Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 13, NWS Greenville-Spartanburg, SC

March 20, 2003Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Mar 20, 2003, 10:41 AM EST for Rutherford 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 counties it named.

The facts

Issued
Mar 20, 2003, 10:41 AM EST (15:41 UTC)
Expired
Mar 20, 2003, 1:45 PM EST
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Rutherford County, NC

The radar

The Greer radar (KGSP), 64 km from the middle of the area, began a volume at 15:45 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.7 hours before the alert went out and 197 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 2003-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLEL10008507005003002001001 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 2003-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 675 square meters per square second.1939587897Sfc1 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
5 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
675 m²/s²
0-3 km storm-relative helicity
829 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 201548
FFWGSP
NCC161-201845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1041 AM EST THU MAR 20 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 145 PM EST

* AT 1040 AM EST...WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA
  OF MODERATE TO HEAVY RAIN OVER RUTHERFORD COUNTY MOVING NORTHEAST
  AT 35 MPH. RAIN WAS FALLING AT THE RATE OF 1/2 INCH PER HOUR...AND
  IMPACTING AREAS THAT HAVE RECEIVED IN EXCESS OF 3 INCHES OVER THE
  PAST 24 HOURSS.

* FLOODING OF STREAMS AND CREEKS IN THE CLIFFSIDE AREA CAN BE
  EXPECTED THROUGH THE EARLY AFTERNOON...WITH FLOODING ALSO EXPECTED
  ALONG GOODES CREEK AND HILL CREEK. MANY OTHER STREAMS AND CREEKS
  AROUND THE COUNTY ARE ALSO NEAR BANKFULL AND COULD SOON FLOOD.
  ALTHOUGH THE RAINFALL WILL TAPER OFF FROM THE SOUTHWEST THROUGH
  THE EARLY AFTERNOON...CREEKS WILL LIKELY CONTINUE TO RISE EVEN
  AFTER THE RAIN DIMINISHES.

* DO NOT DRIVE ACROSS FLOODED ROADS.  DO NOT LET CHILDREN PLAY NEAR
  CREEKS... STREAMS... AND DRAINAGE DITCHES.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE RADIO OR 
TELEVISION STATION FOR THE LATEST INFORMATION REGARDING THE FLOOD 
THREAT.
$$
HG/JAT

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 Mar 20, 4:30 AM EST, 6 hours 11 minutes earlier.

Area forecast discussion, Mar 20, 4:30 AM EST, 6 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
430 AM EST THU MAR 20 2003

LATEST SFC ANALYSIS SHOWS WEDGE CONTROLLING EAST OF THE APPALACHIANS
DOWN TO ALMOST THE AL/GA STATE LINE. PARENT HIGH WILL SHIFT FURTHER
EAST TODAY...MAY BE COME SLIGHTLY PINCHED OFF WITH A SFC WAVE.
HOWEVER...WITH HEAVY RAIN FALLING INTO THE AIR MASS...WARM FRONT
WILL TAKE A SLOW BUT STEADY APPROACH TO ERODING THE WEDGE. SHORT
TERM MODELS ALL HAVE THE HEAVIEST RAIN MAKE A EXODUS THIS AFTERNOON
TO THE NORTHEAST. TIMING OF THIS FEATURE WILL BE TAKEN OFF THE ETA
AS GFS HAS SOME OBVIOUS FEEDBACK ISSUES. ALTHOUGH THE BEST FORCING
WILL LEAVE...THE ERODING EDGES OF THE WEDGE WILL ALLOW THE MOIST SFC
TO TEMPS TO WARM...INCREASING INSTABILITY. WILL CONTINUE FFA AT THE
CURRENT TIMING AND ZONES.

TONIGHT...H85 LIS COOL TO THE LOWEST VALUES OF THE EVENT. AFTER
MAKING A ANALYSIS OF THE FORECAST SOUNDINGS...HAVE CONCLUDED THAT
THE EASTERN EDGE WILL HAVE A THREAT OF SVR WX. USING THE TIMING OFF
THE ETA WILL EXPECT MID LEVELS TO DRY RATHER QUICK FROM THE SOUTH
AFTER MIDNIGHT. HAVE REFLECTED THIS IN THE GRIDS/FORECAST AS TS
CHANCE WILL BE LIMITED TO THE NC FOOTHILLS/PIEDMONT FRIDAY MORNING.
AFTER MID MORNING CWA WILL BE PAINTED WITH ONLY CHC OF SHOWERS. A
SEVERE WEATHER OUTLOOK WILL BE WRITTEN TO HIGHLIGHT CONCERNS.

WITH DYING WEDGE...TEMPS WILL LIKELY PRESENT A TIGHT TEMP
GRADIENT...WILL USE ETA FIELDS FOR TEMP AND WILL REFINE WITH A MOS
COMPROMISE.

