Alert archive / South Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 55, NWS Greenville-Spartanburg, SC

June 18, 2003Anderson County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jun 18, 2003, 11:24 PM EDT for Anderson County, Pickens County, South Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 18, 2003, 11:24 PM EDT (03:24 UTC)
Expired
Jun 19, 2003, 2:15 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Anderson County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 47 km from the middle of the area, began a volume at 03:23 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.4 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, Peachtre/Fal Fld, GA at 00:00Z on 2003-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 524 joules per kilogram.LCLEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 00:00Z on 2003-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
524 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KGSP 190324
FFWGSP
SCC007-077-190615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1124 PM EDT WED JUN 18 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA
  SOUTHEASTERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 215 AM EDT

* AT 1108 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED AN LINE 
OF THUNDERSTORMS EXTENDED FROM CLEMSON TO WELCOME AND ALONG THE 
PICKENS AND ANDERSON COUNTY LINE.  

* THESE SLOW MOVING STORMS ARE PRODUCING VERY HEAVY RAIN. RAIN 
AMOUNTS HAVE RANGED FROM 1 TO 2 INCHES AN HOUR. THIS WILL CAUSE 
PONDING OF WATER ON ROADWAYS ESPECIALLY ALONG HIGHWAY 123...93 AND 
81. EIGHTEEN MILE AND THREE AND TWENTY CREEKS WILL RISE RAPIDLY AND 
MAY OVERFLOW THEIR BANKS.  

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

$$

NED/PT
1 follow-up statement
000 
WGUS72 KGSP 190454
FFSGSP
SCC007-077-190615-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1250 AM EDT THU JUN 19 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 215 AM EDT FOR NORTHERN 
ANDERSON AND SOUTHERN PICKENS COUNTIES...

A CLUSTER OF SHOWERS AND THUNDERSTORMS HAS REMAINED NEARLY 
STATIONARY OVER THE PICKENS-ANDERSON COUNTY LINE SINCE LATE 
WEDNESDAY EVENING. RADAR ESTIMATES THAT 1.5 TO 3 INCHES OF RAIN HAS 
FALLEN FROM PENDLETON TO POWDERSVILLE. THIS CLUSTER IS EXPECTED TO 
RESULT IN AN ADDITIONAL 1 TO 2 INCH BEFORE MOVING EAST OF THE AREA 
EARLY THIS MORNING. THIS RAINFALL WILL LIKELY PRODUCE FLOODING IN 
LOW LYING AND POOR DRAINAGE AREAS. EIGHTEEN MILE AND THREE AND 
TWENTY CREEKS WILL RISE RAPIDLY AND MAY OVERFLOW THEIR BANKS. 
MOTORIST SHOULD BE PREPARED FOR WATER ON ROADWAYS ESPECIALLY ALONG 
HIGHWAY 123...93 AND 81. AS OF 1230 AM...COUNTY OFFICIALS HAVE 
RECEIVED REPORTS OF MINOR FLOODING IN THE WARNED AREA. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. USE CAUTION IN OR NEAR ANY SMALL
CREEK TONIGHT...AND AVOID ROUTES THAT YOU KNOW ARE FLOOD PRONE.

$$

NED

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at Jun 18, 10:20 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Jun 18, 10:20 PM EDT, 1 hour 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1020 PM EDT WED JUN 18 2003

SATELLITE W/V SHOWING S/W PASSING THROUGH THE FA. STILL POCKETS OF
ENERGY UPSTREAM AND WILL EXPECT SH/ISO TS OVERNIGHT. ALTHOUGH DRIER
AIR HAS WORKED IN OVER H5...PWS ON 0Z FFC SHOWING STILL MEASURING
>1.7. WILL TAKE POPS DOWN FROM CATE TO LIKELY AND WILL DECREASE TS
TO ISO. WILL KEEP GOING FFA AS COVERAGE IS EXPECTED TO
DECREASE...BUT AS SHOWING CURRENTLY ON 88D SH AND TS WILL TEND TO
TRAIN.

UPDATED TO DECREASE CATE POPS TO LIKELY...TWEAK TEMPS AND ADD FOG.

FCSTID =   16
GSP   69  85  67  84 /  70  50  50  10
AND   69  86  68  85 /  70  50  50  10
CLT   69  85  68  84 /  70  70  50  10
HKY   66  82  65  81 /  70  60  60  10
AVL   63  80  63  79 /  60  50  50  10

.GSP...
GA...FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES GAZ010...
GAZ017>018...GAZ026...GAZ028>029.

NC...FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES NCZ033>037...
NCZ048>059...NCZ062>072...NCZ082.

SC...FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES SCZ001>014...
SCZ019.

NED
Hazardous weather outlook, Jun 18, 5:50 AM EDT, 17 hours 34 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-181145-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
550 AM EDT WED JUN 18 2003

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

.DAY ONE...TODAY

SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER MUCH OF THE REGION AGAIN
TODAY. A FLOOD WATCH IS IN EFFECT FOR THE NORTH CAROLINA MOUNTAINS
AND THE WESTERN FOOTHILLS. SEE OUR PRODUCT CAEFFAGSP FOR DETAILS.
THE PRIMARY THREAT FROM THUNDERSTORMS TODAY WILL BE FREQUENT
LIGHTNING AND TORRENTIAL RAIN. HOWEVER...A THUNDERSTORM WITH AN
ISOLATED DAMAGING WIND GUST CANNOT BE RULED OUT LATE THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...

MORE THUNDERSTORMS WILL BE POSSIBLE ON THURSDAY. ISOLATED LARGE HAIL
AND DAMAGING WINDS WILL BE POSSIBLE...WITH FREQUENT LIGHTNING AND
HEAVY RAIN THE MORE PROMINENT THREAT. THUNDERSTORMS WILL BE POSSIBLE
AGAIN NEXT THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND
TONIGHT...PRIMARILY TO REPORT FLOODING AND RAINFALL AMOUNTS.

MCAVOY

In the hours before

Local storm report, Jun 18, 7:02 PM EDT, 4 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
702 PM EDT WED JUN 18 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

645 PM     MONROE                    NC   FLASH FLOOD
06/18/03   UNION                          COUNTY DISPATCH REPORTED
                                          NUMEROUS ROADS BARRICADED
                                          DUE TO HIGH WATER.
                                          SEVERAL IN MONROE...
                                          STALLON... AND ALSO ON
                                          HWY 601 NORTH.

645 PM     CHARLOTTE                 NC   FLASH FLOOD
06/18/03   MECKLENBURG                    COUNTY DISPATCH REPORTED
                                          SEVERAL STREETS IN
                                          CHARLOTTE CLOSED DUE TO
                                          FLOODING. EAST
                                          INDEPENDENCE...
                                          RANDOLPH... AND
                                          BALLENTINE CORPORATE
                                          ROADS FLOODED.

LAMB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 2:17 AM EDTFlash Flood WarningGSPAnderson, Pickens3 hr
Jun 19, 3:16 PM EDTSevere Thunderstorm WarningGSPChester, Union59 min
Jun 19, 3:27 PM EDTTornado WarningGSPChester48 min

Nearby

Flash Flood Warnings in South Carolina, 2003Every flash flood warning in 2003

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.