Alert archive / Georgia / Flash Flood Warnings in 2018

Flash Flood Warning 14, NWS Tallahassee, FL

October 10, 2018Quitman County, Randolph County, Terrell County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Oct 10, 2018, 9:01 PM EDT for Quitman County, Randolph County, Terrell County, Georgia. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 10, 2018, 9:01 PM EDT (01:01 UTC)
Expired
Oct 11, 2018, 1:00 AM EDT
In force
4 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Quitman County, GA, Randolph County, GA, Terrell County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.0 hours before the alert went out and 163 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, Peachtre/Fal Fld, GA at 00:00Z on 2018-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 382 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2018-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 square meters per square second.193958Sfc1 km3 km6 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
382 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
474 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
350 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

357 
WGUS52 KTAE 110101
FFWTAE
GAC239-243-273-110300-
/O.NEW.KTAE.FF.W.0014.181011T0101Z-181011T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
Issued by National Weather Service Jacksonville FL
901 PM EDT WED OCT 10 2018

The National Weather Service in Tallahassee has issued a

* Flash Flood Warning for...
  Northwestern Randolph County in southwestern Georgia...
  Quitman County in southwestern Georgia...
  Northwestern Terrell County in southwestern Georgia...

* Until 1100 PM EDT.

* At 900 PM EDT, Doppler radar indicated heavy rain across the 
  warned area. Up to three to four inches of rain have already 
  fallen. Flash flooding is imminent or already occurring.

* Some locations that will experience flooding include...
  Georgetown, Wire Bridge, Bonapartes Retreat, Chambliss, Hatcher,
  Crossroads and Benevolence.

Additional rainfall amounts of 2 to 3 are possible in the warned 
area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3198 8504 3198 8501 3197 8495 3195 8496
      3192 8491 3193 8480 3192 8480 3192 8469
      3193 8468 3192 8465 3193 8445 3196 8444
      3193 8440 3178 8514 3189 8513 3190 8511
      3194 8508 3196 8509 3197 8507 3199 8507

$$

MCGINNIS
1 follow-up statement
214 
WGUS52 KTAE 110254
FFWTAE
GAC239-243-273-110500-
/O.EXT.KTAE.FF.W.0014.000000T0000Z-181011T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
Issued by National Weather Service Jacksonville FL
1054 PM EDT WED OCT 10 2018

The National Weather Service in Tallahassee has extended the

* Flash Flood Warning for...
  Northwestern Randolph County in southwestern Georgia...
  Quitman County in southwestern Georgia...
  Northwestern Terrell County in southwestern Georgia...

* Until 100 AM EDT.

* At 1052 PM EDT, Doppler radar indicated heavy rain across the
  warned area. 3 to 5 inches of rain have fallen.
  Flash flooding is imminent or already occurring.

* Some locations that will experience flooding include...
  Georgetown, Wire Bridge, Bonapartes Retreat, Chambliss, Hatcher,
  Crossroads and Benevolence.

Additional rainfall amounts of 1 inch are possible in the warned 
area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3198 8504 3198 8501 3197 8495 3195 8496
      3192 8491 3193 8480 3192 8480 3192 8469
      3193 8468 3192 8465 3193 8445 3196 8444
      3193 8440 3178 8514 3189 8513 3190 8511
      3194 8508 3196 8509 3197 8507 3199 8507

$$

MCGINNIS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 8:27 PM EDTFlash Flood WarningTAEDougherty, Lee3 hr
Oct 10, 9:52 PM EDTRiver Flood WarningTAELee13 hr
Oct 10, 9:56 PM EDTRiver Flood WarningTAETerrell, Webster13 hr
Oct 10, 9:56 PM EDTRiver Flood WarningTAELee72 hr
Oct 10, 10:00 PM EDTRiver Flood WarningTAEDougherty12 hr
Oct 10, 10:00 PM EDTRiver Flood WarningTAEBaker, Mitchell13 hr
Oct 10, 10:00 PM EDTRiver Flood WarningTAEDecatur7 days

Nearby

Flash Flood Warnings in Georgia, 2018Every flash flood warning in 2018

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.