Alert archive / Georgia / Flash Flood Warnings in 2015

Flash Flood Warning 2, NWS Atlanta, GA

January 4, 2015Floyd County, Haralson County, Polk County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jan 4, 2015, 1:42 AM EST for Floyd County, Haralson County, Polk County, Georgia. It was in force for 6 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: Jan 4, 2015, 1:42 AM EST (06:42 UTC)
Expired: Jan 4, 2015, 7:45 AM EST
In force: 6 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Floyd County, GA, Haralson County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 87 km from the middle of the area, began a volume at 06:43 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

Time	Report	Where	Remark
Jan 4, 6:25 AM EST	FLASH FLOOD	1 Wsw Rockmart, GA	THE STAGE HEIGHT ON A USGS GAGE ON EUHARLEE CREEK AT US HWY 278 OR WEST ELM STREET IN ROCKMART REACHED FLOOD STAGE OF 9 FEET. THE CREEK IS CONTINUING TO RISE SLOWLY. MINOR FLOODING IS OCCURING ON PORTIONS OF THE WAYSIDE PARK. SECTIONS OF THE SIDEWALK ALONG WAT

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, 6.7 hours before the alert went out and 90 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: 8 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 456 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 247 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.

836 
WGUS52 KFFC 040642
FFWFFC
GAC115-143-233-041245-
/O.NEW.KFFC.FF.W.0002.150104T0642Z-150104T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
142 AM EST SUN JAN 4 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HARALSON COUNTY IN NORTHWESTERN GEORGIA...
  POLK COUNTY IN NORTHWESTERN GEORGIA...
  SOUTHEASTERN FLOYD COUNTY IN NORTHWESTERN GEORGIA...

* UNTIL 745 AM EST SUNDAY

* AT 140 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN
THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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 3430 8503 3426 8502 3425 8501 3425 8502
      3421 8502 3421 8505 3408 8505 3408 8503
      3395 8503 3395 8505 3390 8505 3390 8504
      3372 8505 3369 8512 3370 8514 3365 8529
      3365 8534 3408 8542

$$
16

2 follow-up statements

970 
WGUS72 KFFC 040759
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
259 AM EST SUN JAN 4 2015

GAC115-143-233-041245-
/O.CON.KFFC.FF.W.0002.000000T0000Z-150104T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARALSON GA-POLK GA-FLOYD GA-
259 AM EST SUN JAN 4 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM EST SUNDAY
FOR HARALSON...POLK AND SOUTHEASTERN FLOYD COUNTIES...

AT 251 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING WILL BE POSSIBLE.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN
THE WARNED AREA WITHIN THE NEXT FEW HOURS.

THE BIG CEDAR CREEK IN CEDARTOWN AND THE EUHARLEE CREEK IN ROCKMART
ARE RISING AND WILL LIKELY REACH BANKFULL CONDITIONS LATER THIS
MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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 3430 8503 3426 8502 3425 8501 3425 8502
      3421 8502 3421 8505 3408 8505 3408 8503
      3395 8503 3395 8505 3390 8505 3390 8504
      3372 8505 3369 8512 3370 8514 3365 8529
      3365 8534 3408 8542

$$
16

298 
WGUS72 KFFC 041042
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
542 AM EST SUN JAN 4 2015

GAC115-143-233-041245-
/O.CON.KFFC.FF.W.0002.000000T0000Z-150104T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARALSON GA-POLK GA-FLOYD GA-
542 AM EST SUN JAN 4 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM EST SUNDAY
FOR HARALSON...POLK AND SOUTHEASTERN FLOYD COUNTIES...

AT 539 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS POSSIBLE ON NUMEROUS CREEKS SUCH
AS THE BIG CEDAR CREEK IN CEDARTOWN AND THE EUHARLEE CREEK AT
ROCKMART.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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 3430 8503 3426 8502 3425 8501 3425 8502
      3421 8502 3421 8505 3408 8505 3408 8503
      3395 8503 3395 8505 3390 8505 3390 8504
      3372 8505 3369 8512 3370 8514 3365 8529
      3365 8534 3408 8542

