Alert archive / South Carolina / Flash Flood Warnings in 2015
Flash Flood Warning 53, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Dec 30, 2015, 9:34 AM EST for Anderson County, Greenville County, South Carolina. It was in force for 6 hr. 3 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
- Dec 30, 2015, 9:34 AM EST (14:34 UTC)
- Expired
- Dec 30, 2015, 3:30 PM EST
- In force
- 6 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Anderson County, SC, Greenville County, SC
The radar
The Greer radar (KGSP), 57 km from the middle of the area, began a volume at 14:34 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 30, 10:55 AM EST | FLASH FLOOD | 2 W Powdersville, SC | WATER BEGINNING TO FLOW OVER THE BRIDGE OF MILL POND RD WEST OF POWDERSVILLE, SC. |
| Dec 30, 3:00 PM EST | FLASH FLOOD | 9 Nne Anderson, SC | SOCIAL MEDIA PICTURE INDICATED THAT JONES CREEK WAS FLOWING ACROSS SHACKLEBURG ROAD NEAR THE BRIDGE. |
| Dec 30, 3:40 PM EST | FLASH FLOOD | 4 Wsw Williamston, SC | SCHP REPORTED ROADWAY FLOODING NEAR BREAZEALE DRIVE AND HIGHWAY 29. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this flash flood warning; the first came 81 minutes after it went out.
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
Charleston AFB, SC (KCHS), launched 12:00Z, 2.6 hours before the alert went out and 301 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
- 610 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 734 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
967
WGUS52 KGSP 301434
FFWGSP
SCC007-045-302030-
/O.NEW.KGSP.FF.W.0053.151230T1434Z-151230T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
934 AM EST WED DEC 30 2015
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA...
* UNTIL 330 PM EST
* AT 933 AM EST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
HEAVY RAIN OF 1-2 INCHES HAS FALLEN ACROSS THE WARNED AREA.
FLASH FLOODING IS IMMINENT. AN ADDITIONAL
1-3 INCHES OF RAIN ARE EXPECTED OVER THE NEXT SEVERAL HOURS.
FLASH FLOODING IS IMMINENT. TAKE ACTION NOW!
* NUMEROUS ROADS AND BRIDGES WILL BE THREATENED BY HEAVY RAIN
AND RAPIDLY RISING STREAMS AND CREEKS. PAY CLOSE ATTENTION
TO WATER OVER ROADWAYS...ROAD SIGNAGE...AND BARRICADES
INDICATING HIGH WATER AND FLOODING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ANDERSON...FOUNTAIN INN...HOMELAND PARK...POWDERSVILLE...
PIEDMONT...BELTON...WILLIAMSTON...NORTHLAKE...HONEA PATH AND
PENDLETON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
MOST FLOOD DEATHS OCCUR IN VEHICLES. DO NOT DRIVE INTO AREAS WHERE
WATER COVERS THE ROADWAY. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER
CAN CARRY AWAY YOUR VEHICLE. TURN AROUND...DONT DROWN.
PLEASE REPORT FLOOD WATER FLOWING OVER ROADS OR THREATENING
PROPERTY...OR LANDSLIDES TO THE NATIONAL WEATHER SERVICE GREENVILLE
SPARTANBURG BY CALLING TOLL FREE...1...800...2 6 7...8 1 0 1...OR BY
POSTING ON OUR FACEBOOK PAGE...OR TWEET IT USING HASHTAG NWSGSP. YOUR
MESSAGE SHOULD DESCRIBE THE EVENT AND THE SPECIFIC LOCATION WHERE IT
OCCURRED.
&&
LAT...LON 3427 8275 3429 8278 3434 8279 3437 8284
3447 8287 3449 8291 3448 8299 3467 8279
3482 8249 3478 8244 3466 8246 3459 8242
3470 8219 3459 8224 3454 8224 3421 8274
$$
JMP1 follow-up statement
009
WGUS72 KGSP 301924
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
224 PM EST WED DEC 30 2015
SCC007-045-302030-
/O.CON.KGSP.FF.W.0053.000000T0000Z-151230T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENVILLE SC-ANDERSON SC-
224 PM EST WED DEC 30 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM EST FOR
SOUTHEASTERN GREENVILLE AND ANDERSON COUNTIES...
