Alert archive / North Carolina / Areal Flood Advisories in 2013

Areal Flood Advisory 310, NWS Greenville-Spartanburg, SC

July 21, 2013McDowell County, Polk County, Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this areal flood advisory at Jul 21, 2013, 3:25 PM EDT for McDowell County, Polk County, Rutherford County, North Carolina. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jul 21, 2013, 3:25 PM EDT (19:25 UTC)
Expired
Jul 21, 2013, 5:30 PM EDT
In force
2 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties McDowell County, NC, Polk County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 68 km from the middle of the area, began a volume at 19:27 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.4 hours before the alert went out and 209 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 2013-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 345 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 2013-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
345 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
52 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.

574 
WGUS82 KGSP 211925
FLSGSP

FLOOD ADVISORY
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
325 PM EDT SUN JUL 21 2013

NCC111-149-161-212130-
/O.NEW.KGSP.FA.Y.0310.130721T1925Z-130721T2130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCDOWELL NC-POLK NC-RUTHERFORD NC-
325 PM EDT SUN JUL 21 2013

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLOOD ADVISORY FOR HEAVY RAINFALL IN...
  NORTHERN POLK COUNTY IN WESTERN NORTH CAROLINA...
  SOUTHEASTERN MCDOWELL COUNTY IN WESTERN NORTH CAROLINA...
  WESTERN RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 530 PM EDT

* AT 325 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SLOW MOVING THUNDERSTORM WITH HEAVY RAINFALL ACROSS THE ADVISORY 
  AREA. DOPPLER RADAR ESTIMATED BETWEEN 1 TO 2 INCHES OF RAIN HAS    
  FALLEN OVER THE ADVISORY AREA IN THE PAST HOUR. ADDITIONAL         
  RAINFALL OF UP TO ONE INCH IS POSSIBLE.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE MINOR FLOODING TO
  OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER
  CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE MINOR FLOODING
  INCLUDE...RUTHERFORDTON...LAKE ADGER...LAKE LURE...SPINDALE AND
  THERMAL CITY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...
OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

PLEASE REPORT HIGH WATER...FLOODING...LANDSLIDES OR OTHER SEVERE
WEATHER 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 3556 8185 3526 8195 3528 8226 3552 8222
      3553 8217 3554 8220 3555 8222 3557 8221

$$

JOH

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jul 21, 1:48 PM EDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jul 21, 1:48 PM EDT, 1 hour 37 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
148 PM EDT SUN JUL 21 2013

.SYNOPSIS...
AN TROUGH OF LOW PRESSURE DEVELOPS OVER THE EASTERN U.S. DURING THE
FIRST PART OF THE WEEK...ALLOWING FOR OCCASIONAL UPPER LEVEL
DISTURBANCES TO MOVING THROUGH THE AREA. A WEAK COLD FRONT WILL THEN
MOVE INTO THE AREA ON THURSDAY...REACHING THE COAST BY FRIDAY. DRY
HIGH PRESSURE THEN MOVES IN BEHIND THE FRONT FOR THE
WEEKEND.

&&

.NEAR TERM /THROUGH MONDAY/...
AT 230 PM EDT SUNDAY...AN UPPER TROUGH WILL CONTINUE TO AMPLIFY OVER
THE EASTERN USA THROUGH MONDAY. A PAIR OF SHORTWAVES WILL MOVE
THROUGH THE BASE OF THE TROUGH OVER THE TN VALLEY...ONE EARLY
MONDAY...AND THE OTHER LATE MONDAY. MODEL TIME HEIGHTS SHOW DEEP
MOISTURE PERSISTING OVER OUR AREA ON THE WEST SIDE OF A BERMUDA
HIGH.

OUR AREA REMAINS IN WEAK STEERING FLOW AGAIN THIS AFTERNOON...WITH
ENOUGH INSTABILITY FOR TALL UPDRAFTS....AND A CASE CAN BE MADE FOR
SOME ISOLATED FLASH FLOODING WHERE CELLS MOVE SLOWLY OR TRAIN. SHEAR
REMAINS QUITE WEEK...AND STORM ORGANIZATION IS NOT FAVORED...
LIMITING SEVER WEATHER POTENTIAL.

INSTABILITY WILL WANE THIS EVENING...WHILE STEERING FLOW
INCREASES...DECREASING THE THREAT OF HEAVY RAINFALL. MINIMUM
TEMPERATURES WILL REMAIN ABOVE NORMAL IN THE MOIST AIR MASS. THE
BEST CASE FOR FOG WILL BE IN THE NC MOUNTAIN VALLEYS...AS IT HAS
BEEN FOR SEVERAL NIGHTS NOW.

