Alert archive / Georgia / Flash Flood Warnings in 1990

Flash Flood Warning 57, NWS Atlanta, GA

March 17, 1990Jasper County, Jones County, Monroe County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 17, 1990, 7:35 AM EST for Jasper County, Jones County, Monroe County, Georgia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 17, 1990, 7:35 AM EST (12:35 UTC)
Expired
Mar 17, 1990, 10:30 AM EST
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Jasper County, GA, 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, 0.6 hours before the alert went out and 100 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°0°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 171234
FFWMCN
GAC169-207-159-171530-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MACON GA
735 AM EST SAT MAR 17 1990
 
THE NATIONAL WEATHER SERVICE IN MACON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL GEORGIA
          ...JONES...MONROE
IN NORTHEAST GEORGIA
          ...JASPER
 
FLOODING WAS OCCURRING IN MONROE COUNTY ON THE TOWALIGA RIVER ALONG
HIGHWAY 42 NORTH OF FORSYTH...ON SMITH ROAD IN NORTH MONROE COUNTY...
AND ALSO ON DUMAS ROAD OFF OF HIGHWAY 42 SOUTH OF FORSYTH. FLOODING
IS ALSO EXPECTED ALONG TOBESOFKEE CREEK IN MONROE COUNTY THIS MORNING.
 
IN JONES COUNTY JULIETTE REPORTED OVER 7 INCHES OF RAIN OVERNIGHT.
NO REPORTS OF FLOODING HAVE BEEN RECEIVED...HOWEVER FLOODING ALONG
THE OCMULGEE RIVER  AND CREEKS AND STREAMS IN JONES COUNTY CAN BE
EXPECTED.
 
IN JASPER COUNTY A REPORT OF POSSIBLE FLOODING WAS RECEIVED FROM
SHADY DALE NORTH OF MONTICELLO.  SIGNIFICANT RAIN FELL EARLY THIS
MORNING AS THUNDERSTORMS MOVED EAST ACROSS JASPER COUNTY.
                                                                        OTHER AREAS THAT NORMALLY FLOOD WITH HEAVY RAINFALL CAN EXPECT
FLOODING THIS MORNING IN JASPER MONROE AND JONES COUNTIES.
 
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.

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, 10:54 AM ESTFlash Flood WarningFFCJones, 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.