AT 208 PM EST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATE 1-3
INCHES OF RAIN HAVE FALLEN ACROSS ALL OF ANDERSON AND SOUTHEASTERN
GREENVILLE COUNTIES. ONGOING RAINFALL IS PRODUCING RAINFALL RATES OF
ONE QUARTER TO ONE HALF INCH PER HOUR ACROSS THE WARNED AREA AND
ADDITIONAL RAINFALL IS EXPECTED OVER THE NEXT FEW HOURS. THIS
RAINFALL WILL EXACERBATE ONGOING FLOODING.
THIS HEAVY RAINFALL HAS PRODUCED STREAM FLOODING AND HIGH WATER
CONDITIONS THROUGHOUT THE WARNED AREA. ADDITIONAL RAINFALL MAY
PRODUCE ADDITIONAL FLOODING...OR WORSEN EXISTING FLOODING...ALONG
STREAMS...CREEKS...AND POOR DRAINAGE AREAS
ALONG ROADS...BRIDGES...AND UNDERPASSES.
STREAMS MOST LIKELY EXPERIENCING ONGOING FLOODING INCLUDE BUT ARE
NOT LIMITED TO...HURRICANE CREEK...BIG BRUSHY CREEK...CAMP
CREEK...BEAVERDAM CREEK...ROCKY RIVER...CAMP CREEK...SALUDA
RIVER...SIX AND TWENTY CREEK...HUFF CREEK...BAKER CREEK...GROVE
CREEK...AND THE REEDY RIVER.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ANDERSON...FOUNTAIN INN...HOMELAND PARK...POWDERSVILLE...PIEDMONT...
BELTON...WILLIAMSTON...NORTHLAKE...HONEA PATH AND PENDLETON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NUMEROUS ROADS AND BRIDGES WILL BE THREATENED BY HEAVY RAIN AND
RAPIDLY RISING STREAMS AND CREEKS. PAY CLOSE ATTENTION TO WATER
OVER ROADWAYS...ROAD SIGNAGE...AND BARRICADES INDICATING HIGH WATER
AND FLOODING. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROADWAY. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN CARRY AWAY
YOUR VEHICLE. TURN AROUND...DONT DROWN!
PLEASE REPORT FLOOD WATER FLOWING OVER ROADS OR THREATENING
PROPERTY...OR LANDSLIDES TO THE NATIONAL WEATHER SERVICE GREENVILLE
SPARTANBURG BY CALLING TOLL FREE...1...800...2 6 7...8 1 0 1...OR BY
POSTING ON OUR FACEBOOK PAGE...OR TWEET IT USING HASHTAG NWSGSP. YOUR
MESSAGE SHOULD DESCRIBE THE EVENT AND THE SPECIFIC LOCATION WHERE IT
OCCURRED.
&&
LAT...LON 3427 8275 3429 8278 3434 8279 3437 8284
3447 8287 3449 8291 3448 8299 3467 8279
3482 8249 3478 8244 3466 8246 3459 8242
3470 8219 3459 8224 3454 8224 3421 8274
$$
JMPWhat 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 Dec 30, 7:59 AM EST, 1 hour 35 minutes earlier.
Area forecast discussion, Dec 30, 7:59 AM EST, 1 hour 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
759 AM EST WED DEC 30 2015
.SYNOPSIS...
MOISTURE WILL PERSIST THROUGH THURSDAY AS A FRONT REMAINS STALLED IN
THE AREA. A DRYING TREND WILL BEGIN ON NEW YEARS...LASTING AT LEAST
INTO EARLY NEXT WEEK...AS HIGH PRESSURE PUSHES IN FROM THE WEST.
&&
.NEAR TERM /THROUGH TONIGHT/...
1300 UTC UPDATE...QPF HAVE BEEN RAISED OVER NE GA AND UPSTATE SC
PER TRENDS UPSTREAM IN N GA.
AS OF 630 AM EST WEDNESDAY...AS UPPER SUPPORT RAMPS UP AHEAD OF
AN APPROACHING JETMAX...STARTING TO SEE INCREASING SHRA COVERAGE
ACROSS THE AREA. THE FRONTAL AXIS TO THE SOUTH IN SLOWLY ON THE
MOVE AS EXPECTED WITH NEARLY ALL SITES SOUTH OF I85 REPORTING IN
WITH SOUTHERLY FLOW AND IMPROVING DEWPOINTS. OTHERWISE...TWEAKED
POPS A BIT TO ALIGN WITH CURRENT RADAR COVERAGE...ALONG WITH MINOR
ADJUSTMENTS TO TEMPERATURES/DEWPOINTS TO REFLECT OBS. NO OTHER
CHANGES NEEDED/MADE WITH THIS UPDATE.
