Alert archive / North Carolina / Flash Flood Warnings in 2013

Flash Flood Warning 64, NWS Greenville-Spartanburg, SC

July 21, 2013Cabarrus County, Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 21, 2013, 7:14 PM EDT for Cabarrus County, Mecklenburg County, North Carolina. It was in force for 106 min. 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 21, 2013, 7:14 PM EDT (23:14 UTC)
Expired
Jul 21, 2013, 9:00 PM EDT
In force
106 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

Counties Cabarrus County, NC, Mecklenburg County, NC

The radar

The Greer radar (KGSP), 146 km from the middle of the area, began a volume at 23:18 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

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this flash flood warning; the first came 16 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.2 hours before the alert went out and 116 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.

356 
WGUS52 KGSP 212314
FFWGSP
NCC025-119-220100-
/O.NEW.KGSP.FF.W.0064.130721T2314Z-130722T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
714 PM EDT SUN JUL 21 2013

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH
  CAROLINA...
  SOUTH CENTRAL CABARRUS COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 900 PM EDT

* AT 711 PM EDT...MECKLENBURG COUNTY COMMUNICATIONS REPORTED         
  LOCALIZED URBAN FLOODING ACROSS A FEW PARTS OF EDWARDS BRANCH
  AND MCALPINE CREEK ACROSS EAST CHARLOTTE. LOCALIZED EXCESSIVE
  RUNOFF WILL CONTINUE UNTIL THE RAIN WINDS DOWN THROUGH MID-EVENING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...UNC
  CHARLOTTE...EASTLAND MALL...HARRISBURG AND MINT HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 3514 8074 3520 8083 3534 8074 3534 8069
      3536 8064 3536 8055 3521 8056 3514 8064

$$
2 follow-up statements
425 
WGUS72 KGSP 220003
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
803 PM EDT SUN JUL 21 2013

NCC025-119-220100-
/O.CON.KGSP.FF.W.0064.000000T0000Z-130722T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CABARRUS NC-MECKLENBURG NC-
803 PM EDT SUN JUL 21 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL MECKLENBURG
AND SOUTH CENTRAL CABARRUS COUNTIES UNTIL 900 PM EDT...

AT 755 PM EDT...MECKLENBURG COUNTY COMMUNICATIONS REPORTING LINGERING
HIGH WATER CONDITIONS AT WINTERHAVEN DR AND ALBEMARLE RD. HEAVY RAIN
HAD ENDED ACROSS THE WARNED AREA AND AUTOMATED STREAM GAGES INDICATED
THAT EDWARDS BRANCH WAS QUICKLY FALLING TO WITHIN IT/S BANKS. FLOOD
WATERS WERE WORKING SOUTH THROUGH THE UPPER MCMULLEN BASIN AND FLOOD
PRONE AREAS AND LOW SPOTS WERE LIKELY FLOODING. THIS INCLUDED 
LINCREST AND ADDISON DRIVE WHERE WATER WAS OVERTOPPING THE ROAD.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...NEVER ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW 
SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING 
STREAM...EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 3514 8074 3520 8083 3534 8074 3534 8069
      3536 8064 3536 8055 3521 8056 3514 8064

$$
332 
WGUS72 KGSP 220031
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
831 PM EDT SUN JUL 21 2013

NCC025-119-220100-
/O.CON.KGSP.FF.W.0064.000000T0000Z-130722T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CABARRUS NC-MECKLENBURG NC-
831 PM EDT SUN JUL 21 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL MECKLENBURG
AND SOUTH CENTRAL CABARRUS COUNTIES UNTIL 900 PM EDT...

AT 827 PM EDT...THE STREAM GAGE ALONG MCMULLEN CREEK AT LINCREST 
PLACE WAS SHOWING THAT THE CREEK HAD CRESTED AND WILL CONTINUE TO
FALL THROUGH MID-EVENING. HIGH WATER CONDITIONS ACROSS THE WARNED 
AREA WILL CONTINUE TO RECEDE AND THE WARNING WILL EXPIRE ON 
SCHEDULE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3514 8074 3520 8083 3534 8074 3534 8069
      3536 8064 3536 8055 3521 8056 3514 8064

$$

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 21, 4:46 PM EDT, 2 hours 28 minutes earlier.

