Alert archive / North Carolina / Flash Flood Warnings in 2005

Flash Flood Warning 64, NWS Greenville-Spartanburg, SC

July 29, 2005Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 29, 2005, 7:05 AM EDT for Mecklenburg 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
Jul 29, 2005, 7:05 AM EDT (11:05 UTC)
Expired
Jul 29, 2005, 10:00 AM EDT
In force
3 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), 144 km from the middle of the area, began a volume at 11:06 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 00:00Z, 11.1 hours before the alert went out and 120 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 00:00Z on 2005-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2649 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 00:00Z on 2005-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
2649 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
905 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
2.2
Supercell composite
14.2

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KGSP 291109
FFWGSP
NCC119-291400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
705 AM EDT FRI JUL 29 2005

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 1000 AM EDT

* AT 705 AM EDT...FLASH FLOODING WAS REPORTED FROM A SERIES OF
  THUNDERSTORMS STRETCHING FROM PINEVILLE TO THE EASTLAND MALL AREA.
  THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH.

* THE THUNDERSTORMS WILL CONTINUE TO REPEATEDLY AFFECT THE SAME
  LOCATIONS...AND ADDITIONAL THUNDERSTORMS ARE BUILDING TO THE
  SOUTHWEST OVER EASTERN YORK COUNTY. A SPOTTER REPORTS THAT
  MCALPINE CREEK IS ALREADY OUT OF ITS BANK AT NORTH CAROLINA ROUTE
  51.

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. TURN AROUND AND FIND ANOTHER ROUTE.

LAT...LON 3512 8065 3512 8068 3507 8080 3523 8091
      3534 8072 3534 8069 3528 8067 3525 8064
      3525 8062 3521 8055

$$
HG
1 follow-up statement
000 
WGUS72 KGSP 291306
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
904 AM EDT FRI JUL 29 2005

NCC119-291314-
MECKLENBURG NC-
904 AM EDT FRI JUL 29 2005

...THE FLASH FLOOD WARNING FOR MECKLENBURG COUNTY IS CANCELLED...

HEAVY RAIN HAS ENDED ACROSS THE COUNTY AND COUNTY OFFICIALS REPORT 
LITTLE IN THE WAY OF FLOODING PROBLEMS. MOTORISTS MAY STILL 
EXPERIENCE STANDING WATER ON ROADS AND HIGHWAYS. IT IS POSSIBLE THAT 
HEAVY RAIN WILL REDEVELOP ACROSS THE COUNTY LATER TODAY...BUT THE 
THREAT OF FLASH FLOODING HAS ENDED FOR NOW. 

LAT...LON 3512 8065 3512 8068 3507 8080 3523 8091
      3534 8072 3534 8069 3528 8067 3525 8064
      3525 8062 3521 8055

$$

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 29, 3:01 AM EDT, 4 hours 4 minutes earlier.

Area forecast discussion, Jul 29, 3:01 AM EDT, 4 hours 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
301 AM EDT FRI JUL 29 2005

.SHORT TERM (TODAY THROUGH SUNDAY)...
CONVECTION LINGERS ACROSS THE EASTERN PIEDMONT PORTION OF THE CWFA
EARLY THIS MORNING. THIS APPEARS TO BE FORCED BY LOW LEVEL
CONVERGENCE NEAR THE WAVE ALONG THE SURFACE FRONT...PERSISTENT UPPER
DIVERGENCE NEAR THE RIGHT ENTRANCE REGION OF THE UPPER JET...AND A
LIGHT WARM ADVECTION FLOW AT 850 MB. A BRIEF LULL IS EXPECTED LATER
THIS MORNING...BUT UPPER DIVERGENCE REMAINS IN PLACE THROUGH THE
DAY...THROUGH THE UPCOMING WEEKEND ACTUALLY...AND A RETURN TO AT
LEAST LIKELY COVERAGE BY AFTERNOON IS ANTICIPATED.

MODELS AGREE THAT PERISTENT UPPER TROUGHINESS WILL REMAIN ALONG...OR
JUST WEST OF...THE SOUTHERN APPALACHIANS THROUGH THE VERY SHORT
TERM. THE MODELS DIFFER...HOWEVER...WITH THE PLACEMENT OF THE
DEEPEST MOISTURE AND FORCING IN THE NEAR TERM. THE GFS LIFT AND
MOISTURE APPEAR FARTHER NORTHWEST THAN THE NAM THROUGH TONIGHT.
THE CONSENSUS 850 MB CONVERGENCE AXIS WILL STRETCH ACROSS THE
FOOTHILLS...AND THE HIGHEST RAIN CHANCES AND QPF ARE EXPECTED IN
THIS LOCATION LATE TODAY GIVEN THE PROXIMITY OF THE UPPER SUPPORT.

