Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 124, NWS Greenville-Spartanburg, SC

August 17, 2003Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 17, 2003, 5:55 PM EDT for Rowan County, North Carolina. It was in force for 110 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
Aug 17, 2003, 5:55 PM EDT (21:55 UTC)
Expired
Aug 17, 2003, 7:45 PM EDT
In force
110 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Rowan County, NC

The radar

The Roanoke radar (KFCX), 162 km from the middle of the area, began a volume at 21:57 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.

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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.9 hours before the alert went out and 77 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2003-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 994 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2003-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
994 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1043 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KGSP 172156
FFWGSP
NCC159-172345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
555 PM EDT SUN AUG 17 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 745 PM EDT

* AT 545 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY       
  HEAVY RAIN OVER SOUTH CENTRAL ROWAN COUNTY. THE HEAVIEST RAIN
  HAD FALLEN NEAR THE CABARRUS COUNTY LINE...FROM ALONG RIMER 
  TOWN ROAD NORTHEAST TO SHIVES ROAD...AND WEST TO OLD CONCORD
  ROAD. RADAR ESTIMATED AS MUCH AS 3 TO 4 INCHES OF RAIN
  HAD FALLEN IN THIS AREA...CENTERED ABOUT 5 MILES SOUTH OF
  SHUPINGS MILL.

* RAINFALL WILL GRADUALLY SHIFT SOUTHWARD INTO CABARRUS COUNTY...
  BUT MANY STREAMS AND CREEKS IN EXTREME SOUTHERN ROWAN COUNTY
  WILL COME CLOSE TO ESCAPING THEIR BANKS...POSSIBLY FLOODING
  ROADS AND THREATENING PROPERTY. STANDING WATER AND PONDING
  OF WATER IN POOR DRAINAGE AREAS IS LIKELY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE 
SAFELY DRIVEN THROUGH FLOOD WATERS.

TO REPORT FLOODING HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.

LAT...LON 3563 8042 3550 8040 3551 8060 3562 8062

$$
BURRUS
2 follow-up statements
000 
WGUS72 KGSP 172244
FFSGSP
NCC159-172345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
636 PM EDT SUN AUG 17 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 745 PM EDT FOR SOUTH 
CENTRAL ROWAN COUNTY...

AT 635 PM...WEATHER RADAR SHOWED SHOWERS WEAKENING OVER SOUTHERN 
ROWAN COUNTY. RADAR ALSO SHOWED THUNDERSTORMS MOVING STEADILY 
SOUTHWARD ALONG AND EAST OF INTERSTATE 77 THAT WILL MOVE INTO ROWAN 
COUNTY LATER.

A WEATHER SPOTTER REPORTED NUMEROUS ROADS CLOSED OR COVERED BY WATER 
IN A SMALL AREA OF SOUTH CENTRAL ROWAN COUNTY...CENTERED ABOUT 5 
MILES SOUTH OF SHUPINGS MILL. COUNTY OFFICIALS CONFIRMED OLD BEATTY 
FORD AND OLD CONCORD ROADS HAVE BEEN CLOSED BECAUSE OF HIGH WATER. 
SHUPINGS MILL ROAD ALSO HAD A LOT OF WATER COVERING THE ROADWAY. 
JENNIE WOLF CREEK CAME OUT OF ITS BANKS AND FLOODED PART OF CARTER 
LOOP ROAD.

STREAMS AND CREEKS SHOULD RECEDE THROUGH MID EVENING AND THE WATER 
AFFECTING NUMEROUS ROADS NOW SHOULD GRADUALLY LOWER THROUGH MID 
EVENING. HOWEVER...WATER LEVELS COULD RISE RAPIDLY AGAIN...AS STORMS 
APPROACH THIS FLOOD AREA FROM THE NORTH LATER THIS EVENING.

DO NOT BECOME A FATALITY DO NOT CROSS FLOODED ROADS...THE ROAD COULD
BE WASHED OUT FROM THE FLOW OF THE WATER...AND YOUR CAR COULD BE
SWEPT AWAY BY THE SWIFTLY MOVING WATER.

$$
BURRUS
000 
WGUS72 KGSP 172351
FFSGSP
NCC159-180045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
753 PM EDT SUN AUG 17 2003

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR SOUTH CENTRAL 
ROWAN COUNTY HAS EXPIRED AS OF 745 PM EDT...

