Alert archive / Georgia / Flash Flood Warnings in 1990

Flash Flood Warning 58, NWS Atlanta, GA

March 17, 1990Jones County, Monroe County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 17, 1990, 10:54 AM EST for Jones County, Monroe County, Georgia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 17, 1990, 10:54 AM EST (15:54 UTC)
Expired
Mar 17, 1990, 2:00 PM EST
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Jones County, GA, Monroe 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, 3.9 hours before the alert went out and 111 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 12:00Z on 1990-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 12:00Z on 1990-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -111 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-111 m²/s²
0-3 km storm-relative helicity
58 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 KMCN 171557
FFWMCN
GAC169-207-171900-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MACON GA
1054 AM EST SAT MAR 17 1990
 
THE NATIONAL WEATHER SERVICE IN MACON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  200 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL GEORGIA
          ...JONES...MONROE
 
FLOODING CONTINUES IN MONROE COUNTY ON NUMEROUS SMALLER COUNTY ROADS.
A BRIDGE ON DUMAS ROAD OFF OF HIGHWAY 42 WAS WASHED OUT. FLAT BRIDGE
ON WEST BROOKS ROAD WAS COVERED WITH WATER. OLD ZEBULON AND SMITH ROAD
WERE FLOODED ALONG WITH HIGH FALLS STATE PARK.
 
IN JONES COUNTY FLOODING CONTINUES ON DOCTOR LEE ROAD AT THE CAMELOT
SUBDIVISION...OFF HIGHWAY 129 IN CREEKSIDE SUBDIVISION...AND ALONG
THE OCMULGEE RIVER.
 
IN JASPER COUNTY WATER HAS GONE DOWN OFF OF MOST ROADWAYS BUT FELSPAR
ROAD HAS BEEN CLOSED. REPAIRS WERE BEING MADE TO DEERWOOD FARM ROAD
WHERE THE DIRT WAS WASHED AWAY AT THE BRIDGE. THE FLOOD WARNING HAS
ENDED FOR JASPER COUNTY.
 
AT 1050 AM RADAR IN MACON SHOWED RAIN TAPERING OFF AND MOVING EAST.
NO OTHER SIGNIFICANT RAIN IS EXPECTED IN MONROE JASPER AND JONES
COUNTY TODAY. CREEKS AND STREAMS SHOULD BEGIN TO FALL THIS AFTERNOON.
j 
 
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, Mar 17, 5:04 AM EST, 5 hours 50 minutes before
GAZ006-008-009-171200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
500 AM EST SAT MAR 17 1989

TORNADO WATCH NUMBER 93 IS IN EFFECT FOR A LARGE PART OF CENTRAL AND
SOUTH GEORGIA UNTIL 9AM.

FLASH FLOOD WATCH FOR MOST OF NORTH AND CENTRAL GEORGIA THROUGH
SATURDAY...

AT 455 AM RADAR SHOWED THUNDERSTORMS CONTINUING FROM MONTICELLO
TO MACON TO SOUTH OF PERRY. MOVEMENT WAS NORTHEAST AT 40 MPH.

THESE STORMS WILL CONTINUE TO PRODUC!E VERY HEAVY RAIN...
STRONG GUSTY WINDS...AND FREQUENT DANGEROUS LIGHTNING.
Special weather statement, Mar 17, 7:16 AM EST, 3 hours 38 minutes before
GAZ005-008-011-ALZ012-GAZ012-171415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
715 AM EST SAT MAR 17 1990

...THE FLASH FLOOD WARNING FOR MUSCOGEE COUNTY GEORGIA AND RUSSELL
COUNTY ALABAMA HAS EXPIRED AT 7 AM EST..
...TORNADO WATCH NUMBER 93 IS NO LONGER IN EFFECT FOR MACON AND
SUMTER COUNTIES IN WEST CENTRAL GEORGIA...AND FOR TERRELL LEE
DOUGHERTY BAKER MILLER AND MITCHELL COUNTIES OF SOUTHWEST GEORGIA...
...A FLASH FLOOD WATCH CONTINUES FOR MUCH OF CENTRAL GEORGIA FOR
TODAY...