FAIRLY ABUNDANT CLOUDINESS AND COOLER TEMPERATURES TODAY SHOULD
LIMIT INSTABILITY...AND SEVERE THREAT...COMPARED TO YESTERDAY.
SLIGHTLY MORE UNSTABLE GFS SOUNDINGS ARE FAVORED...HOWEVER...AND
WILL LIKELY ISSUE AN SPS TO MENTION BOTH ISOLATED SEVERE AND
ISOLATED FLOODING THREAT WITH ANY STRONG CONVECTION LATER TODAY.

LINGERING WAVES ALONG THE DECAYING FRONTAL BOUNDARY WILL KEEP
SOLID PRECIPITATION CHANCES IN THE FORECAST THROUGH THE
WEEKEND...AND DEVELOPING NORTHEAST TO EAST FLOW WILL HOLD
TEMPERATURES WELL UNDER NORMAL MAXES.

&&

.LONG TERM (SUNDAY NIGHT THROUGH THURSDAY)...
A CONTINUED PERIOD OF EASTERLY FLOW REMAINS POSSIBLE THROUGH MUCH OF
NEXT WEEK. THE STALLED SOUTHEAST FRONT WILL GRADUALLY
DISSIPATE...AND A SLOW RESURGENCE OF THE SOUTHEAST RIDGE IS EXPECTED
BY LATE WEEK. TEMPERATURES SHOULD SLOWLY REBOUND TOWARD NORMAL
VALUES BY MID WEEK. NO CHANGES ARE EXPECTED IN THE CURRENT MEDIUM
RANGE AT THIS TIME.

&&

.AVIATION...
CURRENT ROUND OF CONVECTION MOVING E THROUGH KCLT AREA...WITH LOW
LEVELS CLEARING OUT IN ITS WAKE. RAIN MOISTENED AIR ALREADY YIELDING
FOG IN SOME LOCATIONS...AND EXPECT MVFR VSBYS BY DAWN...WITH TEMPO
TO IFR VSBY KGSP WHERE FOG OFF TO A FAST START. MORNING FINDS AREA
ON S SIDE OF STATIONARY FRONT WITH SW WIND...HAZE...AND BKN LOW END
OF VFR. EXPECT ANOTHER ROUND OF AFTERNOON/EVENING CONVECTION AS
WAVES MOVE UP FRONT. AS ALL MODEL GUIDANCE HAS RATHER HIGH POPS EACH
SITE...CARRYING TEMPO MVFR VSBY WITH THUNDER EVERYWHERE. WENT WITH
CONSERVATIVE GFS ON FROPA MID EVENING...BRINGING NE WIND AND MVFR
VSBY S ACROSS ALL SITES.

&&

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

SHORT TERM...HG
LONG TERM...HG
AVIATION...JAT
Hazardous weather outlook, Jul 29, 5:08 AM EDT, 1 hour 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
508 AM EDT FRI JUL 29 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-300915-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
508 AM EDT FRI JUL 29 2005

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

.DAY ONE...TODAY AND TONIGHT

A STALLED FRONT ACROSS THE REGION WILL PRODUCE NUMEROUS STRONG
THUNDERSTORMS TODAY...ESPECIALLY THIS AFTERNOON AND EVENING. A FEW
OF THESE THUNDERSTORMS COULD BECOME SEVERE. ANY THUNDERSTORMS THAT
DEVELOP WILL ALSO HAVE THE POTENTIAL TO PRODUCE TORRENTIAL
RAINFALL IN AFFECTED LOCATIONS. ISOLATED FLASH FLOODING COULD
RESULT IF THE HEAVY RAIN FALLS IN AREAS ALREADY SATURATED FROM
THE RAINFALL ON THURSDAY. FOR FURTHER DETAILS ON THE SEVERE
WEATHER AND FLOODING THREAT...PLEASE THE SPECIAL WEATHER
STATEMENT...SPSGSP...ISSUED EARLIER THIS MORNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL AFFECT THE
REGION SATURDAY THROUGH MONDAY. HEAVY RAINFALL AND FREQUENT
LIGHTNING WILL BE THE MAIN HAZARDS WITH THESE THUNDERSTORMS. THE
THUNDERSTORMS WILL BECOME MORE ISOLATED BY THE MIDDLE OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO RELAY ANY REPORTS OF SEVERE WEATHER OR FLASH
FLOODING TODAY TO THE NATIONAL WEATHER SERVICE.

