Alert archive / Georgia / Flash Flood Warnings in 1989
Flash Flood Warning 22, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 30, 1989, 7:55 PM EDT for Clayton County, Fayette County, Fulton County, Georgia. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 30, 1989, 7:55 PM EDT (23:55 UTC)
- Expired
- Oct 1, 1989, 12:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Clayton County, GA, Fayette County, GA, Fulton 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 12:00Z, 11.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KATL 302356
FFWATL
GAC063-067-089-097-113-121-010400-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
755 PM EDT SAT SEP 30 1989
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST GEORGIA
...CLAYTON...COBB...DOUGLAS...FAYETTE
...FULTON...AND WESTERN DE KALB
RAINS OF TWO TO FOUR INCHES IN THE LAST SEVERAL HOURS HAVE
RESULTED IN RISING CREEKS AND STREAMS IN THE ATLANTA METRO AREA
ALONG WITH CONSIDERABLE STREET FLOODING.
AT 745 PM EDT THE STAGE ON PEACHTREE CREEK AT NORTHSIDE DRIVE WAS
16.5 FEET AND RISING. A CREST OF 18 TO 19 FEET IS FORECAST AROUND 11 PM.
FLOOD STAGE IS 17 FEET. THIS WILL CAUSE FLOODING OF HOMES ALONG
HANOVER WEST DRIVE AND FLOODING OF WOODWARD WAY AND BOBBY JONES
GOLF COURSE. THIS WILL BE THE WORST FLOOD ON PEACHTREE CREEK IN
SEVERAL YEARS...AND IF HEAVY RAIN CONTINUES WATER WILL GO EVEN
HIGHER.
IN COBB COUNTY SOPE CREEK WAS OUT OF ITS BANKS...AND SWEETWATER
CREEK WAS RISING RAPIDLY.
IN NORTHERN CLAYTON COUNTY THE FLINT RIVER HAS FLOODED UPPER
RIVERDALE ROAD.
OTHER CREEKS AND STREAMS IN THE WARNING AREA ARE AT OR ABOVE BANKFULL.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
MOST DEATHS IN FLASH FLOODING 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.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, 3 hours 27 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, 1 hour 12 minutes 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.The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 6:57 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 33 min |
| Sep 30, 7:55 PM EDT | Flash Flood Warning | FFC | DeKalb | 4 hr |
| Sep 30, 7:55 PM EDT | Flash Flood Warning | FFC | Cobb, Douglas | 4 hr |
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.