Alert archive / Georgia / Flash Flood Warnings in 1992
Flash Flood Warning 14, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Nov 25, 1992, 10:42 AM EST for Cobb County, Douglas County, Georgia. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Nov 25, 1992, 10:42 AM EST (15:42 UTC)
- Expired
- Nov 25, 1992, 2:45 PM EST
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Cobb County, GA, Douglas County, GA
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 3.7 hours before the alert went out and 127 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
- 620 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 229 m²/s²
- 0-3 km storm-relative helicity
- 220 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 251555 FFWATL GAC063-067-097-135-251945- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ATLANTA GA 1042 AM EST WED NOV 25 1992 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...CLAYTON COUNTY...COBB COUNTY...DOUGLAS COUNTY ...GWINNETT COUNTY AT 1050 PM EST NATIOAL WEATHER SERVICE RADAR INDICATED A BAND OF MODERATE RAIN WITH EMBEDDED THUNDERSTORMS WITH HEAVY RAIN. THE RAIN CONTINUES TO MOVE NORTHEAST AT 45 MILES AN HOUR. AT 1045 AM EST THE GAGE AT AUSTELL ON SWEETWATER CREEK WAS READING 9.1 FEET. THE STAGE CONTINUES TO RISE AND SHOULD REACH THE FLOOD STAGE OF TEN FEET WITHIN THE NEXT HOUR OR SO. AT THE FLOOD STAGE OF TEN FEET YARDS OF HOMES ALONG MT. VERNON ROAD BEGIN TO FLOOD. ALSO AT 1045 AM EST SUWANEE CREEK IN NORTH GWINNETT WAS READING 7.2 FEET. FLOOD STAGE AT SUWANEE CREEK IS 7 FEET. BIG CREEK IN ALPHARETTA WAS READING 7.4 FEET AND FLOOD STAGE IS 7 FEET. IN EASTERN COBB COUNTY...SOAP CREEK AT THE ATLANTA COUNTRY CLUB HAD BEGUTO SPILL OVER ONTO THE GOLF COURSE. 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.
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, Nov 25, 6:32 AM EST, 4 hours 10 minutes before
GAZ005-ALZ011-251330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 630 AM EST WED NOV 25 1992 ...TORNADO WATCH NUMBER 932 IN EFFECT UNTIL 9 AM EST... AT 625 AM EST WEATHER RADAR AT COLUMBUS GEORGIA INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NEAR PHENIX CITY IN RUSSELL COUNTY IN EAST CENTRAL ALABAMA ACROSS BARBOUR COUNTY TO NEAR OZARK IN DALE COUNTY IN SOUTHEAST ALABAMA. PEOPLE ACROSS EAST CENTRAL ALABAMA...WEST CENTRAL...AND SOUTHWEST GEORGIA SHOULD REMAIN ALERT FOR THIS MORNING FOR THUNDERSTORMS AND POSSIBLE TORNADOES. IF A THUNDERSTORMS THREATENS YOUR AREA MOVE INDOORES AND AWAY FROM WINDOWS. IN THE EVENT OF A TORNADO..MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF RESIDENCE AND GET UNDER SOMETHING STURDY.
Special weather statement, Nov 25, 10:33 AM EST, 9 minutes before
GAZ001>010-ALZ003-007-011-012-NCZ007-010>013-SCZ001>004-006- TNZ001>003-005-251630- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 1025 AM EST WED NOV 25 1992. ...FLASH FLOOD WATCH WATCH IS IN EFFECT FOR MUCH OF NORTH AND WEST CENTRAL GEORGIA FOR TODAY. THIS FLASH FLOOD WATCH INCLUDES ALL NORTHEAST GEORGIA COUNTIES... RAIN...WITH A FEW EMBEDDED THUNDERSTORMS WITH VERY HEAVY RAINFALL RATES...CONTINUED OVER MUCH OF NORTH AND WEST CENTRAL GEORGIA AND EXTENDED INTO THE WEST CAROLINAS AND A SMALL PART OF SOUTHEAST TENNESSEE. THE THUNDERSTORMS WITH THE HEAVIER RAINFALL RATES IN GEORGIA WERE NEAR CORNELIA...JEFFERSON AND JACKSON GEORGIA. THE PRECIPITATION WAS MJOVING TO THE NORTHEAST AT 50 MILES AN HOUR... WHILE THE AREA MOVED TO THE SOUTHEAST AT 10 MILES AN HOUR.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 6:12 AM EST | Severe Thunderstorm Warning | FFC | Morgan, Newton, Walton | 48 min |
| Nov 25, 6:42 AM EST | Severe Thunderstorm Warning | FFC | Clarke, Jackson, Oconee | 33 min |
| Nov 25, 9:56 AM EST | Flash Flood Warning | FFC | DeKalb, Fulton | 4 hr |
| Nov 25, 10:42 AM EST | Flash Flood Warning | FFC | Clayton | 4 hr |
| Nov 25, 10:42 AM EST | Flash Flood Warning | FFC | Gwinnett | 4 hr |
| Nov 25, 2:15 PM EST | Flash Flood Warning | FFC | DeKalb, Fulton, Gwinnett | 3 hr |
| Nov 25, 2:15 PM EST | Flash Flood Warning | FFC | Clayton | 3 hr |
| Nov 25, 2:15 PM EST | Flash Flood Warning | FFC | Cobb, Douglas | 3 hr |
Nearby
Flash Flood Warnings in Georgia, 1992Every flash flood warning in 1992
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.