Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 61, NWS Greenville-Spartanburg, SC

July 6, 2003Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 6, 2003, 6:49 PM EDT for Madison County, North Carolina. It was in force for 2 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
Jul 6, 2003, 6:49 PM EDT (22:49 UTC)
Expired
Jul 6, 2003, 9:00 PM EDT
In force
2 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Madison County, NC

The radar

The Knoxville radar (KMRX), 71 km from the middle of the area, began a volume at 22:53 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, 10.8 hours before the alert went out and 254 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 2003-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 737 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 2003-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
737 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
881 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
25 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 062249
FFWGSP
NCC115-070100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
649 PM EDT SUN JUL 6 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 900 PM EDT

* AT 628 PM EDT...COUNTY OFFICIALS REPORTED FLOODING WAS OCCURRING   
  ACROSS MUCH OF THE SOUTHERN PORTION OF THE COUNTY. A SECTION       
  OF PETERSBURG ROAD WAS REPORTED TO BE COVERED WITH 6 FEET OF       
  WATER NEAR THE TOWN OF PETERSBURG DUE TO FLOODING ALONG BONE CAMP  
  CREEK. SOME ROADS IN MARSHALL ARE COVERED WITH WATER AND CLOSED.   
  AT 633 PM...NATIONAL WEATHER SERVICE RADAR INDICATES AN AREA OF    
  MODERATE TO HEAVY RAIN LOCATED ABOUT 6 MILES WEST OF               
  MARSHALL...MOVING SLOWLY EAST. THIS AREA OF RAIN COULD RESULT IN   
  ADDITIONAL RAINFALL AMOUNTS IN EXCESS OF AN INCH ACROSS SOUTHERN   
  PORTIONS OF THE COUNTY THIS EVENING.     

* AS THIS AREA OF RAINFALL MOVES TOWARD THE MARSHALL AREA...         
  ADDITIONAL URBAN FLOODING WILL BE POSSIBLE IN THE CITY. IN         
  ADDITION...FLOOD PRONE TRIBUTARIES OF THE LITTLE PINE AND BIG PINE 
  CREEKS SHOULD BE WATCHED CLOSELY FOR RAPID RISE OF WATER LEVELS.   
  THE ADDITIONAL RAINFALL WILL ALSO LIKELY LEAD TO FURTHER RISES ON  
  ANY CREEKS ALREADY IN FLOOD. ROCK SLIDES WILL ALSO BE POSSIBLE IN  
  AREAS OF STEEP TERRAIN.        

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.

WHEN DRIVING ALONG ROADS WHERE THE TERRAIN IS STEEP OR ROCKY...REMAIN
ALERT FOR POSSIBLE ROCK OR MUD SLIDES DUE TO THE HEAVY RAIN.

$$

LANE
1 follow-up statement
000 
WGUS72 KGSP 070008
FFSGSP
NCC115-070100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
808 PM EDT SUN JUL 6 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 900 PM EDT FOR MADISON
COUNTY...

AT 745 PM...COUNTY OFFICIALS REPORTED THAT FLOODING CONTINUED... 
MAINLY ACROSS SOUTHERN AND EASTERN PORTIONS OF THE COUNTY. LITTLE 
PINE CREEK WAS OUT OF ITS BANKS AND FLOODING SOME ADJACENT ROADWAYS. 
FLOODING WAS ALSO REPORTED ON SPRING CREEK...AND WATER FROM THIS 
CREEK WAS BEGINNING TO COVER PORTIONS OF HIGHWAY 63. ALTHOUGH NO 
MAJOR HIGHWAYS OR ROADWAYS HAVE BEEN CLOSED AS OF 745 PM...SEVERAL 
SIDE ROADS HAVE BEEN CLOSED DUE TO FLOODING ALONG SMALL CREEKS.   

AT 757 PM...NATIONAL WEATHER SERVICE RADAR INDICATED ANOTHER BATCH 
OF MODERATE RAIN...WITH EMBEDDED AREAS OF HEAVY RAIN...MOVING INTO 
MADISON COUNTY. THIS COULD PRODUCE AN ADDITIONAL INCH OR MORE OF 
RAIN ACROSS THE COUNTY THROUGH 10 PM. THIS ADDITIONAL RAINFALL... 
COMBINED WITH RUNOFF FROM EARLIER RAIN WILL RESULT IN FURTHER RISES 
ON CREEKS AND STREAMS THAT ARE ALREADY IN FLOOD. NEW FLOODING COULD 
ALSO DEVELOP ALONG STREAMS SUCH AS LITTLE SANDYMUSH CREEK AND ITS 
TRIBUTARIES...AND BIG PINE CREEK.      

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. 

PEOPLE LIVING ON CREEKS AND STREAMS ACROSS SOUTHERN AND EASTERN 
PORTIONS OF MADISON COUNTY SHOULD MONITOR WATER LEVELS CLOSELY...AND 
BE PREPARED TO ACT QUICKLY IF WATER REACHES OR EXCEEDS BANKFUL.  

WHEN DRIVING ALONG ROADS WHERE THE TERRAIN IS STEEP OR ROCKY...REMAIN
ALERT FOR POSSIBLE ROCK OR MUD SLIDES DUE TO THE HEAVY RAIN.

$$

LANE

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 Jul 6, 3:14 PM EDT, 3 hours 35 minutes earlier.

