Alert archive / Georgia / Flash Flood Warnings in 2009
Flash Flood Warning 16, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at May 27, 2009, 12:24 AM EDT for Rabun County, Georgia. It was in force for 2 hr. 1 report 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
- May 27, 2009, 12:24 AM EDT (04:24 UTC)
- Expired
- May 27, 2009, 2:30 AM EDT
- In force
- 2 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
County Rabun County, GA
The radar
The Greer radar (KGSP), 111 km from the middle of the area, began a volume at 04:24 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 2:15 AM EDT | FLASH FLOOD | Clayton, GA | WATER FLOWING ACROSS HWY 76 AT FIVE POINTS AREA 1/4 TO 1/2 MILE SE OF TOWN. |
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 one storm report to this flash flood warning; the first came 111 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.4 hours before the alert went out and 193 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.
- Mixed-layer CAPE
- 79 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS52 KGSP 270424
FFWGSP
GAC241-270715-
/O.NEW.KGSP.FF.W.0016.090527T0424Z-090527T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1224 AM EDT WED MAY 27 2009
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
RABUN COUNTY IN NORTHEAST GEORGIA...
* UNTIL 315 AM EDT
* AT 1206 AM EDT...RAINFALL HAS BEEN PILING UP SINCE LATE EVENING
ACROSS THE HIGHWAY 441 CORRIDOR AND THE RAWS RAINGAGE AT TALLULAH
HAS RECORDED AROUND 3 INCHES OF RAIN. DOPPLER RADAR INDICATES A
SWATH OF 3 INCHES OF RAIN WITHIN A CORRIDOR ALONG AND TO THE EAST
OF HIGHWAY 441.
* HOURLY RAINFALL RATES WITH ADDITIONAL HEAVY SHOWERS WILL AVERAGE
ONE TO ONE AND ONE HALF INCHES.
AMONG OTHER LOCALES IN THE WARNED AREA...HEAVY RAIN IN THE DILLARD
AREA WILL CAUSE BETTY AND LAMB CREEKS TO RISE RAPIDLY. FLOODING IS
LIKELY IN LOW LYING AREAS ALONG THESE CREEKS ESPECIALLY ON
BETTY CREEK ROAD AND ALONG U.S. HIGHWAY 23 AND 441.
ALSO...OWEN...CARSON AND BEAVER BRANCHES WILL RISE RAPIDLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. 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.
TO REPORT HIGH WATER...FLOODING...MUDSLIDES...LANDSLIDES OR OTHER
SEVERE WEATHER THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL
FREE NUMBER...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3495 8356 3499 8356 3500 8352 3500 8325
3498 8324 3489 8322 3487 8324 3482 8327
3478 8332 3471 8335 3474 8343 3472 8351
3482 8360 3482 8366 3487 8367
$$
CSH3 follow-up statements
000
WGUS72 KGSP 270510
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
110 AM EDT WED MAY 27 2009
GAC241-270715-
/O.CON.KGSP.FF.W.0016.000000T0000Z-090527T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RABUN GA-
110 AM EDT WED MAY 27 2009
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM EDT FOR RABUN
COUNTY...
AT 104 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SLOW DIMINISHING TREND OF THE HEAVY SHOWERS ACROSS THE WARNED
COUNTY. LOCALIZED HOURLY RAINFALL RATES WERE RANGING FROM ONE HALF
TO ONE INCH PER HOUR. THIS IS IN ADDITION TO A 2.5 TO 4 INCH
RAINFALL WHICH HAD OCCURRED EARLIER ALONG AND JUST EAST OF THE US
441 CORRIDOR.
AMONG OTHER LOCALES IN THE WARNED AREA...IN THE CLAYTON AREA...
STEKOA AND SCOTT CREEKS HAVE RISEN RAPIDLY AND FLOODING OF LOW LYING
AREAS ESPECIALLY IN THE VICINITY OF CAMPER CORRAL BRIDGE AND ALONG
HIGHWAY 76 WEST OF TOWN IS POSSIBLE.
IN THE DILLARD AREA....BETTY AND LAMB CREEKS HAVE RISEN RAPIDLY.
FLOODING IS POSSIBLE IN LOW LYING AREAS ESPECIALLY ON BETTY CREEK
ROAD AND ALONG U.S. HIGHWAY 23 AND 441. ALSO...OWEN...CARSON AND
BEAVER BRANCHES...ALONG WITH MIDDLE CREEK HAVE RISEN RAPIDLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.
&&
LAT...LON 3495 8356 3499 8356 3500 8352 3500 8325
3498 8324 3489 8322 3487 8324 3482 8327
3478 8332 3471 8335 3474 8343 3472 8351
3482 8360 3482 8366 3487 8367
$$
CSH000
WGUS72 KGSP 270551
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
151 AM EDT WED MAY 27 2009
GAC241-270715-
/O.CON.KGSP.FF.W.0016.000000T0000Z-090527T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RABUN GA-
151 AM EDT WED MAY 27 2009
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM EDT FOR RABUN
COUNTY...
