Alert archive / North Carolina / Flash Flood Warnings in 2004

Flash Flood Warning 12, NWS Greenville-Spartanburg, SC

June 14, 2004Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jun 14, 2004, 6:14 PM EDT for Mecklenburg 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 outline as issued.

The facts

Issued
Jun 14, 2004, 6:14 PM EDT (22:14 UTC)
Expired
Jun 14, 2004, 8:15 PM EDT
In force
2 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 135 km from the middle of the area, began a volume at 22:16 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, 10.2 hours before the alert went out and 118 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 2004-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 170 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 2004-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
170 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
518 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
48 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 142215
FFWGSP
NCC119-150015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
614 PM EDT MON JUN 14 2004

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 815 PM EDT

* AT 606 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR PAW CREEK...OR ABOUT 9
  MILES NORTHWEST OF CHARLOTTE...MOVING NORTHEAST AT 20 MPH.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL BE AROUND...
  3 MILES SOUTHEAST OF HUNTERSVILLE BY 625 PM EDT
  7 MILES SOUTHEAST OF CORNELIUS BY 630 PM EDT
  7 MILES SOUTHEAST OF DAVIDSON BY 635 PM EDT

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.

LAT...LON 3550 8092 3523 8099 3522 8087 3527 8068
          3549 8080

$$

LGL
3 follow-up statements
000 
WGUS72 KGSP 142250
FFSGSP
NCC119-150015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
650 PM EDT MON JUN 14 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 815 PM EDT FOR NORTHERN
MECKLENBURG COUNTY...

AT 650 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A CLUSTER OF SHOWERS AND THUNDERSTORMS PRODUCING HEAVY 
RAIN.  THE HEAVIEST RAIN WAS OVER NORTHERN MECKLENBURG COUNTY 10 TO 
20 MILES NORTH OF CHARLOTTE.  THE THUNDERSTORMS HAVE DISPLAYED A 
WEAKENING TREND. THE PRECIPITATION WAS MOVING TO THE NORTHEAST ABOUT 
20 MPH.

LOCATIONS IN THE WARNING INCLUDE... BUT ARE NOT LIMITED TO... CROFT 
HUNTERSVILLE... DAVIDSON... AND CORNELIUS.

LAT...LON 3550 8092 3523 8099 3522 8087 3527 8068
          3549 8080

$$
LGL
000 
WGUS72 KGSP 142337
FFSGSP
NCC119-150015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
737 PM EDT MON JUN 14 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 815 PM EDT FOR NORTHERN
MECKLENBURG COUNTY...

AT 735 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE MODERATE TO LOCALLY HEAVY RAIN IN PARTS OF WESTERN AND 
NORTHERN MECKLENBURG COUNTY.  THE HEAVIEST RAIN WAS OCCURRING IN THE 
AREA BOUNDED BY PAW CREEK... CROFT... AND HUNTERSVILLE.  THE RAIN 
WAS MOVING NORTHEAST AT 20 MPH.

AS OF 735 PM... A RAIN GAUGE ON MALLARD CREEK HAD ACCUMULATED 2.26 
INCHES OF RAIN SINCE THE PRECIPITATION BEGAN EARLIER THIS EVENING.  
RADAR RAINFALL ESTIMATES INDICATED THAT THREE TO FOUR INCHES OF RAIN 
FELL IN A SMALL AREA ABOUT 12 MILES NORTHEAST OF CHARLOTTE EAST OF 
CROFT.

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.

LAT...LON 3550 8092 3523 8099 3522 8087 3527 8068
          3549 8080

$$
LGL
000 
WGUS72 KGSP 150016
FFSGSP
NCC119-150015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
815 PM EDT MON JUN 14 2004

...THE FLASH FLOOD WARNING FOR NORTHERN MECKLENBURG COUNTY EXPIRED
AT 815 PM EDT...

THE SIGNIFICANT RAINFALL HAS MOVED EAST OF THE AREA.  

LAT...LON 3550 8092 3523 8099 3522 8087 3527 8068
          3549 8080

$$
LGL

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 Jun 14, 5:30 PM EDT, 44 minutes earlier.

