Alert archive / Georgia / Flash Flood Warnings in 1989

Flash Flood Warning 25, NWS Atlanta, GA

September 30, 1989Cherokee County, Georgia

NWS Atlanta, GA issued this flash flood warning at Sep 30, 1989, 8:44 PM EDT for Cherokee County, Georgia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 30, 1989, 8:44 PM EDT (00:44 UTC)
Expired
Oct 1, 1989, 12:00 AM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

County Cherokee County, GA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 0.7 hours before the alert went out and 113 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, Athens Municipal, GA at 00:00Z on 1989-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 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, Athens Municipal, GA at 00:00Z on 1989-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
132 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
329 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Sep 30, 4:28 PM EDT, 4 hours 16 minutes before
URBAN AND SMALL STREAM FLOOD STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
425 PM EDT SAT SEP 30 1989

         ...HEAVY RAINS IN METRO ATLANTA...

AT 415 PM RADAR SHOWED LIGHT TO MODERATE RAIN FALLING ACROSS METRO
ATLANTA. ONE TO TWO INCHES OF RAIN HAS ALREADY FALLEN OVER MUCH OF
ATLANTA WITH HARTSFIELD INTERNATIONAL AIRPORT REPORTING 1.34 INCHES
OF RAIN BETWEEN 1 PM AND 4 PM.

AT 420 PM PEACHTREE CREEK WAS AT 11.7 FEET AND RISING STEADILY. A CREST
OF 14 FEET IS EXPECTED AT THE NORTHSIDE DRIVE GAGE AROUND 6 PM THIS
EVENING. THIS WILL RESULT IN MINOR FLOODING OF LOW AREAS NEAR THE BOBBY
JONES GOLF COURSE AND SOME PARTS OF WOODWARD WAY.
IF MORE HEAVY OCCURRS LATER THIS EVENING...THE ACTUAL CREST MAY BE
HIGHER. SERIOUS FLOODING ON PEACHTREE CREEK BEGINS AT THE FLOOD STAGE OF
17 FEET.

OTHER SMALL STREAMS IN THE ATLANTA AREA MAY REACH BANKFULL AS WELL.
LOCALIZED FLOODING OF STREETS AND LOW LYING AREAS CAN ALSO BE EXPECTED.
A FLASH FLOO	D WATCH REMAINS IN EFFECT FOR MOST OF NORTH GEORGIA THROUGH
TONIGHT.
Special weather statement, Sep 30, 6:43 PM EDT, 2 hours 1 minute before
URBAN AND SMALL STREAM FLOOD STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
642 PM EDT SAT SEP 30 1989

         ...HEAVY RAINS IN METRO ATLANTA...

AT 630 PM MODERATE TO HEAVY RAIN WAS CONTINUING TO FALL ACROSS MUCH
OF THE ATLANTA METROPOLITAN AREA. SINCE 1 PM EDT 2.31 INCHES HAVE
BEEN MEASURED AT HARTSFIELD INTERNATIONAL AIRPORT.

AT 630 PM PEACHTREE CREEK WAS AT 13.1 FEET AND RISING. A RISE
TO BETWEEN 14 AND 15 FEET IS EXPECTED INTO THE EVENING HOURS AS
RAINFALL CONTINNUES. SOME FLOODING OF BOBBY JONES GOLF COURSE CAN BE
EXPECTED. SOME FLOODING MAY ALSO OCCUR ON PARTS OF WOODWARD WAY.
IF RAINFALL BECOMES EVEN HEAVIER LATER THIS EVENING...WATER LEVELS ON
PEACHTREE CREEK WILL GO HIGHER. SERIOUS FLOODING ON PEACHTREE CREEK
BEGINS AT 17 FEET.