AT 149 AM EDT...RADAR INDICATED THAT RAINFALL HAD ENDED ACROSS THE
WARNED COUNTY...AND COUNTY COMMUNICATIONS REPORTED JUST ISOLATED
HIGH WATER CONDITIONS ON AREA ROADS...MAINLY DUE TO POOR DRAINAGE.
STREAMS AND CREEKS ACROSS THE COUNTY WILL CONTINUE TO RECEDE...BUT
MOTORISTS ARE ADVISED TO BE WARY OF UNREPORTED HIGH WATER AND/OR
FLOODING CONDITIONS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SKY VALLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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. MOVE TO HIGHER GROUND.
&&
LAT...LON 3495 8356 3499 8356 3500 8352 3500 8325
3498 8324 3489 8322 3487 8324 3482 8327
3478 8332 3471 8335 3474 8343 3472 8351
3482 8360 3482 8366 3487 8367
$$000
WGUS72 KGSP 270630
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
230 AM EDT WED MAY 27 2009
GAC241-270639-
/O.CAN.KGSP.FF.W.0016.000000T0000Z-090527T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RABUN GA-
230 AM EDT WED MAY 27 2009
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR RABUN COUNTY...
SINCE RAIN HAS BEEN OVER ACROSS THE WARNED COUNTY FOR SOME TIME...
AND NO FLOODING OTHER THAN COMMON OR POOR DRAINAGE FLOODING WAS
REPORTED...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 3495 8356 3499 8356 3500 8352 3500 8325
3498 8324 3489 8322 3487 8324 3482 8327
3478 8332 3471 8335 3474 8343 3472 8351
3482 8360 3482 8366 3487 8367
$$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 May 26, 9:37 PM EDT, 2 hours 47 minutes earlier.
Area forecast discussion, May 26, 9:37 PM EDT, 2 hours 47 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
937 PM EDT TUE MAY 26 2009
.SYNOPSIS...
A LOW PRESSURE SYSTEM OVER THE NORTHERN PLAINS WILL TRACK NORTHEAST
AND CONTINUE TO AFFECT THE REGION THROUGH LATE WEEK. A COLD FRONT IS
EXPECTED TO TRACK ACROSS THE AREA LATE FRIDAY. THEN HIGH PRESSURE
SHOULD RIDGE OVER THE AREA THROUGH THE WEEKEND.
&&
.NEAR TERM /THROUGH WEDNESDAY/...
A VERY MOIST SOUTHEAST FLOW CONTINUES ACROSS THE REGION THIS
EVENING...AND WILL PERSIST THROUGH MUCH OF THE OVERNIGHT.
THEREFORE...CONVECTION SHOULD ONCE AGAIN BE MOST CONCENTRATED ALONG/
NEAR THE BLUE RIDGE. POPS HAVE BEEN INCREASED TO LIKELY IN THESE
AREAS THROUGH THE FIRST PERIOD. WITH LINGERING INSTABILITY...PWATS
RUNNING 160 PERCENT OF NORMAL...AND THE LIGHT UPSLOPE COMPONENT...
THE THREAT FOR LOCALIZED EXCESSIVE RAINFALL/FLASH FLOODING
REMAINS...AND WE PLAN NO ALTERATIONS TO THE WATCH.
OTHERWISE...MIN TEMPS WILL NEED AN UPWARD ADJUSTMENT TO BRING THEM
MORE IN LINE WITH THE PAST COUPLE OF DAYS.
WEDNESDAY...UPSLOPE FLOW WILL CONTINUE ACROSS THE REGION DURING THE
MORNING...VEERING SOUTH DURING THE AFTERNOON. THE ATMOSPHERE WILL
REMAIN VERY MOIST AND FAIRLY UNSTABLE. LIFT ASSOCIATED WITH THE
UPSLOPE FLOW AND A APPROACHING H7 TROF WILL RESULT IN ANOTHER
AFTERNOON OF NUMEROUS SHRA AND ISO TSRA. DUE TO THE H85 WIND
SHIFT...CONVECTION ROOTED OVER THE EAST FACING SLOPES WILL BECOME
LESS LIKELY...SUPPORTING A END TO THE FLASH FLOOD WATCH MID DAY.
TEMPERATURES WILL LIKELY REACH WITHIN ONE TO TWO DEGREES OF TODAY/S
VALUES.
&&
.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY NIGHT/...
AS OF 240 PM TUESDAY...LOW PRES SYSTEM OVER GREAT LAKES WILL KEEP
REGION IN MOIST S FLOW WED NIGHT-THU WITH AT LEAST A CHANCE OF SHWRS
AND ISOLD TSTMS CONTINUING OVER THE AREA THRU FRI NIGHT AS LOW
SLOWLY TRACKS NE. AS SFC AND 850MB LOW TRACK ENE INTO SE CANADA...
