Alert archive / Georgia / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Sep 26, 2011, 3:19 PM EDT for McIntosh County, Georgia. It was in force for 80 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
- Sep 26, 2011, 3:19 PM EDT (19:19 UTC)
- Expired
- Sep 26, 2011, 4:39 PM EDT
- In force
- 80 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
- Flood severity
- None
County McIntosh County, GA
The radar
The Jacksonville radar (KJAX), 104 km from the middle of the area, began a volume at 19:19 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, 7.3 hours before the alert went out and 102 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
- 3076 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 514 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
435
WGUS52 KCHS 261919
FFWCHS
GAC191-262115-
/O.NEW.KCHS.FF.W.0010.110926T1919Z-110926T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
319 PM EDT MON SEP 26 2011
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MCINTOSH COUNTY IN SOUTHEAST GEORGIA...
* UNTIL 515 PM EDT
* AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OCCURRING NEAR CARNIGAN...OR ABOUT 6 MILES NORTH OF
DARIEN. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY.
NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES 3 TO 5 INCHES OF
RAIN HAVE FALLEN ACROSS PORTIONS OF MCINTOSH COUNTY SO FAR THIS
AFTERNOON...AND ANOTHER 1 TO 2 INCHES IS POSSIBLE...ESPECIALLY IN
THE SOUTHERN PART OF THE COUNTY NEAR DARIEN...THROUGH 5 PM.
* FLASH FLOODING IS EXPECTED IN AND AROUND...
DARIEN...CARNIGAN...MERIDIAN...EULONIA...CRESCENT...
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.
KEEP CHILDREN AWAY FROM STORM DRAINS...WATER CATCHMENTS...AND
STREAMS. ONLY A FEW INCHES OF MOVING WATER CAN KNOCK A CHILD OFF
THEIR FEET AND SWEEP THEM TO THEIR DEATH.
TO REPORT FLOODING...CONTACT THE NATIONAL WEATHER SERVICE IN
CHARLESTON TOLL FREE AT 1-888-383-2024.
&&
LAT...LON 3131 8144 3133 8144 3137 8155 3145 8162
3148 8162 3164 8147 3147 8120 3140 8125
3137 8124 3137 8127 3133 8126 3129 8129
3131 8136 3131 8139 3129 8141
$$2 follow-up statements
835
WGUS72 KCHS 262018
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
418 PM EDT MON SEP 26 2011
GAC191-262115-
/O.CON.KCHS.FF.W.0010.000000T0000Z-110926T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCINTOSH GA-
418 PM EDT MON SEP 26 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
SOUTHERN MCINTOSH COUNTY...
AT 413 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE THAT
THE COVERAGE AND INTENSITY OF THE RAINFALL HAS DECREASED ACROSS
MUCH OF CENTRAL AND NORTHWEST MCINTOSH COUNTY. AREAS ACROSS FAR
SOUTHEASTERN PORTIONS OF MCINTOSH COUNTY MAY RECEIVE AN ADDITIONAL
INCH OF RAIN THROUGH 500 PM. RUNOFF FROM THE PREVIOUS HEAVY RAINFALL
AND ADDITIONAL RAINFALL MAY RESULT IN FLASH FLOODING THROUGH 515 PM.
FLASH FLOODING IS EXPECTED IN AND AROUND CARNIGAN...CRESCENT...
DARIEN...MERIDIAN...RIDGEVILLE...SAPELO ISLAND...VALONA AND WOLF
ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
AVOID DRIVING INTO WATER ON THE ROAD. THE WATER IS USUALLY DEEPER
THAN IT APPEARS AND THE ROAD MAY BE WASHED OUT. ONLY ONE FOOT OF
WATER WILL STALL A VEHICLE AND LESS THAN TWO FEET OF WATER CAN FLOAT
AND CARRY AWAY A VEHICLE. FLOODING IS THE NUMBER ONE WEATHER-RELATED
CAUSE OF DEATH IN THE UNITED STATES. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3131 8144 3133 8144 3137 8155 3142 8160
3151 8143 3153 8129 3147 8120 3140 8125
3137 8124 3137 8127 3133 8126 3129 8129
3131 8136 3131 8139 3129 8141
$$675
WGUS72 KCHS 262039
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
439 PM EDT MON SEP 26 2011
GAC191-262049-
/O.CAN.KCHS.FF.W.0010.000000T0000Z-110926T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCINTOSH GA-
439 PM EDT MON SEP 26 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN MCINTOSH
COUNTY...
TO REPORT SIGNIFICANT FLOODING AND ANY ROAD CLOSURES...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 3131 8144 3133 8144 3137 8155 3142 8160
3151 8143 3153 8129 3147 8120 3140 8125
3137 8124 3137 8127 3133 8126 3129 8129
3131 8136 3131 8139 3129 8141
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 9:27 PM EDT | Areal Flood Advisory | CHS | Chatham, Effingham | 77 min |
| Sep 26, 10:41 AM EDT | Special Marine Warning | CHS | 65 min | |
| Sep 26, 12:17 PM EDT | Special Marine Warning | CHS | 88 min | |
| Sep 26, 12:30 PM EDT | Special Weather Statement | CHS | Chatham, McIntosh | 30 min |
| Sep 26, 12:58 PM EDT | Areal Flood Advisory | CHS | Bryan, Chatham, Liberty, McIntosh | 92 min |
| Sep 26, 1:16 PM EDT | Special Weather Statement | CHS | McIntosh | 44 min |
| Sep 26, 1:39 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Sep 26, 2:11 PM EDT | Special Weather Statement | CHS | McIntosh | 64 min |
| Sep 26, 2:23 PM EDT | Areal Flood Advisory | CHS | McIntosh | 82 min |
| Sep 26, 3:14 PM EDT | Special Weather Statement | CHS | McIntosh | 46 min |
| Sep 26, 4:01 PM EDT | Special Weather Statement | CHS | Tattnall | 29 min |
| Sep 26, 4:04 PM EDT | Special Marine Warning | CHS | 27 min | |
| Sep 26, 4:08 PM EDT | Areal Flood Advisory | CHS | Long, Tattnall | 66 min |
| Sep 26, 4:21 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long | 23 min |
| Sep 26, 4:31 PM EDT | Special Weather Statement | CHS | Evans, Tattnall | 44 min |
| Sep 26, 4:48 PM EDT | Areal Flood Advisory | CHS | Evans, Tattnall | 27 min |
| Sep 26, 5:04 PM EDT | Special Weather Statement | CHS | Bulloch, Evans | 26 min |
| Sep 26, 5:42 PM EDT | Special Weather Statement | CHS | Bulloch | 33 min |
Nearby
Flash Flood Warnings in Georgia, 2011Every flash flood warning in 2011
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.