AT 750 PM...WEATHER RADAR SHOWED ONLY A FEW PATCHES OF LIGHT RAIN 
OVER NORTHERN ROWAN COUNTY. RAINFALL HAD ENDED...TEMPORARILY...IN 
SOUTH CENTRAL ROWAN COUNTY...WHERE NEARLY 4 TO 6 INCHES OF RAIN 
CLOSED SEVERAL ROADS BETWEEN SHUPINGS MILL AND THE BORDER WITH 
CABARRUS COUNTY. RADAR ALSO INDICATED A LINE OF STRONG SHOWERS AND 
THUNDERSTORMS...ASSOCIATED WITH HEAVY RAINFALL...MOVING SOUTH TOWARD 
ROWAN COUNTY ALONG AND EAST OF INTERSTATE 77.

SHUPINGS MILL...OLD BEATTY FORD...AND OLD CONCORD ROADS REMAINED 
CLOSED BECAUSE OF HIGH WATER. MANY OTHER ROADS IN SOUTH CENTRAL 
ROWAN COUNTY HAD AREAS WHERE WATER COVERED THE ROADWAY. JENNIE WOLF 
CREEK WAS STILL OUT OF ITS BANKS. WATER LEVELS WERE RECEDING.

THE WARNING HAD BEEN ALLOWED TO EXPIRE...DUE TO ABSENCE OF ANY 
RAINFALL IN THE FLOOD WARNING AREA. HOWEVER...WARNINGS MAY BE
NEEDED ONCE AGAIN IF FLOODING REDEVELOPS OR WORSENS AS THE NEXT 
ROUND OF STORMS AFFECTS THE REGION THROUGH LATE EVENING.

DO NOT BECOME A FATALITY DO NOT CROSS FLOODED ROADS...THE ROAD COULD
BE WASHED OUT FROM THE FLOW OF THE WATER...AND YOUR CAR COULD BE
SWEPT AWAY BY THE SWIFTLY MOVING WATER.

$$
BURRUS

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 Aug 17, 2:41 PM EDT, 3 hours 14 minutes earlier.

Area forecast discussion, Aug 17, 2:41 PM EDT, 3 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
241 PM EDT SUN AUG 17 2003

EAST COAST UPPER TROUGH TO PERSIST THROUGH MON...THEN WILL START
PROGRESSING E. BY WED UPPER RIDGE LOCATED OVER OH VALLEY WITH WEAK
LOW SOMEWHERE IN DEEP S. COLD FRONT TO DROP S INTO AREA ACCOMPANIED
BY STRONG SHORTWAVE. WILL CARRY AFTERNOON CONVECTION OVER INTO
EVENING AS LIKEY POPS. WITH SLOW PROGRESS TO FRONT...HAVE SLIGHT
CHANCE POP OVERNIGHT. FRONT SLOW TO PUSH S...AND ENOUGH MOISTURE AND
INSTABILITY REMAIN FOR SLIGHT CHANCE POPS TUE-THU.

BY FRI ANOTHER E COAST TROUGH IS CARVED OUT AS OH VALLEY RIDGE
PROGRESSES. MOISTURE INCREASES IN ADVANCE OF ANOTHER COLD
FRONT...AND HAVE ADDED CHANCE POPS TO FRI. COLD FRONT CROSSES AREA
SAT...WITH ANOTHER DAY OF CHANCE POPS. FRONT SLOWS JUST SE OF AREA
SUN...WITH ENOUGH MOISTURE TO WARRANT SLIGHT CHANCE POPS.

NOT MUCH TEMPERATURE OR DEW POINT CHANGE THIS PACKAGE...AS COOLING
BEHIND FRONTS ALMOST NEGLIGIBLE. TEMPERATURES BASICALLY NEAR
CLIMATIC NORMALS...WITH A SLIGHT DROP OFF LATE IN WEEK.

FCSTID =    7
GSP   70  89  68  88 /  60  30  30  20
AND   70  90  69  89 /  60  30  30  20
CLT   70  89  69  88 /  60  30  30  20
HKY   69  88  67  87 /  60  30  30  20
AVL   64  85  64  83 /  60  30  30  20

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

O7
Hazardous weather outlook, Aug 17, 5:45 AM EDT, 12 hours 10 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-171145-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
545 AM EDT SUN AUG 17 2003

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

.DAY ONE...TODAY

A COLD FRONT WILL MOVE SLOWLY TOWARD THE WESTERN CAROLINAS AND
NORTHEAST GEORGIA TODAY. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY
THIS FRONT INTO THE AREA. SOME OF THESE STORMS COULE PRODUCE SEVERE
WEATHER AND LOCALIZED FLASH FLOODING. PLEASE SEE THE SEVERE WEATHER
OUTLOOK...CAESPSGSP FOR FURTHER INFORMATION.

.DAYS TWO THROUGH SEVEN...

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ON MONDAY. A
FEW SEVERE STORMS WILL BE POSSIBLE. THE REMAINDER OF THE WEEK IS
EXPECTED TO BE DRIER...WITH NO MORE THAN ISOLATED SHOWERS AND
THUNDERSTORMS EXPECTED THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY.

