIDANCE IS SLOWER AND FARTHER WEST...BUT AGAIN...THERE REMAINS MUCH
UNCERTAINTY. PLEASE REFER TO THE OFFICIAL FORECAST FROM THE NATIONAL
HURRICANE CENTER FOR OFFICIAL TRACK INFORMATION. THE MEDIUM RANGE
GRIDS WILL REFLECT THE PASSAGE OF THE REMNANTS OF FRANCES ACROSS THE
WESTERN TIP OF NC TUESDAY EVENING AND NERN TN TUESDAY NITE. A MORE
WESTERN TRACK WOULD BRING MORE OF A SEVERE WEATHER/HEAVY RAIN
THREAT. WITH THAT IN MIND...HAVE STARTED TO RAMP UP POP HIGHER IN
THE CHANCE RANGE STARTING LATE MONDAY...AND HAVE EXTENDED POP THRU
DAY 6. HAVE RAISED MIN TEMPS A CATEGORY SUNDAY NIGHT AND LOWERED A
CATEGORY FOR MAX TEMPS MONDAY OWING TO MORE CLOUDS/PRECIP EXPECTED.
NEEDLESS TO SAY...EXPECT CHANGES.

AVIATION...
LATEST ROUND OF COLD AIR DAMMING WILL RESULT IN STRENGTHENING
UPSLOPE FLOW ACROSS THE FOOTHILLS...PIEDMONT AND EASTERN MOUNTAINS.
SOME DRYING WL BEGIN TO ENTER THE NC ZONES TOWARD MORNING. AS A
RESULT...THE MAV MOS HAS CIGS LOWERING TO LESS THAN 1000 FEET ACROSS
THE UPSTATE AND THE NC MTNS...WHILE IT ONLY HAS VFR CIGS FARTHER
INTO THE WEDGE AT KHKY AND KCLT. HAVE FOLLOWED THIS SOLUTION FAIRLY
CLOSELY...THOUGH I DIDN/T TAKE CIGS DOWN QUITE AS QUICKLY ACROSS THE
UPSTATE...THOUGH AS I TYPE IT LOOKS LIKE THE IFR CIGS ARE INDEED
SETTING UP EARLY ACROSS THE UPSTATE. ALSO HAVE A BRIEF PERIOD OF
LOWER CIGS AT CLT AROUND SUNRISE. FOR NOW HAVE TEMPO SHRA AT KGSP
AND KAND...THEN ONLY VCSH INTO THE EARLY AFTN AS EASTERLY UPSLOPE WL
KEEP SHRA/TSRA GOING. WITH DRIER AIR FILTERING IN FROM THE NE...DO
NOT HAVE ANY CONVECTIVE WORDING AT KCLT TDA.
&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLASH FLOOD WATCH FOR ZONES GAZ010-017-018-026-028 UNTIL 4 PM
     EDT.
NC...FLASH FLOOD WATCH FOR ZONES NCZ033-034-049-050-053>055-
     059-062>067 UNTIL 4 PM EDT.
SC...FLASH FLOOD WATCH FOR ZONES SCZ001>006-010 UNTIL 4 PM EDT.
&&

SHORT TERM (UPDATE)...LAMB
Hazardous weather outlook, Sep 2, 4:23 AM EST, 6 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
523 AM EDT THU SEP 2 2004

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-030922-
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-
523 AM EDT THU SEP 2 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA...
UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA.

.DAY ONE...
A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR THE BLUE RIDGE ESCARPMENT
IN WESTERN NORTH CAROLINA...THE WESTERN UPSTATE OF SOUTH
CAROLINA...AND MOST OF EXTREME NORTHEAST GEORGIA. THIS MORNING
THUNDERSTORMS WILL NUMEROUS IN THE MOUNTAINS...SCATTERED IN THE
FOOTHILLS AND PIEDMONT AND ISOLATED EAST OF INTERSTATE 77.
THUNDERSTORMS WILL GRADUALLY DIMINSH THIS AFTERNOON...BECOMING
SCATTERED WEST OF INTERSTATE 77 BY EARLY EVENING.

