Alert archive / Georgia / Flash Flood Warnings in 2012

Flash Flood Warning 11, NWS Tallahassee, FL

June 6, 2012Thomas County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Jun 6, 2012, 4:18 PM EDT for Thomas County, Georgia. It was in force for 3 hr. 2 reports 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
Jun 6, 2012, 4:18 PM EDT (20:18 UTC)
Expired
Jun 6, 2012, 7:15 PM EDT
In force
3 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

County Thomas County, GA

The radar

The Tallahassee radar (KTLH), 63 km from the middle of the area, began a volume at 20:22 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

TimeReportWhereRemark
Jun 6, 5:35 PM EDTFLASH FLOOD2 Ne Thomasville Munici, GADAYS INN AT THE INTERSECTION OF US19 AND US319 HAS BEEN FLOODED. HIGH WATER MARK ON FIRST FLOOR IS 2 FEET HIGH.
Jun 6, 6:25 PM EDTHEAVY RAIN 6.53 E Thomasville, GASUMMER HILL ROAD AREA OF THOMASVILLE. PUBLIC REPORT FORWARDED BY WCTV-TV.

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, 8.3 hours before the alert went out and 61 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 2012-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 643 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 2012-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
643 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

719 
WGUS52 KTAE 062018
FFWTAE
GAC275-062315-
/O.NEW.KTAE.FF.W.0011.120606T2018Z-120606T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
418 PM EDT WED JUN 6 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL THOMAS COUNTY IN SOUTH CENTRAL GEORGIA...

* UNTIL 715 PM EDT

* AT 405 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED FLASH
  FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER   
  THE TOWN OF THOMASVILLE AND SURROUNDING AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. 

&&

LAT...LON 3092 8401 3090 8392 3079 8391 3083 8403

$$

44-LERICOS
1 follow-up statement
703 
WGUS72 KTAE 062106
FFSTAE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
506 PM EDT WED JUN 6 2012

GAC275-062315-
/O.CON.KTAE.FF.W.0011.000000T0000Z-120606T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
THOMAS GA-
506 PM EDT WED JUN 6 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
CENTRAL THOMAS COUNTY...

AT 452 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS AND THE PUBLIC 
HAVE REPORTED FLASH FLOODING AT VARIOUS LOCATIONS AROUND THOMASVILLE. 
THESE REPORTS INCLUDE OVER A FOOT OF PONDING WATER ON ROADWAYS AND 
PARKING LOTS. FLOODED BASEMENTS HAVE ALSO BEEN REPORTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
MOVE TO HIGHER GROUND.

&&

LAT...LON 3092 8401 3090 8392 3079 8391 3083 8403

$$

44-LERICOS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 3:48 PM EDTAreal Flood AdvisoryTAEBrooks, Lowndes, Thomas3 hr
Jun 6, 5:16 PM EDTAreal Flood WarningTAEDecatur, Grady3 hr
Jun 6, 7:04 PM EDTAreal Flood WarningTAEDecatur, Seminole116 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.