Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 122, NWS Greenville-Spartanburg, SC

August 16, 2003Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 16, 2003, 5:38 PM EDT for Union County, North 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
Aug 16, 2003, 5:38 PM EDT (21:38 UTC)
Expired
Aug 16, 2003, 8:30 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Union County, NC

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, 9.6 hours before the alert went out and 134 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 2003-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1094 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 2003-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939Sfc1 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
1094 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
880 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
-33 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 162138
FFWGSP
NCC179-170030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
538 PM EDT SAT AUG 16 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 830 PM EDT

* AT 535 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED CLUSTERS 
  OF THUNDERSTORMS OVER UNION COUNTY. ONE BATCH WAS SINKING SOUTH 
  FROM THE AREA OF NEW SALEM TOWARDS STURDIVANTS AND MARSHVILLE.
  THE OTHER BATCH WAS AFFECTING FLOOD PRONE AREAS OF WESTERN UNION COUNTY
  BETWEEN WAXHAW AND INDIAN TRAIL...INCLUDING IN WEDDINGTON. THE 
  STORMS WERE DRIFTING SLOWLY TO THE SOUTHEAST.

* RADAR ESTIMATED BETWEEN 2 AND 3 INCHES OF RAIN HAD FALLEN IN 
  THE VICINITY OF NEW SALEM...AND MANY STREETS WERE COVERED BY
  WATER. STREAMS AND CREEKS ACROSS ALL OF EASTERN UNION COUNTY
  ARE EXPECTED TO RISE RAPIDLY TO NEAR BANKFULL...ESPECIALLY
  BUCK AND RICHARDSON CREEKS. IN THE WEST...FLOODING CAN BE 
  EXPECTED ALONG BLYTHE CREEK AND RONE BRANCH NEAR WAXHAW...
  AS WELL AS ALONG TWELVE MILE CREEK. URBAN FLOODING CAN BE
  EXPECTED IN WEDDINGTON...INDIAN TRAIL AND FAIRVIEW.

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

LAT...LON 3516 8059 3516 8023 3482 8032 3483 8077
          3491 8080 3502 8079

$$

BURRUS
2 follow-up statements
000 
WGUS72 KGSP 162322
FFSGSP
NCC179-170030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
722 PM EDT SAT AUG 16 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 830 PM EDT FOR UNION
COUNTY...

AT 720 PM...WEATHER RADAR SHOWED ONLY SCATTERED SHOWERS STILL 
AFFECTING UNION COUNTY...FROM INDIAN TRAIL THROUGH MONROE TO
THE BORDER WITH SOUTH CAROLINA. RAINFALL RATES HAD FALLEN 
DRAMATICALLY FROM EARLIER...WITH RADAR ESTIMATING LESS THAN AN INCH 
OF RAIN PER HOUR NOW...CONTRASTING SHARPLY WITH 2 TO 3 INCH PER HOUR 
RAINFALL RATES THAT OCCURRED LATE THIS AFTERNOON.

COUNTY OFFICIALS REPORTED WATER FLOWING ACROSS FAIRVIEW-INDIAN TRAIL 
ROAD...AS WELL AS SECRET SHORTCUT ROAD AND THE OLD CHARLOTTE 
HIGHWAY. THERE WERE NUMEROUS AREAS OF STANDING WATER ON ROADS BUT 
NO FLOODING DUE TO STREAMS OR CREEKS THAT HAD OVERFLOWED THEIR 
BANKS. AT THE HEIGHT OF THE HEAVY RAIN...AROUND 6 PM...ONE HOUSE 
ON PATRIOT DRIVE CONTAINING AND ADULT AND THREE CHILDREN HAD TO BE 
EVACUATED BECAUSE WATER WAS FLOWING IN AND OUT OF THE HOUSE. 
DETAILS ARE STILL SKETCHY. 

