Alert archive / South Carolina / Flash Flood Warnings in 2013

Flash Flood Warning 62, NWS Greenville-Spartanburg, SC

July 20, 2013Greenville County, Spartanburg County, South Carolina; Polk County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 20, 2013, 3:48 PM EDT for Greenville County, Spartanburg County, South Carolina; Polk County, North Carolina. It was in force for 3 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
Jul 20, 2013, 3:48 PM EDT (19:48 UTC)
Expired
Jul 20, 2013, 7:00 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

Counties Polk County, NC, Greenville County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 39 km from the middle of the area, began a volume at 19:49 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
Jul 20, 4:24 PM EDTFLASH FLOOD3 Ssw Columbus, NCE HOWARD STREET FLOODED DUE TO SMALL CREEK THAT FLOW INTO VAUGHN CREEK.
Jul 20, 4:25 PM EDTFLASH FLOOD5 Se Columbus, NCSOCIAL MEDIA PHOTO OF FLOODING AT A LOW SPOT ON LANDRUM ROAD IN POLK COUNTY. A STRONG FLOW OF WATER CROSSING THE ROAD.
Jul 20, 4:35 PM EDTHEAVY RAIN 4.354 E Columbus, NCRAIN FELL OVER A LESS THAN TWO HOUR PERIOD JUST OFF OF PENIEL ROAD.

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 36 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, 7.8 hours before the alert went out and 224 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 2013-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1715 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 2013-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
1715 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
17 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.

512 
WGUS52 KGSP 201948
FFWGSP
NCC149-SCC045-083-202300-
/O.NEW.KGSP.FF.W.0062.130720T1948Z-130720T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
348 PM EDT SAT JUL 20 2013

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHWESTERN SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTH CENTRAL POLK COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 700 PM EDT

* AT 347 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. DOPPLER RADAR ESTIMATED THAT 3 TO 4 INCHES OF RAIN    
  HAS FALLEN OVER THE WARNING AREA IN THE PAST SEVERAL HOURS.        
  ADDITIONAL RAINFALL OF 1 TO 2 INCHES ARE POSSIBLE.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  COLUMBUS...LANDRUM AND TRYON.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

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 3533 8206 3520 8202 3508 8228 3520 8231

$$

JOH
2 follow-up statements
938 
WGUS72 KGSP 202043
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
443 PM EDT SAT JUL 20 2013

NCC149-SCC045-083-202300-
/O.CON.KGSP.FF.W.0062.000000T0000Z-130720T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SPARTANBURG SC-POLK NC-GREENVILLE SC-
443 PM EDT SAT JUL 20 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN
GREENVILLE...SOUTH CENTRAL POLK AND NORTHWESTERN SPARTANBURG COUNTIES
UNTIL 700 PM EDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED AROUND 4 TO 5 
INCHES OF RAINFALL IN THE PAST SEVERAL HOURS ACROSS THE WARNED AREA. 
ALTHOUGH THE LINE OF HEAVY RAINFALL HAS MOVED SOUTH OF THE 
AREA...EXCESSIVE RUNOFF FROM PREVIOUS STORMS WILL KEEP SMALL CREEKS 
AND RIVER LEVELS NEAR BANKFULL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLASH 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 ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

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 3533 8206 3520 8202 3508 8228 3520 8231

$$

JOH
609 
WGUS72 KGSP 202250
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
650 PM EDT SAT JUL 20 2013

NCC149-SCC045-083-202306-
/O.EXP.KGSP.FF.W.0062.000000T0000Z-130720T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SPARTANBURG SC-POLK NC-GREENVILLE SC-
650 PM EDT SAT JUL 20 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN
GREENVILLE...SOUTH CENTRAL POLK AND NORTHWESTERN SPARTANBURG COUNTIES
WILL BE ALLOWED TO EXPIRE AT 700 PM EDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3533 8206 3520 8202 3508 8228 3520 8231

$$

JOH

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 20, 2:34 PM EDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jul 20, 2:34 PM EDT, 1 hour 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
234 PM EDT SAT JUL 20 2013

