Alert archive / Georgia / Flash Flood Warnings in 2012
Flash Flood Warning 2, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at May 29, 2012, 6:07 PM EDT for Allendale County, South Carolina; Jenkins County, Screven 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
- May 29, 2012, 6:07 PM EDT (22:07 UTC)
- Expired
- May 29, 2012, 9:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jenkins County, GA, Screven County, GA, Allendale County, SC
The radar
The Charleston,SC radar (KCLX), 67 km from the middle of the area, began a volume at 22:10 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
Charleston AFB, SC (KCHS), launched 12:00Z, 10.1 hours before the alert went out and 154 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
- 1148 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
395
WGUS52 KCHS 292207
FFWCHS
GAC165-251-SCC005-300100-
/O.NEW.KCHS.FF.W.0002.120529T2207Z-120530T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
607 PM EDT TUE MAY 29 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN JENKINS COUNTY IN SOUTHEAST GEORGIA...
NORTHERN SCREVEN COUNTY IN SOUTHEAST GEORGIA...
ALLENDALE COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 900 PM EDT
* AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OCCURRING ALONG A LINE EXTENDING FROM 7 MILES EAST
OF ALLENDALE TO 7 MILES NORTH OF MILLEN...MOVING NORTHEAST AT 10
MPH.
RAINFALL AMOUNTS OF UP TO 3 INCHES HAS ALREADY FALLEN TODAY...AND
ANOTHER 1 TO 2 INCHES OF RAIN IS EPXECTED THROUGH 9 PM.
* FLASH FLOODING IS EXPECTED IN AND AROUND...
MILLHAVEN...BURTONS FERRY LANDING...PERKINS...ALLENDALE...
SYCAMORE...SEIGLING...APPLETON...
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 3292 8209 3293 8196 3296 8184 3292 8176
3304 8156 3308 8162 3310 8161 3314 8146
3311 8136 3312 8119 3303 8110 3291 8128
3285 8161 3281 8210
$$2 follow-up statements
858
WGUS72 KCHS 292259
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
659 PM EDT TUE MAY 29 2012
GAC165-251-SCC005-300100-
/O.CON.KCHS.FF.W.0002.000000T0000Z-120530T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SCREVEN GA-JENKINS GA-ALLENDALE SC-
659 PM EDT TUE MAY 29 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
ALLENDALE...NORTHERN JENKINS AND NORTHERN SCREVEN COUNTIES...
AT 655 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AREA OF HEAVY RAIN CAPABLE OF PRODUCING FLASH FLOODING.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES EAST OF
ULMER TO PERKINS...MOVING NORTHEAST AT 5 MPH.
FLASH FLOODING IS EXPECTED IN AND AROUND BURTONS FERRY LANDING...
HILLTONIA...MILLHAVEN...PERKINS...ALLENDALE...APPLETON...BARTON...
FAIRFAX...MARTIN...MILLETT...SEIGLING...SYCAMORE AND ULMER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WATER DEPTH IS NEARLY IMPOSSIBLE TO DETERMINE AT NIGHT. DO NOT
ATTEMPT TO CROSS WATER ON THE ROADWAY EVEN IF IT APPEARS SHALLOW.
FIND AN ALTERNATE ROUTE. A SHORT DELAY IN YOUR TRAVEL PLANS IS BETTER
THAN LOSING YOUR CAR...OR YOUR LIFE.
TO REPORT SIGNIFICANT FLOODING...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV. REPORTS CAN ALSO BE SENT THROUGH
TWITTER USING #WXREPORT.
&&
LAT...LON 3292 8209 3293 8196 3296 8184 3292 8176
3304 8156 3308 8162 3310 8161 3314 8146
3311 8136 3312 8119 3303 8110 3291 8128
3285 8161 3281 8210
$$693
WGUS72 KCHS 292348
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
748 PM EDT TUE MAY 29 2012
GAC165-251-SCC005-300100-
/O.CON.KCHS.FF.W.0002.000000T0000Z-120530T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SCREVEN GA-JENKINS GA-ALLENDALE SC-
748 PM EDT TUE MAY 29 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
ALLENDALE...NORTHERN JENKINS AND NORTHERN SCREVEN COUNTIES...
