Alert archive / South Carolina / Flash Flood Warnings in 2001

Flash Flood Warning 6, NWS Greenville-Spartanburg, SC

June 25, 2001Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jun 25, 2001, 4:10 AM EDT for Union 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 25, 2001, 4:10 AM EDT (08:10 UTC)
Expired: Jun 25, 2001, 7:00 AM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Union County, SC

The radar

The Greer radar (KGSP), 59 km from the middle of the area, began a volume at 08:09 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.2 hours before the alert went out and 220 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: 553 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1280 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KGSP 250809
FFWGSP
SCC087-251100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
410 AM EDT MON JUN 25 2001

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 700 AM EDT

* AT 405 EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAIN SPREADING OVER WESTERN AND NORTHERN UNION COUNTY. 2 TO 3 INCHES 
OF RAIN HAVE ALREADY FALLEN BETWEEN 3 AND 4 AM AND SIMILAR RAINFALL 
RATES SHOULD CONTINUE OVER WESTERN AND NORTHERN PARTS OF THE COUNTY
THROUGH 5 AM.

CREEKS FEEDING INTO THE TYGER RIVER WILL BE ESPECIALLY SUSCEPTIBLE 
TO FLOODING...INCLUDING FAIRFOREST CREEK WHICH HAS A HISTORY OF 
FLOODING. 

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE
SAFELY DRIVEN THROUGH FLOOD WATERS.

$$

NEAL/JONES

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 25, 3:10 AM EDT, 1 hour earlier.

Area forecast discussion, Jun 25, 3:10 AM EDT, 1 hour before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
310 AM EDT MON JUN 25 2001

SLOW MOVING CELLS TRAINING N ALONG US 221 AND I-77. HAVE ISSUED
FLASH FLOOD WATCH FOR THIS MORNING IN E. UPPER LOW TO CUT OFF OVER S
APPALACHIANS TODAY AND RETROGRADE INTO MS VALLEY THIS PACKAGE. BEST
OMEGA OVER AREA TODAY...AND WITH MID LEVEL COOL POOL KEEPING AREA
UNSTABLE...WILL GO WITH LIKELY POPS ALL AREAS. HAIL THREAT TO
CONTINUE OVER AREA TODAY. WILL CONTINUE LIKELY POPS MOUNTAINS AND
FOOTHILLS TONIGHT AS LOW PULLS W...CUTTING PIEDMONT POPS TO HIGH
CHANCE. DESPITE W MOVEMENT OF LOW...UPSLOPE COMPONENT ACTUALLY
BETTER TUE...AND WILL MAINTAIN LIKELY POPS MOUNTAINS. CLOUD COVER
AND LOWER HEIGHTS TO CONTRIBUTE TO BELOW NORMAL TEMPERATURES...
MODERATING SOME IN E BY TUE.

MEDIUM RANGE MODELS AGREE ON MOVING LOW TO W WHILE IT WEAKENS...ONLY
TO TRY AND SWEEP IT E TOWARD WEEKEND. DIFFERENCES EXIST IN SPEED OF
RETURNING LOW...BUT ALL MODELS SIMILAR IN SURFACE PATTERN...WITH
WEAK ATLANTIC RIDGE OVER SE USA...AND BACK DOOR FRONT OVER NE USA.
RESULT IS CHANCE POPS THROUGHOUT EXTENDED...WITH SLIGHT INCREASE IN
CLOUD COVER TOWARD WEEKEND...COVERED IN PREVIOUS EXTENDED PACKAGE.
NO CHANGES MADE.

FCSTID = 7
GSP   79  66  83  66 /  60  50  40  30
AND   80  65  85  65 /  70  60  50  40
CLT   78  65  82  65 /  60  50  40  30
HKY   75  62  80  62 /  70  60  50  40
AVL   72  60  75  60 /  70  70  60  50

.GSP...
GA...NONE.
NC...FLASH FLOOD WATCH FOR THIS MORNING FOR ZONES NCZ035>037...
NCZ056>057...NCZ068>072...NCZ082.

SC...FLASH FLOOD WATCH FOR THIS MORNING FOR ZONES SCZ007>009...
SCZ013>014.

Y

In the hours before

Local storm report, Jun 24, 10:28 PM EDT, 5 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1028 PM EDT SUN JUN 24 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY L5OCATION....

955 PM     SHELBY                    NC   1.75 INCH HAIL
06/24/01   CLEVELAND                      GOLF BALL SIZE HAIL
                                          REPORTED BY EOC.

RB

Local storm report, Jun 24, 11:06 PM EDT, 5 hours 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1106 PM EDT SUN JUN 24 2001

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

1100 PM    SHELBY                    NC   FLASH FLOOD
06/24/01   CLEVELAND                      EOC REPORTS STORM DRAINS
                                          BLOCKED  AND STREET
                                          FLOODING...

RB

Local storm report, Jun 25, 2:54 AM EDT, 1 hour 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
254 AM EDT MON JUN 25 2001

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

225 AM     20 S SPARTANBURG          SC   FLASH FLOOD
06/25/01   SPARTANBURG                    MOTORIST FLOATED VEHICLE
                                          AFTER DRIVING INTO 3 FEET
                                          OF WATER OVER HIGHWAY
                                          146...JUST EAST OF
                                          INTERSTATE 26 AND HAD TO
                                          BE RESCUED.

RBN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 12:19 AM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	26 min
Jun 25, 1:57 AM EDT	Flash Flood Warning	GSP	Spartanburg	3 hr
Jun 25, 5:12 AM EDT	Flash Flood Warning	GSP	Cherokee	33 min
Jun 25, 5:20 AM EDT	Flash Flood Warning	GSP	Cherokee	3 hr
Jun 25, 1:53 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	67 min
Jun 25, 2:29 PM EDT	Flash Flood Warning	GSP	Anderson	2 hr
Jun 25, 2:42 PM EDT	Severe Thunderstorm Warning	GSP	Anderson	63 min
Jun 25, 3:05 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	55 min
Jun 25, 4:04 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	26 min
Jun 25, 6:09 PM EDT	Flash Flood Warning	GSP	Laurens	2 hr
Jun 25, 6:17 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	43 min
Jun 25, 7:32 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	43 min

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.