AT 710 AM EST RADAR INDICATED LIGHT TO MODERATE RAIN CONTINUING OVER
MOST OF WEST CENTRAL AND SOUTHWEST GEORGIA.  HOWEVER...THE RAIN HAS
BECOME LIGHT AND SCATTERED IN THE COUNTIES NEAREST THE ALABAMA BORDER.
SCATTERED LIGHT RAIN WAS ALSO OCCURRING OVER EXTREME EAST ALABAMA.
MOVEMENT WAS NORTHEAST AT 35 MPH.

FLOODWATERS STANDING IN YARDS AND ROADWAYS WILL GRADUALLY SUBSIDE
TODAY...BUT PEOPLE SHOULD CONTINUE TO EXERCISE EXTREME CAUTION
AND USE COMMON SENSE AROUND WATER OF UNKNOWN DEPTH.  ALSO...THE
LARGER STREAMS AND RIVERS WILL LIKELY REMAIN HIGH FOR SEVERAL DAYS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 7:06 PM ESTTornado WarningFFCMorgan, Oconee69 min
Mar 16, 7:18 PM ESTSevere Thunderstorm WarningFFCGreene, Oconee, Oglethorpe57 min
Mar 16, 7:18 PM ESTSevere Thunderstorm WarningFFCClarke, Jackson, Madison57 min
Mar 16, 7:18 PM ESTSevere Thunderstorm WarningFFCBanks, Franklin57 min
Mar 16, 7:40 PM ESTTornado WarningFFCClarke, Madison, Oglethorpe35 min
Mar 16, 7:53 PM ESTSevere Thunderstorm WarningFFCElbert, Hart67 min
Mar 16, 7:59 PM ESTSevere Thunderstorm WarningFFCWilkes61 min
Mar 16, 8:34 PM ESTSevere Thunderstorm WarningFFCLincoln41 min
Mar 16, 8:59 PM ESTSevere Thunderstorm WarningFFCLincoln61 min
Mar 16, 9:44 PM ESTSevere Thunderstorm WarningFFCCrawford, Monroe, Peach61 min
Mar 16, 9:44 PM ESTSevere Thunderstorm WarningFFCJasper61 min
Mar 16, 9:52 PM ESTFlash Flood WarningFFCPolk8 hr
Mar 16, 9:57 PM ESTFlash Flood WarningFFCCobb, Douglas, Fulton5 hr
Mar 16, 9:57 PM ESTFlash Flood WarningFFCDeKalb5 hr
Mar 16, 10:03 PM ESTSevere Thunderstorm WarningFFCBibb, Jones57 min
Mar 17, 12:30 AM ESTFlash Flood WarningFFCDeKalb, Fulton6 hr
Mar 17, 12:30 AM ESTFlash Flood WarningFFCCobb, Douglas6 hr
Mar 17, 1:59 AM ESTFlash Flood WarningFFCHenry, Rockdale4 hr
Mar 17, 1:59 AM ESTFlash Flood WarningFFCClayton, Fayette, Spalding4 hr
Mar 17, 1:59 AM ESTFlash Flood WarningFFCLamar, Pike, Upson4 hr
Mar 17, 1:59 AM ESTFlash Flood WarningFFCButts4 hr
Mar 17, 2:26 AM ESTSevere Thunderstorm WarningFFCCrawford, Monroe64 min
Mar 17, 5:45 AM ESTFlash Flood WarningFFCCobb, Douglas, Fulton6 hr
Mar 17, 5:45 AM ESTFlash Flood WarningFFCDeKalb6 hr
Mar 17, 6:08 AM ESTFlash Flood WarningFFCButts, Clayton, Fayette, Henry, Lamar, Pike and 1 more4 hr
Mar 17, 6:08 AM ESTFlash Flood WarningFFCUpson4 hr
Mar 17, 6:08 AM ESTFlash Flood WarningFFCRockdale4 hr
Mar 17, 6:37 AM ESTFlash Flood WarningFFCFannin5 hr
Mar 17, 7:21 AM ESTFlash Flood WarningFFCWhite3 hr
Mar 17, 7:35 AM ESTFlash Flood WarningFFCJasper, Jones, Monroe3 hr

Nearby

Flash Flood Warnings in Georgia, 1990Every flash flood warning in 1990

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.