Alert archive / Georgia / Flash Flood Warnings in 2012
Flash Flood Warning 8, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Aug 28, 2012, 7:35 PM EDT for 4 counties in Georgia. It was in force for 60 min. 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 28, 2012, 7:35 PM EDT (23:35 UTC)
- Expired
- Aug 28, 2012, 8:35 PM EDT
- In force
- 60 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Evans County, GA, Liberty County, GA, Long County, GA, Tattnall County, GA
The radar
The Charleston,SC radar (KCLX), 126 km from the middle of the area, began a volume at 23:38 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
Jacksonville, FL (KJAX), launched 12:00Z, 11.6 hours before the alert went out and 158 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
- 1236 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 514 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -89 m²/s²
- 0-3 km storm-relative helicity
- -59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
841
WGUS52 KCHS 282335
FFWCHS
GAC109-179-183-267-290130-
/O.NEW.KCHS.FF.W.0008.120828T2335Z-120829T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
735 PM EDT TUE AUG 28 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN EVANS COUNTY IN SOUTHEAST GEORGIA...
NORTHWESTERN LIBERTY COUNTY IN SOUTHEAST GEORGIA...
NORTHWESTERN LONG COUNTY IN SOUTHEAST GEORGIA...
TATTNALL COUNTY IN SOUTHEAST GEORGIA...
* UNTIL 930 PM EDT
* AT 729 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
NUMEROUS SHOWERS AND THUNDERSTORMS EXTENDING FROM MIDWAY AND
GLENNVILLE SOUTHWEST TO NEAR BAXLEY. AS MUCH AS 3 INCHES OF RAIN
HAS ALREADY FALLEN IN SOME AREAS SINCE 630 PM AND AN ADDITIONAL 2
TO 3 INCHES COULD FALL THROUGH 930 PM...RESULTING IN FLASH
FLOODING.
* FLASH FLOODING IS EXPECTED IN AND AROUND...
GLENNVILLE...MENDES...MIDWAY...REIDSVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AVOID DRIVING INTO WATER ON THE ROAD. THE WATER IS USUALLY DEEPER
THAN IT APPEARS AND THE ROAD MAY BE WASHED OUT. ONLY ONE FOOT OF
WATER WILL STALL A VEHICLE AND LESS THAN TWO FEET OF WATER CAN FLOAT
AND CARRY AWAY A VEHICLE. FLOODING IS THE NUMBER ONE WEATHER-RELATED
CAUSE OF DEATH IN THE UNITED STATES. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
TO REPORT FLOODING...CONTACT THE NATIONAL WEATHER SERVICE IN
CHARLESTON TOLL FREE AT 1-888-383-2024.
&&
LAT...LON 3204 8221 3217 8203 3200 8171 3175 8191
3175 8193 3178 8196 3178 8198 3181 8202
3184 8208 3186 8212 3188 8212 3191 8223
$$1 follow-up statement
971
WGUS72 KCHS 290035
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
835 PM EDT TUE AUG 28 2012
GAC109-179-183-267-290045-
/O.CAN.KCHS.FF.W.0008.000000T0000Z-120829T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TATTNALL GA-EVANS GA-LIBERTY GA-LONG GA-
835 PM EDT TUE AUG 28 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
LONG...NORTHWESTERN LIBERTY...SOUTHWESTERN EVANS AND TATTNALL
COUNTIES...
ALTHOUGH THE RISK FOR SIGNIFICANT FLOODING HAS ENDED...DRAINAGE
SYSTEMS AND CULVERTS WILL REMAIN FULL. PONDING WATER WILL PERSIST IN
LOW-LYING AREAS AND MAY POSE A HAZARD TO MOTORISTS. STAY TUNED TO
NOAA WEATHER RADIO ALL-HAZARDS FOR THE LATEST WEATHER INFORMATION.
LAT...LON 3204 8221 3217 8203 3200 8171 3175 8191
3175 8193 3178 8196 3178 8198 3181 8202
3184 8208 3186 8212 3188 8212 3191 8223
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 3:53 PM EDT | Areal Flood Advisory | CHS | Effingham | 2 hr |
| Aug 28, 4:26 PM EDT | Special Weather Statement | CHS | Bulloch | 64 min |
| Aug 28, 4:51 PM EDT | Special Weather Statement | CHS | Effingham | 39 min |
| Aug 28, 4:56 PM EDT | Severe Thunderstorm Warning | CHS | Effingham | 64 min |
| Aug 28, 5:42 PM EDT | Special Weather Statement | CHS | Evans | 48 min |
| Aug 28, 6:18 PM EDT | Special Weather Statement | CHS | Liberty, Long, McIntosh | 57 min |
| Aug 28, 6:35 PM EDT | Areal Flood Advisory | CHS | Evans, Tattnall | 115 min |
| Aug 28, 6:43 PM EDT | Special Weather Statement | CHS | Tattnall | 47 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.