Alert archive / Georgia / Flash Flood Warnings in 2012

Flash Flood Warning 36, NWS Tallahassee, FL

August 9, 2012Dougherty County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Aug 9, 2012, 2:37 PM EDT for Dougherty County, Georgia. It was in force for 83 min. 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: Aug 9, 2012, 2:37 PM EDT (18:37 UTC)
Expired: Aug 9, 2012, 4:00 PM EDT
In force: 83 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Flood severity: None

County Dougherty County, GA

What was reported inside it

Time	Report	Where	Remark
Aug 9, 3:05 PM EDT	FLASH FLOOD	Albany, GA	8 SEPARATE ROAD CLOSURES REPORTED AROUND ALBANY DUE TO FLOODING. FLOODING STILL ONGOING AT TIME OF REPORT.

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 12:00Z, 6.6 hours before the alert went out and 129 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: 2246 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 19 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.

871 
WGUS52 KTAE 091837
FFWTAE
GAC095-092000-
/O.NEW.KTAE.FF.W.0036.120809T1837Z-120809T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
237 PM EDT THU AUG 9 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DOUGHERTY COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 400 PM EDT

* AT 236 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED FLASH
  FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TURNER
  CITY...EAST ALBANY AND ALBANY

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.

REPORT FLOODING OR FLOOD DAMAGE TO THE NATIONAL WEATHER SERVICE IN 
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE 
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. 
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3164 8400 3163 8401 3162 8400 3148 8400
      3147 8399 3144 8400 3144 8443 3146 8442
      3152 8443 3162 8441 3162 8405 3164 8403

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 1:03 PM EDT	Special Weather Statement	TAE	Grady	42 min
Aug 9, 2:19 PM EDT	Special Weather Statement	TAE	Dougherty	41 min
Aug 9, 2:28 PM EDT	Areal Flood Advisory	TAE	Dougherty	3 hr
Aug 9, 2:35 PM EDT	Severe Thunderstorm Warning	TAE	Dougherty, Lee, Worth	40 min
Aug 9, 3:43 PM EDT	Special Weather Statement	TAE	Ben Hill, Irwin	57 min

Nearby

Flash Flood Warnings in Georgia, 2012 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.