Alert archive / Georgia / Flash Flood Warnings in 2004
Flash Flood Warning 9, NWS Charleston, SC
NWS Charleston, SC issued this flash flood warning at Aug 12, 2004, 7:41 PM EDT for Bryan County, Chatham County, Georgia. It was in force for 94 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 12, 2004, 7:41 PM EDT (23:41 UTC)
- Expired
- Aug 12, 2004, 9:15 PM EDT
- In force
- 94 min
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
Counties Bryan County, GA, Chatham County, GA
The radar
The Charleston,SC radar (KCLX), 70 km from the middle of the area, began a volume at 23:42 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, 11.7 hours before the alert went out and 151 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
- 3311 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 489 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KCHS 122342 FFWCHS GAC029-051-130115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 741 PM EDT THU AUG 12 2004 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * FLASH FLOOD WARNING FOR... BRYAN COUNTY IN SOUTHEAST GEORGIA... CHATHAM COUNTY IN SOUTHEAST GEORGIA... * UNTIL 915 PM EDT * AT 740 PM EDT...RADAR INDICATED VERY HEAVY RAIN MOVING INTO BRYAN AND CHATHAM COUNTY. WEATHER SERVICE RADAR ESTIMATED THAT 4 INCHES OF RAIN HAVE FALLEN ACROSS LIBERTY COUNTY IN THE LAST 2 HOURS. THE HEAVY RAIN WILL SPREAD TO THE NORTHEAST AND MAY OVERWHELM DRAINAGE SYSTEMS. * FLASH FLOODING WILL OCCUR IN AND AROUND... GARDEN CITY...SAVANNAH...RICHMOND HILL AND PORT WENTWORTH... 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 3203 8141 3189 8118 3209 8105 3219 8118 $$
1 follow-up statement
000 WGUS72 KCHS 130114 FFSCHS GAC029-051-130130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 913 PM EDT THU AUG 12 2004 ...THE FLASH FLOOD WARNING FOR BRYAN AND CHATHAM COUNTIES WILL EXPIRE AT 915 PM... AT 913 PM RADAR INDICATED THAT THE AREA OF TORRENTIAL RAINFALL HAD SHIFTED INTO PARTS OF JASPER AND BEAUFORT COUNTIES IN EXTREME SOUTHERN SOUTH CAROLINA. HEAVY RAIN LINGERS ALONG SOME OF THE BARRIER ISLANDS OF CHATHAM COUNTY INCLUDING CHATHAM COUNTY. THIS RAIN SHOULD TAPER OFF BEFORE 930 PM. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR THE LOCAL MEDIA FOR ADDITIONAL SEVERE WEATHER INFORMATION. REPORT ANY FLOODING OR DAMAGE CAUSED BY FLOODING TO LOCAL LAW ENFORCEMENT OFFICIALS AND ASK THEM TO IMMEDIATELY RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE IN CHARLESTON. TO REPORT SIGNIFICANT FLOODING...PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024. $$ 24
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 6:21 PM EDT | Tornado Warning | CHS | Liberty, Long | 24 min |
| Aug 12, 6:42 PM EDT | Tornado Warning | CHS | Liberty, Long, McIntosh | 33 min |
| Aug 12, 7:16 PM EDT | Tornado Warning | CHS | Liberty, McIntosh | 29 min |
| Aug 12, 7:29 PM EDT | Flash Flood Warning | CHS | Candler, Liberty, Tattnall | 26 days |
| Aug 12, 7:35 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Liberty | 25 min |
| Aug 12, 7:59 PM EDT | Tornado Warning | CHS | Bryan, Chatham | 31 min |
Nearby
Flash Flood Warnings in Georgia, 2004Every flash flood warning in 2004
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.