Alert archive / Georgia / Flash Flood Warnings in 1994

Flash Flood Warning 3, NWS Jacksonville, FL

October 13, 19944 counties in Georgia

NWS Jacksonville, FL issued this flash flood warning at Oct 13, 1994, 2:55 AM EDT for 4 counties in Georgia. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 13, 1994, 2:55 AM EDT (06:55 UTC)
Expired
Oct 13, 1994, 9:00 AM EDT
In force
6 hr
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Bryan County, GA, Bulloch County, GA, Chatham County, GA, Effingham County, GA

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 6.9 hours before the alert went out and 154 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 00:00Z on 1994-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 00:00Z on 1994-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 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
9 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
395 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 130705
FFWSAV
GAC029-031-051-103-179-131300-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAVANNAH GA
255 AM EDT THU OCT 13 1994

THE NATIONAL WEATHER SERVICE IN SAVANNAH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  900 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHEAST GEORGIA

   ...BRYAN COUNTY...BULLOCH COUNTY...CHATHAM COUNTY
   ...EFFINGHAM COUNTY...LIBERTY COUNTY

AT 250 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED CLUSTERS OF MODERATE
TO HEAVY RAIN CONTINUING TO REDEVELOP AND MOVE OVER PORTIONS OF CHATHAM...
BRYAN...LIBERTY...EFFINGHAM AND BULLOCH COUNTIES.  THE HEAVIEST RAIN WAS
MOVING TOWARD THE NORTH AT AROUND 5 MILES PER HOUR AND IS EXPECTED TO
CONTINUE TO AFFECT THESE COUNTIES THROUGH MID MORNING...THEREFORE THE FLASH
FLOOD WARNING HAS BEEN EXTENDED THROUGH 9 AM.

MANY STREAMS AND DRAINAGE DITCHES REMAIN AT OR OVER THEIR CAPACITY
AND FLOODING OF ROADS AND OTHER LOW-LYING AREAS CONTINUES TO BE A
SERIOUS PROBLEM.  SINCE WEDNESDAY MORNING...RAINFALL TOTALS OF UP TO
10 INCHES HAVE BEEN REPORTED IN THESE AREAS.  SINCE MIDNIGHT...OVER
TWO INCHES OF RAIN HAS FALLEN AT THE SAVANNAH INTERNATIONAL AIRPORT
AND 3.60 INCHES HAS FALLEN AT WTOC-TV IN DOWNTOWN SAVANNAH.

THE POTENTIAL REMAINS FOR ADDITIONAL RAINFALL RATES TO EQUAL OR EXCEED
3/4 OF AN INCH PER HOUR THROUGH SUNRISE WHICH MAY PRODUCE ADDITIONAL
ACCUMULATIONS OF UP TO 4 INCHES BY MID-MORNING.  ALSO...HIGH TIDE OCCURS
ALONG THE GEORGIA COAST NEAR 330 AM THIS MORNING WHICH WILL SLOW RUNOFF
RATES FOR AREAS NEAR THE COAST.

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.  IF FLOODING IS OBSERVED...MOVE TO HIGHER GROUND
IMMEDIATELY.

STAY TUNED TO NOAA WEATHER RADIO OR A LOCAL TELEVISION OR RADIO STATION FOR
FURTHER STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 2:55 AM EDTFlash Flood WarningJAXLiberty6 hr

Nearby

Flash Flood Warnings in Georgia, 1994Every flash flood warning in 1994

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.