Alert archive / Georgia / Flash Flood Warnings in 1990

Flash Flood Warning 1, NWS Atlanta, GA

February 9, 1990DeKalb County, Fulton County, Georgia

NWS Atlanta, GA issued this flash flood warning at Feb 9, 1990, 8:17 PM EST for DeKalb County, Fulton County, Georgia. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Feb 9, 1990, 8:17 PM EST (01:17 UTC)
Expired
Feb 9, 1990, 10:15 PM EST
In force
118 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties DeKalb 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 00:00Z, 1.3 hours before the alert went out and 98 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 1990-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 square meters per square second.19395878Sfc1 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
607 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
158 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 KATL 100119
FFWATL
GAC089-121-100315-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
817 PM EST FRI FEB 9 1990
 
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST GEORGIA
          ...DEKALB...FULTON
 
OVER THE LAST COUPLE OF HOURS MORE THAN 2 INCHES OF RAIN HAVE
FALLEN IN THE ATLANTA METROPOLITAIN AREA CAUSING RAPID RISES
ON CREEKS AND STREAMS. ALTHOUGH HEAVIER RAINFALL HAS MOVED
OUT OF THE IMMEDIATE AREA...RISES ON SOME OF THE LARGER CREEKS
WILL CONTINUE OVER THE NEXT COUPLE OF HOURS.
 
AT 8 PM EST THE STAGE ON PEACHTREE CREEK AT THE NORTHSIDE
DRIVE GAGE WAS 16.3 FEET. A CREST OF AROUND 18 FEET IS EXPECTED
BETWEEN 9 AND 10 PM.
 
FLOODING OF WOODWARD WAY IS PROBABLY UNDER WAY NOW. WATER
MAY SOON BEGIN TO ENTER HOMES ON HANOVER WEST DRIVE...AND
RISE INTO THE YARDS OF HOMES ON WEST NANCY CREEK ROAD.
 
PEOPLE ALONG AND NEAR PEACHTREE CREEK SHOULD TAKE IMMEDIATE
ACTION TO PROTECT PROPERTY.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS 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.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 3:07 AM ESTSevere Thunderstorm WarningFFCMurray53 min
Feb 10, 3:25 AM ESTSevere Thunderstorm WarningFFCGilmer50 min
Feb 10, 4:55 AM ESTSevere Thunderstorm WarningFFCHaralson, Polk65 min
Feb 10, 4:55 AM ESTSevere Thunderstorm WarningFFCHeard, Troup65 min
Feb 10, 4:55 AM ESTSevere Thunderstorm WarningFFCCarroll65 min
Feb 10, 5:18 AM ESTSevere Thunderstorm WarningFFCCoweta, Fulton57 min
Feb 10, 5:18 AM ESTSevere Thunderstorm WarningFFCDouglas, Paulding57 min
Feb 10, 5:38 AM ESTSevere Thunderstorm WarningFFCClayton, Fayette, Fulton67 min
Feb 10, 5:38 AM ESTSevere Thunderstorm WarningFFCMeriwether67 min
Feb 10, 5:38 AM ESTSevere Thunderstorm WarningFFCCobb67 min
Feb 10, 5:55 AM ESTSevere Thunderstorm WarningFFCForsyth, Gwinnett65 min
Feb 10, 5:55 AM ESTSevere Thunderstorm WarningFFCDeKalb, Henry65 min
Feb 10, 5:55 AM ESTSevere Thunderstorm WarningFFCPike, Spalding65 min
Feb 10, 5:55 AM ESTSevere Thunderstorm WarningFFCUpson65 min
Feb 10, 6:06 AM ESTSevere Thunderstorm WarningFFCHall69 min
Feb 10, 6:14 AM ESTSevere Thunderstorm WarningFFCButts, Lamar46 min
Feb 10, 6:19 AM ESTSevere Thunderstorm WarningFFCBanks, Franklin, Madison, Stephens116 min
Feb 10, 6:19 AM ESTSevere Thunderstorm WarningFFCBarrow, Clarke, Hall, Jackson, Oconee, Walton116 min
Feb 10, 6:19 AM ESTSevere Thunderstorm WarningFFCMorgan, Newton116 min
Feb 10, 6:20 AM ESTSevere Thunderstorm WarningFFCJasper, Monroe40 min
Feb 10, 6:20 AM ESTSevere Thunderstorm WarningFFCCrawford40 min
Feb 10, 6:44 AM ESTSevere Thunderstorm WarningFFCBibb, Peach31 min
Feb 10, 6:44 AM ESTSevere Thunderstorm WarningFFCJones, Putnam31 min
Feb 10, 6:51 AM ESTSevere Thunderstorm WarningFFCGreene, Oglethorpe, Taliaferro2 hr
Feb 10, 6:51 AM ESTSevere Thunderstorm WarningFFCElbert, Hart2 hr
Feb 10, 6:54 AM ESTSevere Thunderstorm WarningFFCBleckley, Dooly, Houston, Pulaski36 min
Feb 10, 6:54 AM ESTSevere Thunderstorm WarningFFCBaldwin, Twiggs, Wilkinson36 min
Feb 10, 7:33 AM ESTSevere Thunderstorm WarningFFCDodge, Laurens, Wilcox42 min
Feb 10, 7:33 AM ESTSevere Thunderstorm WarningFFCBen Hill, Turner42 min
Feb 10, 7:52 AM ESTSevere Thunderstorm WarningFFCIrwin53 min
Feb 10, 7:55 AM ESTSevere Thunderstorm WarningFFCBurke, Jefferson, Richmond65 min
Feb 10, 7:55 AM ESTSevere Thunderstorm WarningFFCColumbia, McDuffie65 min
Feb 10, 8:10 AM ESTSevere Thunderstorm WarningFFCTelfair, Treutlen, Wheeler50 min

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.