LANE

In the hours before

Special weather statement, Aug 17, 3:32 PM EDT, 2 hours 23 minutes before
GAZ010-017-018-026-028-029-SCZ011-012-019-180000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
332 PM EDT SUN AUG 17 2003

...SEVERE THUNDERSTORM THREAT BECOMING MORE LIKELY FOR NORTHEAST
GEORGIA AND THE LOWER PIEDMONT IN SOUTH CAROLINA...

SEVERE THUNDERSTORM WATCHES HAVE ALREADY BEEN ISSUED FARTHER NORTH.
ISOLATED TO SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER
UPSTATE SOUTH CAROLINA AND NORTHEAST GEORGIA LATE THIS AFTERNOON.
SOME OF THESE MAY BECOME SEVERE...PRODUCING LARGE HAIL AND DAMAGING
WIND GUSTS.  ALSO...LOCALLY EXCESSIVE RAINFALL MAY OCCUR...CAUSING
URBAN OR FLASH FLOODING.

AN EVEN BETTER CHANCE OF ORGANIZED SEVERE WEATHER MAY COME LATER IN
THE EVENING...WHEN LINES OR CLUSTER OF STORMS ARE EXPECTED TO MOVE
THROUGH.

STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST WEATHER
INFORMATION OR SEVERE WEATHER WATCHES OR WARNINGS.

JONES
Special weather statement, Aug 17, 4:18 PM EDT, 1 hour 37 minutes before
NCZ068>071-SCZ009-172119-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
418 PM EDT SUN AUG 17 2003

...STRONG THUNDERSTORMS TO AFFECT LAKE NORMAN AND THE CHARLOTTE
METRO AREA...

AT 415 PM EDT...WEATHER SERVICE RADAR SHOWED A CLUSTER OF STRONG
THUNDERSTORMS OVER EASTERN LINCOLN COUNTY...MOVING SOUTHEAST AT 25
MPH. THROUGH 5 PM...THESE STORMS WILL AFFECT THE SOUTHERN PART OF
LAKE NORMAN AS WELL AS INTERSTATE 77 BETWEEN HUNTERSVILLE AND
CHARLOTTE. ANOTHER CLUSTER OF STRONG STORMS WILL AFFECT THE
SOUTHEAST PART OF CLEVELAND COUNTY...BETWEEN SHELBY AND KINGS
MOUNTAIN.

BOTH OF THESE CLUSTERS OF STRONG THUNDERSTORMS WILL BE
CAPABLE OF PRODUCING WINDS OF UP TO 55 MPH...CONTINUOUS CLOUD TO
GROUND LIGHTNING...SMALL HAIL AND TORRENTIAL RAIN. IF THE STORMS
BECOME A LITTLE STRONGER...WARNINGS WILL BE NEEDED.

MCAVOY
Local storm report, Aug 17, 4:46 PM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
446 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

410 PM     7 E LINCOLNTON            NC   WIND DAMAGE
08/17/03   LINCOLN                        TRAINED HAM SPOTTER
                                          REPORTED TWO TREES DOWN
                                          ON HWY 150...ONE 18 IN
                                          DIAMETER AND THE OTHER
                                          ABOUT 12.

415 PM     3 E CHERRYVILLE           NC   NON-SVR REPORT
08/17/03   GASTON                         HAM REPORTED 45-50 MPH
                                          WIND GUST...TORRENTIAL
                                          RAIN PARTIALLY IMPEDING
                                          TRAFFIC AND FREQUENT
                                          LIGHTNING.

LAMB
Local storm report, Aug 17, 5:07 PM EDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
507 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

448 PM     WACO                      NC   WIND DAMAGE
08/17/03   CLEVELAND                      EMERGENCY PERSONNEL
                                          REPORTED TREES DOWN.

459 PM     SHELBY                    NC   WIND DAMAGE
08/17/03   CLEVELAND                      EMERGENCY PERSONNEL
                                          REPORTED TREES DOWN.

RB
Local storm report, Aug 17, 5:08 PM EDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
508 PM EDT SUN AUG 17 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

450 PM     BELWOOD                   NC   1.75 INCH HAIL
08/17/03   CLEVELAND                      SPOTTER REPORTED GOLFBALL
                                          SIZE HAIL AND 40 MPH WIND
                                          GUST.

LAMB

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 4:44 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln61 min
Aug 17, 5:02 PM EDTFlash Flood WarningGSPCleveland118 min
Aug 17, 7:50 PM EDTSevere Thunderstorm WarningGSPDavie40 min

Nearby

Flash Flood Warnings in North Carolina, 2003Every flash flood warning in 2003

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.