Alert archive / Georgia / Flash Flood Warnings in 2007
Flash Flood Warning 6, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Sep 1, 2007, 8:17 AM EDT for Chatham County, Georgia. It was in force for 103 min. 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
- Sep 1, 2007, 8:17 AM EDT (12:17 UTC)
- Expired
- Sep 1, 2007, 10:00 AM EDT
- In force
- 103 min
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
- Flood severity
- None
County Chatham County, GA
The radar
The Charleston,SC radar (KCLX), 80 km from the middle of the area, began a volume at 12:19 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 1, 9:25 AM EDT | FLOOD | Wilmington Island, GA | HIGH WATER ON PROPERTY ON OMELER LOOP. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 0.3 hours before the alert went out and 142 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
- 774 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 479 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -31 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 KCHS 011221
FFWCHS
GAC051-011400-
/X.NEW.KCHS.FF.W.0006.070901T1217Z-070901T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
817 AM EDT SAT SEP 1 2007
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CHATHAM COUNTY IN SOUTHEAST GEORGIA...
* UNTIL 1000 AM EDT
* AT 814 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OCCURRING ALONG A LINE EXTENDING FROM WILMINGTON
ISLAND TO 7 MILES SOUTH OF SKIDAWAY ISLAND...OR ALONG A LINE
EXTENDING FROM 12 MILES SOUTHEAST OF SAVANNAH TO 15 MILES SOUTH OF
SAVANNAH...MOVING NORTH AT 10 MPH.
* FLASH FLOODING IS EXPECTED IN AND AROUND...
SKIDAWAY ISLAND...
TYBEE ISLAND...ISLE OF HOPE...
WILMINGTON ISLAND...
THUNDERBOLT...
SAVANNAH...RIVERSIDE...
DOPPLER RADAR ESTIMATED AS MUCH AS 2 TO 4 INCHES OF RAIN IN AND NEAR
THESE COMMUNITIES SINCE BEFORE 8 AM. REPORTS FROM TYBEE ISLAND
POLICE INDICATE THAT CONSIDERABLE WATER IS STARTING TO DEVELOP ON
THE SOUTHERN END OF THE ISLAND.
AN ADDITIONAL 2 TO 4 INCHES OF RAIN IS EXPECTED IN THE WARNING AREA
THROUGH 1000 AM...WHICH WILL RESULT IN SIGNIFICANT FLOODING OF
SEVERAL ROADS...SUCH AS ROUTE 80...AS WELL AS POSSIBLY AFFECTING
SOME PROPERTIES.
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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY
FOR HIGHER GROUND. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES.
TO REPORT SIGNIFICANT FLOODING...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024.
LAT...LON 3190 8111 3208 8109 3206 8095 3201 8083
3194 8090 3195 8095 3193 8097 3193 8093
3192 8093 3185 8099 3186 8104 3181 8104
TIME...MOT...LOC 1217Z 184DEG 9KT 3199 8089 3184 8100
$$
331 follow-up statement
000
WGUS72 KCHS 011401
FFSCHS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
958 AM EDT SAT SEP 1 2007
GAC051-011408-
/X.EXP.KCHS.FF.W.0006.000000T0000Z-070901T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHATHAM GA-
958 AM EDT SAT SEP 1 2007
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1000 AM EDT FOR CHATHAM
COUNTY...
ALTHOUGH THE HEAVIEST RAINS HAVE DIMINISHED...LIGHT TO MODERATE
RAINS WILL CONTINUE TO FALL OVER PRIMARILY EASTERN PORTIONS OF
CHATHAM COUNTY THROUGH NOON. THE THREAT FOR SIGNIFICANT FLOODING HAS
ENDED...HOWEVER LOCALIZED PONDING OF WATER ON ROADWAYS AND IN POOR
DRAINAGE AREAS WILL CONTINUE TO BE POSSIBLE THROUGH NOON.
TO REPORT SIGNIFICANT FLOODING...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV.
LAT...LON 3190 8111 3208 8109 3206 8095 3201 8083
3194 8090 3195 8095 3193 8097 3193 8093
3192 8093 3185 8099 3186 8104 3181 8104
TIME...MOT...LOC 1358Z 184DEG 9KT 3224 8087 3209 8098
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 2:25 AM EDT | Special Marine Warning | CHS | 47 min | |
| Sep 1, 6:38 AM EDT | Areal Flood Advisory | CHS | Bryan, Chatham, Liberty | 97 min |
| Sep 1, 7:52 AM EDT | Areal Flood Advisory | CHS | Chatham | 2 hr |
| Sep 1, 11:44 AM EDT | Areal Flood Advisory | CHS | Chatham | 61 min |
| Sep 1, 12:06 PM EDT | Flash Flood Warning | CHS | Chatham | 6 hr |
| Sep 1, 4:38 PM EDT | Flood Watch | CHS | Bulloch, Candler, Effingham, Evans, Long, Tattnall | 29 hr |
| Sep 1, 5:02 PM EDT | Areal Flood Advisory | CHS | Bryan, Chatham, Liberty, McIntosh | 88 min |
| Sep 1, 5:31 PM EDT | Flash Flood Warning | CHS | Chatham | 6 hr |
| Sep 1, 6:22 PM EDT | Areal Flood Advisory | CHS | Bryan, Liberty, McIntosh | 113 min |
| Sep 1, 7:12 PM EDT | Flash Flood Warning | CHS | Bryan | 6 hr |
| Sep 1, 7:58 PM EDT | Areal Flood Advisory | CHS | Liberty, McIntosh | 2 hr |
Nearby
Flash Flood Warnings in Georgia, 2007Every flash flood warning in 2007
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.