Alert archive / Georgia / Flash Flood Warnings in 2005

Flash Flood Warning 48, NWS Atlanta, GA

August 30, 2005Towns County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 30, 2005, 12:42 AM EDT for Towns County, Georgia. It was in force for 2 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
Aug 30, 2005, 12:42 AM EDT (04:42 UTC)
Expired
Aug 30, 2005, 2:45 AM EDT
In force
2 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Towns County, GA

The radar

The Greer radar (KGSP), 138 km from the middle of the area, began a volume at 04:45 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.7 hours before the alert went out and 181 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 2005-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1046 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, Peachtre/Fal Fld, GA at 00:00Z on 2005-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 331 square meters per square second.193958Sfc1 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
1046 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
650 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
331 m²/s²
0-3 km storm-relative helicity
425 m²/s²
Significant tornado parameter
2.1
Supercell composite
10.9

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 300445
FFWFFC
GAC281-300645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1242 AM EDT TUE AUG 30 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TOWNS COUNTY IN NORTHEAST GEORGIA

* UNTIL 245 AM EDT

* AT 1240 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS MOVING INTO
  SOUTHERN TOWNS COUNTY. THIS ACTIVITY WILL MOVE NORTH ACROSS
  THE ENTIRE COUNTY DURING THE NEXT HOUR PRODUCING RAINFALL
  OF 1 TO 2 INCHES PER HOUR ON TOTALLY SATURATED GROUND.

FLASH FLOODING ALONG PRESLEY CREEK SOUTH OF HIAWASSEE WILL BE 
POSSIBLE...ESPECIALLY IN THE AREA OF THE ENCHANTED FOREST RESORT. 
FLASH FLOODING ALONG SWALLOWS CREEK IN NORTHERN TOWNS COUNTY WILL 
ALSO BE POSSIBLE AFTER 1 AM EDT.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA THROUGH 2 AM EDT.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3480 8376 3480 8368 3499 8355 3498 8393

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

$$

RAB

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 8:06 PM EDTTornado WarningFFCHenry, Spalding24 min
Aug 29, 8:14 PM EDTTornado WarningFFCForsyth31 min
Aug 29, 8:17 PM EDTTornado WarningFFCMurray19 min
Aug 29, 8:28 PM EDTTornado WarningFFCJasper, Jones, Monroe51 min
Aug 29, 8:30 PM EDTTornado WarningFFCHall, Jackson45 min
Aug 29, 10:20 PM EDTTornado WarningFFCWalton32 min
Aug 29, 10:55 PM EDTTornado WarningFFCBarrow35 min
Aug 29, 11:10 PM EDTTornado WarningFFCJackson35 min
Aug 29, 11:29 PM EDTSevere Thunderstorm WarningFFCHall46 min
Aug 29, 11:33 PM EDTTornado WarningFFCHall42 min
Aug 30, 12:11 AM EDTTornado WarningFFCWhite34 min
Aug 30, 12:50 AM EDTTornado WarningFFCTowns40 min
Aug 30, 1:11 PM EDTSevere Thunderstorm WarningFFCHouston, Twiggs34 min

Nearby

Flash Flood Warnings in Georgia, 2005Every flash flood warning in 2005

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; radar from the NEXRAD Level II archive.