PREVIOUS DISCUSSION...THE COMBINATION OF H5 RIDGING OVER THE
WESTERN ATLANTIC AND BROAD TROFING OVER THE CENTRAL CONUS CONTINUES
TO YIELD DEEP SOUTHWEST FLOW ALOFT ACROSS THE SOUTHEAST STATES.
AT THE SURFACE...THE OLD STATIONARY COLD FRONTAL AXIS IS STARTING
ITS PROGGED NORTHWARD MIGRATION AS A WARM FRONT THIS MORNING.
ADDITIONALLY...AN APPROACHING UPPER LEVEL JET MAX EJECTING
THROUGH THE SOUTHERN PLAINS AROUND THE BASE OF THE PARENT TROF
WILL AID UPPER DIVERGENCE WHILE A SERIES OF H5 VORT LOBES SLIDE
ALONG THE MEAN FLOW IN PROXIMITY TO THE SFC WARM FRONT. GIVEN THE
A FORE MENTIONED FEATURES... ALONG WITH THE MEANDERING FRONTAL
AXIS...AND AMPLE MOISTURE BY WAY OF PWAT VALUES IN EXCESS OF 3-4
STD DEVS ABOVE NORMS...MODERATE TO HEAVY RAINFALL LOOKS PROBABLE.
THE FCST CHALLENGE IS DETERMINING THE PLACEMENT OF SUCH. MOST RECENT
GUIDANCE HAS TRENDED A QPF MAXIMA OUTSIDE OF THE NC MTNS AND ACROSS
NE GA...UPSTATE SC...AND THE ENTIRE NC PIEDMONT...WHICH ALL SEEMS
LOGICAL GIVEN THE QUASISTATIONARY NATURE OF THE FRONT. FOCUSING IN
A LITTLE MORE...THE FCST WILL FAVOR THE I85/I77 CORRIDORS WITH THE
HEAVIEST QPF TOTALS AS SOUNDINGS ARE FAVORABLE FOR MODEST SBCAPE
FOR THIS TIME OF YEAR...UPWARDS OF 500-700 JOULES AS LAPSE RATES
REMAIN RELATIVELY STEEP THROUGH A DEEP LAYER. THUS...THINK DEEPER
CONVECTION COULD YIELD PRECIP RATES IN EXCESS OF A HALF TO ONE
INCH PER HOUR AT TIMES...WITH SOME CELL TRAINING POSSIBLE ALONG
THE FRONT GIVEN FAIRLY UNIDIRECTIONAL FLOW ALOFT. NEW STORM TOTAL
QPF AMOUNTS OF 1-2 INCHES ARE FCST WITH LOCALLY HIGHER AMOUNTS
CERTAINLY BEING A POSSIBILITY. ALL SAID...WILL OPT TO EXPAND
CURRENT FLOOD WATCH NORTHWEST ACROSS THE I40 CORRIDOR TO CONSUME
THE ENTIRETY OF THE NC PIEDMONT. LIKEWISE...WILL DROP THE WATCH
FURTHER WEST ACROSS MUCH OF THE NC MTNS.
ADDITIONALLY...AS NOTED ABOVE THERMAL PROFILES THIS AFTERNOON
WILL EXHIBIT MODEST LAPSE RATES WITH GUIDANCE FAVORING A TIGHT
INSTABILITY GRADIENT ADJACENT/SOUTH OF THE WARM FRONT. DEPENDING OF
THE LOCATION OF THE FRONT...LOCALES IN ITS VICINITY AND SOUTH WILL
SEE INCREASED THUNDER POTENTIAL. AS FOR SEVERE...DEFINITELY NOT
GOING TO RULE ANYTHING OUT AS THE FRONT WILL PROVIDE ADDED FOCUS
FOR LOCALIZED SHEAR MAXIMAS WITH PROFILES SUPPORTING BULK SHEAR IS
IN THE 40-50KT RANGE ON A BROADER SCALE. THUS THE HWO WILL INCLUDE
SEVERE WORDING WITH DAMAGING WINDS...FREQUENT LIGHTNING...AND FLASH
FLOODING BEING THE PRIMARY THREATS. ISOLATED TORNADOES CANNOT BE
RULED OUT GIVEN THE ABUNDANT SHEARING...HOWEVER SLIGHTLY VEERED
SURFACE FLOW WILL LIMIT THE CHANCES SOMEWHAT. THAT SAID...ANYTIME
THERE COULD BE ENHANCEMENT GIVEN BOUNDARY INTERACTION...ANYTHING
IS POSSIBLE WITH EVEN MODEST INSTABILITY THIS TIME OF YEAR.
