Alert archive / Georgia / Flash Flood Warnings in 2012
Flash Flood Warning 25, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 25, 2012, 5:23 PM EDT for Rabun County, Georgia. 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 outline as issued.
The facts
- Issued
- Aug 25, 2012, 5:23 PM EDT (21:23 UTC)
- Expired
- Aug 25, 2012, 8:30 PM EDT
- In force
- 3 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 21:23 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 12:00Z, 9.4 hours before the alert went out and 189 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
- 500 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- -23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
403 WGUS52 KGSP 252123 FFWGSP GAC241-260030- /O.NEW.KGSP.FF.W.0025.120825T2123Z-120826T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 523 PM EDT SAT AUG 25 2012 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL RABUN COUNTY IN NORTHEAST GEORGIA... * UNTIL 830 PM EDT * AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES THAT IN EXCESS OF 3 INCHES HAS OCCURRED IN THE TIGER CREEK BASIN SINCE 430 PM. AN ADDITIONAL ONE HALF INCH TO AN INCH OF RAIN IS LIKELY. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. THE MAIN STREAM THAT IS EXPECTED TO BE AFFECTED IS TIGER CREEK. HOWEVER...OTHER STREAMS IN THE WARNED AREA COULD SEE FLASH FLOODING AS WELL...INCLUDING STEKOA CREEK. OTHER STREAMS AND BASINS THAT COULD BE AFFECTED INCLUDE... CHECHERO CREEK...BRIDGE CREEK...TIMPSON CREEK...BOEN CREEK...DADS CREEK...AND CLIFF CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 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 3478 8338 3478 8350 3488 8351 3488 8338 $$ LANE
1 follow-up statement
419 WGUS72 KGSP 252226 FFSGSP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 626 PM EDT SAT AUG 25 2012 GAC241-260030- /O.CON.KGSP.FF.W.0025.000000T0000Z-120826T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ RABUN GA- 626 PM EDT SAT AUG 25 2012 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL RABUN COUNTY UNTIL 830 PM EDT... AT 621 PM EDT...ALTHOUGH HEAVY RAIN HAS ENDED ACROSS THE WARNING AREA...DOPPLER RADAR ESTIMATES THAT 3 TO 4 INCHES OF RAIN HAS FALLEN SINCE 430 PM IN THE TIGER CREEK AND STEKOA CREEK BASINS IN THE TIGER COMMUNITY. AS WATER FROM THIS HEAVY RAIN CONTINUES TO MOVE DOWNSTREAM...FLOODING IS EXPECTED TO DEVELOP IN LOW SPOTS ALONG THESE STREAMS. ADDITIONAL FLOODING MAY BE SEEN IN SMALL TRIBUTARIES FEEDING THESE STREAMS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. && LAT...LON 3478 8338 3478 8350 3488 8351 3488 8338 $$ LANE
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 4:23 PM EDT | Special Weather Statement | GSP | Rabun | 52 min |
| Aug 25, 4:49 PM EDT | Special Weather Statement | GSP | Rabun | 41 min |
| Aug 25, 5:01 PM EDT | Severe Thunderstorm Warning | GSP | Habersham, Rabun | 43 min |
| Aug 25, 7:55 PM EDT | Special Weather Statement | GSP | Rabun | 20 min |
Nearby
Flash Flood Warnings in Georgia, 2012Every flash flood warning in 2012
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.