Alert archive / South Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 25, NWS Greenville-Spartanburg, SC

July 25, 2001Anderson County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 25, 2001, 6:20 PM EDT for Anderson 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 25, 2001, 6:20 PM EDT (22:20 UTC)
Expired: Jul 25, 2001, 9:15 PM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Anderson County, SC

The radar

The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 22:21 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 12:00Z, 10.3 hours before the alert went out and 214 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: 659 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -67 m²/s²
0-3 km storm-relative helicity: 12 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 252222
FFWGSP
SCC007-260115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
620 PM EDT WED JUL 25 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 915 PM EDT

* AT 620 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS
  AND THUNDERSTORMS MOVING EAST AT 20 MPH ACROSS ANDERSON
  COUNTY...WITH ADDITIONAL SHOWERS UPSTREAM OVER NORTHEAST GEORGIA.
  RADAR ESTIMATES THAT 3 TO 4 INCHES OF RAIN HAVE FALLEN AT SEVERAL
  LOCATIONS AROUND THE COUNTY...AND AN ADDITIONAL INCH OR TWO IS
  POSSIBLE WITH THE NEXT BATCH OF SHOWERS.

* FLOODING HAS PREVIOUSLY BEEN REPORTED IN PIEDMONT AND ON THE
  ANDERSON COUNTY SIDE OF THE TOWN OF EASLEY. ADDITIONAL HEAVY
  RAINFALL WILL LIKELY CREATE STREAM FLOODING IN STARR...IVA...AND
  BELTON. DANGEROUS LEVELS OF STANDING WATER WILL ALSO DEVELOP IN
  MANY AREA ROADWAYS.

DO NOT DRIVE THROUGH WATER COVERING ROADWAYS. IF YOU ENCOUNTER 
STANDING WATER...STOP! TURN AROUND AND SEEK ANOTHER ROUTE TO REACH 
YOUR DESTINATION SAFELY.

TO REPORT FLOODING HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.
$$
HG

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 25, 6:19 PM EDT, 1 minute earlier.

Area forecast discussion, Jul 25, 6:19 PM EDT, 1 minute before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
619 PM EDT WED JUL 25 2001

UPDATE FORTHCOMING TO ISSUE FLASH FLOOD WATCH FOR OUR FOUR SOUTHERNMOST
NORTHEAST GEORGIA COUNTIES...AND THE WESTERN MOST COUNTIES OF
UPSTATE SOUTH CAROLINA. RADAR SHOWS PRECIPITATION FILLING IN ONCE
AGAIN UPSTREAM...AND THIS RAIN WILL MOVE OVER LOCATIONS THAT HAVE
HAD JUST ABOUT ALL THE PRECIPITATION STREAMS...AND WET GROUND...CAN
ABSORB.

FCSTID = 44
GSP   71  87  71  85 /  70  50  40  40
AND   71  87  71  85 /  70  50  40  40
CLT   71  87  71  85 /  70  50  40  40
HKY   71  87  71  85 /  70  50  40  40
AVL   67  83  66  82 /  70  50  40  40

.GSP...
GA...FLASH FLOOD WATCH UNTIL 930 PM FOR ELBERT...FRANKLIN...HART
     AND STEPHENS COUNTIES.
NC...NONE.
SC...FLASH FLOOD WATCH UNTIL 930 PM FOR GREATER OCONEE...GREATER
     PICKENS...ANDERSON...ABBEVILLE...GREENWOOD...GREENVILLE...
     LAURENS...SPARTANBURG.

BURRUS

In the hours before

Local storm report, Jul 25, 4:48 PM EDT, 1 hour 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
448 PM EDT WED JUL 25 2001

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

410 PM     6 W PIEDMONT              SC   FLASH FLOOD
07/25/01   ANDERSON                       WATER FLOWING FROM POND
                                          ONTO LAKE ROAD. REPORTED
                                          BY COUNTY 911.

55

Local storm report, Jul 25, 4:59 PM EDT, 1 hour 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
459 PM EDT WED JUL 25 2001

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

422 PM     GREENVILLE                SC   FLASH FLOOD
07/25/01   GREENVILLE                     RILEY SMITH BRIDGE CLOSED
                                          NEAR ROPER MOUNTAIN ROAD.
                                          REPORTED BY COUNTY 911.

55

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 2:28 PM EDT	Flash Flood Warning	GSP	Anderson	107 min
Jul 25, 2:55 PM EDT	Flash Flood Warning	GSP	Greenville	110 min
Jul 25, 3:35 PM EDT	Flash Flood Warning	GSP	Spartanburg	85 min
Jul 25, 4:20 PM EDT	Flash Flood Warning	GSP	Anderson	115 min
Jul 25, 4:45 PM EDT	Flash Flood Warning	GSP	Greenville	2 hr

Nearby

Flash Flood Warnings in South Carolina, 2001 Every flash flood warning in 2001

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.