.SYNOPSIS...
HIGH PRESSURE OVER THE SOUTHEAST WILL WEAKEN OVER THE WEEKEND AS
A COLD FRONT MOVES SOUTHWARD FROM THE GREAT LAKES. THE FRONT WILL
STALL NORTH OF THE AREA ON SUNDAY AND THEN DISSIPATE OR RETURN
NORTHWARD INTO MONDAY. AN UPPER LEVEL TROUGH OF LOW PRESSURE WILL
DEVELOP OVER THE EAST ON TUESDAY AND LINGER THROUGH LATE WEEK. A
SECOND WEAK COLD FRONT WILL ARRIVE FROM THE NORTHWEST ON THURSDAY
AND SETTLE JUST SOUTHEAST OF THE REGION THROUGH FRIDAY.

&&

.NEAR TERM /THROUGH SUNDAY/...
AT 230 PM EDT SATURDAY...AN UPPER LEVEL TROUGH WILL SLOWLY AMPLIFY
OVER THE EASTERN USA TONIGHT AND SUNDAY. A SHORTWAVE WILL MOVE INTO
THE BASE OF THIS TROUGH OVER THE TN RIVER VALLEY LATE SUNDAY. DEEP
GULF MOISTURE WILL BE TRANSPORTED NORTH INTO OUR AREA BY A GENTLE SW
LOW LEVEL FLOW  ON THE WEST SIDE OF A BERMUDA HIGH...WHILE A COLD
FRONT DROPS SOUTH INTO VA. WITH LOW LEVEL FLOW NEARLY PARALLEL THE
TO THE BLUE RIDGE...UPSLOPE FLOW WILL BE LIMITED...THOUGH STILL
PRESENT. WITH THE LOWE LEVELS STABILIZING LATE THIS EVENING...
CONVECTIVE COVER SHOULD DIMINISH. MODEL SOUNDINGS SHOW CAPE
SURPASSING 1000 J/KG AGAIN ON SUNDAY...AND CONVECTIVE TRENDS ARE
EXPECTED TO MIMIC TODAY...WITH THE GREATEST COVERAGE IN THE
MOUNTAINS...WITH ACTIVITY SPREADING EAST INTO THE FOOTHILLS AND
PIEDMONT WITH TIME. SHEAR WILL REMAIN WEAK HOWEVER...LIMITING STORM
ORGANIZATION. MINIMUM TEMPERATURES WILL BE SEVERAL DEGREES ABOVE
NORMAL TONIGHT IN A MOIST AIR MASS. MAXIMUM TEMPERATURES SUNDAY WILL
BE SLIGHTLY BELOW NORMAL...WITH CLOUDS...MOISTURE A FALLING HEIGHTS
ALOFT LIMITING WARMING.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AT 230 PM SATURDAY... 500 MB HEIGHTS GRADUALLY LOWER OVER THE
SOUTHEAST MONDAY AND TUESDAY BUT SURFACE PATTERN CHANGES WILL BE
RATHER SUBTLE. DIURNAL CONVECTION WILL CONTINUE INTO THE FORECAST
PERIOD BEGINNING 00Z MONDAY THEN GRADUALLY DIMINISH DURING THE
NIGHT. MOIST AND MODERATELY UNSTABLE AIR MASS WILL CONTINUE OVER THE
REGION AND GFS DEPICTS SHORT WAVE TROUGH APPROACHING CWA BY 12Z
MONDAY... SO AT LEAST SLIGHT CHANCE POPS WILL CONTINUE WELL INTO THE
NIGHT. DURING DAYTIME MONDAY... CWA REMAINS IN AIRMASS CONDUCIVE TO
CONVECTIVE STORM DEVELOPMENT SO POPS WILL INCREASE WITH DAYTIME
HEATING INTO CHANCE CATEGORY WITH LIKELY POPS OVER HIGHER TERRAIN.
GFS HAS ANOTHER SHORT WAVE TROUGH DROPPING INTO LONG WAVE TROUGH
POSITION EARLY TUESDAY... SO CHANCE POPS WILL CONTINUE THROUGH THE
NIGHT AND INTO TUESDAY WHEN DIURNAL HEATING CYCLE ONCE AGAIN LEADS
TO HIGHER PROBABILITIES DURING AFTERNOON. NO SIGNIFICANT TEMPERATURE
CHANGES WILL OCCUR DURING MONDAY TUESDAY. HIGHS OUTSIDE THE
MOUNTAINS WILL BE IN THE UPPER 80S AND LOWER 90S WHILE MOUNTAIN
VALLEY TEMPERATURES WILL BE IN THE LOWER TO MIDDLE 80S. VERY WARM
LOW TEMPERATURES IN THE 60S AND LOWER 70S ARE EXPECTED TO CONTINUE.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 230 PM SATURDAY... FLOW PATTERN ACROSS U.S. DURING THE PERIOD
WILL CONSIST OF RIDGE IN THE WEST AND TROUGH OVER THE EASTERN
STATES. BOUNDARY LAYER WILL REMAIN WARM AND MOIST SO COOL
TEMPERATURES ALOFT ON WEDNESDAY WILL SUPPORT LAPSE RATES
SUFFICIENTLY STEEP TO PROMOTE CONVECTION WITH APPROACH AND PASSAGE
EARLY THURSDAY OF COLD FRONT. THEREAFTER DETAILS BECOME DIFFICULT TO
RESOLVE AS FRONT DRIFTS SLOWLY SOUTHEAST AND APPEARS IN CURRENT
GUIDANCE TO BECOME NEARLY STATIONARY JUST AFTER CROSSING CWA.
THUS... AIR MASS CHANGE WILL NOT BE SUFFICIENTLY SIGNIFICANT TO
ELIMINATE POPS BUT NUMBERS WILL BE IN THE LOWER END OF THE CHANCE
SPECTRUM AND WILL DISPLAY A DIURNAL TREND. NO SIGNIFICANT CHANGES IN
TEMPERATURE EXPECTED.