OTHER SMALL STREAMS IN THE ATLANTA AREA MAY BE NEAR OF ABOVE BANKFULL...
INCLUDING PROCTOR AND SOPE CREEKS.
<
SOME FLOODING OF STREETS AND UNDERPASSES IS ALSO LIKELY. WITH
DARKNESS APPROACHING...MOTORISTS MAY ENCOUNTER STANDING WATER ON
ROADWAYS WITHOUT WARNING. SLOW DOWN TO AVOID HYDROPLANING AND LOSS
OF CONTROL.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MOST OF NORTH GEORGIA THROUGH
TONIGHT.
Special weather statement, Sep 30, 8:06 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
 7PM EDT SAT SEPT 30, 1989

 AREA OF THUNDERSTORMS FROM NEAR SOCIAL CIRCLE-COVINGTON AREA
SOUTHEAST TO NEAR EATONTON-MILLEDGEVILLE AREA MOVING NORTHWARD
AT ABOUT 20 MILES AN HOUR.

THESE STROMS LIKELY TO PRODUCE VERY HEAVY DOWNPOURS FOR BRIEF
PERIODS ALONG WITH GUSTY SURFACE WINDS AND CLOUD TO GROUND
LIGHTNING.

PERSONS IN  NEWTON ...WALTON...MORGAN...AND GREENE COUNTIES
OF GEORGIA SHOULD REMAIN ALERT FOR THESE STORMS DURING THE NEXT
TWO HOURS AS THEY MOVE NORTHWARD INTO THESE COUNTIES.
Special weather statement, Sep 30, 8:08 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION TO TIME...
NATIONAL WEATHER SERVICE ATHENS GA
800 PM EDT SAT SEPT 30 1989

AREA OF THUNDERSTORMS FROM NEAR SOCIAL CIRCLE-COVINGTON AREA
SOUTHEAST TO NEAR EATONTON-MILLEDGEVILLE AREA MOVING NORTHWARD
AT ABOUT 20 MILES AN HOUR.

THESE STROMS LIKELY TO PRODUCE VERY HEAVY DOWNPOURS FOR BRIEF
PERIODS ALONG WITH GUSTY SURFACE WINDS AND CLOUD TO GROUND
LIGHTNING.

PERSONS IN  NEWTON ...WALTON...MORGAN...AND GREENE COUNTIES
OF GEORGIA SHOULD REMAIN ALERT FOR THESE STORMS DURING THE NEXT
TWO HOURS AS THEY MOVE NORTHWARD INTO THESE COUNTIES.
Local storm report, Sep 30, 8:30 PM EDT, 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MACON GA
830 PM EDT SAT SEP 30 1989

COUNTY..... BIBB
SOURCE..... FIRE DEPARTMENT
TIME....... 645 PM EDT
LOCATION... CITY OF MACON...IN BLOOMFIELD AREA
TYPE ST3ORM. SEVERE THUNDERSTORM
HAIL....... NONE REPORTED
DAMAGE..... POWER LINES BLOWN DOWN/METAL STORAGE SHED BLOWN OVER
TREES...... NUMEROUS TREES DOWN
INJURES.... UNKN
WATCHES.... NONE
WARNINGS... NONE
Local storm report, Sep 30, 8:35 PM EDT, 9 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MACON GA
835 PM EDT SAT SEP 30 1989

COUNTY..... JONES
SOURCE..... CITY OF GRAY POLICE DEPT
TIME....... 710 PM EDT
LOCATION... SOUTH JONES COUNTY...SOUTH OF GRAY.
TYPE STORM. SEVERE THUNDERSTORM
HAIL....... NONE REPORTED
DAMAGE..... POWER LINES BLOWN DOWN
TREES...... NONE REPORTED
INJURES.... NONE REPORTED
WATCHES.... NONE
WARNINGS... SEVERE THUNDERSTORM WARNING FOR JONES COUNTY. VALID TIME
          :  657 PM - 730 PM EDT 9/30/89

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 1, 7:03 PM EDTFlash Flood WarningFFCHall3 hr
Oct 1, 7:24 PM EDTSevere Thunderstorm WarningFFCBurke, Richmond51 min

Nearby

Flash Flood Warnings in Georgia, 1989Every flash flood warning in 1989

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.