THE ADDITION OF UPPER LEVEL FORCING WILL SUPPORT HIGHER POPS...
ESPECIALLY OVER THE MOUNTAINS. MODEL SOUNDINGS SHOW MODEST
INSTABILITY AS HEATING WILL BE LIMITED WITH FALLING HEIGHTS ALOFT
AND ABUNDANT CLOUD COVER. SHEAR WILL BE SLIGHTLY BETTER HOWEVER.
VERY MOIST PROFILES WILL SUPPORT HEAVY RAINFALL WITH BETTER
DEVELOPED STORMS...BUT AT LEAST THERE WILL BE MORE STEERING FLOW
THAN BEFORE TO KEEP CELLS MOVING. MAXIMUMS TEMPERATURES ARE EXPECTED
TO RUN A COUPLE OF DEGREES BELOW NORMAL.

&&

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...
AS OF 145 PM EDT SUNDAY...UPPER FORCING MAXIMA ASSOCIATED WITH THE
EASTERN RIPPING VORT REMAINS PROGGED TO LINGER WELL INTO MONDAY
NIGHT GIVING A BOOST NOCTURNAL COVERAGE OF SHOWERS AND ISOLD TSTMS
THROUGH DAYBREAK ON TUE. BROAD UPPER TROUGHINESS CONTINUES ALL ACRS
THE EASTERN CONUS ON TUESDAY AND IT IS UNCERTAIN AT THIS POINT
WHETHER A PERIOD OF NVA BEHIND DEPARTING VORT WILL DELAY OR INHIBIT
DEEP CONVECTIVE REDEVELOPMENT. AT THIS POINT...WILL STAY THE COURSE
WITH THE INHERITED POPS RAMPING BACK UP TO ABOVE CLIMO IN THE
AFTERNOON WITH GOOD MOS AGREEMENT. MAX TEMPS WILL BE CLOSE TO
PERSISTENCE...PRETTY CLOSE TO NORMAL. SHORT RANGE MODELS ADVERTISE
ADDITIONAL ENERGY ROTATING THROUGH THE L/WV TROUGH ON WEDNESDAY
WHICH SHOULD PROVIDE ANOTHER BOOST TO DIURNAL TSTM CVRG. ABOVE CLIMO
POPS WILL BE FEATURED AGAIN FOR WEDNESDAY AFTERNOON/EVENING.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SATURDAY/...
AS OF 1230 PM EDT SUNDAY...WITH THE 21/12 UTC OP GFS CONTINUING TO
ADVERTISE FRONTAL BNDRY SLIPPING E/SE OF THE CWFA ON THURSDAY...
THERE EXISTS THE POSSIBILITY OF EVENTUALLY LOWERING POPS TO BELOW
CLIMO...BUT FOR NOW WILL SIMPLY PARE INHERITED POP BACK TO LOW
CHANCE. THE SAME CAN BE SAID FOR FRIDAY AS THE CWFA MAY WIND UP
REMAINING WITHIN A MOISTURE AND LIFT MINIMA...BETWEEN THE LLVL
FRONTAL ZONE ALONG THE COAST AND MORE ENERGY LOADING UP ACRS THE
MIDWEST AND MID SOUTH. WE ARE STILL LOOKING AT LATE WEEK MAX TEMPS
TO BE NEAR TO SLIGHTLY BELOW CLIMO. MORE ROBUST TSTM CHANCES MAY
RETURN FOR NEXT WEEKEND AS ENERGY WITHIN LINGERING BROAD EASTERN
CONUS L/WV TROUGH ENCROACHES.

&&

.AVIATION /18Z SUNDAY THROUGH FRIDAY/...
AT KCLT...A GUIDANCE CONSENSUS FAVORS MVFR VSBY IN FOG AROUND
DAYBREAK MONDAY. GUIDANCE APPEARS TO OPTIMISTIC WITH CIGS GIVER
PERSISTENT PATTER...AN MVFR WILL BE CARRIED LATE TONIGHT AND EARLY
MONDAY. CONVECTIVE COVERAGE THIS AFTERNOON IS EXPECTED TO BE
GREAT ENOUGH FOR A TEMPO IN THE TAF...WITH MVFR VSBY AND CIG
RESTRICTIONS ACCOMPANYING THUNDERSTORMS. LIGHT WINDS WILL GENERALLY
BE FROM THE SW.