WATER LEVELS SHOULD CONTINUE TO RECEDE THROUGH LATE EVENING UNLESS 
REDEVELOPMENT OF WIDESPREAD RAINFALL OCCURS. SINCE THERE ARE STILL 
SHOWERS IN A FEW AREAS...THE FLASH FLOOD WARNING WILL CONTINUE UNTIL 
ITS 830 PM EXPIRATION TIME.

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 170036
FFSGSP
NCC179-170130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
835 PM EDT SAT AUG 16 2003

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR UNION COUNTY HAS
EXPIRED AS OF 830 PM EDT...

AT 833 PM...WEATHER RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS 
COVERING SOUTHERN UNION COUNTY...FROM WAXHAW TO STURDIVANTS. THESE 
STORMS WERE STILL HEAVY PRECIPITATION PRODUCERS...WITH RADAR 
ESTIMATING AS MUCH AS 2 INCHES OF RAIN SINCE 730 PM NEAR WAXHAW. 
RADAR TRENDS SHOWED THE STORMS WEAKENING AS THEY MOVED TO THE EAST.

COUNTY OFFICIALS WERE NOT REPORTING ANY ONGOING FLOODING AS OF 830 
PM. THE STORMS OVER SOUTHERN UNION COUNTY WERE NOT AFFECTING AREAS 
THAT EXPERIENCED FLOODING EARLIER THIS EVENING...BUT COULD STILL 
PRODUCE ISOLATED AREAS OF STANDING WATER ON ROADS...AND IN POOR 
DRAINAGE AREAS. 

THE NATIONAL WEATHER SERVICE WILL CONTINUE TO CLOSELY MONITOR THIS 
SITUATION. WARNINGS COULD BE ISSUED AGAIN SHOULD THE STORMS BEGIN 
MOVING OVER THE SAME LOCATIONS REPEATEDLY.

STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING 
TO RECEDE...ENDING THE FLASH FLOOD THREAT. EVEN THOUGH STREAMS AND 
CREEKS WERE RECEDING...SOME ROADWAYS STILL MAY BE COVERED WITH 
WATER. MOTORISTS ARE ADVISED TO AVOID DRIVING THROUGH FLOODED 
ROADWAYS.

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 16, 1:45 PM EDT, 3 hours 53 minutes earlier.

Area forecast discussion, Aug 16, 1:45 PM EDT, 3 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
145 PM EDT SAT AUG 16 2003

UPPER TROF APPROACHING FROM THE NW WILL MOVE THRU BY LATE THIS EVE
AND CONVECTION WILL MOVE E WITH IT. WITH WEAK RIDGE BUILDING
OVERNIGHT EXPECT PATCHY FOG EARLY SUN MORNING. ANOTHER SHORTWAVE
TROF FCST TO MOVE THRU THE AREA TOMORROW. EXPECT STRONGEST PVA/BEST
LIFT IN THE AFTN-EARLY EVE PERIODS. ON MON AFTN GFS SHOWS ANOTHER
SHRTWV APPROACHING AND ALTHOUGH DEEPER MOISTURE MOVES SE...WILL HOLD
ON TO AT LEAST SLIGHT CHANCE POPS. SURFACE RIDGE BUILDS OVER AREA
TUE-FRI AND HAVE SLIGHT CHANCE LATE DAY POPS IN THE GRIDS. A SFC
BOUNDARY IS PROGGED TO MOVE IN SAT...BRINGING ANOTHER CHANCE OF
CONVECTION TO THE AREA.

