Alert archive / North Carolina / Flash Flood Warnings in 2008

Flash Flood Warning 21, NWS Greenville-Spartanburg, SC

August 26, 2008Jackson County, Transylvania County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 26, 2008, 5:27 PM EDT for Jackson County, Transylvania County, North Carolina. It was in force for 10 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 26, 2008, 5:27 PM EDT (21:27 UTC)
Expired
Aug 27, 2008, 3:15 AM EDT
In force
10 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

Counties Jackson County, NC, Transylvania County, NC

The radar

The Greer radar (KGSP), 81 km from the middle of the area, began a volume at 21:29 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.

What was reported inside it

TimeReportWhereRemark
Aug 26, 8:00 PM EDTFLASH FLOODCullowhee, NCCACEY FORK ROAD CLOSED DUE TO FLOODING.
Aug 26, 9:00 PM EDTFLASH FLOODCullowhee, NCHELEN ZACKORY ROAD CLOSED DUE TO FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.5 hours before the alert went out and 248 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 825 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2008-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 square meters per square second.19395878Sfc1 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
825 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
459 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
1.3
Supercell composite
13.3

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KGSP 262127
FFWGSP
NCC099-175-270115-
/O.NEW.KGSP.FF.W.0021.080826T2127Z-080827T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
527 PM EDT TUE AUG 26 2008

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN JACKSON COUNTY IN WESTERN NORTH CAROLINA...
  TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 915 PM EDT

* AT 511 PM EDT...COUNTY OFFICIALS IN JACKSON COUNTY REPORTED FLASH 
FLOODING IN THE CASHIERS AREA. FRANK ALLEN ROAD HAS BEEN CLOSED DUE 
TO STREAM FLOODING. ALSO...THE CASHIERS POST OFFICE WAS EXPERIENCING 
FLOODING FROM A NEARBY STREAM. IN TRANSYLVANIA COUNTY...RADAR 
RAINFALL ESTIMATES AND AUTOMATED RAIN GAGES INDICATE THAT BETWEEN 1 
TO 3 INCHES OF RAIN HAS FALLEN SINCE 2 PM THIS AFTERNOON. THROUGH 
630 PM...ADDITIONAL SHOWERS WILL LIKELY RESULT IN AN ADDITIONAL 1 TO 
2 INCHES. THE ADDITIONAL RAINFALL WILL LIKELY PUSH SEVERAL SMALL 
STREAMS AND CREEKS ABOVE BANKFULL ACROSS SOUTHERN JACKSON COUNTY AND 
TRANSYLVANIA COUNTY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOLF
  MOUNTAIN...TUCKASEGEE...LITTLE RIVER...GAY...CEDAR MOUNTAIN AND
  BALSAM GROVE.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. EVEN MODERN SPORT
UTILITY VEHICLES CANNOT BE SAFELY DRIVEN THROUGH FLOOD WATERS.

TO REPORT HIGH WATER...FLOODING...MUDSLIDES...LANDSLIDES OR OTHER
SEVERE WEATHER THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL
FREE NUMBER...1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3537 8300 3532 8297 3528 8290 3531 8284
      3541 8274 3529 8261 3515 8258 3501 8302
      3501 8312 3507 8316 3509 8315 3516 8323
      3523 8322 3522 8327 3529 8331

$$

NED
3 follow-up statements
000 
WGUS72 KGSP 262340
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
740 PM EDT TUE AUG 26 2008

NCC099-175-270115-
/O.CON.KGSP.FF.W.0021.000000T0000Z-080827T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRANSYLVANIA NC-JACKSON NC-
740 PM EDT TUE AUG 26 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR
SOUTHERN JACKSON AND TRANSYLVANIA COUNTIES...

AT 721 PM EDT...AN AUTOMATED RIVER GAGE ON THE FRENCH BROAD RIVER AT 
ROSMAN INDICATED THE RIVER LEVEL AT 7.9 FEET...FLOOD STAGE IS 8 PM. 
THE STAGE AT ROSMAN MAY REACH 10 FEET AT MIDNIGHT BEFORE LEVELS 
BEGIN TO DECREASE. AT 720 PM...THE STAGE OF THE DAVIDSON RIVER NEAR 
BREVARD WAS 6.2 FEET...FLOOD STAGE IS 6 FEET. AT 6.5 FEET...THE 
RIVER WILL BEGIN TO FLOOD NEARBY ROADS.

AREAS ACROSS CENTRAL AND SOUTHERN JACKSON COUNTY WILL CONTINUE TO 
SEE RUNOFF AND LIGHT TO MODERATE RAIN SHOWERS. SEVERAL SMALL STREAMS 
AND CREEKS WILL LIKELY REMAIN IN FLOOD...LEVELS COULD POSSIBLY RISE 
SLIGHTLY THROUGH 830 PM.