ELSEWHERE...BLENDED MODEL GUIDANCE SUPPORTS MVFR FOG IN THE
FOOTHILLS TOWARD DAYBREAK MONDAY...WITH IFR AT KAVL. GUIDANCE IS TOO
OPTIMISTIC WITH CIGS GIVEN RECENT TRENDS AND A PERSISTENCE PATTERN.
MVFR CIGS WIL BE CARRIED LATE TONIGHT...WITH IFR AT KAVL AROUND
DAYBREAK. WINDS WILL GENERALLY BE LIGHT FROM THE WSW.

OUTLOOK...MOIST SOUTHWESTERLY FLOW CONTINUES INTO THE EARLY WEEK.
THIS WILL HELP DRIVE SHOWERS AND THUNDERSTORMS...MAINLY IN THE
AFTERNOON AND EVENING...AND LIKELY CAUSE RESTRICTIVE CIGS/VSBYS
EARLY EACH MORNING.

CONFIDENCE TABLE...

            17-23Z        23-05Z        05-11Z        11-17Z
KCLT       HIGH  98%     HIGH 100%     MED   65%     HIGH  80%
KGSP       HIGH 100%     HIGH 100%     MED   65%     MED   75%
KAVL       LOW   58%     MED   61%     MED   72%     MED   65%
KHKY       HIGH  93%     HIGH 100%     MED   67%     MED   75%
KGMU       HIGH  93%     HIGH 100%     MED   67%     MED   77%
KAND       HIGH 100%     HIGH 100%     MED   69%     MED   75%

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_TABLES

&&

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

&&

SYNOPSIS...PAT
NEAR TERM...JAT
SHORT TERM...CSH
LONG TERM...CSH
AVIATION...JAT
Hazardous weather outlook, Jul 21, 1:51 PM EDT, 1 hour 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
151 PM EDT SUN JUL 21 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-221800-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-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-UNION SC-CHESTER-GREENWOOD-
151 PM EDT SUN JUL 21 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE TO DEVELOP INTO
THIS EVENING WITH OCCASIONAL CLOUD TO GROUND LIGHTNING STRIKES AND
LOCALLY HEAVY RAINFALL. A FEW STORMS MAY BECOME SEVERE...PRODUCING
HAIL AS LARGE AS QUARTERS AND DAMAGING WIND GUSTS. STORMS WILL BE
MOVING SLOWLY POSSIBLY LEADING TO LOCALLY EXCESSIVE RAINFALL AND
ISOLATED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

In the hours before

Special weather statement, Jul 21, 2:05 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
205 PM EDT SUN JUL 21 2013

NCZ509-510-SCZ003-007-211845-
EASTERN POLK-GREENVILLE MOUNTAINS-POLK MOUNTAINS-SPARTANBURG-
205 PM EDT SUN JUL 21 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN GREENVILLE...
NORTHWESTERN SPARTANBURG AND SOUTHERN POLK COUNTIES THROUGH 245 PM
EDT...

AT 201 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHWEST OF TRYON...OR 6 MILES SOUTHWEST
OF COLUMBUS...MOVING EAST AT 10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO GLASSY
  MOUNTAIN...NORTH SALUDA RESERVOIR...TRYON...SALUDA...MILL SPRING...
  COLUMBUS...LANDRUM...GOWENSVILLE AND CAMPOBELLO.

WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH
THIS STORM.

HEAVY RAINS 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 3511 8207 3508 8239 3519 8243 3521 8239
      3518 8237 3521 8235 3524 8236 3526 8235
      3532 8209

JOH
Special weather statement, Jul 21, 2:10 PM EDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
210 PM EDT SUN JUL 21 2013

NCZ035-056-068>070-502-504-508-211900-
ALEXANDER-CATAWBA-CLEVELAND-GASTON-GREATER BURKE-GREATER
CALDWELL-GREATER RUTHERFORD-LINCOLN-
210 PM EDT SUN JUL 21 2013

...STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN RUTHERFORD...
NORTHERN CLEVELAND...NORTHWESTERN GASTON...SOUTHEASTERN BURKE...
SOUTHEASTERN CALDWELL...SOUTHERN ALEXANDER...WESTERN CATAWBA AND
WESTERN LINCOLN COUNTIES THROUGH 300 PM EDT...