GERAPETRITIS

In the hours before

Special weather statement, Jul 29, 4:07 AM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
407 AM EDT FRI JUL 29 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-291015-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...CHEROKEE...WAYNESVILLE...ASHEVILLE...MARION...
MORGANTON...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE...COLUMBUS...RUTHERFORDTON...SHELBY...LINCOLNTON...
GASTONIA...CHARLOTTE...CONCORD...MONROE...GREENVILLE...
SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...ABBEVILLE...
LAURENS...UNION...CHESTER...GREENWOOD
407 AM EDT FRI JUL 29 2005

...ISOLATED SEVERE THUNDERSTORMS AND ISOLATED FLOODING POSSIBLE
THIS AFTERNOON THROUGH THIS EVENING...

A FRONT STALLED ACROSS THE REGION TODAY WILL FOCUS THE DEVELOPMENT
OF SHOWERS AND THUNDERSTORMS IN THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA. SINCE TEMPERATURES ARE EXPECTED TO BE ABOUT FIVE DEGREES
COOLER THAN YESTERDAY...THE ATMOSPHERE SHOULD NOT BE AS UNSTABLE
AS WAS OBSERVED ON THURSDAY. NEVERTHELESS...STRONG THUNDERSTORMS
WILL LIKELY DEVELOP AND A FEW OF THOSE COULD BECOME SEVERE...WITH
WIND GUSTS TO 60 MPH AND HAIL AS LARGE AS PENNIES.

THE STRONGEST THUNDERSTORMS WILL ALSO LIKELY PRODUCE RAINFALL AT
RATES OF 1 TO 2 INCHES PER HOUR. SOIL CONDITIONS ARE ALREADY MOIST
IN MANY LOCATIONS FROM THE HEAVY RAINFALL ON THURSDAY...AND HEAVY
RAIN THIS AFTERNOON AND EVENING COULD LEAD TO ISOLATED FLASH
FLOODING.

ONCE THE DEVELOPMENT OF HEAVY RAINFALL BECOMES MORE IMMINENT...A
FLASH FLOOD WATCH FOR ALL OR PART OF THE AREA COULD BE REQUIRED
LATER TODAY. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS...OR
YOUR FAVORITE MEDIA OUTLET...FOR THE LATEST UPDATES ON THE SEVERE
WEATHER OR FLASH FLOOD POTENTIAL.

GERAPETRITIS
Special weather statement, Jul 29, 4:07 AM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED EXPIRATION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
407 AM EDT FRI JUL 29 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-292100-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...CHEROKEE...WAYNESVILLE...ASHEVILLE...MARION...
MORGANTON...HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE...COLUMBUS...RUTHERFORDTON...SHELBY...LINCOLNTON...
GASTONIA...CHARLOTTE...CONCORD...MONROE...GREENVILLE...
SPARTANBURG...GAFFNEY...ROCK HILL...ANDERSON...ABBEVILLE...
LAURENS...UNION...CHESTER...GREENWOOD
407 AM EDT FRI JUL 29 2005

...ISOLATED SEVERE THUNDERSTORMS AND ISOLATED FLOODING POSSIBLE
THIS AFTERNOON THROUGH THIS EVENING...

A FRONT STALLED ACROSS THE REGION TODAY WILL FOCUS THE DEVELOPMENT
OF SHOWERS AND THUNDERSTORMS IN THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA. SINCE TEMPERATURES ARE EXPECTED TO BE ABOUT FIVE DEGREES
COOLER THAN YESTERDAY...THE ATMOSPHERE SHOULD NOT BE AS UNSTABLE
AS WAS OBSERVED ON THURSDAY. NEVERTHELESS...STRONG THUNDERSTORMS
WILL LIKELY DEVELOP AND A FEW OF THOSE COULD BECOME SEVERE...WITH
WIND GUSTS TO 60 MPH AND HAIL AS LARGE AS PENNIES.

THE STRONGEST THUNDERSTORMS WILL ALSO LIKELY PRODUCE RAINFALL AT
RATES OF 1 TO 2 INCHES PER HOUR. SOIL CONDITIONS ARE ALREADY MOIST
IN MANY LOCATIONS FROM THE HEAVY RAINFALL ON THURSDAY...AND HEAVY
RAIN THIS AFTERNOON AND EVENING COULD LEAD TO ISOLATED FLASH
FLOODING.

ONCE THE DEVELOPMENT OF HEAVY RAINFALL BECOMES MORE IMMINENT...A
FLASH FLOOD WATCH FOR ALL OR PART OF THE AREA COULD BE REQUIRED
LATER TODAY. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS...OR
YOUR FAVORITE MEDIA OUTLET...FOR THE LATEST UPDATES ON THE SEVERE
WEATHER OR FLASH FLOOD POTENTIAL.

GERAPETRITIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 4:54 PM EDTFlash Flood WarningGSPUnion3 hr

Nearby

Flash Flood Warnings in North Carolina, 2005Every flash flood warning in 2005

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.