Alert archive / South Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 96, NWS Greenville-Spartanburg, SC

July 30, 2003Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 30, 2003, 11:16 PM EDT for Greenville 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: Jul 30, 2003, 11:16 PM EDT (03:16 UTC)
Expired: Jul 31, 2003, 2:15 AM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Greenville County, SC

The radar

The Greer radar (KGSP), 14 km from the middle of the area, began a volume at 03:17 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, 3.3 hours before the alert went out and 259 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 557 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 20 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.

000 
WGUS52 KGSP 310317
FFWGSP
SCC045-310615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1116 PM EDT WED JUL 30 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 215 AM EDT

* AT 11 PM EDT...FLASH FLOODING WAS ONGOING IN MUCH OF NORTHERN AND  
  CENTRAL GREENVILLE COUNTY...INCLUDING BEREA...SANS                 
  SOUCI...GREENVILLE...TAYLORS...AND PARTS OF GREER.  AT LEAST 4 TO  
  5 INCHES OF RAIN FELL IN A SHORT TIME DURING THE EVENING CENTERED  
  AROUND THE BEREA AREA.  

* THE REEDY AND THE ENOREE WILL RISE IN CENTRAL SECTIONS OF THE      
  COUNTY TO VERY SIGNIFICANT LEVELS...AND WILL FLOOD DOWNSTREAM      
  OVERNIGHT SOUTH AND EAST OF GREENVILLE.  THERE IS CONTINUED DANGER 
  OF DAM FAILURES...ESPECIALLY IN THE FURMAN...BEREA...AND WEST SIDE 
  GREENVILLE AREAS.

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.

$$
JONES

1 follow-up statement

000 
WGUS72 KGSP 310558
FFSGSP
SCC045-310645-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
158 AM EDT THU JUL 31 2003

...FLASH FLOOD WARNING FOR GREENVILLE COUNTY WILL EXPIRE AT 215 AM 
EDT...

HEAVY RAIN HAS ENDED ACROSS GREENVILLE COUNTY WITH LINGERING HIGH
WATER AND FLOOD PROBLEMS ATTRIBUTED TO RUNOFF FROM VERY HEAVY RAIN
WHICH FELL WEDNESDAY EVENING.

THE REEDY RIVER IN GREENVILLE CONTINUES TO FALL WITH THE LATEST
STAGE AT 9.5 FEET. COUNTY COMMUNICATIONS REPORTED JUST ONE ROAD
...RILEY SMITH...STILL CLOSED...WHILE GREENVILLE POLICE REPORTED
NO ROAD CLOSURES. 

STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING 
TO RECEDE...ENDING THE FLASH FLOOD THREAT. EVEN THOUGH STREAMS AND 
CREEKS WERE RECEDING...SOME ROADWAYS STILL MAY BE COVERED WITH 
WATER. MOTORISTS ARE ADVISED TO AVOID DRIVING THROUGH FLOODED 
ROADWAYS.

$$

55

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 30, 10:19 PM EDT, 57 minutes earlier.

Area forecast discussion, Jul 30, 10:19 PM EDT, 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1019 PM EDT WED JUL 30 2003

EXTREMELY BUSY WITH FFW/S THIS EVENING...HAVE ISSUED UPDATED
FFA TO EXTEND THRU TONIGHT & ADDED MCDOWELL COUNTY AS WELL.
KGSP VWP INDICATES VERY FAVORABLE DEEP SSE FLOW FOR CONTINUED
REDEVELOPMENT WITH 00Z AREA SNDGS INDICATING PWATS AROUND 130
PERCENT OF NORMAL. WILL ALSO NEED TO MONITOR OUTFLOW DRIVEN
TSTMS EXTENDING EAST TOWARD CLT AS WELL...BUT THIS AREA IS
PROPAGATING INTO A MORE STABLE AIRMASS AS PER LATEST MSAS...
SO HOPEFULLY AREAL EXTENT OF HEAVY RAIN THREAT EAST OF THE
WATCH AREA WILL BE MORE LIMITED. OTHERWISE...AS FAR AS POP
GRIDS GO TONIGHT...WILL OBVIOUSLY BE INCREASING IN MANY AREAS
BASED ON CURRENT COVERAGE AND CONTINUED UPSLOPE AND ALSO
FOR POTENTIAL INCREASE IN LLVL UPGLIDE FLOW EXPECTED
OVERNIGHT STARTING THE FAR WEST.

FCSTID = 55
GSP   70  86  71  86 / 100  60  60  50
AND   71  88  72  87 /  70  60  60  40
CLT   70  86  71  87 / 100  60  60  50
HKY   67  83  69  84 /  40  60  60  50
AVL   66  82  67  82 /  50  60  60  40

.GSP...
GA...FLOOD WATCH THROUGH TONIGHT FOR ZONES GAZ010...GAZ017>018.
NC...FLOOD WATCH THROUGH TONIGHT FOR ZONES NCZ054-NCZ063>067.
SC...FLOOD WATCH THROUGH TONIGHT FOR ZONES SCZ001>007.

Hazardous weather outlook, Jul 30, 4:30 AM EDT, 18 hours 46 minutes before

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-301100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
430 AM EDT WED JUL 30 2003

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

.DAY ONE...TODAY

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND
EVENING.

.DAYS TWO THROUGH SEVEN...

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE
EXTENDED PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

RB

In the hours before

Local storm report, Jul 30, 11:16 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1116 PM EDT WED JUL 30 2003

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

1050 PM    10 S MONROE               NC   FLASH FLOOD
07/30/03   UNION                          WATER ACROSS ROCKY RIVER
                                          ROAD SOUTH CAUSED CAR TO
                                          STALL OUT.

1110 PM    SANS SOUCI                NC   FLASH FLOOD
07/30/03   GREENVILLE                     WATER FILLED BASEMENT OF
                                          HOME AND WAS UP TO
                                          KITCHEN

RBN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 8:17 PM EDT	Flash Flood Warning	GSP	Greenville	3 hr
Jul 30, 9:39 PM EDT	Flash Flood Warning	GSP	Pickens	3 hr
Jul 30, 9:43 PM EDT	Flash Flood Warning	GSP	Spartanburg	3 hr

Nearby

Flash Flood Warnings in South Carolina, 2003 Every 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.