Area forecast discussion, Jun 14, 5:30 PM EDT, 44 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
530 PM EDT MON JUN 14 2004

.SHORT TERM...
UPDATING FORECAST TO INCREASE POPS TO CATEGORICAL MOST OF THE CWFA E
OF THE MTNS SAVE FOR THE FAR SRN TIER AND THE FAR NRN TIER THIS
EVENING. A COUPLE EAST TO WEST ORIENTED BANDS OF SHRA/TSRA HAVE
DEVELOPED OVER THE UPSTATE AND ARE SLOWLY PUSHING N INTO THE SRN NC
FOOTHILLS AND PIEDMONT. ALSO...IT IS STILL QUITE UNSTABLE ACROSS THE
SRN PART OF THE UPSTATE...WITH MORE PCPN UPSTREAM IN CENTRAL GA. WL
ALSO INCLUDE MENTION OF HEAVY RAIN ALL ZONES UNTIL MIDNIGHT.
&&

.PREV DISCUSSION...
SHORT TERM (TONIGHT THROUGH THURSDAY)...
STRONG MID AND UPPER LEVEL RIDGE WILL REMAIN DOMINANT FEATURE ACROSS
SOUTHEASTERN STATES. BUT FLOW AROUND WESTERN PERIPHERY OF RIDGE AND
JUST AHEAD OF LOWER MS VALLEY TROUGH ARE PROVIDING AN AVENUE FOR
DEEP MOISTURE TO CONTINUE FEEDING NORTHWARD FROM GULF COAST REGION
INTO SOUTHERN APPALACHIANS.  LOW-LEVEL FLOW IS MORE SOUTHEAST
PROVIDING A MOISTURE FEED FROM THE ATLANTIC. PERSISTENT RIDGE WILL
NOT ALLOW SOUTHWARD PENETRATION OF MIDWEST TROUGH AND SURFACE DURING
EARLY AND MID WEEK... SO WEAK UPPER LEVEL AND SURFACE FEATURES AND
DAYTIME HEATING WILL BE MAIN TRIGGERS FOR CONVECTION. BEST SYNOPTIC
SCALE FORCING WILL REMAIN PRIMARILY TO OUR SOUTHWEST NEAR GULF COAST
SYSTEM.

SMALL LINES AND CLUSTERS OF SHOWERS AND THUNDERSTORMS HAVE FORMED
PAST HOUR OR TWO.  A STEADY DRIFT TOWARD THE NORTH IS PREVENTING
EXCESSIVE RAINFALL TOTALS... SO FAR. PLAN TO CONTINUE CATEGORICAL
AND LIKELY POPS WESTERN ZONES AND CHANCE POPS IN THE EAST INTO THE
EVENING.  POPS LATER TONIGHT WILL DECREASE TO CHANCE EVERYWHERE.
POPS TUESDAY AFTERNOON WILL INCREASE TO LIKELY IN THE WEST AND
CHANCE IN THE EAST.  AS RIDGE AXIS BECOMES ELONGATED IN MORE
EAST/WEST DIRECTION DURING WEDNESDAY...FLOW ALOFT BECOMES MORE
WESTERLY AND TRANSPORT OF DEEP MOISTURE FROM GULF WILL BECOME LESS
IMPRESSIVE.  CHANCE POPS WILL BE INCLUDED FOR BOTH WEDNESDAY AND
THURSDAY AFTERNOON AND EVENING.