AS FOR THE FCST...POPS WILL RAMP UP THIS MORNING FROM THE SOUTH
WITH CAT POPS FAVORED BY MIDDAY ACROSS THE ENTIRE FCST DOMAIN.
POPS WILL REMAIN ELEVATED THROUGH THE AFTERNOON BEFORE GRADUALLY
FALLING OFF FROM THE WEST AFTER SUNSET...INTO THE OVERNIGHT AS
DRIER AIR ADVECTS IN WITH AN INTRUDING COLD FRONT. TEMPERATURES
WILL BE A TOUCH COOLER THAN DAYS PAST AS ABUNDANT CLOUDINESS
INHIBITS INSOLATION...HOWEVER MAX VALUES NEAR 15 DEGREES ABOVE
CLIMO ARE FCST.
&&
.SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/...
AS OF 230 AM WEDNESDAY...SOUTHWEST FLOW ALOFT WILL CONTINUE OVER
THE SOUTHEAST AND SOUTHERN APPALACHIANS AT THE START OF THE SHORT
TERM...WITH THE COLD FRONT STALLED ACROSS SOUTHEASTERN PORTIONS OF
THE FORECAST AREA. STRONG SHORTWAVE DIGGING OUT OF SOUTH CENTRAL
CANADA INTO THE NORTHERN PLAINS WILL USHER IN THE PATTERN CHANGE
FOR THE WEEKEND. 00Z GUIDANCE IS SLOW TO MOVE THE PRECIP OUT OF OUR
SOUTHEAST ZONES THURSDAY...SO HAVE HUNG ONTO SLIGHT CHANCE SHOWERS
ACCORDINGLY. SURFACE HIGH PRESSURE BUILDS IN FROM THE WEST AND
FINALLY PUSHES ALL THE PRECIP OUT LATE ON FRIDAY. THE AFOREMENTIONED
SHORTWAVE CONTINUES TO DIG SOUTHEAST...WITH THE TROUGH AXIS CROSSING
THE SPINE OF THE APPALACHIANS TOWARD THE END OF THE PERIOD. GFS IS
A LITTLE FASTER WITH THIS...WITH THE TROUGH AXIS PUSHING THROUGH
BY 06Z SATURDAY...BUT THE ECMWF IS A TAD SLOWER AND HAS THE TROUGH
AXIS RIGHT ON THE TN/NC LINE AT THE END OF THE SHORT TERM.
THE BIG STORY WILL BE THE CHANGE IN TEMPERATURES IN THE WAKE
OF THE COLD FRONT...WITH A SECONDARY COOL-DOWN BEHIND THE
LATE-PERIOD TROUGH AXIS WHICH WILL BE REALIZED AS WE BEGIN THE
EXTENDED. SHOULD STILL SEE HIGHS WELL ABOVE SEASONAL NORMALS FOR
THE FOOTHILLS AND PIEDMONT ON THURSDAY /DEPENDING ON EXACTLY WHERE
THE FRONT IS LOCATED AT MAX HEATING/...BUT THE MOUNTAINS WILL
ALREADY BE EXPERIENCING SOME RELIEF FROM THE SPRING-LIKE TEMPS BY
THURSDAY. HIGHS THURSDAY SHOULD BE 5 OR SO DEGREES COOLER THAN
THOSE TODAY. FOR NEW YEARS DAY HOWEVER...WITH THE CAA PUSHING
IN...SHOULD SEE ANOTHER 10 DEGREE DROP IN HIGHS TO JUST SLIGHTLY
ABOVE SEASONAL AVERAGES. THE AREA HASN'T SEEN TEMPERATURES BELOW
FREEZING SINCE DECEMBER 20 AND BY NEW YEARS NIGHT...THE MOUNTAINS
AND FOOTHILLS WILL BE BACK INTO THE SWING OF NORMAL WINTER.