Area forecast discussion, Jul 21, 4:46 PM EDT, 2 hours 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
446 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/...
4 PM UPDATE...FEW CHANGES OTHER THAN TO ADJUST POPS PER RADAR
COVERAGE...AND TO TOUCH UP TEMPS USING LATEST OBS. OVER THE NEXT
HOUR OR TWO BEST COVERAGE WILL LIKELY CONTINUE TO BE OVER THE NC
PIEDMONT AND ERN SC ZONES WHERE DIFFERENTIAL HEATING AND NUMEROUS
OUTFLOW BOUNDARIES WILL LIKELY HELP INITIATE CONVECTION. THEN CLOSER
TO SUNSET FOCUS WILL SHIFT TO THE MTNS WHERE ACTIVITY MAY ENTER FROM
TENNESSEE.

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 WEAK...AND STORM ORGANIZATION IS NOT FAVORED...
LIMITING SEVERE 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 SUNDAY/...
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 /21Z SUNDAY THROUGH FRIDAY/...
AT KCLT /21Z UPDATE/...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 WILL LIKELY INCREASE IN THE
VICINITY THIS AFTERNOON. SOME SITES THAT HAVE BEEN DIRECTLY HIT BY
TS THIS AFTN HAVE GONE TO LIFR VSBY FOR A TIME. WILL MAINTAIN
TEMPO...WITH IFR VSBY AND CIG. LIGHT WINDS WILL GENERALLY BE FROM
THE SW... BUT TSTM CELLS ADVANCING FROM THE WEST LKLY TO BRING
NORTHWESTERLY GUSTS IN 15-25 KT RANGE.

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...

            20-02Z        02-08Z        08-14Z        14-20Z
KCLT       HIGH 100%     HIGH  85%     MED   61%     HIGH  92%
KGSP       HIGH 100%     HIGH  85%     LOW   50%     HIGH  91%
KAVL       LOW   57%     MED   65%     MED   63%     LOW   54%
KHKY       HIGH 100%     HIGH  80%     MED   61%     HIGH  91%
KGMU       HIGH 100%     HIGH  85%     MED   62%     HIGH  91%
KAND       HIGH 100%     HIGH  86%     MED   60%     HIGH  91%

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/WIMBERLEY
SHORT TERM...CSH
LONG TERM...CSH
AVIATION...JAT/WIMBERLEY
Hazardous weather outlook, Jul 21, 1:51 PM EDT, 5 hours 23 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, 5:05 PM EDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
505 PM EDT SUN JUL 21 2013

SCZ007>009-012-013-212200-
CHEROKEE-LAURENS-SPARTANBURG-UNION-YORK-
505 PM EDT SUN JUL 21 2013

...STRONG THUNDERSTORMS WILL AFFECT CHEROKEE...NORTHERN LAURENS...
NORTHWESTERN UNION...NORTHWESTERN YORK AND SOUTHERN SPARTANBURG
COUNTIES THROUGH 600 PM EDT...

AT 502 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES NORTHEAST OF
GAFFNEY TO WOODRUFF...MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO WOODRUFF...
  THICKETTY...SPARTANBURG...SMYRNA...SARATT...ROEBUCK...PAULINE...
  PACOLET MILLS...PACOLET...ORA...MOORE...KINGS MOUNTAIN STATE
  PARK...JONESVILLE...HICKORY GROVE...GAFFNEY...ENOREE...CROSS
  KEYS...CROSS ANCHOR...COWPENS...CLOVER...BUFFALO AND BLACKSBURG.

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.

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.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

LAT...LON 3473 8218 3477 8215 3479 8216 3518 8168
      3514 8115 3447 8194

JOH
Special weather statement, Jul 21, 5:47 PM EDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
547 PM EDT SUN JUL 21 2013

SCZ008-009-013-014-212245-
CHEROKEE-CHESTER-UNION-YORK-
547 PM EDT SUN JUL 21 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN UNION...
NORTHWESTERN CHESTER...SOUTHEASTERN CHEROKEE AND SOUTHWESTERN YORK
COUNTIES THROUGH 645 PM EDT...

AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR ADAMSBURG...OR 9 MILES NORTHEAST OF UNION...
MOVING EAST AT 10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO UNION...
  SHARON...SARATT...MONARCH MILLS...MCCONNELLS...LOCKHART...BULLOCK
  CREEK AND ADAMSBURG.

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

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

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 3502 8112 3464 8138 3474 8168 3495 8150

JOH
Special weather statement, Jul 21, 6:17 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
617 PM EDT SUN JUL 21 2013

NCZ071-072-082-SCZ009-212300-
CABARRUS-MECKLENBURG-UNION-YORK-
617 PM EDT SUN JUL 21 2013

...STRONG THUNDERSTORMS WILL AFFECT CABARRUS...EASTERN YORK...
MECKLENBURG AND NORTHWESTERN UNION COUNTIES THROUGH 700 PM EDT...

AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES WEST OF
CONCORD TO TEGA CAY...MOVING EAST AT 15 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO I-77 AT
  I-85...CAROWINDS...CHARLOTTE MOTOR SPEEDWAY...CENTER CITY
  CHARLOTTE...SOUTHPARK MALL...EASTLAND MALL...UNC CHARLOTTE...
  WEDDINGTON...STALLINGS...PINEVILLE...MOUNT PLEASANT...MINT HILL...
  MIDLAND...MATTHEWS...KANNAPOLIS...INDIAN TRAIL...HARRISBURG...CROFT
  AND CONCORD.

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.

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 3493 8069 3497 8083 3505 8089 3500 8090
      3505 8106 3550 8071 3550 8030

JOH
Local storm report, Jul 21, 6:22 PM EDT, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
622 PM EDT SUN JUL 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0420 PM     HEAVY RAIN       2 NE LOVE VALLEY        36.01N 80.96W
07/21/2013  U0.00 INCH       IREDELL            NC   TRAINED SPOTTER

            SPOTTER SAW ABOUT A 2 INCH DEEP FLOW OF MUDDY WATER
            CROSSING HIGHWAY 115 AT ROCK CREEK WHERE DITCHES WERE TOO
            FULL TO HOLD THE WATER. HIGHWAY WAS PASSABLE.

&&

OUTLAW
Special weather statement, Jul 21, 6:28 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
628 PM EDT SUN JUL 21 2013

SCZ005-006-010-212330-
ANDERSON-GREATER GREENVILLE-GREATER PICKENS-
628 PM EDT SUN JUL 21 2013

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL GREENVILLE...NORTHERN
ANDERSON AND SOUTHEASTERN PICKENS COUNTIES THROUGH 730 PM EDT...

AT 624 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES EAST OF LIBERTY...OR 7 MILES SOUTHEAST OF
PICKENS...MOVING EAST AT 10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO WHITE HORSE
  ROAD AT I-85...CHERRYDALE POINT...FURMAN UNIVERSITY...DONALDSON
  CENTER...WELCOME...TRAVELERS REST...POWDERSVILLE...PIEDMONT...
  PICKENS...PARIS MOUNTAIN STATE PARK...NORRIS...LIBERTY...DOWNTOWN
  GREENVILLE...EASLEY...DACUSVILLE AND BEREA.

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

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

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 3466 8278 3488 8275 3489 8274 3500 8234
      3464 8234

JOH
Local storm report, Jul 21, 6:43 PM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
643 PM EDT SUN JUL 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0558 PM     TSTM WND DMG     1 SE LOCKHART           34.79N 81.45W
07/21/2013                   CHESTER            SC   LAW ENFORCEMENT

            SCHP REPORTS TREE DOWN NEAR INTERSECTION OF HWY 49 AND
            HWY 9

&&

CSH

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, 3:25 PM EDTAreal Flood AdvisoryGSPMcDowell, Polk, Rutherford2 hr
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

Nearby

Flash Flood Warnings in North Carolina, 2013Every flash flood warning 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.