&&

.AVIATION /19Z SATURDAY THROUGH THURSDAY/...
AT KCLT...A BLEND OF MAV AND MET GUIDANCE SUPPORTS MVFR FOG AT
DAYBREAK SUNDAY. GUIDANCE WAS ALL OVER THE PLACE ON CIGS...SO A
NEARLY PERSISTENCE FORECAST WAS USED...TAKING THE CIG DOWN TO THE
LOW END OF MVFR BY DAYBREAK. THUNDERSTORM COVERAGE IS EXPECTED TO BE
SUFFICIENT TO WARRANT A MENTION IN THE TAF THIS AFTERNOON...WITH
POSSIBLE MVFR VSBY AND CIG RESTRICTIONS. WINDS WILL REMAIN LIGHT
FROM THE SW.

ELSEWHERE...MODEL GUIDANCE IS SUPPORTIVE OF DAYBREAK MVFR FOG SUNDAY
MORNING AT ALL FOOTHILLS SITES EXCEPT KGMU...AND SUPPORTS IFR FOG AT
KAVL. GUIDANCE VARIED WILDLY ON CIGS...SO A NEAR PERSISTENCE
FORECAST WAS USED...TAKING FOOTHILL SITES DOWN TO LOW END MVFR..AND
KAVL BACK DOWN TO LIFR. CONVECTIVE CHANCES SUPPORT CARRYING THUNDER
IN THE TAFS THIS AFTERNOON. LIGHT WINDS WILL PERSIST FROM THE
SW...EXCEPT AT KAVL WHERE THEY WILL VEER TO NW LATE TONIGHT.

OUTLOOK...A COLD FRONT WILL SAG SEWD INTO THE AREA THIS WEEKEND.
EXPECT ABOVE NORMAL TSRA COVERAGE SUNDAY AND INTO EARLY NEXT
WEEK...WITH BEST CHANCES STILL DURING AFTERNOONS AND EVENINGS.