AT 210 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CAJAH'S MOUNTAIN TO
5 MILES WEST OF CASAR...MOVING EAST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO SOUTH
  MOUNTAINS STATE PARK...RUTHERFORD COLLEGE...LAKE RHODHISS...LAKE
  HICKORY...WACO...VALE...VALDESE...SUNSHINE...ST. STEPHENS...
  SAWMILLS...RHODHISS...POLKVILLE...PLEASANT GROVE...NEWTON...
  MILLERSVILLE...LONGVIEW...LENOIR...LAWNDALE...ICARD...HUDSON...
  HILDEBRAN...HICKORY...GRANITE FALLS...GAMEWELL...FALLSTON...
  DREXEL...CROUSE...COOKSVILLE...CONOVER...CONNELLY SPRINGS...
  CHERRYVILLE...CASAR...CAJAH'S MOUNTAIN...BETHLEHEM AND BELWOOD.

WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH
THESE STORMS.

HEAVY RAINS 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 3589 8109 3531 8136 3544 8184 3595 8158

JOH
Special weather statement, Jul 21, 3:04 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
304 PM EDT SUN JUL 21 2013

NCZ035-036-056-211945-
ALEXANDER-CATAWBA-IREDELL-
304 PM EDT SUN JUL 21 2013

...STRONG THUNDERSTORMS WILL AFFECT ALEXANDER...NORTHERN CATAWBA AND
NORTHWESTERN IREDELL COUNTIES THROUGH 345 PM EDT...

AT 301 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES WEST OF LOVE
VALLEY TO 3 MILES EAST OF BETHLEHEM...MOVING EAST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LOOKOUT
  SHOALS LAKE...LAKE HICKORY...UNION GROVE...TAYLORSVILLE...STONY
  POINT...ST. STEPHENS...SCOTTS...MILLERSVILLE...LOVE VALLEY...
  HIDDENITE...CLAREMONT...CATAWBA AND BETHLEHEM.

WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH
THESE STORMS.

THE COMBINATION OF GUSTY WINDS AND WET SOIL CONDITIONS WILL CAUSE
SCATTERED TREES AND POWER LINES TO FALL. SEEK SHELTER INSIDER AN
INTERIOR ROOM.

LAT...LON 3606 8076 3567 8102 3576 8134 3604 8118
      3603 8108 3607 8098

JOH
Special weather statement, Jul 21, 3:07 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
307 PM EDT SUN JUL 21 2013

SCZ003-006-007-211945-
GREATER GREENVILLE-GREENVILLE MOUNTAINS-SPARTANBURG-
307 PM EDT SUN JUL 21 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN GREENVILLE AND
NORTHWESTERN SPARTANBURG COUNTIES THROUGH 345 PM EDT...

AT 306 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR GOWENSVILLE...OR 10 MILES SOUTH OF
COLUMBUS...MOVING EAST AT 10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO GLASSY
  MOUNTAIN...LAKE ROBINSON...LAKE BOWEN...TIGERVILLE...LANDRUM...
  INMAN...GOWENSVILLE...FINGERVILLE AND CAMPOBELLO.

WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH
THIS STORM.

HEAVY RAINS 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 3506 8242 3519 8232 3520 8227 3518 8195
      3492 8216

JOH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 9:10 PM EDTAreal Flood AdvisoryGSPMecklenburg, Union110 min
Jul 20, 10:57 PM EDTAreal Flood AdvisoryGSPUnion2 hr
Jul 21, 2:05 PM EDTSpecial Weather StatementGSPPolk40 min
Jul 21, 2:10 PM EDTSpecial Weather StatementGSPCatawba50 min
Jul 21, 2:20 PM EDTAreal Flood AdvisoryGSPBurke, Cleveland, Rutherford2 hr
Jul 21, 2:20 PM EDTAreal Flood AdvisoryGSPBurke2 hr
Jul 21, 2:37 PM EDTSevere Thunderstorm WarningGSPHenderson, Polk, Rutherford68 min
Jul 21, 2:41 PM EDTAreal Flood AdvisoryGSPPolk109 min
Jul 21, 3:04 PM EDTSpecial Weather StatementGSPAlexander41 min
Jul 21, 3:41 PM EDTAreal Flood AdvisoryGSPIredell109 min
Jul 21, 3:52 PM EDTFlash Flood WarningGSPIredell3 hr
Jul 21, 3:55 PM EDTSpecial Weather StatementGSPRutherford50 min
Jul 21, 5:45 PM EDTAreal Flood AdvisoryGSPCabarrus, Iredell, Mecklenburg, Rowan105 min
Jul 21, 6:17 PM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg43 min
Jul 21, 6:38 PM EDTAreal Flood AdvisoryGSPCabarrus, Mecklenburg112 min
Jul 21, 6:46 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Union59 min
Jul 21, 7:14 PM EDTFlash Flood WarningGSPCabarrus, Mecklenburg106 min

Nearby

Areal Flood Advisories in North Carolina, 2013Every areal flood advisory in 2013

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.