Alert archive / Georgia / Flash Flood Warnings in 1991

Flash Flood Warning 10, NWS Atlanta, GA

June 1, 1991Crisp County, Dooly County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 1, 1991, 11:50 AM EDT for Crisp County, Dooly County, Georgia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 1, 1991, 11:50 AM EDT (15:50 UTC)
Expired
Jun 1, 1991, 2:45 PM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Crisp County, GA, Dooly County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 3.8 hours before the alert went out and 217 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 1991-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1271 joules per kilogram.LCLLFCEL10008507005003002001001 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 1991-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 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
1271 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1301 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
21 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 011551
FFWMCN
GAC081-093-011845-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MACON GA
1150 AM EDT SAT JUN 1 1991
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  245 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...CRISP COUNTY...DOOLY COUNTY
 
AT 1140 AM THUNDERSTORMS CONTINUED IN CENTRAL GEORGIA NEAR CORDELE
AND VIENNA AND WERE PRODUCING HEAVY RAIN. THE CORDELE POLICE
REPORTED STREAMS AND CREEKS WERE BEGINNING TO FILL IN THE NORTH
AND EAST PART OF CRISP COUNTY. IN SOUTHERN DOOLY COUNTY NEAR
RICHWOOD SOME OF THE HEAVIEST RAINS HAVE BEEN FALLING.
 
FLOODING OF STREAMS...CREEKS...AND LOW AREAS IS EXPECTED AS HEAVY
RAINS CONTINUE AND NO SIGNIFICANT MOVEMENT OF THESE THUNDERSTORMS
WAS SHOWN BY RADAR.
 
MOST DEATHS IN FLASH FLOODING 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.

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, Jun 1, 8:53 AM EDT, 2 hours 57 minutes before
GAZ008-009-011400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
853 AM EDT SAT JUN 1 1991

...SLOWING MOVING THUNDERSTORMS IN SOUTH CENTRAL GEORGIA WERE
PRODUCING HEAVY RAIN...

AT 845 AM RADAR IN MACON SHOWED SLOW MOVING THUNDERSTORMS FROM CORDELE
EAST TO FITZGERALD AND DOUGLAS. THEY WERE PRODUCING HEAVY RAIN...
STRONG GUSTY WINDS...AND FREQUENT LIGHTNING STRIKES. MOVEMENT WAS
SOUTH AT 5 MPH.

BECAUSE OF THE SLOW MOVEMENT OF THESE THUNDERSTORMS MINOR STREET
FLOODING CAN BE EXPECTED. LIGHTNING SAFETY RULES SHOULD ALSO BE
FOLLOWED. ALTHOUGH WET...OUTDOOR EVENTS SUCH AS GRADUATION MAY BE
ABLE TO RESUME AFTER 10 AM IF THE THUNDERSTORMS CONTINUE MOVING
SOUTH AT THEIR PRESENT SPEED.
Special weather statement, Jun 1, 10:58 AM EDT, 52 minutes before
GAZ006-008-009-011600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
1058 AM EDT SAT JUN 1 1991

AT 1045 AM RADAR IN MACON SHOWED THUNDERSTORMS CONTINUING IN CENTRAL
GEORGIA SOUTH OF MACON BETWEEN CORDELE AND VIENNA EASTWARD TO NEAR
FITZGERALD. MOVEMENT WAS NORTH AT 5 MPH.

THE THUNDERSTORM NORTH OF CORDELE IN CRISP COUNTY WAS THE STRONGEST
AND WAS PRODUCING VERY HEAVY RAIN. STRONG GUSTY WINDS AND SMALL
HAIL...ALONG WITH BRIEF MINOR FLOODING OF ROADS CAN BE EXPECTED
WITH THIS THUNDERSTORM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 4:17 AM EDTSevere Thunderstorm WarningFFCMeriwether28 min
Jun 1, 12:13 PM EDTSevere Thunderstorm WarningFFCCrisp47 min
Jun 1, 5:51 PM EDTSevere Thunderstorm WarningFFCJohnson39 min
Jun 1, 6:48 PM EDTSevere Thunderstorm WarningFFCTelfair42 min
Jun 1, 6:59 PM EDTSevere Thunderstorm WarningFFCScreven31 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.