CONFIDENCE TABLE...

            18-24Z        00-06Z        06-12Z        12-18Z
KCLT       HIGH  97%     HIGH 100%     HIGH  80%     MED   78%
KGSP       HIGH  97%     HIGH  98%     MED   74%     MED   72%
KAVL       HIGH 100%     HIGH  98%     MED   67%     MED   65%
KHKY       HIGH  97%     HIGH  98%     LOW   54%     MED   68%
KGMU       HIGH  96%     HIGH  98%     MED   74%     MED   70%
KAND       HIGH 100%     HIGH 100%     MED   70%     MED   76%

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...LGL
LONG TERM...LGL
AVIATION...JAT
Hazardous weather outlook, Jul 20, 4:59 AM EDT, 10 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
459 AM EDT SAT JUL 20 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-210900-
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-
459 AM EDT SAT JUL 20 2013

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE REGION
THIS AFTERNOON AND EVENING. A FEW OF THESE STORMS MAY BECOME
SEVERE...PRODUCING HAIL AS LARGE AS QUARTERS...AND BRIEF BUT
DAMAGING WIND GUSTS. IN ADDITION...ANY THUNDERSTORMS THAT FORM
TODAY WILL MOVE SLOWLY. THE RESULTING HEAVY RAINFALL COULD PRODUCE
ISOLATED FLASH FLOODING...ESPECIALLY IN ANY LOCATIONS REPEATEDLY
AFFECTED BY THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

HG

In the hours before

Special weather statement, Jul 20, 11:54 AM EDT, 3 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1154 AM EDT SAT JUL 20 2013

NCZ033-050-501>506-201630-
AVERY-BURKE MOUNTAINS-CALDWELL MOUNTAINS-EASTERN MCDOWELL-GREATER
BURKE-GREATER CALDWELL-MCDOWELL MOUNTAINS-MITCHELL-
1154 AM EDT SAT JUL 20 2013

...THUNDERSTORMS THAT HAVE DEVELOPED ALONG THE BLUE RIDGE ESCARPMENT
WILL AFFECT CALDWELL...EASTERN AVERY...NORTHERN BURKE...NORTHERN
MCDOWELL AND SOUTHEASTERN MITCHELL COUNTIES THROUGH 1230 PM EDT...

PEA SIZE HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.  LOCALLY HEAVY RAIN CAN CAUSE WATER LEVELS TO RISE IN
CREEKS... STREAMS... AND POOR DRAINAGE AREAS.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS DURING THE
AFTERNOON.

LAT...LON 3616 8182 3612 8181 3613 8166 3607 8141
      3602 8133 3575 8140 3563 8228 3617 8184

LGL
Special weather statement, Jul 20, 12:31 PM EDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1231 PM EDT SAT JUL 20 2013

NCZ048-052-053-059-063>065-SCZ003-201730-
BUNCOMBE-GREENVILLE MOUNTAINS-HAYWOOD-HENDERSON-MADISON-NORTHERN
JACKSON-SOUTHERN JACKSON-TRANSYLVANIA-
1231 PM EDT SAT JUL 20 2013

...SCATTERED THUNDERSTORMS WILL AFFECT EASTERN JACKSON...
HAYWOOD...HENDERSON...MADISON...NORTHWESTERN GREENVILLE...
TRANSYLVANIA... AND WESTERN BUNCOMBE COUNTIES THROUGH 130 PM EDT...

AT 1230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
NUMEROUS SHOWERS AND THUNDERSTORMS... SOME PRODUCING HEAVY RAIN...
OVER THE HIGHER TERRAIN WEST OF THE ASHEVILLE AND HENDERSONVILLE
AREA. THE STORMS WERE MOVING SLOWLY TO THE EAST.

THE STORMS WILL AFFECT LOCATIONS NEAR...
  ASHEVILLE...
  WAYNESVILLE...
  CANTON...
  BREVARD...
  HENDERSONVILLE...

