Alert archive / Georgia / Flash Flood Warnings in 2013

Flash Flood Warning 24, NWS Atlanta, GA

June 7, 2013Murray County, Whitfield County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 7, 2013, 4:42 PM EDT for Murray County, Whitfield 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: Jun 7, 2013, 4:42 PM EDT (20:42 UTC)
Expired: Jun 7, 2013, 7:45 PM EDT
In force: 3 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Murray County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 121 km from the middle of the area, began a volume at 20:45 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 173 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 560 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 483 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 83 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.

528 
WGUS52 KFFC 072042
FFWFFC
GAC213-313-072345-
/O.NEW.KFFC.FF.W.0024.130607T2042Z-130607T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
442 PM EDT FRI JUN 7 2013

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 745 PM EDT

* AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. RADAR 
ESTIMATES THAT ONE AND A HALF TO TWO INCHES OF RAIN HAS FALLEN.

* LOCATIONS IN THE WARNING INCLUDE BEAVERDALE...SUMAC AND ETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE IN THE 
WARNED AREA.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

&&

LAT...LON 3499 8463 3479 8470 3480 8494 3499 8489

$$

1 follow-up statement

764 
WGUS72 KFFC 072220
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
620 PM EDT FRI JUN 7 2013

GAC213-313-072345-
/O.CON.KFFC.FF.W.0024.000000T0000Z-130607T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WHITFIELD GA-MURRAY GA-
620 PM EDT FRI JUN 7 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
NORTHERN MURRAY AND NORTHEASTERN WHITFIELD COUNTIES...

AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA. RAINFALL 
AMOUNTS OF 2 TO 3 INCHES HAVE FALLEN AND ANOTHER HALF AN INCH IS 
POSSIBLE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CISCO...GREGORY...TENNGA AND BEAVERDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

&&

LAT...LON 3499 8463 3479 8470 3480 8494 3499 8489

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 12:51 AM EDT	Special Weather Statement	FFC	Emanuel	84 min
Jun 7, 2:01 AM EDT	Special Weather Statement	FFC	Glascock, Jefferson, Johnson, Warren, Washington	119 min
Jun 7, 2:17 AM EDT	Special Weather Statement	FFC	Glascock, Jefferson, Johnson, Warren, Washington	103 min
Jun 7, 3:09 AM EDT	Flash Flood Warning	FFC	Johnson	6 hr
Jun 7, 3:17 AM EDT	Flash Flood Warning	FFC	Washington	6 hr
Jun 7, 3:57 AM EDT	Special Weather Statement	FFC	Glascock, Hancock, Jefferson, Taliaferro, Warren	2 hr
Jun 7, 4:08 AM EDT	Flash Flood Warning	FFC	Glascock, Jefferson, Warren	6 hr
Jun 7, 3:21 PM EDT	Special Weather Statement	FFC	Floyd	39 min
Jun 7, 3:37 PM EDT	Special Weather Statement	FFC	Bartow	23 min
Jun 7, 3:55 PM EDT	Special Weather Statement	FFC	Morgan, Newton	50 min
Jun 7, 4:02 PM EDT	Special Weather Statement	FFC	Bartow, Gordon	28 min
Jun 7, 4:27 PM EDT	Special Weather Statement	FFC	Murray	33 min
Jun 7, 4:35 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Fulton	40 min
Jun 7, 5:20 PM EDT	Special Weather Statement	FFC	DeKalb, Gwinnett	25 min
Jun 7, 5:31 PM EDT	Special Weather Statement	FFC	Clayton	29 min
Jun 7, 5:51 PM EDT	Special Weather Statement	FFC	Barrow, Walton	24 min
Jun 7, 5:55 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee, Talbot	50 min
Jun 7, 6:35 PM EDT	Special Weather Statement	FFC	Dodge	25 min
Jun 7, 6:49 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Laurens	26 min
Jun 7, 6:53 PM EDT	Special Weather Statement	FFC	Jasper, Putnam	37 min
Jun 7, 7:17 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Laurens	43 min

Nearby

Flash Flood Warnings in Georgia, 2013 Every flash flood warning in 2013

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.