Alert archive / Georgia / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 151, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 17, 1989, 1:04 PM EDT for Bibb County, Georgia. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 17, 1989, 1:04 PM EDT (17:04 UTC)
- Expired
- Aug 17, 1989, 1:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Bibb County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 17, 1:25 PM EDT | Hail 0.75 | Bibb, GA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 5.1 hours before the alert went out and 132 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
- 831 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 872 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCN 171705
SVRMCN
GAC021-171745-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
104 PM EDT THU AUG 17 1989
THE NATIONAL WEATHER SERVICE IN MACON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL GEORGIA
...BIBB
AT 1:00 PM MACON RADAR SHOWED A SEVERE THUNDERSTORM 10 MILES
NORTHWEST OF MACON MOVING EAST 25 MILES AN HOUR. THIS THUNDERSTORM
CONTAINS HAIL.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.What forecasters said that day
The local office's own words before this severe thunderstorm 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, Aug 17, 9:14 AM EDT, 3 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 915 AM EDT THU AUG 17 1989 AT 915 AM RADAR INDICATED A STRONG THUNDERSTORM IN NORTHWEST GEORGIA. THIS STORM WAS LOCATED NEAR THE PAULDING AND CARROLL COUNTY BORDER BETWEEN DALLAS AND VILLA RICA. THIS STORM WAS MOVING TO THE SOUTHEAST AT ABOUT 25 MPH. THE STORM SHOULD MOVE INTO THE NORTHWEST PORTION OF DOUGLAS COUNTY WITH THE NEXT HALF HOUR. THIS STORM IS CAPABLE OF PRODUCINoG HEAVY RAIN...SMALL HAIL AND FREQUENT DANGEROUS LIGHTNING. PERSONS IN THE PATH OF THIS STORM ARE ADVISED TO SEEK SHELTER TO AVOID THE DANGEROUS LIGHTNING.
Special weather statement, Aug 17, 10:02 AM EDT, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1000 AM EDT THU AUG 17 1989 ...STRONG THUNDERSTORM OVER WESTERN PORTIONS OF THE METRO AREA... AT 1000 AM RADAR INDICATED A STRONG THUNDERSTORM IN NORTHWEST GEORGIA. THIS STORM EXTENDED FROM SOUTHERN COBB COUNTY...ALONG THE CHATTAHOOCHEE RIVER TO NEAR FAIRBURN IN SOUTHERN FULTON COUNTY. THIS STORM WAS MOVING TO THE EAST AT ABOUT 20 MPH. THE STORM SHOULD MOVE OVER THE FULTON COUNTY AND HARTSFIELD AIRPORTS WITHIN THE NEXT HOUR AS IT HEADS EAST OVER FULTON...COBB...AND NORTHERN PORTIONS OF CLAYTON COUNTY. THIS STORM IS CAPABLE OF PRODUCING HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND GUSTY WINDS. PERSONS IN THE PATH OF THIS STORM ARE ADVISED TO SEEK SHELTER TO AVOID THE DANGEROUS LIGHTNING.
Special weather statement, Aug 17, 12:23 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
1223 PM EDT THU AUG 17 1989
...THUNDERSTORMS APPROACHING CENTRAL GEORGIA...
AT 1215 PM MACON WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS
FROM 15 MILES NORTHWEST OF FORSYTH IN LAMAR COUNTY TO NORTH OF
ROBERTA IN CRAWFORD COUNTY TO 5 MILES WEST OF MASHALLVILLE IN MACON
COUNTY. THE STORMS HAD VERY HEAVY RAIN AND FREQUENT LIGHTNING.
THEY WERE MOVING EAST 20 MILES AN HOUR.
THESE STORMS DEVELOPED RAPIDLY AND MAY APPROACH SEVERE INTENSITY
SOON. STAY TUNED TO RADIO FOR WARNINGS OR FURTHER STATEMENTS ON
THE PROGRESS OF THESE STORMS. PERSONS IN PEACH...CRAWFORD...AND MONROE
COUNTIES BE VERY WATCHFUL ESPECIALLY TO WEATHER APPROACHING UFROM
THE WEST.The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 2:06 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Jones | 54 min |
| Aug 17, 5:02 PM EDT | Severe Thunderstorm Warning | FFC | Burke, Richmond | 58 min |
| Aug 17, 5:38 PM EDT | Severe Thunderstorm Warning | FFC | Burke | 52 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1989Every severe thunderstorm warning in 1989
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.