Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 197, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 13, 1999, 7:26 PM EDT for Floyd County, Georgia. It was in force for 34 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
- May 13, 1999, 7:26 PM EDT (23:26 UTC)
- Expired
- May 13, 1999, 8:00 PM EDT
- In force
- 34 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Floyd County, GA
The radar
The Northeast Alabama radar (KHTX), 109 km from the middle of the area, began a volume at 23:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 13, 7:26 PM EDT | Hail 1.75 | Armuchee, GA | The public reported dime to golfball size hail. |
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.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.4 hours before the alert went out and 188 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
- 904 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KATL 132324 RRA SVRATL GAC115-140000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 726 PM EDT THU MAY 13 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FLOYD COUNTY * UNTIL 800 PM EDT * AT 725 PM... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 6 MILES NORTHWEST OF ROME... MOVING SOUTHEAST AT 20 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... ROME AROUND 740 PM SHANNON AROUND 750 PM LINDALE AROUND 750 PM SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4.
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, May 13, 4:50 PM EDT, 2 hours 36 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>073-075-078-079- 132200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 450 PM EDT THU MAY 13 1999 STRONG TO SEVERE THUNDERSTORMS CONTINUE TO MOVE ACROSS NORTH GEORGIA THIS AFTERNOON. CLUSTERS OF STRONG TO SEVERE THUNDERSTORMS FROM BANKS COUNTY...TO ATLANTA...TO FRANKLIN...WERE MOVING EAST AT 25 TO 30 MPH. SOME OF THESE STORMS WILL PRODUCE LARGE HAIL...TORRENTIAL DOWNPOURS...AND FREQUENT CLOUD TO GROUND LIGHTNING. THESE STORMS WILL LIKELY MOVE THROUGH NEWNAN...COVINGTON...AND JUST TO THE NORTH OF ATHENS BETWEEN 500 PM AND 600 PM. OTHER STRONG STORMS WERE SCATTERED BETWEEN ATLANTA AND CEDARTOWN... AND ALSO JUST TO THE NORTH OF COLUMBUS. THESE STORMS WILL ALSO MOVE EAST AT 25 TO 30 MPH...AND WILL LIKELY CONTAIN HAIL AND TORRENTIAL DOWNPOURS. IF THE WEATHER LOOKS THREATENING...SEEK SHELTER IMMEDIATELY. REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4.
Special weather statement, May 13, 4:50 PM EDT, 2 hours 36 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>073-075-078-079- 132200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 450 PM EDT THU MAY 13 1999 STRONG TO SEVERE THUNDERSTORMS CONTINUE TO MOVE ACROSS NORTH GEORGIA THIS AFTERNOON. CLUSTERS OF STRONG TO SEVERE THUNDERSTORMS FROM BANKS COUNTY...TO ATLANTA...TO FRANKLIN...WERE MOVING EAST AT 25 TO 30 MPH. SOME OF THESE STORMS WILL PRODUCE LARGE HAIL...TORRENTIAL DOWNPOURS...AND FREQUENT CLOUD TO GROUND LIGHTNING. THESE STORMS WILL LIKELY MOVE THROUGH NEWNAN...COVINGTON...AND JUST TO THE NORTH OF ATHENS BETWEEN 500 PM AND 600 PM. OTHER STRONG STORMS WERE SCATTERED BETWEEN ATLANTA AND CEDARTOWN... AND ALSO JUST TO THE NORTH OF COLUMBUS. THESE STORMS WILL ALSO MOVE EAST AT 25 TO 30 MPH...AND WILL LIKELY CONTAIN HAIL AND TORRENTIAL DOWNPOURS. IF THE WEATHER LOOKS THREATENING...SEEK SHELTER IMMEDIATELY. REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4.
Special weather statement, May 13, 6:03 PM EDT, 1 hour 23 minutes before
GAZ036>039-048>051-054>062-066>073-078>081-091-092-103-132303- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 603 PM EDT THU MAY 13 1999 STRONG TO SEVERE THUNDERSTORMS MOVING OUT OF NORTH GEORGIA AND INTO CENTRAL GEORGIA THIS EVENING. A BAND OF STRONG TO SEVERE THUNDERSTORMS FROM LEXINGTON...TO MCDONOUGH...TO WEST OF HAMILTON...WILL DRIFT SLOWLY SOUTH...WHILE THE INDIVIDUAL STORMS MOVE EAST AT 25 TO 30 MPH. THESE STORMS WILL LIKELY PRODUCE HAIL...VERY HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING...AND GUSTY WINDS. THE STRONGER STORMS WILL MOVE INTO THE CITY OF HAMILTON...AND ALSO MONROE...BUTTS...JASPER...AND JONES COUNTIES. ANOTHER STRONG STORM WAS JUST EAST OF COLUMBUS AND THIS STORM WILL MOVE ALONG THE TALBOT AND MARION COUNTY LINE...AND TO NEAR BUTLER BETWEEN 630 PM AND 700 PM. IF THE WEATHER LOOKS THREATENING...SEEK SHELTER IMMEDIATELY. REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4.
Special weather statement, May 13, 7:17 PM EDT, 9 minutes before
GAZ091>093-103>110-140030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 717 PM EDT THU MAY 13 1999 STRONG THUNDERSTORMS MOVING ACROSS PARTS OF CENTRAL GEORGIA THIS EVENING. AN AREA OF VERY STRONG THUNDERSTORMS FROM JUST SOUTH OF COLUMBUS...TO PRESTON...TO SYLVESTER WAS MOVING EAST AT 25 TO 30 MPH. THESE STORMS WILL MOVE INTO MARION...SCHLEY...SUMTER...DOOLY...AND CRISP COUNTIES BY 800 PM...AND INTO HAWKINSVILLE...EASTMAN...AND MCRAE BETWEEN 800 PM AND 830 PM. THESE STORMS WILL LIKELY PRODUCE HAIL...VERY HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING...AND GUSTY WINDS. IF THE WEATHER LOOKS THREATENING...SEEK SHELTER IMMEDIATELY. REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4. REMEMBER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM FOR THOSE AREAS ALONG AND EAST OF THE OCMULGEE RIVER.
