Alert archive / Georgia / Flash Flood Warnings in 2014

Flash Flood Warning 47, NWS Tallahassee, FL

December 23, 2014Brooks County, Thomas County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Dec 23, 2014, 8:17 PM EST for Brooks County, Thomas County, Georgia. It was in force for 5 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: Dec 23, 2014, 8:17 PM EST (01:17 UTC)
Expired: Dec 24, 2014, 1:15 AM EST
In force: 5 hr
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Flood severity: None

Counties Brooks County, GA, Thomas County, GA

The radar

The Moody AFB radar (KVAX), 51 km from the middle of the area, began a volume at 01:19 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
Dec 23, 9:00 PM EST	FLASH FLOOD	Quitman, GA	ROAD DEPARTMENT HAS PLACED SIGNS ON SOME ROADS THAT HAVE WATER RUNNING ACROSS THEM IN THE COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.3 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 509 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 547 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

639 
WGUS52 KTAE 240117
FFWTAE
GAC027-275-240615-
/O.NEW.KTAE.FF.W.0047.141224T0117Z-141224T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
817 PM EST TUE DEC 23 2014

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BROOKS COUNTY IN SOUTH CENTRAL GEORGIA...
  THIS INCLUDES THE CITY OF QUITMAN...
  SOUTHEASTERN THOMAS COUNTY IN SOUTH CENTRAL GEORGIA...

* UNTIL 115 AM EST

* AT 813 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SLOW MOVING AREA OF MODERATE TO HEAVY RAIN ACROSS EASTERN THOMAS AND 
BROOKS COUNTIES IN SOUTH CENTRAL GEORGIA. WITH ALREADY HEAVY 
RAINFALL OCCURRING EARLIER TODAY...RAINFALL THIS EVENING WILL 
INCREASE THE THREAT FOR FLASH FLOODING. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO            
  PAVO...QUITMAN AND BOSTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE AWAY FROM RISING WATER TO HIGHER GROUND! MOST FLOOD DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADS.
REMEMBER...TURN AROUND...DON'T DROWN.

&&

LAT...LON 3067 8394 3104 8373 3104 8358 3107 8357
      3105 8355 3105 8350 3096 8343 3091 8344
      3088 8337 3085 8335 3082 8345 3077 8345
      3075 8349 3068 8343 3064 8337 3064 8332

$$

38-GODSEY

1 follow-up statement

272 
WGUS72 KTAE 240354
FFSTAE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1054 PM EST TUE DEC 23 2014

GAC027-275-240359-
/O.CAN.KTAE.FF.W.0047.000000T0000Z-141224T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
THOMAS GA-BROOKS GA-
1054 PM EST TUE DEC 23 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR BROOKS AND 
SOUTHEASTERN THOMAS COUNTIES IN SOUTHWEST GEORGIA...

THE EARLIER HEAVY RAINFALL WHICH PROMPTED THE FLASH FLOOD WARNING 
FOR BROOKS AND THOMAS COUNTIES HAS DISSIPATED AND NO ADDITIONAL 
FLOODING IS OCCURRING.

 

LAT...LON 3067 8394 3104 8373 3104 8358 3107 8357
      3105 8355 3105 8350 3096 8343 3091 8344
      3088 8337 3085 8335 3082 8345 3077 8345
      3075 8349 3068 8343 3064 8337 3064 8332

$$

17-GOULD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 23, 8:37 PM EST	River Flood Advisory	TAE	Grady, Thomas	36 hr
Dec 23, 9:32 PM EST	River Flood Warning	TAE	Brooks, Lowndes	6 days
Dec 24, 1:50 AM EST	Flash Flood Warning	TAE	Clay, Early	3 hr
Dec 24, 2:51 AM EST	Tornado Warning	TAE	Baker, Early, Miller, Seminole	4 min
Dec 24, 3:12 AM EST	Tornado Warning	TAE	Baker, Calhoun, Clay, Early, Miller, Randolph	33 min
Dec 24, 4:04 AM EST	Severe Thunderstorm Warning	TAE	Baker, Dougherty, Lee, Mitchell, Terrell, Worth	41 min
Dec 24, 4:43 AM EST	Flash Flood Warning	TAE	Early	3 hr
Dec 24, 5:11 AM EST	Severe Thunderstorm Warning	TAE	Baker, Dougherty, Lee, Terrell, Worth	49 min
Dec 24, 6:02 AM EST	Wind Advisory	TAE	Ben Hill, Berrien, Brooks, Colquitt, Cook, Decatur and 11 more	4 hr
Dec 24, 6:59 AM EST	Flash Flood Warning	TAE	Decatur, Seminole	3 hr
Dec 24, 7:09 AM EST	Tornado Warning	TAE	Colquitt, Dougherty, Mitchell, Worth	36 min
Dec 24, 8:15 AM EST	Flash Flood Warning	TAE	Decatur, Grady	3 hr
Dec 24, 9:35 AM EST	Flash Flood Warning	TAE	Berrien, Brooks, Colquitt, Cook, Irwin, Tift	115 min
Dec 24, 10:10 AM EST	Severe Thunderstorm Warning	TAE	Brooks, Lowndes, Thomas	34 min
Dec 24, 10:50 AM EST	River Flood Warning	TAE	Lee	5 days
Dec 24, 11:02 AM EST	Severe Thunderstorm Warning	TAE	Lanier, Lowndes	28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.