.LONG TERM (THURSDAY NIGHT THROUGH MONDAY)...
SERIES OF SHORT WAVES MOVING THROUGH ZONAL FLOW DURING THE END OF THE
WEEK. TYPICAL SCATTERED AFTERNOON AND EVENING THUNDERSTORMS EACH DAY.
SUNDAY A WELL DEFINED IMPULSE SHOULD MOVE COLD FRONT ACROSS AREA
ENHANCING CONVECTION.  MODELS IN GOOD AGREEMENT ON POSITION...GFS
MORE AGRESSIVE THAN OTHER LONG TERM MODELS...KEEPING WEEKEND TSTMS
IN CHANCE CATEGORY UNTIL WE SEE CONSISTENT RUNS.  FOLLOWING FROPA
SUNDAY TEMPS DROP SOME BUT AGAIN WILL WAIT FOR CONSISTENT RUNS
BEFORE DROPPING TEMPS TO GFS FCTS.
&&

.AVIATION...
CONVECTION ALREADY STARTING WITH INCREASE IN ACTIVITY EXPECTED FOR
THE REST OF THE DAY. GOOD TROPICAL MOISTURE AND WINDS NORMAL TO
TERRAIN SHOULD ENHANCE CONVECTION ALONG THE ESCARPMENT AND
MOUNTAINS.  WITH MORE PRECIPITATION EXPECTED THIS AFTERNOON AND
EVENING...FOG AND LOW STRATUS IN FCST FOR TUESDAY MORNING.

&&

.PRELIMINARY POINT TEMPS/POPS...
GSP  68  82  68  87 /  60  60  50  40
AND  68  81  68  88 /  60  60  40  40
CLT  68  81  69  87 /  50  50  50  40
HKY  67  81  67  87 /  50  60  50  40
AVL  64  78  64  84 /  60  70  50  40
&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.
&&

LGL/VAD
Hazardous weather outlook, Jun 14, 6:00 AM EDT, 12 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
600 AM EDT MON JUN 14 2004

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-151000-
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-
600 AM EDT MON JUN 14 2004

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

.DAY ONE...
SHOWERS AND THUNDERSTORMS WILL DEVELOP AGAIN TODAY AND TONIGHT ACROSS
THE WESTERN CAROLINAS AND NORTHEAST GEORGIA. THERE IS THE POTENTIAL
FOR HEAVY RAIN THAT COULD POSSIBLY RESULT IN SOME FLOODING
CONCERNS...PARTICULARLY OVER THE MOUNTAINS OF NORTH CAROLINA. A FLOOD
WATCH MAY BE ISSUED LATER TODAY. FOR MORE INFORMATION...SEE THE
SPECIAL WEATHER STATEMENT (SPSGSP) ISSUED AT 447 AM.

.DAYS TWO THROUGH SEVEN...

ADDITIONAL HEAVY RAIN IS POSSIBLE ON TUESDAY AND TUESDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY AND TONIGHT...MAINLY
FOR REPORTING RAINFALL.

MOORE

In the hours before

Special weather statement, Jun 14, 3:40 PM EDT, 2 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
340 PM EDT MON JUN 14 2004

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-150200-
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-
340 PM EDT MON JUN 14 2004

...THUNDERSTORMS AND LOCALLY HEAVY RAIN FOR THE WESTERN CAROLINAS AND
EXTREME NORTHEAST GEORGIA THIS EVENING...

THE WIND FLOW AROUND A HIGH PRESSURE SYSTEM OVER THE WESTERN ATLANTIC
AND AN AREA OF LOW PRESSURE IN THE GULF OF MEXICO WILL FEED VERY
MOIST AIR INTO THE SOUTHERN APPALACHIAN REGION AND PIEDMONT OF THE
CAROLINAS AND EXTREME NORTHEAST GEORGIA DURING THE EVENING.

AFTERNOON HEATING PROMOTED THE DEVELOPMENT OF SMALL LINES AND
CLUSTERS OF SHOWERS AND THUNDERSTORMS. THE SHOWERS AND THUNDERSTORMS
WILL CONTINUE ACROSS THE AREA INTO THE EVENING HOURS.  LOCALLY HEAVY
RAIN COULD PRODUCE HIGH WATER LEVELS IN POOR DRAINAGE AREAS. MOST OF
THE SHOWERS WERE MOVING TO THE NORTH AND NORTHEAST AT ABOUT 10 MPH.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS THIS EVENING.

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

LGL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 6:09 PM EDTFlash Flood WarningGSPGaston2 hr

Nearby

Flash Flood Warnings in North Carolina, 2004Every flash flood warning in 2004

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.