Alert archive / Georgia / Flash Flood Warnings in 1992

Flash Flood Warning 3, NWS Jacksonville, FL

July 18, 1992Bulloch County, Effingham County, Georgia

NWS Jacksonville, FL issued this flash flood warning at Jul 18, 1992, 7:37 PM EDT for Bulloch County, Effingham County, Georgia. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1992, 7:37 PM EDT (23:37 UTC)
Expired
Jul 18, 1992, 8:45 PM EDT
In force
68 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Bulloch County, GA, Effingham County, GA

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.6 hours before the alert went out and 155 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, Charleston AFB, SC at 12:00Z on 1992-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 777 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 1992-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
777 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
972 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
-19 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 KSAV 182344
FFWSAV
GAC031-103-190245-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAVANNAH GA
737 PM EDT SAT JUL 18 1992
 
THE NATIONAL WEATHER SERVICE IN SAVANNAH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST GEORGIA
 
   ...BULLOCH COUNTY...EFFINGHAM COUNTY
 
AT 7:20 THE STATESBORO POLICE REPORTED SEVERAL STREETS FLOODED IN
STATESBORO. WATER HAD ALSO RISEN INTO SOME HOUSES IN THE STATESBORO
AREA.
 
THE THUNERSTORMS CAUSING THE HEAVY RAIN REMAINED OVER BULLOCH AND
EFFINGHAM COUNTIES AND WERE MOVING SLOWLY TO THE EAST.
 
THE RAINFALL IN STATESBORO HAD BEGUN TO DISSIPATE BUT THE FLOODING
WILL CONTINUE FOR THE NEXT FEW HOURS.  HEAVY RAINFALL IS NOW OCCURRING
IN SPRINGFIELD IN EFFINGHAM COUNTY AND WILL CONTINUE FOR AT LEAST THE
NEXT HOUR.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

Nearby

Flash Flood Warnings in Georgia, 1992Every flash flood warning in 1992

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.