OTHER THAN THE TEMPERATURES...CANNOT TOTALLY RULE OUT SOME
ISOLATED SNOW SHOWERS AT THE HIGHEST ELEVATIONS LATE THURSDAY/EARLY
FRIDAY...BUT SYNOPTIC SETUP NOT PARTICULARLY SUPPORTIVE SINCE IT
IS MORE WEST TO SOUTHWEST FLOW ALOFT. TEMPS WILL BE JUST ABOVE
FREEZING FOR THE MOST PART THURSDAY NIGHT SO CONFIDENCE JUST NOT
ENOUGH TO INCLUDE ANY FLURRIES/SNOW SHOWERS AT THIS TIME.
&&
.LONG TERM /SATURDAY THROUGH TUESDAY/...
AS OF 245 AM WEDNESDAY...WE START THE EXTENDED EITHER RIGHT AFTER
THE SECONDARY UPPER TROUGH AXIS AND DRY COLD FRONT /ON THE GFS/
OR WITH IT RIGHT ON OUR DOORSTEP /ECMWF/...BUT THE RESULTING
SENSIBLE WEATHER IS THE SAME. CAA BEHIND THE SYSTEM WILL RESULT
IN HIGHS SATURDAY ACTUALLY BELOW...YES BELOW...SEASONAL NORMALS
FOR THE AREA. THIS IS SHORT-LIVED AS WE WARM UP AGAIN SUNDAY WITH
WEAK CONFLUENT FLOW ALOFT...AND RIDGING BUILDING INTO THE CENTER OF
THE COUNTRY. DRY HIGH PRESSURE WILL DOMINATE OUR WEATHER...THOUGH
UNSETTLED WEATHER IS JUST A STATE AWAY IN SOUTH GEORGIA AND ALONG
THE FLORIDA PANHANDLE AS THE FRONT REMAINS STALLED IN THOSE AREAS.
MODELS DIVERGE PRETTY SIGNIFICANTLY EARLY NEXT WEEK WITH THE GFS
BRINGING ANOTHER SHORTWAVE THROUGH EARLY MONDAY BUT WITH WEAK
RIDGING BUILDING IN FOR THE ECWMF. HOWEVER...DRY WEATHER SHOULD
CONTINUE TO DOMINATE...ALLOWING THE FORECAST AREA TO CONTINUE
TO DRY OUT...THOUGH THERE MAY BE SOME QUESTION AS TO ACTUAL
TEMPERATURES. FOR NOW HAVE KEPT A BLEND WITH TEMPERATURES PRETTY
CLOSE TO SEASONAL NORMALS. MIGHT START SEEING SOME PRECIPITATION
CREEP BACK INTO THE AREA AT THE VERY END OF THE PERIOD BUT NOT
ENOUGH CONFIDENCE TO INCLUDE AT THIS TIME.
&&
.AVIATION /13Z WEDNESDAY THROUGH SUNDAY/...
AT KCLT...IFR THROUGH MID/LATE MORNING BEFORE SOME SLIGHT
IMPROVEMENT TO MVFR AS MIXING IMPROVES. AS THE WARM FRONT SHIFTS
NORTH...DEEPER MOISTURE AND INCREASING INSTABILITY WILL BE FAVORED
THUS TAF CONTINUES TO FEATURE TSRA BY WAY OF PROB30S THIS AFTERNOON.
IT IS POSSIBLE THAT THUNDER COULD OCCUR SOONER...THUS LATER
ADJUSTMENTS TO INCLUDE TEMPOS ARE PROBABLE. ALL WX IS REMOVED
NLT THAN 06Z WITH CIGS LINGERING AT IFR/LIFR THROUGH PERIODS END.
WINDS WILL REMAIN SOUTHERLY THROUGH THIS TAF CYCLE WITH SOME
GUSTING POSSIBLE THIS AFTERNOON.
ELSEWHERE...MUCH THE SAME AS KCLT ABOVE FOR THE SC SITES AND
KAVL AS MOISTURE INCREASES YIELDING LOWERED CIGS/VISB WITH
SHRA SPREADING OVER THE AREA. EXPECTING MVFR INITIALLY WITH
IFR CIGS/VISB BY MID/LATE MORNING FOR THESE LOCALES WITH SHRA
INCREASING IN COVERAGE. CIGS ARE THEN FCST TO IMPROVE YET AGAIN TO
MVFR WITH SOME LINGERING SCT IFR STRATUS THIS AFTN...WITH THE TAF
CONTINUING TO HIGHLIGHT TSRA POTENTIAL THIS AFTN BY WAY OF VCTS
MENTION. AS FOR KHKY...CONDITIONS WILL CONTINUE TO DETERIORATE
WITH TIME...HOWEVER DELAYED GIVEN PROXIMITY TO ENCROACHING DEEPER
MOISTURE AXIS AND ANY UPSTREAM SHRA. LIKEWISE...TSRA POTENTIAL
WILL ALSO BE LESS AT KHKY THEREFORE NOT INCLUDED IN THIS TAF SET.