FCSTID =   16
GSP   60  53  74  50 / 100  80  40  10
AND   64  56  74  48 / 100  80  40  10
CLT   61  53  75  51 / 100  80  40  10
HKY   55  51  73  50 / 100  80  40  10
AVL   60  49  72  44 /  90  70  30  10

.GSP...
GA...FLOOD WATCH FOR TODAY FOR ZONES GAZ010...GAZ017>018...GAZ026...
GAZ028>029.

NC...FLOOD WATCH FOR TODAY FOR ZONES NCZ033>037...NCZ048>059...
NCZ062>072...NCZ082.

SC...FLOOD WATCH FOR TODAY FOR ZONES SCZ001>014...SCZ019.

NED
Hazardous weather outlook, Mar 20, 5:25 AM EST, 5 hours 16 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-201215-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
525 AM EST THU MAR 20 2003

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

.DAY ONE...TODAY

A FLOOD WATCH (FFAGSP) REMAINS IN EFFECT FOR TODAY ACROSS THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA. THUNDERSTORMS MAINLY SOUTH
AND EAST OF INTERSTATE 85...COULD PRODUCE LARGE HAIL AND DAMAGING
WINDS...THE POTENTIAL FOR AN TORNADO ALSO EXISTS. PLEASE SEE THE
SEVERE WEATHER OUTLOOK (SPSGSP) FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...

SEVERE THUNDERSTORMS MAY LINGER INTO THE EARLY MORNING HOURS ON
FRIDAY...EAST OF INTERSTATE 85. PLEASE SEE THE ABOVE MENTIONED
SEVERE WEATHER OUTLOOK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE LIKELY THROUGH EARLY FRIDAY MORNING.

NED

In the hours before

Special weather statement, Mar 20, 5:00 AM EST, 5 hours 41 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-201600-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
500 AM EST THU MAR 20 2003

...SEVERE THUNDERSTORMS POSSIBLE AGAIN TODAY AND TONIGHT...

A VERY MOIST AND UNSTABLE AIR MASS WILL PERSIST AGAIN TODAY ACROSS
THE WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA...AHEAD OF A
COLD FRONT MOVING IN FROM ALABAMA AND MIDDLE TENNESSEE. WIND SHEAR
IN THE LOWER PART OF THE ATMOSPHERE WILL ALSO REMAIN STRONG. A WARM
FRONT ACROSS CENTRAL GEORGIA AND THE MIDLANDS OF SOUTH CAROLINA WILL
REMAIN A FOCUS FOR THUNDERSTORM DEVELOPMENT THROUGHOUT THE DAY.

THUNDERSTORMS WILL CONTINUE THIS MORNING ACROSS THE FOOTHILLS AND
PIEDMONT. HEAVY RAIN ASSOCIATED WITH THE THUNDERSTORMS COULD PRODUCE
ADDITIONAL FLOODING OR AGGRAVATE EXISTING FLOOD PROBLEMS. A FLOOD
WATCH REMAINS IN EFFECT FOR TODAY.

THE GREATEST THREAT FOR SEVERE THUNDERSTORMS WILL BE ACROSS THE AREA
GENERALLY TO THE SOUTH AND EAST OF INTERSTATE 85...LATE THIS
AFTERNOON AND THIS EVENING. THE MAIN THREAT WILL BE LARGE HAIL AND
DAMAGING WIND GUSTS. HOWEVER...IF THE WARM FRONT CAN PUSH IN FROM
THE SOUTHEAST...THERE WILL BE THE POTENTIAL FOR A FEW TORNADOES
ACROSS THE AREA TO THE SOUTH AND EAST OF A LINE FROM ELBERTON
GEORGIA TO ABBEVILLE...CLINTON...CHESTER IN SOUTH CAROLINA...AND
MONROE NORTH CAROLINA. TO THE NORTH AND WEST OF INTERSTATE 85...THE
THREAT OF SEVERE WEATHER IS LESS...BUT A FEW THUNDERSTORMS COULD
PRODUCE LARGE HAIL AND WIND DAMAGE.

THE THREAT FOR SEVERE THUNDERSTORMS SHOULD DIMINISH AFTER MIDNIGHT
AS THE COLD FRONT MOVES INTO THE WESTERN CAROLINAS.

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

SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY LATE THIS
AFTERNOON AND THIS EVENING. DISPATCHERS SHOULD ENSURE COUNTY
EMERGENCY MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION.

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 6:05 AM ESTFlash Flood WarningGSPCabarrus, Davie, Iredell, Mecklenburg, Rowan, Union6 hr
Mar 20, 8:25 AM ESTFlash Flood WarningGSPAlexander, Catawba4 hr
Mar 20, 8:48 AM ESTFlash Flood WarningGSPLincoln4 hr

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.