AT 746 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AREA OF HEAVY RAIN CAPABLE OF PRODUCING FLASH FLOODING.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES
NORTHEAST OF ULMER TO PERKINS...MOVING NORTHEAST AT 5 MPH.
FLASH FLOODING IS EXPECTED IN AND AROUND BURTONS FERRY LANDING...
HILLTONIA...MILLHAVEN...PERKINS...ALLENDALE...APPLETON...BARTON...
FAIRFAX...MARTIN...MILLETT...SEIGLING...SYCAMORE AND ULMER.
THERE HAVE ALREADY BEEN REPORTS OF FLOODING ON ROADS IN JENKINS
COUNTY NEAR HERNDON...AS WELL AS SOME WATER ON THE ROADS IN NORTHERN
ALLENDALE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WATER DEPTH IS NEARLY IMPOSSIBLE TO DETERMINE AT NIGHT. DO NOT
ATTEMPT TO CROSS WATER ON THE ROADWAY EVEN IF IT APPEARS SHALLOW.
FIND AN ALTERNATE ROUTE. A SHORT DELAY IN YOUR TRAVEL PLANS IS BETTER
THAN LOSING YOUR CAR...OR YOUR LIFE.
TO REPORT SIGNIFICANT FLOODING...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV. REPORTS CAN ALSO BE SENT THROUGH
TWITTER USING #WXREPORT.
&&
LAT...LON 3292 8209 3293 8196 3296 8184 3292 8176
3304 8156 3308 8162 3310 8161 3314 8146
3311 8136 3312 8119 3303 8110 3291 8128
3285 8161 3281 8210
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 12:55 PM EDT | Special Weather Statement | CHS | Beaufort, Jasper | 50 min |
| May 29, 1:38 PM EDT | Special Weather Statement | CHS | Hampton, Jasper | 22 min |
| May 29, 3:53 PM EDT | Flash Flood Watch | CHS | Allendale, Berkeley, Colleton, Dorchester, Hampton | 12 hr |
| May 29, 3:43 AM EDT | Special Marine Warning | CHS | 62 min | |
| May 29, 6:14 AM EDT | Special Weather Statement | CHS | Effingham, Jenkins, Screven | 46 min |
| May 29, 6:51 AM EDT | Special Marine Warning | CHS | 54 min | |
| May 29, 9:36 AM EDT | Special Weather Statement | CHS | Bryan, Bulloch | 39 min |
| May 29, 10:14 AM EDT | Special Weather Statement | CHS | Bulloch | 31 min |
| May 29, 10:37 AM EDT | Special Weather Statement | CHS | Jenkins | 38 min |
| May 29, 10:55 AM EDT | Tornado Warning | CHS | Bulloch, Jenkins, Screven | 50 min |
| May 29, 11:34 AM EDT | Special Marine Warning | CHS | 116 min | |
| May 29, 11:37 AM EDT | Special Weather Statement | CHS | Bulloch, Screven | 53 min |
| May 29, 12:03 PM EDT | Special Weather Statement | CHS | Jenkins | 27 min |
| May 29, 12:24 PM EDT | Areal Flood Advisory | CHS | Bulloch, Jenkins, Screven | 32 min |
| May 29, 12:27 PM EDT | Special Weather Statement | CHS | Jenkins | 48 min |
| May 29, 12:37 PM EDT | Special Marine Warning | CHS | 48 min | |
| May 29, 5:42 PM EDT | Special Marine Warning | CHS | 2 hr |
Nearby
Flash Flood Warnings in Georgia, 2012Flash Flood Warnings in South Carolina, 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.