.DAYS TWO THROUGH SEVEN...
SCATTERED THUNDERSTORMS ARE EXPECTED SATURDAY THROUGH WEDNESDAY.
HURRICANE FRANCES IS EXPECTED TO CROSS FLORIDA ON SATURDAY AND
SUNDAY...REACHING NORTHEAST ALABAMA BY EARLY TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

07

In the hours before

Special weather statement, Sep 2, 8:21 AM EST, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
921 AM EDT THU SEP 2 2004

NCZ034-054-055-065>067-SCZ003-006-007-012-013-019-021521-
BURKE NC-CALDWELL NC-GREATER GREENVILLE SC-GREENVILLE MOUNTAINS SC-
GREENWOOD SC-HENDERSON NC-LAURENS SC-MCDOWELL NC-POLK NC-
RUTHERFORD NC-SPARTANBURG SC-UNION SC-
921 AM EDT THU SEP 2 2004

...MODERATE TO HEAVY RAIN TO AFFECT CENTRAL UPSTATE SOUTH CAROLINA AS
WELL AS THE SOUTHERN FOOTHILLS AND SOME OF THE SOUTHERN MOUNTAINS OF
NORTH CAROLINA...

AT 920 AM...WEATHER RADAR SHOWED SHOWERS...AND ISOLATED
THUNDERSTORMS...INCREASING IN COVERAGE ACROSS THE WESTERN CAROLINAS
AND NORTHEAST GEORGIA. TWO MAIN BATCHES WITH FLOOD POTENTIAL WERE
NOTED. ONE WAS ACROSS UPSTATE SOUTH CAROLINA BETWEEN EASLEY AND
GREENVILLE...THEN SOUTH TO VERDERY...GREENWOOD AND COKESBURY. THIS
BATCH WILL LIFT SLOWLY NORTHEAST...AFFECTING TRAVELERS REST...THE
GREENVILLE MOUNTAINS...AND LAURENS...UNION AND LOCATIONS AS FAR NORTH
AS SPARTANBURG. RAINFALL COULD APPROACH TWO INCHES THROUGH LATE
MORNING.

THE SECOND BATCH ON RADAR WAS MOVING SLOWLY NORTHWARD ACROSS THE
SOUTHERN MOUNTAINS BETWEEN BREVARD AND HENDERSONVILLE...AND EXTENDED
EAST TO COLUMBUS...TRYON AND FOREST CITY. THIS SECOND AREA OF RAIN
WILL LIFT NORTHWARD AND EXPAND...BRINGING ANOTHER ROUND OF MODERATE
TO HEAVY RAIN TO THE NORTHERN FOOTHILLS...WHERE SCATTERED FLOODING
OCCURRED OVERNIGHT.

PONDING OF WATER ON ROADS...AND POOR DRAINAGE AREAS...IS LIKELY TO
OCCUR THROUGH EARLY AFTERNOON IN LOCATIONS THAT WILL EXPERIENCE THESE
SLOW-MOVING SHOWERS AND ISOLATED STORMS. MODEST RISES CAN BE EXPECTED
ON STREAMS AND CREEKS...AND SOME OF THE SHALLOWER WATERWAYS MAY
RECEIVE ENOUGH RAIN TO ESCAPE THEIR BANKS AND POSSIBLY FLOOD ROADS.
THE NATIONAL WEATHER SERVICE WILL MONITOR WATER LEVELS CLOSELY
THROUGH THE AFTERNOON. WARNINGS COULD BE NEEDED LATER.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE NORTHERN
MOUNTAINS...NORTHERN FOOTHILLS AND SOME OF THE UPSTATE OF SOUTH
CAROLINA. THERE IS A POSSIBILITY THE WATCH COULD BE EXPANDED IN SPACE
OR TIME LATER TODAY.

Event by event

1 flood. Local standard time, as filed.

Flood, Caldwell

When
September 2, 10:45 AM EST to 2:00 PM EST
Where
Caldwell forecast zone
Reported by
EMERGENCY MANAGER

Water from heavy rain that developed over the higher terrain on the night of the 1st gradually worked its way down the Johns River and its tributaries, resulting in flooding in the Colletesville area on the morning of the 2nd. High water covered several roads.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in North Carolina in 2004Every state in 2004This day in weather historyWarnings in North Carolina, September 2004

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5423028.