Alert archive / Georgia / Flash Flood Warnings in 2015

Flash Flood Warning 9, NWS Atlanta, GA

June 2, 2015Murray County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 2, 2015, 5:46 PM EDT for Murray County, Georgia. It was in force for 3 hr. 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
Jun 2, 2015, 5:46 PM EDT (21:46 UTC)
Expired
Jun 2, 2015, 8:45 PM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

County Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 120 km from the middle of the area, began a volume at 21:49 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
Jun 2, 6:05 PM EDTFLASH FLOODChatsworth, GARADAR ESTIMATED 3-4 INCHES OF RAIN IN 60-90 MINUTES ACROSS CENTRAL MURRAY COUNTY. EMERGENCY MANAGEMENT REPORTED SEVERAL ROADS WITH HIGH WATER 6-8 INCHES DEEP.

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 12:00Z, 9.8 hours before the alert went out and 158 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 12:00Z on 2015-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 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 12:00Z on 2015-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 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
84 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
39 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.

414 
WGUS52 KFFC 022146
FFWFFC
GAC213-030045-
/O.NEW.KFFC.FF.W.0009.150602T2146Z-150603T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
546 PM EDT TUE JUN 2 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MURRAY COUNTY IN NORTHWESTERN GEORGIA...

* UNTIL 845 PM EDT
    
* AT 544 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN ACROSS CENTRAL MURRAY COUNTY. UP TO THREE INCHES OF 
  RAIN HAS ALREADY FALLEN...NEAR SPRING PLACE...JUST WEST OF 
  CHATSWORTH. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY IF NOT 
  ALREADY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DALTON...CHATSWORTH...ETON...CRANDALL...RAMHURST...FORT MOUNTAIN
  STATE PARK...CONASAUGA LAKE AND NORTH GEORGIA SPEEDWAY.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE ACROSS 
CENTRAL MURRAY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR WARNING AT
NWSATLANTA.

&&

LAT...LON 3478 8463 3473 8466 3465 8465 3466 8488
      3471 8488 3471 8487 3473 8487 3474 8485
      3479 8487 3480 8484 3481 8486 3486 8484
      3487 8482 3488 8482 3488 8462

$$

DJN
2 follow-up statements
309 
WGUS72 KFFC 022251
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
651 PM EDT TUE JUN 2 2015

GAC213-030045-
/O.CON.KFFC.FF.W.0009.000000T0000Z-150603T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MURRAY GA-
651 PM EDT TUE JUN 2 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
CENTRAL MURRAY COUNTY...

AT 647 PM EDT...HEAVY RAIN HAS DIMINISHED ACROSS CENTRAL MURRAY 
COUNTY. HOWEVER...HIGH WATER AND RUNOFF FROM NEARLY 4 INCHES OF RAIN 
WILL CONTINUE TO CREATE LOCALIZED FLASH FLOODING. 

JUST AFTER 6 PM...MURRAY COUNTY EMERGENCY MANAGEMENT REPORTED HIGH 
WATER AROUND THE CHATSWORTH COMMUNITY...NEAR THE INTERSECTION OF 
HIGHWAY 76 AND COCHRAN ROAD. ADDITIONAL ROADS THAT WERE FLOODED 
INCLUDED TREADWELL ROAD AND LEONARD BRIDGE ROAD. DEPTH OF WATER WAS 
UNKNOWN...AND FLOODING IS LIKELY STILL OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DALTON...CHATSWORTH...ETON...CRANDALL...RAMHURST...FORT MOUNTAIN
STATE PARK...CONASAUGA LAKE AND NORTH GEORGIA SPEEDWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD 
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT
NWSATLANTA.

&&

LAT...LON 3478 8463 3473 8466 3465 8465 3466 8488
      3471 8488 3471 8487 3473 8487 3474 8485
      3479 8487 3480 8484 3481 8486 3486 8484
      3487 8482 3488 8482 3488 8462

$$

DJN
020 
WGUS72 KFFC 022354
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
754 PM EDT TUE JUN 2 2015

GAC213-030003-
/O.CAN.KFFC.FF.W.0009.000000T0000Z-150603T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MURRAY GA-
754 PM EDT TUE JUN 2 2015

...THE FLASH FLOOD WARNING FOR CENTRAL MURRAY COUNTY IS CANCELLED...

HEAVY RAIN HAS ENDED. FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER 
EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO 
HEED ANY ROAD CLOSURES.

LAT...LON 3478 8463 3473 8466 3465 8465 3466 8488
      3471 8488 3471 8487 3473 8487 3474 8485
      3479 8487 3480 8484 3481 8486 3486 8484
      3487 8482 3488 8482 3488 8462

$$

DJN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 9:12 PM EDTSpecial Weather StatementFFCHaralson33 min
Jun 2, 1:37 AM EDTSpecial Weather StatementFFCCherokee, Forsyth53 min
Jun 2, 2:17 AM EDTSpecial Weather StatementFFCDawson, Lumpkin43 min
Jun 2, 3:11 AM EDTSpecial Weather StatementFFCBanks, Hall, Lumpkin, Towns, Union, White49 min
Jun 2, 2:37 PM EDTSpecial Weather StatementFFCWilkes23 min
Jun 2, 3:26 PM EDTSpecial Weather StatementFFCWilkes34 min
Jun 2, 4:12 PM EDTSpecial Weather StatementFFCPulaski33 min
Jun 2, 4:29 PM EDTSpecial Weather StatementFFCMurray31 min
Jun 2, 5:01 PM EDTSevere Thunderstorm WarningFFCMurray29 min
Jun 2, 5:37 PM EDTSpecial Weather StatementFFCMurray38 min
Jun 2, 6:27 PM EDTSpecial Weather StatementFFCWhitfield33 min
Jun 2, 6:40 PM EDTSpecial Weather StatementFFCTwiggs, Wilkinson35 min
Jun 2, 7:32 PM EDTSpecial Weather StatementFFCWilkinson28 min
Jun 2, 7:43 PM EDTSpecial Weather StatementFFCFloyd32 min
Jun 2, 7:45 PM EDTSpecial Weather StatementFFCCherokee30 min

Nearby

Flash Flood Warnings in Georgia, 2015Every flash flood warning in 2015

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.