PEA SIZE HAIL...WIND GUSTS UP TO 40 MPH... AND LIGHTNING ARE
EXPECTED WITH THE STORMS. LOCALLY HEAVY RAIN CAN CAUSE RAPID RISES
OF WATER LEVELS IN CREEKS... STREAMS... AND POOR DRAINAGE AREAS.

BE ALERT FOR RAPIDLY CHANGING WEATHER THIS AFTERNOON.

LAT...LON 3594 8257 3526 8234 3519 8236 3519 8234
      3500 8311 3575 8309

LGL
Special weather statement, Jul 20, 12:38 PM EDT, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1238 PM EDT SAT JUL 20 2013

NCZ033-049-050-501>506-201730-
AVERY-BURKE MOUNTAINS-CALDWELL MOUNTAINS-EASTERN MCDOWELL-GREATER
BURKE-GREATER CALDWELL-MCDOWELL MOUNTAINS-MITCHELL-YANCEY-
1238 PM EDT SAT JUL 20 2013

...THUNDERSTORMS WILL AFFECT AVERY...BURKE...CALDWELL...MCDOWELL...
MITCHELL AND YANCEY COUNTIES THROUGH 130 PM EDT...

AT 1235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS EXTENDING FROM YANCEY
AND MITCHELL COUNTIES EAST ACROSS THE BLUE RIDGE ESCARPMENT INTO THE
FOOTHILLS.  THE SHOWERS AND THUNDERSTORMS WERE MOVING SLOWLY TO THE
EAST.

PEA SIZE HAIL... WIND GUSTS UP TO 40 MPH... AND LIGHTNING ARE
EXPECTED WITH THE STORMS. VERY HEAVY RAIN WILL CAUSE STREAMS AND
POOR DRAINAGE AREAS TO HAVE HIGH WATER LEVELS.

BE ALERT FOR RAPIDLY CHANGING THUNDERSTORM WEATHER DURING THE
REMAINDER OF THE AFTERNOON.

LAT...LON 3611 8212 3615 8203 3612 8181 3611 8153
      3607 8141 3583 8134 3557 8158 3557 8168
      3561 8175 3557 8184 3557 8218 3569 8229
      3571 8228 3575 8234 3580 8234 3582 8240
      3593 8250 3616 8222 3615 8215

LGL
Local storm report, Jul 20, 1:25 PM EDT, 2 hours 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
125 PM EDT SAT JUL 20 2013

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

0114 PM     TSTM WND DMG     1 SE LENOIR             35.90N 81.52W
07/20/2013                   CALDWELL           NC   911 CALL CENTER

            1 TREE DOWN IN LENOIR

&&

PTANNER
Special weather statement, Jul 20, 1:48 PM EDT, 2 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
148 PM EDT SAT JUL 20 2013

NCZ036-037-201830-
DAVIE-IREDELL-
148 PM EDT SAT JUL 20 2013

...A STRONG THUNDERSTORM WILL AFFECT DAVIE AND NORTHEASTERN IREDELL
COUNTIES THROUGH 230 PM EDT...

AT 144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SHEFFIELD...OR 9 MILES NORTHWEST OF
MOCKSVILLE...MOVING EAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  FARMINGTON...
  MOCKSVILLE...

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

LAT...LON 3583 8043 3582 8047 3580 8046 3579 8047
      3593 8080 3606 8074 3606 8053 3604 8044
      3601 8041 3599 8041 3596 8037

07
Special weather statement, Jul 20, 3:20 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
320 PM EDT SAT JUL 20 2013

SCZ001>003-005>007-010-202000-
ANDERSON-GREATER GREENVILLE-GREATER PICKENS-GREENVILLE
MOUNTAINS-OCONEE MOUNTAINS-PICKENS MOUNTAINS-SPARTANBURG-
320 PM EDT SAT JUL 20 2013

...STRONG THUNDERSTORMS WILL AFFECT EASTERN OCONEE...NORTHERN
ANDERSON...NORTHERN GREENVILLE...NORTHERN SPARTANBURG AND PICKENS
COUNTIES THROUGH 400 PM EDT...