WINDS AT ALL SITES WILL REMAIN LIGHT/MODERATE AND SOUTHERLY THROUGH
THE PERIOD EXCEPT FOR AT KAVL WHERE A COLD FRONT WILL PASS LEADING
TO VEERED NW FLOW LATE IN THE TAF CYCLE.
OUTLOOK...DEEP LAYER MOISTURE WILL DECREASE ON THURSDAY AS A COLD
FRONT SWEEPS THROUGH THE AREA ALLOWING FOR THE RETURN OF COOL/DRY
HIGH PRESSURE AND THUS LOW CHANCES FOR RESTRICTIONS THROUGH THE
WEEKEND.
CONFIDENCE TABLE...
13-19Z 19-01Z 01-07Z 07-12Z
KCLT HIGH 82% MED 78% MED 79% HIGH 80%
KGSP HIGH 83% MED 74% HIGH 81% HIGH 85%
KAVL MED 66% MED 66% MED 66% MED 69%
KHKY HIGH 83% MED 79% HIGH 81% MED 68%
KGMU MED 77% MED 73% MED 77% MED 76%
KAND HIGH 82% MED 73% HIGH 87% MED 78%
THE PERCENTAGE REFLECTS THE NUMBER OF GUIDANCE MEMBERS AGREEING
WITH THE SCHEDULED TAF ISSUANCE FLIGHT RULE CATEGORY. COMPLETE HOURLY
EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLES AND ENSEMBLE FORECASTS
ARE AVAILABLE AT THE FOLLOWING LINK: (MUST BE LOWER CASE)
WWW.WEATHER.GOV/GSP/AVIATION
&&
.HYDROLOGY...
SOME CHANGES TO FLOOD WATCH PLACEMENT WITH THIS FCST. LOCALES
ACROSS NE GA AND UPSTATE SC REMAIN UNCHANGED WHILE THE WATCH WAS
EXPANDED NW TO INCLUDE THE ENTIRE NC PIEDMONT AS LATEST GUIDANCE
FAVORS A SHIFTED QPF MAXIMA ALONG THE QUASISTATIONARY FRONTAL AXIS.
FURTHERMORE...MUCH OF THE WESTERN EXTENT OF THE PREVIOUS WATCH
WAS REMOVED AS SAID MAXIMA REMAINS OUTSIDE OF THE MTNS.
STREAM LEVELS AROUND THE REGION ARE RUNNING QUITE HIGH GIVEN THE
RECENT RAINFALL. ALTHOUGH ADDITIONAL QPF GOING FORWARD MAY BE
LIMITED TO 1 TO 2 INCHES IN MANY AREAS...WET ANTECEDENT CONDITIONS
ALONG WITH POSSIBLY HIGHER RATES IN CONVECTION THIS AFTERNOON WILL
YIELD A RENEWED FLOODING THREAT.
DEEP MOISTURE WILL RETURN OVER THE STALLED FRONTAL BOUNDARY
TONIGHT...BRINGING PRECIPITABLE WATER ANOMALIES OF 2 TO 3+ STANDARD
DEVIATIONS ABOVE NORMAL TO THE REGION. THIS WILL INTERACT WITH MANY
AREAS WHERE 3 HOUR FLOOD GUIDANCE IS GENERALLY LESS THAN 2 INCHES.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLOOD WATCH THROUGH THURSDAY MORNING FOR GAZ010-017-018-026-
028-029.
NC...FLOOD WATCH THROUGH THURSDAY MORNING FOR NCZ036-037-056-057-
062>065-068>072-082-507>510.
SC...FLOOD WATCH THROUGH THURSDAY MORNING FOR SCZ001>014-019.
