Alert archive / Georgia / Flash Flood Warnings in 1991
Flash Flood Warning 15, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 5, 1991, 6:23 PM EDT for Jones County, Georgia. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 5, 1991, 6:23 PM EDT (22:23 UTC)
- Expired
- Jul 5, 1991, 9:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Jones County, GA
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 10.4 hours before the alert went out and 106 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
- 178 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMCN 052224 FFWMCN GAC021-153-169-289-060130- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MACON GA 623 PM EDT FRI JUL 5 1991 THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL GEORGIA ...BIBB COUNTY...HOUSTON COUNTY...JONES COUNTY...TWIGGS COUNTY AT 620 PM VERY HEAVY RAIN CONTINUED ACROSS A NARROW BAND OF CENTRAL GEORGIA FROM 40 MILES WEST OF MACON TO 30 MILES EAST OF MACON. THE LONG CONTINUOS CHAIN OF SHOWERS IS CAUSING VERY RAPID RISES IN CREEK LEVELS ALL ACROSS THE NARROW AREA FROM BIBB COUNTY THROUGH TWIGGS COUNTY. BE ESPECIALLY CAUTIOUS AT NIGHT WdHEN 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, Jul 5, 2:40 PM EDT, 3 hours 43 minutes before
GAZ-003-052000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 240 PM EDT FRI JUL 5 1991 ...THUNDERSTORMS DEVELOP OVER NORTHWEST GEORGIA... AT 240 PM EDT...NATIONAL WEATHER SERVICE RADAR IN ATLANTA INDICATED THAT THUNDERSTORMS AND SHOWERS WERE DEVELOPING OVER NORTHWEST GEORGIA. THE STRONGEST STORMS WERE NEAR BROOKS AND VAUGHN IN SOUTH FAYETTE COUNTY... AND 15 MILES WEST OF WILLIAMSON IN NORTH MERIWETHER COUNTY. THESE STORMS WERE MOVING EAST NEAR 20 MPH. THE STORMS HAVE BEEN ACCOMPANIED BY HEAVY RAIN...GUSTY WIND AND INTENSE LIGHTNING. CONVECTIVE ACTIVITY WILL CONTINUE OVER NORTHWEST GEORGIA WITH FURTHER DEVELOPMENT EXPECTED EXPECTED DURING THE AFTERNOON. PERSONS SHOUL|D REMAIN ON ALERT AS THESE THUNDERSTORMS DEVELOP AND KEEP INFORMNED BY LISTENING TO NOAA WEATHER RADIO OR LOCAL MEDIA.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 4:12 PM EDT | Severe Thunderstorm Warning | FFC | Bibb | 48 min |
| Jul 5, 6:23 PM EDT | Flash Flood Warning | FFC | Bibb, Houston, Twiggs | 3 hr |
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.