Alert archive / Georgia / Flash Flood Warnings in 2012

Flash Flood Warning 35, NWS Tallahassee, FL

August 8, 2012Berrien County, Irwin County, Tift County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Aug 8, 2012, 8:18 AM EDT for Berrien County, Irwin County, Tift County, Georgia. It was in force for 87 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 8, 2012, 8:18 AM EDT (12:18 UTC)
Expired
Aug 8, 2012, 9:45 AM EDT
In force
87 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Berrien County, GA, Irwin County, GA, Tift County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 0.3 hours before the alert went out and 150 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, Tallahassee Rgnl, FL at 12:00Z on 2012-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2519 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, Tallahassee Rgnl, FL at 12:00Z on 2012-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
2519 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
48 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.

853 
WGUS52 KTAE 081218
FFWTAE
GAC019-155-277-081345-
/O.NEW.KTAE.FF.W.0035.120808T1218Z-120808T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
818 AM EDT WED AUG 8 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN BERRIEN COUNTY IN SOUTH CENTRAL GEORGIA...
  SOUTHWESTERN IRWIN COUNTY IN SOUTH CENTRAL GEORGIA...
  EASTERN TIFT COUNTY IN SOUTH CENTRAL GEORGIA...

* UNTIL 945 AM EDT

* ALTHOUGH THE HEAVY RAIN HAS ENDED...LAW ENFORCEMENT REPORTS THAT   
  WATER IS STILL OVER ROADWAYS...AND PEOPLE ARE STILL BEING          
  EVACUATED FROM HOMES SURROUNDED BY WATER. THIS WILL LIKELY         
  CONTINUE FOR THE NEXT HOUR OR SO UNTIL FLOOD WATERS SUBSIDE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNIONVILLE
  AND TIFTON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DON'T DROWN.

&&

LAT...LON 3159 8353 3159 8321 3150 8314 3138 8319
      3133 8335 3141 8356

$$

15-HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 2:42 AM EDTAreal Flood AdvisoryTAEBerrien, Irwin, Tift3 hr
Aug 8, 3:09 AM EDTFlash Flood WatchTAEBen Hill, Berrien, Irwin, Tift, Turner17 hr
Aug 8, 3:42 AM EDTFlash Flood WarningTAEBerrien, Irwin, Tift2 hr
Aug 8, 5:54 AM EDTFlash Flood WarningTAEBerrien, Irwin, Tift2 hr
Aug 8, 10:40 AM EDTAreal Flood WarningTAEBerrien, Cook, Irwin, Tift6 hr
Aug 8, 12:26 PM EDTRiver Flood WatchTAEBerrien, Lowndes20 hr
Aug 8, 1:04 PM EDTSpecial Weather StatementTAEMiller26 min
Aug 8, 3:47 PM EDTSpecial Weather StatementTAELanier43 min
Aug 8, 3:58 PM EDTAreal Flood WarningTAEBerrien, Irwin, Tift6 hr

Nearby

Flash Flood Warnings in Georgia, 2012Every flash flood warning in 2012

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.