Alert archive / Georgia / Flash Flood Warnings in 2007

Flash Flood Warning 13, NWS Charleston, SC

September 2, 2007Bryan County, Georgia

NWS Charleston, SC issued this flash flood warning at Sep 2, 2007, 11:39 AM EDT for Bryan 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
Sep 2, 2007, 11:39 AM EDT (15:39 UTC)
Expired
Sep 2, 2007, 2:45 PM EDT
In force
3 hr
Issued by
NWS Charleston, SC
Area
Counties, with a storm outline in the text
Flood severity
None

County Bryan County, GA

The radar

The Charleston,SC radar (KCLX), 91 km from the middle of the area, began a volume at 15:41 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, 3.7 hours before the alert went out and 156 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.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2007-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1744 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2007-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1744 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
551 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KCHS 021543
FFWCHS
GAC029-021845-
/X.NEW.KCHS.FF.W.0013.070902T1539Z-070902T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1139 AM EDT SUN SEP 2 2007

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BRYAN COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 245 PM EDT

* AT 1139 AM EDT...LAW ENFORCEMENT OFFICIALS REPORTED THAT     
  NUMEROUS ROADS AROUND BRYAN COUNTY REMAIN CLOSED DUE TO HIGH 
  WATER MAKING THEM IMPASSABLE. MOST OF THESE ARE IN THE RICHMOND 
  HILL AREA. IN ADDITION...WATER WAS ALSO REPORTED TO BE ENTERING 
  SEVERAL HOMES IN SUBDIVISIONS AROUND THE RICHMOND HILL AREA.

* FLASH FLOODING IS EXPECTED IN AND AROUND...
  KELLER...BELFAST...
  RICHMOND HILL...FORT MCALLISTER...

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 3175 8125 3182 8130 3186 8138 3191 8139
      3197 8130 3190 8124 3193 8121 3192 8120
      3190 8122 3190 8118 3186 8115 3182 8117
      3174 8115 3173 8120
TIME...MOT...LOC 1539Z 180DEG 0KT 3188 8128

$$
1 follow-up statement
000 
WGUS72 KCHS 021838
FFSCHS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
238 PM EDT SUN SEP 2 2007

GAC029-021845-
/X.EXP.KCHS.FF.W.0013.000000T0000Z-070902T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BRYAN GA-
238 PM EDT SUN SEP 2 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 245 PM EDT FOR BRYAN
COUNTY...

THE HEAVIEST RAIN HAS ENDED OVER BRYAN COUNTY...AND FLOOD WATERS ARE 
RECEDING. BRYAN COUNTY EMERGENCY MANAGEMENT REPORTS ALL ROADS ARE 
OPEN. THUS THE FLOOD WARNING WILL BE ALLOWED TO EXPIRE.

A FLOOD WATCH REMAINS IN EFFECT FOR BRYAN COUNTY UNTIL 6 AM MONDAY 
MORNING. IT IS POSSIBLE THAT HEAVY RAIN MAY REDEVELOP LATER TODAY OR 
TONIGHT...WHICH COULD PROMPT THE ISSUANCE OF ADDITIONAL ADVISORIES 
OR WARNINGS. 

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 3175 8125 3182 8130 3186 8138 3191 8139
      3197 8130 3190 8124 3193 8121 3192 8120
      3190 8122 3190 8118 3186 8115 3182 8117
      3174 8115 3173 8120
TIME...MOT...LOC 1835Z 180DEG 0KT 3188 8128

$$

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 1, 9:56 PM EDTAreal Flood AdvisoryCHSLiberty2 hr
Sep 2, 1:07 AM EDTFlash Flood WarningCHSBryan7 hr
Sep 2, 4:59 AM EDTAreal Flood AdvisoryCHSLiberty, McIntosh91 min
Sep 2, 7:54 AM EDTFlash Flood WarningCHSBryan4 hr
Sep 2, 8:21 AM EDTAreal Flood AdvisoryCHSChatham99 min
Sep 2, 9:57 AM EDTAreal Flood AdvisoryCHSChatham2 hr
Sep 2, 11:48 AM EDTAreal Flood AdvisoryCHSChatham3 hr
Sep 2, 2:40 PM EDTAreal Flood AdvisoryCHSChatham2 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.