Special weather statement, May 13, 7:17 PM EDT, 9 minutes before
GAZ091>093-103>110-140030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 717 PM EDT THU MAY 13 1999 STRONG THUNDERSTORMS MOVING ACROSS PARTS OF CENTRAL GEORGIA THIS EVENING. AN AREA OF VERY STRONG THUNDERSTORMS FROM JUST SOUTH OF COLUMBUS...TO PRESTON...TO SYLVESTER WAS MOVING EAST AT 25 TO 30 MPH. THESE STORMS WILL MOVE INTO MARION...SCHLEY...SUMTER...DOOLY...AND CRISP COUNTIES BY 800 PM...AND INTO HAWKINSVILLE...EASTMAN...AND MCRAE BETWEEN 800 PM AND 830 PM. THESE STORMS WILL LIKELY PRODUCE HAIL...VERY HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING...AND GUSTY WINDS. IF THE WEATHER LOOKS THREATENING...SEEK SHELTER IMMEDIATELY. REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT 770-486-1133 AT EXTENSION 2 0 4. REMEMBER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM FOR THOSE AREAS ALONG AND EAST OF THE OCMULGEE RIVER.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 12:25 PM EDT | Tornado Warning | FFC | Fannin | 20 min |
| May 13, 1:08 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga | 32 min |
| May 13, 1:38 PM EDT | Severe Thunderstorm Warning | FFC | Floyd, Gordon | 47 min |
| May 13, 1:48 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Walker | 47 min |
| May 13, 2:01 PM EDT | Severe Thunderstorm Warning | FFC | Bartow | 34 min |
| May 13, 2:18 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 47 min |
| May 13, 2:25 PM EDT | Severe Thunderstorm Warning | FFC | Polk | 50 min |
| May 13, 2:26 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 34 min |
| May 13, 2:41 PM EDT | Severe Thunderstorm Warning | FFC | Bartow | 34 min |
| May 13, 2:56 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Heard | 34 min |
| May 13, 2:56 PM EDT | Severe Thunderstorm Warning | FFC | Haralson | 34 min |
| May 13, 2:59 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 36 min |
| May 13, 3:04 PM EDT | Severe Thunderstorm Warning | FFC | Paulding | 51 min |
| May 13, 3:07 PM EDT | Severe Thunderstorm Warning | FFC | Washington | 48 min |
| May 13, 3:11 PM EDT | Severe Thunderstorm Warning | FFC | Douglas | 49 min |
| May 13, 3:17 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Forsyth | 48 min |
| May 13, 3:28 PM EDT | Severe Thunderstorm Warning | FFC | Coweta | 47 min |
| May 13, 3:32 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Fulton | 48 min |
| May 13, 3:51 PM EDT | Severe Thunderstorm Warning | FFC | Hall | 49 min |
| May 13, 3:57 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, DeKalb | 48 min |
| May 13, 3:57 PM EDT | Severe Thunderstorm Warning | FFC | Fayette | 48 min |
| May 13, 4:08 PM EDT | Tornado Warning | FFC | Forsyth, Hall | 32 min |
| May 13, 4:11 PM EDT | Tornado Warning | FFC | Coweta | 19 min |
| May 13, 4:17 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Jackson | 33 min |
| May 13, 4:29 PM EDT | Severe Thunderstorm Warning | FFC | Henry, Rockdale | 31 min |
| May 13, 4:45 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Madison | 35 min |
| May 13, 4:51 PM EDT | Severe Thunderstorm Warning | FFC | Spalding | 34 min |
| May 13, 4:57 PM EDT | Severe Thunderstorm Warning | FFC | Coweta | 33 min |
| May 13, 5:03 PM EDT | Severe Thunderstorm Warning | FFC | Clarke, Jackson | 17 min |
| May 13, 5:08 PM EDT | Tornado Warning | FFC | Butts, Spalding | 17 min |
| May 13, 5:26 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel | 34 min |
| May 13, 5:27 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Jasper | 33 min |
| May 13, 5:32 PM EDT | Severe Thunderstorm Warning | FFC | Madison, Oglethorpe | 18 min |
| May 13, 5:48 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Henry, Spalding | 37 min |
| May 13, 5:52 PM EDT | Severe Thunderstorm Warning | FFC | Pike | 33 min |
| May 13, 5:57 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 33 min |
| May 13, 6:09 PM EDT | Severe Thunderstorm Warning | FFC | Lamar | 36 min |
| May 13, 6:11 PM EDT | Severe Thunderstorm Warning | FFC | Putnam | 34 min |
| May 13, 6:18 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 32 min |
| May 13, 6:29 PM EDT | Severe Thunderstorm Warning | FFC | Pike, Upson | 36 min |
| May 13, 6:31 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 34 min |
| May 13, 6:47 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa | 33 min |
| May 13, 7:05 PM EDT | Severe Thunderstorm Warning | FFC | Gordon | 35 min |
| May 13, 7:14 PM EDT | Severe Thunderstorm Warning | FFC | Webster | 36 min |
| May 13, 7:16 PM EDT | Severe Thunderstorm Warning | FFC | Murray | 34 min |
| May 13, 7:39 PM EDT | Severe Thunderstorm Warning | FFC | Sumter | 51 min |
| May 13, 7:44 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 36 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999
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; radar from the NEXRAD Level II archive.