Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 189, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 13, 1999, 6:11 PM EDT for Putnam 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, 6:11 PM EDT (22:11 UTC)
- Expired
- May 13, 1999, 6:45 PM EDT
- In force
- 34 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Putnam County, GA
The radar
The Robins AFB radar (KJGX), 72 km from the middle of the area, began a volume at 22:11 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, 6:30 PM EDT | Thunderstorm Wind 50 EG | Flat Rock, GA | The public reported thunderstorm winds knocked a tree onto a mobile home, causing damage. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 13, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 10.2 hours before the alert went out and 317 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.
000 TTAA00 KATL 132209 RRA SVRATL GAC237-132245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 611 PM EDT THU MAY 13 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN PUTNAM COUNTY * UNTIL 645 PM EDT * AT 610 PM... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 3 MILES WEST OF STANFORDVILLE... MOVING EAST AT 20 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... WILLARD AROUND 615 PM STANFORDVILLE AROUND 615 PM WARFIELD AROUND 630 PM NONA AROUND 640 PM TO AVOID BEING STRUCK BY LIGHTTNING...STAY INDOORS AND AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES...UNLESS IN AN EMERGENCY. 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, 1 hour 21 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, 1 hour 21 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, 8 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.
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, 6:18 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, 7:26 PM EDT | Severe Thunderstorm Warning | FFC | Floyd | 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.