&&
SYNOPSIS...TDP
NEAR TERM...CDG/JAT
SHORT TERM...TDP
LONG TERM...TDP
AVIATION...CDG
HYDROLOGY...Hazardous weather outlook, Dec 30, 4:23 AM EST, 5 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 423 AM EST WED DEC 30 2015 GAZ010-017-018-026-028-029-NCZ036-037-056-057-062>065-068>072-082- 507>510-SCZ001>014-019-310930- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-IREDELL-DAVIE-CATAWBA- ROWAN-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-CLEVELAND- LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION-RUTHERFORD MOUNTAINS- GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD- 423 AM EST WED DEC 30 2015 ...FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. ADDITIONALLY...SCATTERED TO NUMEROUS THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING. IN ADDITION TO HEAVY RAINFALL... FREQUENT LIGHTNING AND GUSTY WINDS CAN BE EXPECTED. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE...WITH DAMAGING WINDS THE PRIMARY THREAT...BUT AN ISOLATED TORNADO CANNOT BE RULED OUT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. ..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF FLOODING OR SEVERE WEATHER TO OUR OFFICE. NCZ033-035-048>053-058-059-501>506-310930- AVERY-ALEXANDER-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE- GRAHAM-NORTHERN JACKSON-CALDWELL MOUNTAINS-GREATER CALDWELL- BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL- 423 AM EST WED DEC 30 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING. THE MAIN THREATS IN ANY THUNDERSTORM THAT DEVELOPS WILL BE BRIEF HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. ..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE.
In the hours before
Special weather statement, Dec 30, 8:15 AM EST, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
815 AM EST WED DEC 30 2015
NCZ068-SCZ007-008-301345-
CLEVELAND NC-SPARTANBURG SC-CHEROKEE SC-
815 AM EST WED DEC 30 2015
...THUNDERSTORM WITH TORRENTIAL RAINFALL WILL IMPACT PORTIONS OF
SOUTHWESTERN CLEVELAND...CENTRAL SPARTANBURG AND CHEROKEE COUNTIES
UNTIL 845 AM EST...
AT 815 AM EST...DOPPLER RADAR WAS TRACKING A THUNDERSTORM WITH
TORRENTIAL RAINFALL 7 MILES SOUTHWEST OF SPARTANBURG...OR 4 MILES
WEST OF ROEBUCK...MOVING NORTHEAST AT 40 MPH.
WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
SPARTANBURG...GAFFNEY...BOILING SPRINGS SC...BOILING SPRINGS NC...
DUNCAN...LYMAN...PACOLET...COWPENS...WELLFORD AND MAYO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
&&
LAT...LON 3476 8207 3491 8218 3518 8182 3518 8177
3523 8176 3528 8169 3505 8147 3503 8149
3499 8148 3491 8170 3491 8171 3489 8173
TIME...MOT...LOC 1315Z 240DEG 49KT 3488 8204
07Special weather statement, Dec 30, 8:45 AM EST, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
845 AM EST WED DEC 30 2015
NCZ068-SCZ007>009-301415-
CLEVELAND NC-SPARTANBURG SC-CHEROKEE SC-YORK SC-
845 AM EST WED DEC 30 2015
...THUNDERSTORM WITH TORRENTIAL RAINFALL WILL IMPACT PORTIONS OF
SOUTH CENTRAL CLEVELAND...WEST CENTRAL YORK...NORTHEASTERN
SPARTANBURG AND CHEROKEE COUNTIES UNTIL 915 AM EST...
AT 845 AM EST...DOPPLER RADAR WAS TRACKING A THUNDERSTORM WITH
TORRENTIAL RAINFALL 7 MILES EAST OF SPARTANBURG...OR NEAR COWPENS...
MOVING NORTHEAST AT 35 MPH.
WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
SHELBY...GAFFNEY...SPARTANBURG...PACOLET...COWPENS...BLACKSBURG...
PACOLET MILLS...GROVER...PATTERSON SPRINGS AND SHARON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
&&
LAT...LON 3500 8194 3533 8154 3492 8130 3488 8157
3489 8159 3487 8162 3488 8164 3490 8165
3490 8167 3491 8168 3491 8171 3485 8177
3484 8184
TIME...MOT...LOC 1345Z 243DEG 31KT 3497 8180
07Special weather statement, Dec 30, 9:22 AM EST, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
922 AM EST WED DEC 30 2015
NCZ068-SCZ008-009-301445-
CLEVELAND NC-CHEROKEE SC-YORK SC-
922 AM EST WED DEC 30 2015
...THUNDERSTORM WITH TORRENTIAL RAINFALL WILL IMPACT PORTIONS OF
SOUTHEASTERN CLEVELAND...NORTHWESTERN YORK AND NORTHEASTERN CHEROKEE
COUNTIES UNTIL 945 AM EST...
