Alert archive / Georgia / Flash Flood Warnings in 2007

Flash Flood Warning 5, NWS Atlanta, GA

September 14, 2007Murray County, Whitfield County, Georgia

NWS Atlanta, GA issued this flash flood warning at Sep 14, 2007, 6:18 AM EDT for Murray County, Whitfield County, Georgia. It was in force for 3 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 14, 2007, 6:18 AM EDT (10:18 UTC)
Expired
Sep 14, 2007, 9:15 AM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Murray County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 113 km from the middle of the area, began a volume at 10:21 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

TimeReportWhereRemark
Sep 14, 6:18 AM EDTFLASH FLOOD1 N Dalton, GAWARING RD OFF HWY 71 AND WILLOWDALE RD OFF HWY 41 CLOSED DUE TO PONDING OF WATER OVER ROADWAY.
Sep 14, 6:18 AM EDTFLASH FLOOD4 Nnw Eton, GAWATER OVER HIGHWAY 225N NEAR NORTHWEST ELEMENTARY SCHOOL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 10.3 hours before the alert went out and 162 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, Peachtre/Fal Fld, GA at 00:00Z on 2007-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 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, Peachtre/Fal Fld, GA at 00:00Z on 2007-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
255 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 141019
FFWFFC
GAC213-313-141315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
618 AM EDT FRI SEP 14 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MURRAY COUNTY IN NORTHWEST GEORGIA
  WHITFIELD COUNTY IN NORTHWEST GEORGIA

* UNTIL 915 AM EDT

* AT 618 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM HEAVY RAIN OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO            
  SUMAC...DAWNVILLE...ETON...CRANDALL AND GREGORY.

RAINFALL AMOUNTS OF 2 TO 3 INCHES HAVE OCCURRED OVER THE PAST COUPLE 
OF HOURS ACROSS THE WARNED ARE AND AN ADDITIONAL 1 TO 2 INCHES ARE 
POSSIBLE OVER THE NEXT FEW HOURS. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3499 8489 3499 8462 3479 8470 3480 8503
TIME...MOT...LOC 1014Z 180DEG 0KT 3488 8480

$$
1 follow-up statement
000 
WGUS72 KFFC 141319
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
918 AM EDT FRI SEP 14 2007

GAC213-313-141330-
WHITFIELD GA-MURRAY GA-
918 AM EDT FRI SEP 14 2007

...THE FLASH FLOOD WARNING HAS EXPIRED AT 915 AM EDT FOR MURRAY AND 
WHITFIELD COUNTIES...

RAINFALL HAS TAPERED OFF IN THE WARNED AREA AND THE THREAT FOR FLASH 
FLOODING HAS ENDED. STREAMS AND CREEKS WILL REMAIN AT HIGH LEVELS 
FOR THE NEXT FEW HOURS BEFORE RECEDING LATER THIS MORNING. 

DO NOT ALLOW CHILDREN TO PLAY NEAR RUNNING WATER.

IF YOU SAW SIGNIFICANT FLOODING PLEASE CALL THE NATIONAL WEATHER 
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3499 8489 3499 8462 3479 8470 3480 8503
TIME...MOT...LOC 1311Z 180DEG 0KT 3488 8480

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 7:12 AM EDTFlash Flood WarningFFCFannin3 hr
Sep 14, 1:46 PM EDTTornado WarningFFCWalker29 min
Sep 14, 2:33 PM EDTTornado WarningFFCMurray27 min
Sep 14, 3:41 PM EDTTornado WarningFFCDouglas12 min
Sep 14, 4:20 PM EDTSevere Thunderstorm WarningFFCBanks, Jackson25 min
Sep 14, 4:51 PM EDTSevere Thunderstorm WarningFFCTaliaferro, Wilkes24 min
Sep 14, 5:08 PM EDTSevere Thunderstorm WarningFFCHenry, Rockdale37 min
Sep 14, 5:24 PM EDTSevere Thunderstorm WarningFFCNewton36 min
Sep 14, 5:29 PM EDTSevere Thunderstorm WarningFFCPike, Upson46 min
Sep 14, 6:26 PM EDTSevere Thunderstorm WarningFFCGreene, Morgan34 min

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.