Alert archive / Georgia / Flash Flood Warnings in 1997

Flash Flood Warning 6, NWS Jacksonville, FL

October 25, 1997Bacon County, Coffee County, Georgia

NWS Jacksonville, FL issued this flash flood warning at Oct 25, 1997, 9:10 PM EDT for Bacon County, Coffee County, Georgia. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 25, 1997, 9:10 PM EDT (01:10 UTC)
Expired
Oct 26, 1997, 3:15 AM EST
In force
7 hr
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Bacon County, GA, Coffee County, GA

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 1.2 hours before the alert went out and 148 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, Jacksonville, FL at 00:00Z on 1997-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 716 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, Jacksonville, FL at 00:00Z on 1997-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897Sfc1 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
716 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAX 260219 COR
FFWJAX
GAC005-069-260815-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1010 PM EDT SAT OCT 25 1997

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  415 AM EST
FOR PERSONS IN THE FOLLOWING LOCATIONS...

IN SOUTHEAST GEORGIA

   ...BACON COUNTY...COFFEE COUNTY

NATIONAL WEATHER SERVICE DOPPLER RADAR HAS INDICATED FROM 3 TO 5 INCHES
HAS FALLEN ACROSS COFFEE AND BACON COUNITES THIS EVENING... WITH AN
ADDITIONAL 1 TO 2 INCHES POSSIBLE. THE EMERGENCY MANAGER IN COFFEE
COUNTY HAS REPORTED NUMEROUS ROADS AND STREETS FLOODED THIS EVENING.
MOTORISTS OUT DRIVING SHOULD USE EXTREME CAUTION. REMEMBER TO NEVER
DRIVE THROUGH WATER OF UNKNOWN DEPTH.

KK

&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this flash flood warning went out at Oct 25, 8:30 PM EDT, 40 minutes earlier.

Area forecast discussion, Oct 25, 8:30 PM EDT, 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
830 PM EDT SAT OCT 25 1997

BUSY WI SVR WX THIS EVE. CONCERNED ABOUT BNDRY COMING MY WAY FM TLH
AREA AND STG S-SW FLO DVLPG OFF GLF LATER TNGT. WL LEAVE POPS AS IS
AND MONITER. FIRST MCC IN GA MOVG THRU N CWA ATTM WI SVR WX AND SECOND
MCC MOVG THIS WAY. MAY NEED TO BUMP UP POPS. WL WATCH TEMPS BUT WL
LIKELY RAISE BASED ON CURRENT DWPTS NR 70.

FG SHUD NOT BE MUCH OF A PROBLEM TNGT WI TOO MUCH CLD CVR.

MAY BE OVERDOING WND A LTL OVR GAZ501 LATE TNGT. DO NOT SEE 20 KT WND
TIL SUNDAY. WHAT DO YOU THINK MIA?

MOHLIN

In the hours before

Local storm report, Oct 25, 8:58 PM EDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FLORIDA
858 PM EDT SAT OCT 25 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0640 PM    PEARSON                   GA   WIND DAMAGE
10/25/97   ATKINSON                       TRAFFIC LIGHT DOWN DUE TO
                                          WIND. REPORTED BY SHERIFF
                                          OFFICE.

0640 PM    WILLACOOCHEE              GA   WIND DAMAGE
10/25/97   ATKINSON                       NUMEROUS REPORTS OF TREES
                                          AND POWER LINES DOWN.

0659 PM    PEARSON                   GA   TORNADO
10/25/97   ATKINSON                       SHERIFF OFFICE REPORTED
                                          TORNADO ON THE GROUND
                                          NORTH OF PEARSON.

0715 PM    AMBROSE                   GA   WIND DAMAGE
10/25/97   COFFEE                         SHEFIFF OFFICE REPORTED
                                          TREES AND POWERLINES DOWN
                                          OVER HIGHWAY 32 NEAR
                                          AMBROSE CROSSING.

0835 PM    BRISTOL                   GA   .75 INCH HAIL
10/25/97   PIERCE                         PIERCE COUNTY SO REPORTED
                                          DIME SIZE HAIL NEAR
                                          BRISTOL IN NORTHERN PIERCE
                                          COUNTY.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 8:47 PM EDTSevere Thunderstorm WarningJAXWayne58 min
Oct 25, 9:10 PM EDTFlash Flood WarningJAXBacon, Coffee6 hr
Oct 25, 11:40 PM EDTSevere Thunderstorm WarningJAXAtkinson50 min
Oct 25, 11:40 PM EDTSevere Thunderstorm WarningJAXAppling50 min
Oct 25, 11:52 PM EDTSevere Thunderstorm WarningJAXWare53 min
Oct 26, 3:02 AM ESTFlash Flood WarningJAXCoffee7 hr
Oct 26, 2:50 PM ESTSevere Thunderstorm WarningJAXCoffee55 min
Oct 26, 3:13 PM ESTSevere Thunderstorm WarningJAXAtkinson62 min
Oct 26, 3:50 PM ESTSevere Thunderstorm WarningJAXBacon, Ware55 min
Oct 26, 4:09 PM ESTTornado WarningJAXBacon66 min
Oct 26, 4:15 PM ESTSevere Thunderstorm WarningJAXAppling60 min
Oct 26, 4:21 PM ESTSevere Thunderstorm WarningJAXAtkinson69 min
Oct 26, 4:28 PM ESTSevere Thunderstorm WarningJAXWayne62 min
Oct 26, 4:50 PM ESTSevere Thunderstorm WarningJAXClinch, Ware70 min
Oct 26, 5:14 PM ESTSevere Thunderstorm WarningJAXBrantley61 min
Oct 26, 5:22 PM ESTSevere Thunderstorm WarningJAXPierce68 min
Oct 26, 5:47 PM ESTSevere Thunderstorm WarningJAXGlynn58 min

Nearby

Flash Flood Warnings in Georgia, 1997Every flash flood warning in 1997

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.