Area forecast discussion, Jul 6, 3:14 PM EDT, 3 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
314 PM EDT SUN JUL 6 2003

KGSP 88-D SHOWS AFTERNOON CONVECTION IN FULL SWING. WHILE MUCH OF
THIS ACTIVITY IS DRIVEN BY DAYTIME HEATING...THERE IS UPPER SUPPORT
AS A WEAK TROF CONTINUES SINKING SOUTH INTO THE REGION ALOFT. THIS
FEATURE IS PROGD TO CROSS OUR AREA EARLY MONDAY MORNING. TIME
HEIGHTS SHOW MOISTURE CONTENT IN THE ATMOSPHERE
INCREASING...ESPECIALLY LATE TONIGHT...WHICH WOULD ALSO SUPPORT
ACTIVITY CONTINUING WELL BEYOND MIDNIGHT. WILL MENTION POPS THROUGH
LATE TONIGHT IN THE ZONES...WITH BEST COVERAGE NORTH AND WEST
OVERNIGHT. IN THE PREDAWN...MOISTURE LADEN BOUNDARY LAYER MAY
PRODUCE SOME DENSE FOG IN THE MOUNTAINS.

AFOREMENTIONED TROF...AND AN UPPER VORT...WILL AFFECT THE FORECAST
AREA MONDAY. LITTLE DRYING IN THE LOWER ATMOSPHERE WITH PRECIPITABLE
WATERS OVER 1.8 INCHES ON FORECAST SOUNDINGS. A CASE COULD CERTAINLY
BE MADE FOR LIKELY POPS IN THE HIGHER TERRAIN GIVEN SOMEWHAT BETTER
UPPER FORCING THERE TOMORROW AFTERNOON...BUT WENT WITH HIGH CHANCE
POPS THERE AFTER COLLABORATION WITH SURROUNDING OFFICES...WITH 40 POPS
EVERYWHERE ELSE. THERE WILL BE...AGAIN...A THREAT OF HEAVY
RAIN...BUT UPPER FLOW WILL BE A LITTLE FASTER THAN IN PREVIOUS DAYS
WITH THE TROF DIGGING SOUTHEAST. KEPT POPS IN THROUGH EARLY
EVENING...THEN LOSS OF HEATING AND SUBSIDENCE IN THE WAKE OF THE
TROF SHOULD ALLOW CONVECTION TO WEAKEN.

ONCE TROF HAS PASSED EAST OF THE AREA...RIDGING STRENGTHENS ACROSS
THE SOUTHEAST STATES. CWFA IS IN BETWEEN SYSTEMS...WITH DRIER AIR
WORKING IN. 1000/85H THICKNESSES ALSO RISE TO 1432M FOOTHILLS AND
PIEDMONT...SUGGESTING TUESDAY COULD BE THE WARMEST DAY YET. LOW
LEVELS REMAIN RATHER MOIST...HOWEVER...SO CONVECTION MAY STILL FIRE
IN THE MOUNTAINS...WHILE FOOTHILLS AND PIEDMONT WILL ALSO BE IN A
SLIGHT DOWNSLOPE REGIME. KEPT POPS LIMITED TO LATE AFTERNOON IN THE
MOUNTAINS...AND THE NORTH CAROLINA FOOTHILLS.

ON WEDNESDAY...BACKDOOR FRONT APPROACHES THE CWFA. KEPT A MENTION OF
CHANCE POPS IN CWFA WIDE...WITH GREATEST CHANCES NORTH AND
WEST...WHERE GFS DISPLAYS GREATEST LOW LEVEL MOISTURE AND CLOSER TO
THE EFFECTS OF AN APPROACHING UPPER TROF THAT WILL FORCE THE FRONT
SOUTH.

THU THROUGH SUN...THE MEDIUM RANGE MODELS HAVE DELAYED FROPA UNTIL
THU NGHT. AS A RESULT HAVE INTRODUCED POPS INTO THE THU PERIOD. IN
FACT...APPEARS THAT THERE MAY BE SOME GOOD SHEAR AS THE TROUGH
PASSES. THE REST OF THE PERIOD...FRI TO SAT...LOOKS DRY. W/HGHTS
BUILDING OVER THE NRN PLAINS AND E COAST TROF...WEAK HIGH PRESSURE
AND NWLY FLOW SHOULD SUPPRESS CONVECTION. SOME CHANCE THAT BY SUNDAY
MCS TRACK COULD BEGIN TO AFFECT THE WRN ZONES...ASSUMING THAT
ANYTHING CAN GET GOING UNDER THE STRONG RIDGE.

FCSTID =   44
GSP   71  87  71  91 /  40  40  40  20
AND   71  88  71  92 /  40  40  40  20
CLT   72  88  72  91 /  40  40  40  20
HKY   70  87  70  89 /  50  40  40  20
AVL   66  83  66  86 /  50  50  50  30

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

BURRUS/MCAVOY
Hazardous weather outlook, Jul 6, 6:20 AM EDT, 12 hours 29 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-061215-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
620 AM EDT SUN JUL 6 2003

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

.DAY ONE...

SPOTTY SHOWERS ACROSS THE AREA THIS MORNING WILL GIVE WAY TO
AN INCREASING COVERAGE OF THUNDERSTORMS THIS AFTERNOON AND EVENING.
LOCALLY HEAVY RAIN IS LIKELY...ESPECIALLY ACROSS THE MOUNTAINS.

.DAYS TWO THROUGH SEVEN...

DAILY CHANCES OF THUNDERSTORMS ARE EXPECTED MONDAY...WEDNESDAY
AND THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED...BUT AS ALWAYS...SPOTTERS ARE
URGED TO REPORT ANY REPORTS OF HEAVY RAIN...FLOODING OR SEVERE
WEATHER TO THE NATIONAL WEATHER SERVICE.

55

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 1:48 PM EDTSevere Thunderstorm WarningGSPDavie57 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.