Alert archive / Georgia / Flash Flood Warnings in 2014

Flash Flood Warning 36, NWS Tallahassee, FL

September 7, 2014Brooks County, Lowndes County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Sep 7, 2014, 3:01 PM EDT for Brooks County, Lowndes County, Georgia. It was in force for 59 min. 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
Sep 7, 2014, 3:01 PM EDT (19:01 UTC)
Expired
Sep 7, 2014, 4:00 PM EDT
In force
59 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Brooks County, GA, Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 42 km from the middle of the area, began a volume at 19:03 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
Sep 7, 3:26 PM EDTFLASH FLOODValdosta, GAFLOODING NEAR DOWNTOWN VALDOSTA WITH SOME VEHICLES STALLED IN WATER.
Sep 7, 3:27 PM EDTFLASH FLOOD3 E Quitman, GANUMEROUS REPORTS OF FLOODED ROADWAYS ACROSS 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 12:00Z, 7.0 hours before the alert went out and 95 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 2014-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1187 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 2014-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1187 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
63 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.

169 
WGUS52 KTAE 071901
FFWTAE
GAC027-185-072000-
/O.NEW.KTAE.FF.W.0036.140907T1901Z-140907T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
301 PM EDT SUN SEP 7 2014

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

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

* UNTIL 400 PM EDT

* AT 258 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 I-75 AT
  EXIT 16

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 3090 8358 3088 8317 3065 8319 3067 8360

$$

11-MOORE
1 follow-up statement
603 
WGUS72 KTAE 071953
FFSTAE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
353 PM EDT SUN SEP 7 2014

GAC027-185-072001-
/O.EXP.KTAE.FF.W.0036.000000T0000Z-140907T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOWNDES GA-BROOKS GA-
353 PM EDT SUN SEP 7 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 400 PM EDT FOR SOUTHEASTERN
BROOKS AND SOUTHWESTERN LOWNDES COUNTIES. THERE MAY STILL BE AREAS 
OF FLOODING BUT THEY SHOULD BE RECEDING OVER THE NEXT TWO HOURS. DO 
NOT DRIVE THROUGH FLOODED ROADS. REMEMBER...TURN AROUND...DON'T 
DROWN...

LAT...LON 3090 8358 3088 8317 3065 8319 3067 8360

$$

11-MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 4:20 PM EDTSevere Thunderstorm WarningTAEDecatur, Early, Miller, Seminole40 min
Sep 7, 4:57 PM EDTSevere Thunderstorm WarningTAEBerrien, Colquitt, Cook, Irwin, Tift, Worth23 min
Sep 7, 5:02 PM EDTAreal Flood AdvisoryTAEBaker, Decatur, Grady, Mitchell118 min
Sep 7, 5:23 PM EDTAreal Flood AdvisoryTAEDougherty, Lee, Terrell3 hr
Sep 7, 6:02 PM EDTFlash Flood WarningTAEBaker, Dougherty, Terrell118 min
Sep 7, 7:04 PM EDTAreal Flood AdvisoryTAECalhoun, Dougherty86 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.