$$
16

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 3, 7:06 PM EST	Special Weather Statement	FFC	Haralson, Polk	39 min
Jan 3, 7:24 PM EST	Special Weather Statement	FFC	Polk	21 min
Jan 3, 7:38 PM EST	Special Weather Statement	FFC	Bartow, Paulding	37 min
Jan 3, 8:49 PM EST	Special Weather Statement	FFC	Gilmer, Union	26 min
Jan 3, 9:24 PM EST	Special Weather Statement	FFC	Chattooga, Dade, Walker	36 min
Jan 3, 9:41 PM EST	Special Weather Statement	FFC	Floyd, Polk	49 min
Jan 3, 9:55 PM EST	Special Weather Statement	FFC	Catoosa, Whitfield	35 min
Jan 3, 10:08 PM EST	Special Weather Statement	FFC	Bartow, Polk	22 min
Jan 3, 10:26 PM EST	Special Weather Statement	FFC	Haralson, Paulding	34 min
Jan 3, 10:48 PM EST	Special Weather Statement	FFC	Douglas, Fulton	27 min
Jan 3, 10:50 PM EST	Special Weather Statement	FFC	Bartow, Cherokee	25 min
Jan 4, 1:15 AM EST	Flash Flood Warning	FFC	Cobb, Paulding	6 hr
Jan 4, 2:32 AM EST	Flash Flood Watch	FFC	Banks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 26 more	10 hr
Jan 4, 3:08 AM EST	Special Weather Statement	FFC	Haralson, Paulding, Polk	37 min
Jan 4, 3:32 AM EST	Special Weather Statement	FFC	Haralson, Paulding	28 min
Jan 4, 3:40 AM EST	River Flood Warning	FFC	Forsyth	22 hr
Jan 4, 4:00 AM EST	Special Weather Statement	FFC	Haralson	30 min
Jan 4, 4:26 AM EST	Special Weather Statement	FFC	Carroll, Paulding	34 min
Jan 4, 4:45 AM EST	Special Weather Statement	FFC	Cobb	30 min
Jan 4, 5:04 AM EST	Flash Flood Warning	FFC	Cherokee, Cobb, Forsyth, Fulton	6 hr
Jan 4, 5:10 AM EST	Special Weather Statement	FFC	DeKalb, Forsyth, Fulton	35 min
Jan 4, 5:11 AM EST	Special Weather Statement	FFC	Coweta, Fayette, Troup	34 min
Jan 4, 5:37 AM EST	Special Weather Statement	FFC	Gwinnett	23 min
Jan 4, 5:40 AM EST	Special Weather Statement	FFC	Clayton, Fayette, Henry, Meriwether, Pike, Spalding	35 min
Jan 4, 5:53 AM EST	River Flood Warning	FFC	Polk	10 hr
Jan 4, 5:53 AM EST	River Flood Warning	FFC	Forsyth, Fulton	46 hr
Jan 4, 6:00 AM EST	Special Weather Statement	FFC	Barrow, Jackson	30 min
Jan 4, 6:10 AM EST	Special Weather Statement	FFC	Henry, Newton, Pike, Spalding	35 min
Jan 4, 6:30 AM EST	Special Weather Statement	FFC	Muscogee	30 min
Jan 4, 6:40 AM EST	Special Weather Statement	FFC	Butts, Spalding	35 min
Jan 4, 6:42 AM EST	Special Weather Statement	FFC	Madison	33 min
Jan 4, 6:59 AM EST	Special Weather Statement	FFC	Chattahoochee, Marion, Talbot	31 min
Jan 4, 7:21 AM EST	Flash Flood Warning	FFC	DeKalb	4 hr
Jan 4, 7:23 AM EST	River Flood Warning	FFC	Dawson, Forsyth	14 hr
Jan 4, 7:31 AM EST	Special Weather Statement	FFC	Upson	29 min
Jan 4, 8:18 AM EST	Special Weather Statement	FFC	Bibb	27 min
Jan 4, 8:23 AM EST	Severe Thunderstorm Warning	FFC	Bibb, Jones, Monroe	24 min
Jan 4, 9:12 AM EST	River Flood Warning	FFC	Polk	7 hr
Jan 4, 9:39 AM EST	River Flood Warning	FFC	Cherokee	7 days
Jan 4, 10:34 AM EST	River Flood Warning	FFC	Haralson	7 days
Jan 4, 10:50 AM EST	River Flood Warning	FFC	Cherokee, Cobb	7 days
Jan 4, 10:50 AM EST	River Flood Warning	FFC	Cherokee	7 days
Jan 4, 11:07 AM EST	Special Weather Statement	FFC	Dooly	23 min
Jan 4, 11:37 AM EST	Severe Thunderstorm Warning	FFC	Dodge, Pulaski	23 min
Jan 4, 12:01 PM EST	Special Weather Statement	FFC	Laurens	29 min
Jan 4, 12:02 PM EST	River Flood Warning	FFC	Gwinnett, Walton	6 hr
Jan 4, 12:31 PM EST	River Flood Warning	FFC	Cobb	7 days
Jan 4, 12:31 PM EST	Special Weather Statement	FFC	Treutlen	29 min
Jan 4, 12:38 PM EST	Tornado Warning	FFC	Emanuel, Laurens, Treutlen	37 min
Jan 4, 12:52 PM EST	River Flood Warning	FFC	Floyd, Polk	7 days
Jan 4, 1:06 PM EST	Tornado Warning	FFC	Emanuel	24 min
Jan 4, 1:38 PM EST	River Flood Warning	FFC	Cherokee	19 hr
Jan 4, 3:39 PM EST	River Flood Warning	FFC	Whitfield	10 hr

Nearby

Flash Flood Warnings in Georgia, 2015 Every 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.