FCSTID = 77
GSP   71  88  69  88 /  40  40  40  20
AND   71  88  70  89 /  40  40  40  20
CLT   71  88  69  88 /  40  40  40  20
HKY   69  87  68  87 /  40  40  40  20
AVL   65  84  64  84 /  40  40  40  20

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

RB
Hazardous weather outlook, Aug 16, 6:10 AM EDT, 11 hours 28 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-161200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
610 AM EDT SAT AUG 16 2003

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

.DAY ONE...TODAY

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE REGION
THROUGHOUT THE DAY AND EVENING. THERE IS A CHANCE THAT A FEW
THUNDERSTORMS COULD PRODUCE LARGE HAIL OR DAMAGING WIND GUSTS FOR A
BRIEF TIME. THERE IS ALSO THE POSSIBILITY THAT A FEW OF THE STORMS
COULD PRODUCE ENOUGH RAIN TO CAUSE FLOODING OF URBAN AND POOR
DRAINAGE AREAS IN LOCATIONS THAT HAVE RECEIVED EXCESSIVE RAIN IN THE
LAST FEW WEEKS.

.DAYS TWO THROUGH SEVEN...

ANOTHER ROUND OF SCATTERED THUNDERSTORMS IS EXPECTED SUNDAY AND
SUNDAY EVENING. THERE IS A SLIGHTLY BETTER CHANCE OF SEVERE WEATHER
LATE IN THE DAY. SCATTERED THUNDERSTORMS ARE ALSO EXPECTED MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED ON SUNDAY.

MOORE

In the hours before

Local storm report, Aug 16, 1:33 PM EDT, 4 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
133 PM EDT SAT AUG 16 2003

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

900 AM     5-10 SE SALISBURY         NC   FLASH FLOOD
08/16/03   ROWAN                          SPOTTER REPORTED FLASH
                                          FLOODING OF SMALL STREAMS
                                          AROUND GRANITE QUARRY AND
                                          ROCKWELL RESULTED IN
                                          FLOODED ROADS...HOUSES...
                                          APARTMENTS...AND CARS.
                                          UNTIL 11 AM...BUT SOME
                                          ROADS STILL FLOODED AFTER
                                          NOON.

JONES
Local storm report, Aug 16, 2:09 PM EDT, 3 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
209 PM EDT SAT AUG 16 2003

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

145 PM     2 W PAULINE               SC   .75 INCH HAIL
08/16/03   SPARTANBURG                    PUBLIC/SPOTTER REPORT.
                                          ALSO LOTS OF LIGHTNING.

JONES
Special weather statement, Aug 16, 4:52 PM EDT, 46 minutes before
NCZ068-162200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
452 PM EDT SAT AUG 16 2003

...STRONG THUNDERSTORMS WITH TORRENTIAL RAIN TO AFFECT SOUTHERN
CLEVELAND COUNTY THROUGH 6 PM...

AT 450 PM...WEATHER RADAR INDICATED A CLUSTER OF STRONG
THUNDERSTORMS OVER SOUTHERN CLEVELAND COUNTY...SOUTH OF LINE FROM
SHELBY TO MOORESBORO. THESE STORMS WERE SLIDING SLOWLY TO THE
SOUTH...AND WERE ASSOCIATED WITH FREQUENT CLOUD TO GROUND
LIGHTNING...WIND GUSTS TO 45 MPH...AND TORRENTIAL RAIN.

RADAR ESTIMATED BETWEEN 2 AND 3 INCHES OF RAIN HAD FALLEN SINCE MID
AFTERNOON IN THE VICINITY OF PATTERSON SPRINGS. ADDITIONAL RAINFALL
WILL RESULT IN PONDING OF WATER ON ROADS...AND IN POOR DRAINAGE
AREAS...OF SOUTHERN CLEVELAND COUNTY. SIGNIFICANT RISES ON SHALLOWER
STREAMS AND CREEKS CAN BE EXPECTED AS WELL...ESPECIALLY FROM
PATTERSON SPRINGS TO EARL AND KINGS MOUNTAIN.

THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE PROGRESS
OF THIS DEVELOPING WEATHER SITUATION.

NEVER DRIVE THROUGH AREAS WHERE WATER COVERS THE ROADWAY. IF
STANDING WATER IS ENCOUNTERED...STOP TURN AROUND AND FIND ANOTHER
ROUTE TO REACH YOUR DESTINATION SAFELY.

