Alert archive / North Carolina / Flash Flood Warnings in 2004
Flash Flood Warning 42, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 25, 2004, 8:08 PM EDT for Jackson 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 25, 2004, 8:08 PM EDT (00:08 UTC)
- Expired
- Jul 25, 2004, 10:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Jackson County, NC
The radar
The Knoxville radar (KMRX), 89 km from the middle of the area, began a volume at 00:11 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.1 hours before the alert went out and 252 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.
- Mixed-layer CAPE
- 266 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1762 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KGSP 260010 FFWGSP NCC099-260245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 808 PM EDT SUN JUL 25 2004 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS REISSUED A * FLASH FLOOD WARNING FOR... JACKSON COUNTY IN WESTERN NORTH CAROLINA * UNTIL 1045 PM EDT * AT 752 PM EDT...THE JACKSON COUNTY DISPATCH REPORTED ONGOING FLOODING WITHIN AND AROUND THE TOWN OF SYLVA. AREAS ALONG COPE AND SCOTT CREEKS HAVE SEVERAL ROADS COVERED IN WATER...WITH SECTIONS OF COPE CREEK ROAD WASHED OUT. ALSO...URBAN FLOODING HAS RESULTED FROM CLOGGED CULVERTS AND ROADSIDE DRAINAGE. AT 805 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF SHOWERS AND ISOLATED THUNDERSTORMS OVER MACON COUNTY. THIS CLUSTER IS EXPECTED TO CONTINUE TO MOVE NORTHEAST AT 15 MPH...REACHING CENTRAL JACKSON COUNTY BY 900 PM. THESE SHOWERS AND THUNDERSTORMS MAY RESULT IN AN ADDITIONAL 1/4 TO 3/4 ON AN INCH OVER THE NORTHERN HALF OF THE COUNTY. THIS ADDITIONAL RAINFALL WILL LIKELY EXTENDED THE PERIOD OF FLOODING WATERS. PERSONS NEAR COPE AND SCOTT CREEKS SHOULD MONITOR LEVELS FREQUENTLY FOR RISING WATER. WHEN DRIVING ALONG ROADS WHERE THE TERRAIN IS STEEP OR ROCKY...REMAIN ALERT FOR POSSIBLE ROCK OR MUD SLIDES DUE TO THE HEAVY RAIN. LAT...LON 3544 8337 3515 8320 3535 8299 3552 8323 $$ NED
2 follow-up statements
000 WGUS72 KGSP 260158 FFSGSP NCC099-260245- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 957 PM EDT SUN JUL 25 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1045 PM EDT FOR JACKSON COUNTY... AT 940 PM EDT...THE JACKSON COUNTY DISPATCHED WAS NOT AWARE OF ANY NEW DEVELOPING FLOODING. HOWEVER...FLOODING IS ONGOING WITHIN AND NEAR THE TOWN OF SYLVA. WATER CONTINUES TO COVER PORTIONS OF COPE CREEK ROAD EAST OF TOWN. AT 955 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT RAINFALL OVER JACKSON COUNTY HAS TAPERED OFF TO PATCHES OF LIGHT RAIN AND SPRINKLES. ANOTHER AREA OF RAIN OVER GRAHAM AND SWAIN COUNTIES WILL PUSH EAST THIS EVENING...POSSIBLY REACHING THE NORTHERN HALF OF THE COUNTY BY 1030 PM. THIS AREA OF RAIN IS EXPECTED TO RESULT IN AN ADDITIONAL TENTH TO QUARTER OF AN INCH ALONG AND NORTH OF A LINE FROM THE TOWN OF GAY TO SYLVA TO BALSAM. ANY ADDITIONAL RAINFALL WILL SLOWLY THE RATE OF THE RECEDING WATER LEVELS. MORE IMPORTANTLY...THE ADDITIONAL RAINFALL AT NIGHT WILL MAKE IT HARDER TO RECOGNIZE THE DEPTH OF THE WATER COVERING THE ROAD...TURN AROUND IF YOU ENCOUNTER ANY WATER. LAT...LON 3544 8337 3515 8320 3535 8299 3552 8323 $$ NED
000 WGUS72 KGSP 260248 FFSGSP NCC099-260255- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1047 PM EDT SUN JUL 25 2004 ...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRED AT 1045 PM EDT FOR JACKSON COUNTY... AT 1045 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT RAINFALL HAS TAPERED TO SPRINKLES AND PATCHY LIGHT RAIN SHOWERS. LEVELS OF STREAMS AND CREEKS WILL CONTINUE TO RECEDED AND ADDITIONAL FLOODING IS UNLIKELY. LAT...LON 3544 8337 3515 8320 3535 8299 3552 8323 $$ NED
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 25, 8:08 PM EDT, 0 minutes earlier.
