Alert archive / Georgia / Flash Flood Warnings in 1998

Flash Flood Warning 11, NWS Atlanta, GA

May 30, 1998Laurens County, Georgia

NWS Atlanta, GA issued this flash flood warning at May 30, 1998, 11:55 AM EDT for Laurens County, Georgia. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 30, 1998, 11:55 AM EDT (15:55 UTC)
Expired
May 30, 1998, 12:55 PM EDT
In force
60 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Laurens County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.9 hours before the alert went out and 178 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 12:00Z on 1998-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 395 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 12:00Z on 1998-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
395 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
826 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
8 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.

000 
TTAA00 KATL 301554
FFWATL
GAC175-301655-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1155 AM EDT SAT MAY 30 1998

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN LAURENS COUNTY IN CENTRAL GEORGIA

* UNTIL 1255 PM EDT

* AT 1152 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A THUNDERSTORM WITH VERY HEAVY RAIN OVER FAR EASTERN LAURENS
COUNTY BETWEEN MINDER AND ROCKLEDGE...MOVING NORTH-NORTHWEST
AROUND 5 MILES AN HOUR.

* THIS PART OF LAURENS COUNTY HAS ALREADY RECEIVED 3 TO 4 INCHES OF
RAIN IN THE LAST 24 HOURS. THE PRESENT STORM IS DROPPING 1 TO 2
INCHES OF RAIN PER HOUR AND WILL CAUSE FLASH FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. WATER DEPTHS OF ONLY ONE TO TWO FEET WILL CAUSE MOST
AUTOMOBILES TO BECOME STRANDED OR FLOAT AWAY. IF THE WATER IS
MOVING...THE ROAD BED MAY BE ERODED. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED QUICKLY. IF RAPIDLY RISING WATER THREATENS HOMES
OR BUSINESSES IN YOUR AREA....OR IF YOU SEE ROADS OR BRIDGES BEING
COVERED WITH WATER FROM RISING CREEKS OR STREAMS...PLEASE CALL THE
NATIONAL WEATHER SERVICE fAT 770-486-8535.

WRS

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 8:44 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington36 min
May 29, 9:00 PM EDTSevere Thunderstorm WarningFFCJefferson35 min
May 30, 12:28 PM EDTSevere Thunderstorm WarningFFCTreutlen32 min
May 30, 12:32 PM EDTSevere Thunderstorm WarningFFCEmanuel33 min
May 30, 12:37 PM EDTSevere Thunderstorm WarningFFCHancock, Taliaferro33 min
May 30, 12:56 PM EDTSevere Thunderstorm WarningFFCMontgomery, Toombs34 min
May 30, 1:06 PM EDTSevere Thunderstorm WarningFFCWashington, Wilkinson34 min
May 30, 1:12 PM EDTSevere Thunderstorm WarningFFCEmanuel48 min
May 30, 1:38 PM EDTSevere Thunderstorm WarningFFCMontgomery, Toombs, Treutlen47 min
May 30, 1:48 PM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson, Washington32 min
May 30, 2:12 PM EDTSevere Thunderstorm WarningFFCLaurens33 min
May 30, 2:24 PM EDTSevere Thunderstorm WarningFFCJefferson31 min
May 30, 3:36 PM EDTSevere Thunderstorm WarningFFCHouston34 min
May 30, 3:47 PM EDTSevere Thunderstorm WarningFFCPeach33 min
May 30, 4:00 PM EDTSevere Thunderstorm WarningFFCMontgomery, Telfair, Wheeler35 min
May 30, 4:13 PM EDTSevere Thunderstorm WarningFFCDooly32 min
May 30, 4:35 PM EDTSevere Thunderstorm WarningFFCMarion35 min
May 30, 5:00 PM EDTSevere Thunderstorm WarningFFCCrisp35 min
May 30, 5:56 PM EDTSevere Thunderstorm WarningFFCTroup34 min

Nearby

Flash Flood Warnings in Georgia, 1998Every flash flood warning in 1998

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.