TO REPORT SEVERE WEATHER OR FLOODING...NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY AND ASK THEM TO FORWARD THE REPORT TO THE
NATIONAL WEATHER SERVICE AT GREENVILLE SPARTANBURG.

BURRUS
Local storm report, Aug 16, 5:10 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
510 PM EDT SAT AUG 16 2003

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

500 PM     BELTON                    SC   FLASH FLOOD
08/16/03   ANDERSON                       BELTON F.D. REPORTED
                                          SEVERAL FLOODED STREETS
                                          IN BELTON...INCLUDING N
                                          MAIN...S MAIN...AND
                                          MYRTLE AVE. WATER VARIES
                                          FROM 4 TO 8 INCHES DEEP.

345 PM     SENECA                    SC   WIND DAMAGE
08/16/03   OCONEE                         OCONEE 911 REPORTED
                                          SEVERAL TREES DOWN IN
                                          SENECA AND CROSSROADS.

400 PM     EASLEY                    SC   WIND DAMAGE
08/16/03   PICKENS                        EASLEY PD REPORTED TREES
                                          AND POWERLINES DOWN
                                          EVERYWHERE. MAJOR POWER
                                          OUTAGE.

403 PM     EASLEY                    SC   WIND DAMAGE
08/16/03   PICKENS                        PICKENS 911 REPORTED 1-2
                                          TREES DOWN.

355 PM     GREENVILLE                SC   WIND DAMAGE
08/16/03   GREENVILLE                     GMU TOWER REPORTED 40 KT
                                          MICROBURST. DAMAGED 7
                                          AIRPLANES...SEVERAL
                                          HANGARS...AND BLEW OVER A
                                          BRICK WALL.

445 PM     PELZER                    SC   WIND DAMAGE
08/16/03   ANDERSON                       ANDERSON 911 REPORTED 1
                                          TREE DOWN. SEVERAL
                                          POWERLINES DOWNED AT 457
                                          PM IN BELTON.

LAMB
Special weather statement, Aug 16, 5:27 PM EDT, 11 minutes before
NCZ036-056-069>071-162300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
527 PM EDT SAT AUG 16 2003

...THUNDERSTORMS WITH TORRENTIAL RAINFALL TO AFFECT THE CHARLOTTE
METRO AREA THROUGH 7 PM...

AT 525 PM...WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS
STRETCHING FROM STATESVILLE...WEST TO HICKORY. RADAR ALSO SHOWED
STRONG THUNDERSTORMS STRETCHING FROM WEDDINGTON AND
WAXHAW...NORTHEAST THROUGH MONROE TO NEW SALEM. THE STORMS WERE
SLIDING SLOWLY SOUTHWARD...AND WERE ASSOCIATED WITH RAINFALL RATES
OF 1 TO 2 INCHES PER HOUR.

THROUGH 7 PM...STORMS WILL MOVE INTO THE CHARLOTTE METROPOLITAN AREA
FROM THE NORTH AND AFFECT LOCATIONS FROM CHARLOTTE AND
HUNTERSVILLE...WEST TO LINCOLNTON...MOUNT HOLLY AND GASTONIA...AND
WILL CONTINUE TO MOVE SOUTH OVER UNION COUNTY. FLOODING OF STREETS
AND POOR DRAINAGE AREAS COULD OCCUR IN THE LARGER CITIES...SUCH AS
CHARLOTTE...GASTONIA AND MONROE...AND COULD RESULT IN SIGNIFICANT
RISES ON STREAMS AND CREEKS ACROSS PART OF THE SOUTHERN PIEDMONT OF
NORTH CAROLINA.

THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE PROGRESS OF
THIS DEVELOPING WEATHER SITUATION.

BURRUS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 9:32 AM EDTFlash Flood WarningGSPRowan3 hr
Aug 16, 5:29 PM EDTSevere Thunderstorm WarningGSPUnion46 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.