Area forecast discussion, Jul 25, 8:08 PM EDT, 0 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 808 PM EDT SUN JUL 25 2004 .SHORT TERM (REST OF TONIGHT)... SHORTWAVE APPROACHING W MTNS IS EXPECTED TO KEEP CONVECTION GOING THROUGH THE EVENING HOURS. WILL UPDATE TO EXPAND LIKELY COVERAGE ACROSS THE NC MOUNTAINS THROUGH THIS EVENING. && .PREVIOUS DISCUSSION... THE FOLLOWING WAS ORIGINALLY ISSUED AT 259 PM EDT SUN JUL 25 2004 SHORT TERM (TONIGHT THROUGH WEDNESDAY)... THE SURFACE PATTERN THIS AFTN IS DOMINATED BY TROUGHS ALONG THE COAST AND JUST WEST OF THE APPALACHIANS...WHILE RIDGING CONT EAST OF THE MTN CHAIN WITH A PERSISTENT NE FLOW. KGSP VAD WIND PROFILE SHOWS THREE GATES OF EASTERLY FLOW NEAR THE GROUND...BUT SHORT RANGE MODELS INDICATE ONLY SLIGHT IMPROVEMENT IN THE UPSLOPE COMPONENT THROUGH THE OVERNIGHT HOURS. THUS...BEST COVERAGE THROUGH THE TONIGHT PERIOD SHOULD COME TOGETHER OVER THE HIGHER TERRAIN WITH CONVECTION STEERED TOWARD THE MTN CHAIN FROM ERN TN...AND THEN WEAK UPSLOPE TRIGGERING ALONG THE ERN ESCARPMENT. PRECIPITATION AMOUNTS SHOULD BE GREATEST NEAR THE TN BORDER THIS EVENING WHERE HIGHER INSTABILITY WILL YIELD GREATER PRECIP RATES. FLOW VEERS SRLY TOMORROW THROUGH TUESDAY NIGHT AHEAD OF LOW PRESSURE RIDING NORTHWARD ALONG THE FRONT TOWARD THE OH VALLEY. THIS WILL RESULT IN AN INCREASED FLOW OF GULF MOISTURE INTO THE REGION AND IMPROVING S TO SW UPSLOPE FLOW. THE PROXIMITY OF THE UPPER JET STREAK MAY FINALLY START TO LEND SOME UPPER DIVERGENCE TO THE MIX BY MONDAY NIGHT...BUT A STRONG WEST TO EAST GRADIENT OF POPS IS STILL EXPECTED WITH THE HEAVY RAINFALL THREAT CONFINED MAINLY TO THE MTNS. WILL ADJUST THE ESF TO INCLUDE ONLY THE MTN COUNTIES AND ONE TIER OF ADJACENT FOOTHILL COUNTIES THROUGH TUESDAY. FROPA IS TENTATIVELY SLATED FOR TUE NIGHT. THE DEGREE OF DRYING THROUGH WED IS QUESTIONABLE AS BOUNDARY COULD STALL IN...OR JUST EAST OF THE FORECAST AREA. LONG TERM (WEDNESDAY NIGHT THROUGH SUNDAY)... SFC BNDRY IS FORECAST TO DISSIPATE ACRS THE CAROLINAS ON DAY 4 AND MODEL CONSENSUS IS FOR ATLANTIC RIDGING TO BEGIN BUILDING WESTWARD INTO THE MID-ATLANTIC AND SOUTHEAST U.S. AT THE END OF THE WORK WEEK. FOR NEXT WEEKEND...THIS RIDGE WILL BECOME THE DOMINANT WX FEATURE WITH THE CWFA ASSUMING A FAIRLY TYPICAL SUMMERTIME ORIENTATION... COMING UNDER IT/S WESTWARD EXTENDING NOSE. MOIST SOUTHEAST FLOW LOOKS TO EVOLVE INTO AN INCREASINGLY DEEP AND MOIST SOUTHERLY FLOW HEADING INTO THE WEEKEND...WHICH USUALLY RESULTS IN ABOVE NORMAL CONVECTIVE ACTIVITY. MAX TEMPS FOR DAY 4-7 ARE EXPECTED TO BE NEAR IF NOT JUST A TOUCH BELOW NORMAL. AVIATION... LACK OF OBVIOUS TRIGGERING MECHANISM THIS AFTERNOON AND EVENING WILL RESULT IN A LIMITING OF ANY THUNDER CHANCES TO JUST KAVL. HAVE DELAYED ONSET OF NOCTURNAL STRATCU CIGS FOR THE UPSTATE TAFS UNTIL THE OVERNIGHT WITH ETA MODEL TIMEHEIGHT CROSS SECTIONS DELAYING NOTABLE MOISTENING WITHIN 1000-850 MB LAYER UNTIL GENERALLY AFTER 06Z. CONSENSUS AMONG 12Z SHORT RANGE MODELS THAT THREAT OF IFR CIGS BECOMING MORE PROBABLE...SO HAVE ADDED AT LEAST A PERIOD OF LOW CIGS ADVECTING IN FROM NNE TO AS FAR SOUTHWEST AS KGSP THRU DAYBREAK. NOMINAL CHANGES TO EARLIER VSBY RESTRICTIONS SINCE CONFIDENCE REMAINS LOW FOR ADDITIONAL PCPN AT ANY TERMINALS THIS AFTERNOON OR EVENING. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM (UPDATE)...RB
