Alert archive / Georgia / Flash Flood Warnings in 2014

Flash Flood Warning 16, NWS Atlanta, GA

July 10, 2014Floyd County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 10, 2014, 10:15 PM EDT for Floyd County, Georgia. It was in force for 6 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: Jul 10, 2014, 10:15 PM EDT (02:15 UTC)
Expired: Jul 11, 2014, 4:15 AM EDT
In force: 6 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

County Floyd County, GA

The radar

The Atlanta radar (KFFC), 104 km from the middle of the area, began a volume at 02:14 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 00:00Z, 2.3 hours before the alert went out and 107 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: 908 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1127 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

712 
WGUS52 KFFC 110215
FFWFFC
GAC115-110815-
/O.NEW.KFFC.FF.W.0016.140711T0215Z-140711T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1015 PM EDT THU JUL 10 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN FLOYD COUNTY IN NORTHWEST GEORGIA

* UNTIL 415 AM EDT FRIDAY

* AT 1003 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  POTENTIAL FLASH FLOODING FROM TRAINING THUNDERSTORMS WITH HEAVY    
  RAIN OVER THE WARNED AREA. RAINFALL AMOUNTS AROUND 3 INCHES HAVE
  OCCURRED IN THE SIX MILE AND LINDALE AREAS OF SOUTH FLOYD COUNTY
  SINCE 800 PM EDT. AN ADDITIONAL INCH OF RAIN WILL BE POSSIBLE      
  BEFORE THE THUNDERSTORMS GRADUALLY MOVE SOUTHEAST OR DISSIPATE BY  
  MIDNIGHT.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROME...
  LINDALE AND CAVE SPRING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3428 8537 3427 8503 3422 8503 3421 8505
      3410 8504 3409 8512 3408 8512 3408 8516
      3410 8516 3410 8525 3408 8526 3408 8533

$$


16

2 follow-up statements

206 
WGUS72 KFFC 110342
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1142 PM EDT THU JUL 10 2014

GAC115-110815-
/O.CON.KFFC.FF.W.0016.000000T0000Z-140711T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FLOYD GA-
1142 PM EDT THU JUL 10 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 AM EDT FOR
SOUTHERN FLOYD COUNTY...

AT 1127 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
THE THUNDERSTORMS WITH HEAVY RAIN OVER THE WARNED AREA HAD MOVED 
SOUTHEAST INTO PORTIONS OF BARTOW AND POLK COUNTIES AND DISSIPATED. 

ESTIMATED STORM TOTAL RAINFALL AMOUNTS OF 3 TO 4 INCHES OCCURRED
IN AN AREA FROM RADIO SPRINGS TO SILVER CREEK JUST SOUTHWEST OF 
ROME. THE FLOYD COUNTY EMERGENCY MANAGER INDICATED THERE WERE
AREAS OF ROAD PONDING ON HIGHWAYS OR TEMPORARY STREET FLOODING IN 
THE HEAVY RAIN LOCATIONS. SEVERAL CREEKS SUCH AS BEECH CREEK... 
SILVER CREEK AND OTHER STREAMS FOLLOWING INTO THE COOSA RIVER WERE 
HAVING SIGNIFICANT RISES. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROME...
LINDALE AND CAVE SPRING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 3428 8537 3427 8503 3422 8503 3421 8505
      3410 8504 3409 8512 3408 8512 3408 8516
      3410 8516 3410 8525 3408 8526 3408 8533

$$


16

143 
WGUS72 KFFC 110502
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
102 AM EDT FRI JUL 11 2014

GAC115-110511-
/O.CAN.KFFC.FF.W.0016.000000T0000Z-140711T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FLOYD GA-
102 AM EDT FRI JUL 11 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN FLOYD
COUNTY...

RUNOFF FROM PREVIOUS HEAVY RAIN HAS DIMINISHED AND CREEKS AND RIVERS 
ARE NO LONGER EXPECTED OUT OF THEIR BANKS. 

IF YOU SAW 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 3428 8537 3427 8503 3422 8503 3421 8505
      3410 8504 3409 8512 3408 8512 3408 8516
      3410 8516 3410 8525 3408 8526 3408 8533

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 9:06 PM EDT	Special Weather Statement	FFC	Floyd	39 min
Jul 10, 9:57 PM EDT	Special Weather Statement	FFC	Floyd	63 min
Jul 10, 10:33 PM EDT	Special Weather Statement	FFC	Heard	42 min
Jul 10, 11:04 PM EDT	Special Weather Statement	FFC	White	41 min
Jul 11, 12:00 AM EDT	Special Weather Statement	FFC	Lumpkin	30 min
Jul 11, 2:47 PM EDT	Special Weather Statement	FFC	Clayton, Fayette	28 min
Jul 11, 2:52 PM EDT	Special Weather Statement	FFC	Meriwether, Troup	38 min
Jul 11, 3:25 PM EDT	Special Weather Statement	FFC	Fayette, Spalding	35 min
Jul 11, 3:28 PM EDT	Special Weather Statement	FFC	Carroll, Douglas	32 min
Jul 11, 4:05 PM EDT	Special Weather Statement	FFC	Douglas	25 min
Jul 11, 4:30 PM EDT	Special Weather Statement	FFC	Cobb, Douglas, Fulton, Paulding	30 min
Jul 11, 4:51 PM EDT	Special Weather Statement	FFC	Cherokee	24 min
Jul 11, 5:02 PM EDT	Special Weather Statement	FFC	Cobb, Douglas, Fulton, Paulding	28 min
Jul 11, 5:32 PM EDT	Special Weather Statement	FFC	Cobb	28 min
Jul 11, 6:01 PM EDT	Special Weather Statement	FFC	Cherokee	29 min
Jul 11, 6:23 PM EDT	Special Weather Statement	FFC	Laurens, Treutlen, Wheeler	37 min
Jul 11, 6:39 PM EDT	Flash Flood Warning	FFC	Forsyth, Fulton, Gwinnett	6 hr
Jul 11, 7:30 PM EDT	Special Weather Statement	FFC	Barrow	30 min

Nearby

Flash Flood Warnings in Georgia, 2014 Every flash flood warning in 2014

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.