Alert archive / Georgia / Flash Flood Warnings in 1991
Flash Flood Warning 17, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 8, 1991, 4:36 AM EDT for 4 counties in Georgia. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Sep 8, 1991, 4:36 AM EDT (08:36 UTC)
- Expired
- Sep 8, 1991, 6:45 AM EDT
- In force
- 2 hr
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Bartow County, GA, Floyd County, GA, Gordon County, GA, Polk County, GA
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 00:00Z, 8.6 hours before the alert went out and 163 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
- 2032 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1059 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 080838 FFWATL GAC015-115-129-233-081045- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ATLANTA GA 436 AM EDT SUN SEP 8 1991 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 645 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...BARTOW COUNTY...FLOYD COUNTY...GORDON COUNTY...POLK COUNTY AT 0435 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF HEAVY RAINSHOWERS AND THUNDERSTORMS OVER NORTHWEST GEORGIA. THIS HEAVY RAINFALL HAS PERSISTED THROUGH THE LAST FOUR HOURS. RAINFALL REPORTS INDICATE THAT 3.90 INCHES OF RAIN HAS FALLEN AT RESACA AND ADAIRSVILLE HAS MEASURED 1.83 INCHES DURING THE LAST FEW HOURS. PRESENTLY...THE HEAVIEST OF THE STORMS WAS LOCATED BETWEEN CEDARTOWN AND ROCKMART IN POLK COUNTY...AROUND CALHOUN IN GORDON COUNTY...NEAR ADAIRSVILLE IN BARTOW COUNTY...AND NORTHEAST OF ROME IN FLOYD COUNTY. THESE SHOWERS AND THUNDERSTORMS HAVE SHOWN VERY LITTLE MOVEMENT ALTHOUGH THE AREA OF PRECIPITATION HAS CONTINUED TO SPREAD SLOWLY SOUTHEAST. DUE TO THE LACK OF MOVEMENT OF THESE STORMS...LOCALIZED FLOODING IS A THREAT. THE POTENTIAL FOR FLASH FLOODS EXISTS OVER ROADS...NEAR CREEKS AND STREAMS...AND ANY OTHER LOW-LYING OR FLOOD- PRONE AREA. IF HEAVY RAIN PERSISTS IN YOUR AREA AND FLASH FLOODING DEVELOPES...BE PREPARED TO PROTECT YOURSELF AND PROPERTY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 8, 12:19 AM EDT, 4 hours 17 minutes before
GAZ001-GAZ003-GAZ005-080600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1220 AM EDT SUN SEP 8 1991 ISOLATED SHOWERS AND THUNDERSTORMS THAT DEVELOPED OVER PARTS OF NORTHWEST GEORGIA SATURDAY EVENING CONTINUE EARLY SUNDAY MORNING. AT 1215 AM EDT RADAR SHOWED LOCALLY HEAVY RAIN FALLING FROM STORMS BETWEEN ROME AND CALHOUN...BETWEEN ROME AND CARTERSVILLE...AND IN LAMAR COUNTY NEAR BARNESVILLE. THESE SHOWERS AND STORMS WERE MOVING SOUTH AT ABOUT 10 MPH. THIS SLOW MOVEMENT MAY RESULT IN SOME FLOODING OF ROADWAYS...LOW LYING AREAS...AND FLOODPRONE AREAS. IF HEAVY RAIN FALLS AND PERSISTS IN YOUR AREA...BE PREPARED FOR POSSIBLE FLOODING. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE T&HROUGH WATER OF UNKNOWN DEPTH ON ROADWAYS.
Special weather statement, Sep 8, 2:42 AM EDT, 1 hour 54 minutes before
GAZ001-GAZ003-GAZ005-080800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 240 AM EDT SUN SEP 8 1991 AT 235 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED LOCALLY HEAVY RAINSHOWERS AND THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORMS WERE LOCATED NEAR CEDARTOWN IN POLK COUNTY...OVER GORDON COUNTY NEAR CALHOUN...AND OVER FLOYD COUNTY NORTHEAST OF ROME. THESE SHOWERS AND STORMS WERE MOVING VERY SLOWLY SOUTHEAST. DUE TO THE VERY SLOW MOVEMENT OF THESE SHOWERS AND STORMS...LOCALIZED FLOODING IS A THREAT. THE POTENTIAL FOR FLASH FLOODS EXISTS OVER ROADS AND OTHER LOW-LYING OR FLOODPRONE AREAS. IF HEAVY RAIN DEVELOPES AND CONTINUES IN YOUR AREA...BE PREPARED FOR POSSIBLE FLOODING. MOTORISTS SHOULD NOT DRIVE THROUGH STANDING WATER OR WATER OF UNKNOW DEPTH ON ROADWAYS.
Nearby
Flash Flood Warnings in Georgia, 1991Every flash flood warning in 1991
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.