AT 319 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM LANDRUM TO NINE
TIMES...MOVING EAST AT 10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO GLASSY
  MOUNTAIN...CHERRYDALE POINT...LAKE ROBINSON...HAYWOOD MALL...GSP
  AIRPORT...FURMAN UNIVERSITY...LAKE KEOWEE...LAKE BOWEN...
  WELLFORD...WELCOME...TRAVELERS REST...TIGERVILLE...TAYLORS...SIX
  MILE...SALEM...PUMPKINTOWN...POWDERSVILLE...PICKENS...PARIS
  MOUNTAIN STATE PARK...NORRIS...NINE TIMES...MARIETTA...LYMAN...
  LIBERTY...LANDRUM...INMAN...GREER...DOWNTOWN GREENVILLE...
  GOWENSVILLE...FINGERVILLE...EASLEY...DUNCAN...DACUSVILLE...
  CLEVELAND...CENTRAL...CAMPOBELLO...BOILING SPRINGS SC AND BEREA.

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.

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 3476 8290 3478 8288 3481 8289 3478 8293
      3488 8305 3520 8227 3519 8214 3506 8184
      3465 8276

JOH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 2:03 PM EDTSevere Thunderstorm WarningGSPOconee57 min
Jul 20, 3:04 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg56 min
Jul 20, 3:13 PM EDTAreal Flood AdvisoryGSPGreenville107 min
Jul 20, 3:20 PM EDTSpecial Weather StatementGSPGreenville, Pickens40 min
Jul 20, 4:10 PM EDTAreal Flood AdvisoryGSPCherokee, Spartanburg110 min
Jul 20, 4:57 PM EDTAreal Flood AdvisoryGSPAnderson, Oconee, Pickens2 hr
Jul 20, 5:24 PM EDTAreal Flood AdvisoryGSPAnderson, Greenville, Pickens, Spartanburg2 hr
Jul 20, 6:33 PM EDTAreal Flood AdvisoryGSPAnderson117 min
Jul 20, 11:26 AM EDTAreal Flood AdvisoryGSPAvery2 hr
Jul 20, 11:48 AM EDTAreal Flood AdvisoryGSPCaldwell2 hr
Jul 20, 11:54 AM EDTSpecial Weather StatementGSPBurke, Caldwell, McDowell36 min
Jul 20, 12:31 PM EDTSpecial Weather StatementGSPBuncombe, Haywood, Henderson, Madison, Transylvania59 min
Jul 20, 12:38 PM EDTSpecial Weather StatementGSPAvery, Burke, Caldwell, McDowell, Mitchell, Yancey52 min
Jul 20, 12:53 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell67 min
Jul 20, 12:57 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell, Catawba63 min
Jul 20, 1:48 PM EDTSpecial Weather StatementGSPDavie42 min
Jul 20, 1:55 PM EDTSevere Thunderstorm WarningGSPMcDowell, Polk, Rutherford50 min
Jul 20, 2:14 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell61 min
Jul 20, 2:46 PM EDTAreal Flood AdvisoryGSPDavie, Iredell, Rowan104 min
Jul 20, 2:59 PM EDTAreal Flood AdvisoryGSPBurke, Cleveland, McDowell, Rutherford2 hr
Jul 20, 5:28 PM EDTAreal Flood AdvisoryGSPCatawba, Iredell, Lincoln, Mecklenburg2 hr
Jul 20, 6:00 PM EDTSpecial Weather StatementGSPMadison45 min
Jul 20, 6:11 PM EDTSpecial Weather StatementGSPRowan49 min
Jul 20, 6:14 PM EDTAreal Flood AdvisoryGSPGraham, Swain106 min
Jul 20, 6:46 PM EDTAreal Flood AdvisoryGSPSwain2 hr

Nearby

Flash Flood Warnings in South Carolina, 2013Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.