Hazardous weather outlook, Jul 25, 5:15 AM EDT, 14 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 515 AM EDT SUN JUL 25 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-260906- 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- 515 AM EDT SUN JUL 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE MOUNTAINS AND FOOTHILLS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON. THE THUNDERSTORMS WILL BE VERY SLOW MOVING...AND SOME LOCATIONS WILL SEE LOCALLY VERY HEAVY RAIN. THE SCATTERED THUNDERSTORMS WILL CONTINUE OVER THE MOUNTAINS FOOTHILLS MUCH OF THE NIGHT. .DAYS TWO THROUGH SEVEN... NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE REGION MONDAY THROUGH TUESDAY. WITH A MOIST ATMOSPHERE AND WEAK WINDS ALOFT...THE STORMS WILL BE VERY SLOW MOVING. A FEW AREAS WILL LIKELY SEE SEVERAL INCHES OF RAIN...AND SOME ISOLATED FLOODING AND FLASH FLOODING MAY DEVELOP. THERE WILL BE A CHANCE OF THUNDERSTORMS AGAIN ACROSS THE REGION ON THURSDAY AND FRIDAY...AND IN THE MOUNTAINS ON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON...MAINLY TO REPORT RAINFALL AMOUNTS AND MONITOR STREAM LEVELS. MCAVOY
In the hours before
Local storm report, Jul 25, 5:17 PM EDT, 2 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
517 PM EDT SUN JUL 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0450 PM TSTM WND DMG SYLVA 35.37N 83.22W
07/25/2004 JACKSON NC EMERGENCY MNGR
A COUPLE OF TREES DOWN IN THE TOWN OF SYLVA.
&&
NEDLocal storm report, Jul 25, 6:09 PM EDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
609 PM EDT SUN JUL 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0450 PM FLASH FLOOD 5 WSW WAYNESVILLE 35.46N 83.08W
07/25/2004 HAYWOOD NC EMERGENCY MNGR
DISPATCH CENTER REPORTED A MUDSLIDE AT SAUNOOK F.D. HAD
RESULTED IN SOME INTERIOR DAMAGE. HIGH WATER ROSE ABOUT 3
FEET ON SIDE OF BUILDING. VALLEYBROOK TRAILER PARK ON
ALLENS CREEK REPORTED MINOR FLOODING DUE TO CREEK OUT OF
BANKS. MOST PROBLEMS HAVE BEEN CONFINED TO BALSAM GAP
AREA...IN WESTERN PORTION OF COUNTY.
0540 PM FLASH FLOOD SYLVA 35.37N 83.22W
07/25/2004 JACKSON NC LAW ENFORCEMENT
DISPATCH CENTER REPORTED NUMEROUS CREEKS OUT OF BANKS IN
CITY OF SYLVA. COPE CREEK HAS FLOODED SEVERAL ROADS...ONE
OF WHICH HAS PROMPTED D.O.T. TO CLOSE A ROAD. ALSO A FEW
POWER OUTAGES DUE TO WET GROUND AND WIND.
&&
LAMBLocal storm report, Jul 25, 6:28 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
628 PM EDT SUN JUL 25 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0500 PM TSTM WND DMG 1 E MARS HILL 35.83N 82.53W
07/25/2004 MADISON NC EMERGENCY MNGR
DISPATCHER RELAYED REPORT FROM EMERGENCY MANAGER OF
SEVERAL TREES DOWN ON CALIFORNIA CREEK RD. ALSO AT LEAST
ONE ROOF BLOWN OFF A BARN. CALIFORNIA CREEK CAME OUT OF
BANKS TEMPORARILY...SPREADING MUD ONTO ADJACENT ROAD. HAS
SINCE RECEDED.
&&
LAMBNearby
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.