LOW LEVEL FLOW OVER CWA GRADUALLY VEERS TO BECOME MORE SW TO W WHICH
WILL WEAKEN UPSLOPE FLOW OVER CWA THU AFTN-FRI WHILE COLD FRONT
APPROACHES AND TRACKS THRU CWA. ALTHO A SOLID CHANCE OF SHWRS IS
EXPECTED...THIS SHOULD LESSEN THE THREAT OF PROLONGED MDT TO HEAVY
RAINFALL...ESP ALONG THE BLUE RIDGE ESCARPMENT AND ACROSS THE
PIEDMONT. WITH SW 850MB FLOW AND RESULTING WAA...ABOVE AVG TEMPS ARE
EXPECTED THU-FRI.
&&
.LONG TERM /SATURDAY THROUGH TUESDAY/...
AS OF 240 PM TUESDAY...LOOK FOR DRYING FROM THE W FRI NIGHT-EARLY
SAT MRNG AS FRONT MOVES E OF AREA AND HIGH PRES BUILDS IN BEHIND IT.
A BACK DOOR COLD FRONT WILL STALL N OF THE AREA SUN...THEN MOVE AWAY
FARTHER N MON AS HIGH PRES REBUILDS OVER THE REGION FROM THE E MON
AFTN-TUE. THIS PUTS AREA IN MILD SE FLOW SO LOOK FOR ABOVE AVG TEMPS
THRU THE PERIOD. KEPT POPS JUST BELOW SLIGHT CHANCE THRESHOLD FOR
THE FIRST PART OF THE WEEK.
&&
.AVIATION /02Z WEDNESDAY THROUGH SUNDAY/...
ONCE AGAIN....PERSISTENCE IS THE NAME OF THE GAME FOR THIS FORECAST
CYCLE...AS NO CHANGE IN AIRMASS WILL OCCUR OVER THE NEXT 24 HOURS.
THE ONLY TERMINAL THAT IS UNDER ANY NEAR-TERM THREAT FOR ORGANIZED
RAINFALL IS KHKY...SO A TEMPO FOR TSRA WILL BE CARRIED THERE THROUGH
02Z. OTHERWISE...VCSH WILL SUFFICE...AND A SHOWER CANNOT BE RULED
OUT AT ANY TERMINAL AT ANY POINT THROUGH THE END OF THE PERIOD.
OTHERWISE...CIGS SHOULD EXPAND AND LOWER THIS EVENING...WITH MVFR
CONDITIONS EXPECTED AT MOST SITES BY MIDNIGHT. CIGS SHOULD QUICKLY
DIMINISH TO IFR/LIFR BETWEEN MIDNIGHT AND SUNRISE...WITH VFR
CONDITIONS EXPECTED BY EARLY AFTERNOON. MUCH LIKE THIS MORNING...
SOME IFR VISBY WILL BE AT SOME OF THE TERMINALS AROUND SUNRISE...BUT
WE WILL FURTHER EVALUATE THIS THREAT WITH THE NEXT PACKAGE.
OUTLOOK...SCATTERED TO NUMEROUS SHOWERS WILL CONTINUE TO BE POSSIBLE
AT JUST ABOUT ANY TIME THROUGH THURSDAY...WITH MVFR DAYTIME TO IFR
NIGHTTIME CEILINGS POSSIBLE. A COLD FRONT IS EXPECTED TO MOVE
THROUGH THE AREA LATE IN THE WEEK...BRINGING DRIER WEATHER FOR THE
WEEKEND.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLASH FLOOD WATCH THROUGH WEDNESDAY AFTERNOON FOR GAZ010-017.
NC...FLASH FLOOD WATCH THROUGH WEDNESDAY AFTERNOON FOR NCZ062>065-
501>510.
SC...FLASH FLOOD WATCH THROUGH WEDNESDAY AFTERNOON FOR SCZ001-002-
004-005.
&&
SYNOPSIS...RB
NEAR TERM...JDL/NED
SHORT TERM...RB
LONG TERM...RB
AVIATION...JDLHazardous weather outlook, May 26, 3:22 PM EDT, 9 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 322 PM EDT TUE MAY 26 2009 GAZ010-017-NCZ062>065-501>510-SCZ001-002-004-005-271930- RABUN-HABERSHAM-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE- MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS- GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREATER OCONEE-GREATER PICKENS- 322 PM EDT TUE MAY 26 2009 ...FLASH FLOOD WATCH IN EFFECT THROUGH WEDNESDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... NONE. GAZ018-026-028-029-NCZ033-035>037-048>053-056>059-068>072-082-SCZ003- 006>014-019-271930- STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-IREDELL-DAVIE-MADISON- YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM- NORTHERN JACKSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS- UNION NC-GREENVILLE MOUNTAINS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 322 PM EDT TUE MAY 26 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA TONIGHT. SHOWERS THAT DEVELOP WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAINFALL AND ISOLATED FLOODING IS POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE.
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 9:51 PM EDT | Areal Flood Advisory | GSP | Rabun | 54 min |
| May 26, 10:53 PM EDT | Areal Flood Advisory | GSP | Habersham, Rabun, Stephens | 112 min |
Nearby
Flash Flood Warnings in Georgia, 2009Every flash flood warning in 2009
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.