TO REPORT HIGH WATER...FLOODING...MUDSLIDES...LANDSLIDES OR OTHER 
SEVERE WEATHER THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL
FREE NUMBER...1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3537 8300 3532 8297 3528 8290 3531 8284
      3541 8274 3529 8261 3515 8258 3501 8302
      3501 8312 3507 8316 3509 8315 3516 8323
      3523 8322 3522 8327 3529 8331

$$

NED
000 
WGUS52 KGSP 270116
FFWGSP
NCC099-175-270715-
/O.EXT.KGSP.FF.W.0021.000000T0000Z-080827T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
916 PM EDT TUE AUG 26 2008

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS EXTENDED
THE

* FLASH FLOOD WARNING FOR...
  SOUTHERN JACKSON COUNTY IN WESTERN NORTH CAROLINA...
  TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 315 AM EDT WEDNESDAY

* AT 904 PM EDT...COUNTY OFFICIALS IN TRANSYLVANIA COUNTY REPORTED 
SEVERAL ROADS ALONG THE FRENCH BROAD RIVER FROM ROSMAN TO BREVARD 
REMAIN CLOSED DUE TO FLOODING. AT 905 PM...NATIONAL WEATHER SERVICE 
RADAR DETECTED A CLUSTER OF MODERATE SHOWERS ALONG THE TRANSYLVANIA 
JACKSON COUNTY LINE. THESE SHOWERS ARE MOVING EAST AT 15 MPH. AN 
ADDITIONAL HALF INCH OF RAIN MAY FALL ACROSS SOUTHERN JACKSON AND 
TRANSYLVANIA COUNTIES BY 1030 PM. THE ADDITIONAL RAINFALL MAINTAIN 
CURRENT FLOODING AND COULD LEAD TO NEW FLOODING ALONG SMALL STREAMS 
AND CREEKS. IN ADDITION...HEAVY RUNOFF MAY TRIGGER MUD SLIDES ON 
STEEP TERRAIN.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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

TO REPORT HIGH WATER...FLOODING...MUDSLIDES...LANDSLIDES OR OTHER
SEVERE WEATHER THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL
FREE NUMBER...1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3537 8300 3532 8297 3528 8290 3531 8284
      3541 8274 3529 8261 3515 8258 3501 8302
      3501 8312 3507 8316 3509 8315 3516 8323
      3523 8322 3522 8327 3529 8331

$$

NED
000 
WGUS72 KGSP 270500
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
100 AM EDT WED AUG 27 2008

NCC099-270509-
/O.CAN.KGSP.FF.W.0021.000000T0000Z-080827T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON NC-
100 AM EDT WED AUG 27 2008

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN JACKSON
COUNTY...

STREAM GAGES AND COUNTY COMMUNICATIONS INDICATE THE FLOOD CONDITIONS 
HAVE IMPROVED AND RIVER AND STREAMS WILL CONTINUE TO FALL AND
RECEDE. NO ADDITIONAL HEAVY RAIN IS EXPECTED OVERNIGHT.

LAT...LON 3504 8304 3509 8299 3512 8298 3516 8298
      3522 8294 3522 8293 3528 8290 3531 8284
      3541 8274 3529 8261 3515 8258 3502 8301

$$

NCC175-270715-
/O.CON.KGSP.FF.W.0021.000000T0000Z-080827T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRANSYLVANIA NC-
100 AM EDT WED AUG 27 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM EDT FOR
TRANSYLVANIA COUNTY...

AT 1254 AM EDT...RUNOFF FROM EARLIER HEAVY RAIN WILL CONTINUE TO
RESULTING IN HIGH WATER CONDITIONS ALONG STREAMS AND CREEKS 
FEEDING INTO THE DAVIDSON AND FRENCH BROAD RIVERS. THE STAGE
ON THE FRENCH BROAD RIVER DOWNSTREAM OF ROSMAN WILL CONTINUE TO
RISE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3504 8304 3509 8299 3512 8298 3516 8298
      3522 8294 3522 8293 3528 8290 3531 8284
      3541 8274 3529 8261 3515 8258 3502 8301

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:07 AM EDTAreal Flood AdvisoryGSPGaston, Mecklenburg113 min
Aug 26, 9:18 AM EDTFlash Flood WarningGSPMecklenburg4 hr
Aug 26, 10:05 AM EDTAreal Flood AdvisoryGSPUnion115 min
Aug 26, 10:30 AM EDTTornado WarningGSPUnion30 min
Aug 26, 10:37 AM EDTFlash Flood WarningGSPCabarrus, Mecklenburg3 hr
Aug 26, 11:17 AM EDTAreal Flood AdvisoryGSPBuncombe, Henderson, McDowell, Polk, Rutherford, Yancey118 min
Aug 26, 12:04 PM EDTFlash Flood WarningGSPMcDowell, Rutherford3 hr
Aug 26, 1:16 PM EDTTornado WarningGSPUnion36 min
Aug 26, 1:34 PM EDTFlash Flood WarningGSPMitchell, Yancey3 hr
Aug 26, 2:15 PM EDTFlash Flood WarningGSPUnion3 hr
Aug 26, 3:32 PM EDTTornado WarningGSPHenderson, Transylvania18 min
Aug 26, 5:55 PM EDTFlash Flood WarningGSPMacon6 hr
Aug 26, 7:05 PM EDTFlash Flood WarningGSPHaywood, Jackson6 hr

Nearby

Flash Flood Warnings in North Carolina, 2008Every flash flood warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.