Alert archive / Georgia / Flash Flood Warnings in 1991

Flash Flood Warning 2, NWS Atlanta, GA

January 30, 1991Bibb County, Houston County, Peach County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jan 30, 1991, 11:55 AM EST for Bibb County, Houston County, Peach County, Georgia. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jan 30, 1991, 11:55 AM EST (16:55 UTC)
Expired
Jan 30, 1991, 2:00 PM EST
In force
2 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Bibb County, GA, Houston County, GA, Peach County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 4.9 hours before the alert went out and 154 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 1991-01-30Temperature 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 12:00Z on 1991-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897117Sfc1 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
797 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
180 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 301657
FFWMCN
GAC021-079-153-225-289-319-301900-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MACON GA
1155 AM EST WED JAN 30 1991
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  200 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...BIBB COUNTY...CRAWFORD COUNTY...HOUSTON COUNTY...PEACH COUNTY
   ...TWIGGS COUNTY...WILKINSON COUNTY
 
AT 1155 AM EST WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS
APPROACHING MIDDLE GEORGIA FROM THE WEST BRINGING ADDITIONAL HEAVY
RAINS TO THE AREA.  THE STREET AND URBAN FLOODING OCCURRING NOW
WILL WORSEN... AND SMALL STREAMS ARE ALSO IN DANGER OF FLOODING.
 
 
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.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
_

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, Jan 30, 5:58 AM EST, 5 hours 57 minutes before
GAZ002-004-301430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
6 AM EST WED JAN 30 1991

...DENSE FOG HAS FORMED OVER NORTHEAST GEORGIA THIS MORNING...

DENSE FOG WAS THE RULE OVER MANY LOCATIONS OF NORTHEAST GEORGIA
EARLY THIS MORNING.  THE DENSE FOG ALONG WITH RAIN SLICK ROADS
RESULTS IN DANGEROUS DRIVING CONDITIONS.

VISIBILITIES MAY NOT IMPROVE UNTIL MID MORNING.  MOTORIST ARE URGED
TO SLOW DOWN AND ALLOW EXTRA TIME FOR TRAVEL.
Special weather statement, Jan 30, 7:44 AM EST, 4 hours 11 minutes before
GAZ005-ALZ012-301345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
643 AM CST WED JAN 30 1991

...TORNADO WATCH NUMBER 6 FOR MOST OF SOUTHERN ALABAMA
INCLUDING RUSSELL AND BARBOUR COUNTIES WILL EXPIRE AT
7AM CST.

AT 635 AM CST COLUMBUS WEATHER RADAR WAS SHOWING LIGHT TO
MODERATE RAIN AND A FEW THUNDERSTORMS ALL ACROSS EAST
CENTRAL ALABAMA AND WEST CENTRAL GEORGIA. THE STRONGEST STORM
WAS 8 MILES WEST OF COLUMBUS WITH THUNDERSTORMS SCATTERED
SOUTHWEST TO NORTH OF UNION SPRINGS. ALSO A LONE THUNDERSTORM
JUST EAST OF HURTSBORO. THESE STORMS WERE MOVING NORTHEAST
AT 35 MILES AN HOUR.

PERSONS ACROSS EAST CENTRAL ALABAMA AND WEST CENTRAL GEORGIA
..INCLUDING THE COLUMBUS/PHENIX CITY AREA..SHOULD BE READY TO
SEEK PROTECTIVE SHELTER WHEN THESE STORMS COME NEAR. THESE
STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN..DANGEROUS
LIGHTNING AND STRONG GUSTY WINDS TO NEAR 50 MILES AN HOUR.
FLOODING OF STREETS AND LOW LYING AREAS ARE BECOMING A PROBLEM
IN COLUMBUS AND PHENIX CITY. STREAMS AND CREEKS ARE ALSO NEAR
BANKFULL. CAUTION IS ADVISED TO ALL WHO LIVE IN FLOOD PRONE
AREAS TO KEEP A CLOSE WATCH ON POSSIBLE FLOODING. LISTEN TO
NOAA WEATHER RADIO OR OTHER NEWS MEYDIA FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.
Special weather statement, Jan 30, 10:43 AM EST, 1 hour 12 minutes before
GAZ005-008-301700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
1040 AM CST WED JAN 30 1991

...THUNDERSTORMS INCREASING OVER WEST CENTRAL AND SOUTHWEST GEORGIA...

AT 1035 AM EST RADAR INDICATED SEVERAL INTENSE THUNDERSTORMS IN AN
AREA FROM NEAR BUENA VISTA GEORGIA SOUTHWEST TO FORT GAINES GEORGIA.
MOVEMENT WAS EAST AT 35 MPH.

PEOPLE IN WEST CENTRAL AND SOUTHWEST GEORGIA...NEAR AND EAST OF THESE
THUNDERSTORMS SHOULD WATCH FOR THREATENING WEATHER THE NEXT HOUR OR
TWO.  IN ADDITION TO STRONG GUSTY WINDS AND DANGEROUS LIGHTNING...
WATCH FOR POSSIBLE FLOODING OF ROADWAYS AND OTHER POOR DRAINAGE AREAS.
LISTEN TO NOAA WEATHER RADIO OR OTHER LOCAL NEWS MEDIA FOR LATER
STATEMExNTS OR POSSIBLE WARNINGS.
Special weather statement, Jan 30, 10:44 AM EST, 1 hour 11 minutes before
GAZ005-008-301700-

SPECIAL WEATHER STATEMENT...CORRECTED FOR TIME IN HEADING ONLY.
NATIONAL WEATHER SERVICE COLUMBUS GA
1040 AM EST WED JAN 30 1991

...THUNDERSTORMS INCREASING OVER WEST CENTRAL AND SOUTHWEST GEORGIA...

AT 1035 AM EST RADAR INDICATED SEVERAL INTENSE THUNDERSTORMS IN AN
AREA FROM NEAR BUENA VISTA GEORGIA SOUTHWEST TO FORT GAINES GEORGIA.
MOVEMENT WAS EAST AT 35 MPH.

PEOPLE IN WEST CENTRAL AND SOUTHWEST GEORGIA...NEAR AND EAST OF THESE
THUNDERSTORMS SHOULD WATCH FOR THREATENING WEATHER THE NEXT HOUR OR
TWO.  IN ADDITION TO STRONG GUSTY WINDS AND DANGEROUS LIGHTNING...
WATCH FOR POSSIBLE FLOODING OF ROADWAYS AND OTHER POOR DRAINAGE AREAS.
LISTEN TO NOAA WEATHER RADIO OR{ OTHER LOCAL NEWS MEDIA FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 11:55 AM ESTFlash Flood WarningFFCTwiggs, Wilkinson2 hr
Jan 30, 11:55 AM ESTFlash Flood WarningFFCCrawford2 hr
Jan 30, 12:42 PM ESTSevere Thunderstorm WarningFFCTurner63 min

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.