AT 921 AM EST...DOPPLER RADAR WAS TRACKING A THUNDERSTORM WITH
TORRENTIAL RAINFALL 4 MILES SOUTHEAST OF GAFFNEY...MOVING NORTHEAST
AT 25 MPH.
WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
GAFFNEY...KINGS MOUNTAIN...CLOVER...BLACKSBURG...GROVER...EARL...
SMYRNA...KINGS MOUNTAIN STATE PARK...CROWDERS MOUNTAIN STATE PARK AND
DRAYTONVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
&&
LAT...LON 3492 8159 3507 8172 3531 8139 3523 8132
3517 8133 3516 8132 3516 8126 3509 8120
TIME...MOT...LOC 1421Z 235DEG 22KT 3504 8159
07Local storm report, Dec 30, 9:27 AM EST, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
927 AM EST WED DEC 30 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0923 AM FLASH FLOOD GREENVILLE 34.84N 82.37W
12/30/2015 GREENVILLE SC PUBLIC
PUBLIC REPORTED FLOODING ACROSS THE JACOBS RD BRIDGE AND
ACROSS EAST CHAPEL DRIVE IN GREENVILLE, SC.
&&
JPTThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 3:48 AM EST | River Flood Advisory | GSP | Cherokee, York | 12 hr |
| Dec 30, 8:15 AM EST | Special Weather Statement | GSP | Cherokee, Spartanburg | 30 min |
| Dec 30, 8:23 AM EST | Areal Flood Advisory | GSP | Greenville, Spartanburg | 6 hr |
| Dec 30, 8:45 AM EST | Special Weather Statement | GSP | Cherokee | 30 min |
| Dec 30, 8:48 AM EST | Areal Flood Advisory | GSP | Oconee | 6 hr |
| Dec 30, 8:53 AM EST | Areal Flood Advisory | GSP | Anderson | 6 hr |
| Dec 30, 9:14 AM EST | Flash Flood Warning | GSP | Cherokee, Greenville, Spartanburg | 6 hr |
| Dec 30, 9:22 AM EST | Special Weather Statement | GSP | Cherokee | 23 min |
| Dec 30, 9:29 AM EST | Flash Flood Warning | GSP | Abbeville, Greenwood | 12 hr |
| Dec 30, 9:42 AM EST | Flash Flood Warning | GSP | York | 6 hr |
| Dec 30, 9:43 AM EST | Special Weather Statement | GSP | Abbeville | 32 min |
| Dec 30, 10:08 AM EST | Flash Flood Warning | GSP | Laurens | 5 hr |
| Dec 30, 10:44 AM EST | Special Weather Statement | GSP | Abbeville | 46 min |
| Dec 30, 10:58 AM EST | Special Weather Statement | GSP | Newberry | 47 min |
| Dec 30, 11:17 AM EST | Flash Flood Warning | GSP | Chester, Spartanburg, Union | 6 hr |
| Dec 30, 11:18 AM EST | Flash Flood Warning | GSP | York | 6 hr |
| Dec 30, 12:15 PM EST | Special Weather Statement | GSP | Lancaster | 30 min |
| Dec 30, 12:21 PM EST | Severe Thunderstorm Warning | GSP | Chester | 24 min |
| Dec 30, 12:57 PM EST | Special Weather Statement | GSP | Greenwood | 33 min |
| Dec 30, 1:37 PM EST | Special Weather Statement | GSP | Abbeville | 23 min |
| Dec 30, 2:59 PM EST | Flash Flood Warning | GSP | Laurens | 6 hr |
| Dec 30, 3:15 PM EST | Flash Flood Warning | GSP | Cherokee, Greenville, Spartanburg | 6 hr |
| Dec 30, 3:30 PM EST | Areal Flood Warning | GSP | Anderson | 3 hr |
| Dec 30, 3:45 PM EST | Areal Flood Warning | GSP | York | 6 hr |
| Dec 30, 4:53 PM EST | River Flood Advisory | GSP | Cherokee, York | 12 hr |
| Dec 30, 5:03 PM EST | Areal Flood Warning | GSP | York | 6 hr |
| Dec 30, 5:09 PM EST | Areal Flood Advisory | GSP | Chester | 3 hr |
| Dec 30, 5:53 PM EST | Areal Flood Advisory | GSP | Cherokee, Greenville, Spartanburg | 4 hr |
Nearby
Flash Flood Warnings in South Carolina, 2015Every flash flood warning in 2015
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.