Alert archive / Georgia / Flash Flood Warnings in 2014

Flash Flood Warning 8, NWS Atlanta, GA

June 16, 2014Fannin County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 16, 2014, 2:16 PM EDT for Fannin 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
Jun 16, 2014, 2:16 PM EDT (18:16 UTC)
Expired
Jun 16, 2014, 8:15 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

County Fannin County, GA

The radar

The Atlanta radar (KFFC), 150 km from the middle of the area, began a volume at 18:18 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, 6.3 hours before the alert went out and 148 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 2014-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 354 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 2014-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
354 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1257 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-14 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.

506 
WGUS52 KFFC 161816
FFWFFC
GAC111-170015-
/O.NEW.KFFC.FF.W.0008.140616T1816Z-140617T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
216 PM EDT MON JUN 16 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN FANNIN COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 815 PM EDT

* AT 206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARGRET

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS...STREAMS AND COUNTRY ROADS...AS WELL AS WOODLANDS ALONG THE 
BANKS OF CREEKS AND STREAMS. THE MAIN CREEKS IMPACTED ARE FRICK 
CREEK AND NOONTOOTLA CREEK.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

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 3467 8414 3462 8418 3462 8419 3463 8419
      3467 8425 3472 8425 3475 8427 3476 8414

$$
2 follow-up statements
706 
WGUS72 KFFC 161938
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
338 PM EDT MON JUN 16 2014

GAC111-170015-
/O.CON.KFFC.FF.W.0008.000000T0000Z-140617T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FANNIN GA-
338 PM EDT MON JUN 16 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHEASTERN FANNIN COUNTY...

AT 332 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THE 
HEAVY RAIN HAD MOVED OUT OF THE WARNED AREA...HOWEVER HEAVY RAIN 
FELL EARLIER THIS AFTERNOON.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARGRET

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM EARLIER HEAVY RAINFALL WILL CAUSE FLOODING OF 
SMALL CREEKS...STREAMS AND COUNTRY ROADS...AS WELL AS WOODLANDS 
ALONG THE BANKS OF CREEKS AND STREAMS. THE HEAVY RAIN FELL MAINLY ON 
THE UPPER REACHES OF THE NOONTOOTLA CREEK AND ITS TRIBUTARIES.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

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 3467 8414 3462 8418 3462 8419 3463 8419
      3467 8425 3472 8425 3475 8427 3476 8414

$$
846 
WGUS72 KFFC 162218
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
618 PM EDT MON JUN 16 2014

GAC111-162227-
/O.CAN.KFFC.FF.W.0008.000000T0000Z-140617T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FANNIN GA-
618 PM EDT MON JUN 16 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN FANNIN
COUNTY...

THE HEAVY RAIN IS LONG SINCE OVER AND THE CREEKS IN THE WARNED AREA 
ARE BELOW FLOOD LEVEL AND FALLING. 

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 3467 8414 3462 8418 3462 8419 3463 8419
      3467 8425 3472 8425 3475 8427 3476 8414

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 8:21 PM EDTSpecial Weather StatementFFCHenry24 min
Jun 16, 1:20 PM EDTSpecial Weather StatementFFCWhite25 min
Jun 16, 1:30 PM EDTSpecial Weather StatementFFCTowns30 min
Jun 16, 1:43 PM EDTSpecial Weather StatementFFCLumpkin62 min
Jun 16, 2:37 PM EDTSpecial Weather StatementFFCUnion38 min
Jun 16, 3:32 PM EDTSpecial Weather StatementFFCLaurens43 min
Jun 16, 4:58 PM EDTSpecial Weather StatementFFCPutnam47 min
Jun 16, 5:10 PM EDTSpecial Weather StatementFFCHouston50 min
Jun 16, 5:21 PM EDTSpecial Weather StatementFFCDooly39 min
Jun 16, 5:38 PM EDTSpecial Weather StatementFFCBibb52 min
Jun 16, 6:39 PM EDTSpecial Weather StatementFFCLumpkin36 min
Jun 16, 7:17 PM EDTSpecial Weather StatementFFCBanks28 min
Jun 16, 7:42 PM EDTSpecial Weather StatementFFCBanks63 min

Nearby

Flash Flood Warnings in Georgia, 2014Every 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.