Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 528, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 24, 1999, 5:06 PM EDT for Forsyth County, Fulton County, Georgia. It was in force for 49 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
- Jul 24, 1999, 5:06 PM EDT (21:06 UTC)
- Expired
- Jul 24, 1999, 5:55 PM EDT
- In force
- 49 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Forsyth County, GA, Fulton County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 5:10 PM EDT | Hail 0.75 | Cumming, GA | The public reported dime size hail on Lake Lanier. |
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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.1 hours before the alert went out and 73 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
- 1875 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1103 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 242107 RRA SVRATL GAC117-121-242155- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 506 PM EDT SAT JUL 24 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FORSYTH COUNTY IN NORTHWESTERN GEORGIA NORTHERN FULTON COUNTY IN NORTHWESTERN GEORGIA * UNTIL 555 PM EDT * AT 504 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 6 MILES SOUTHWEST OF DREW... MOVING EAST AT 5 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE DUCKTOWN DREW...DUCKTOWN...AND CUMMING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. 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, Jul 24, 11:45 AM EDT, 5 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1145 AM EDT SAT JUL 24 1999 GAZ059>062-069-071>076-078>086-091>098-103>113-242101-BALDWIN-BIBB-BL ECKLEY-CRAWFORD-CRISP-DODGE-DOOLY-EMANUEL-GLASCOCK-HANCOCK-HARRIS-HOU STON-JASPER-JEFFERSON-JOHNSON-JONES-LAURENS-MACON-MARION-MONROE-MONTG OMERY-PEACH-PULASKI-PUTNAM-SCHLEY-SUMTER-TALBOT-TAYLOR-TELFAIR-TOOMBS -TREUTLEN-TWIGGS-UPSON-WARREN-WASHINGTON-WEBSTER-WHEELER-WILCOX-WILKI NSON- ...HEAT ADVISORY THIS AFTERNOON FOR MUCH OF CENTRAL GEORGIA... HIGH TEMPERATURES THIS AFTERNOON WILL REACH INTO THE MID AND UPPER 90S ACROSS CENTRAL AND SOUTH GEORGIA... AFTER REACHING THE MID TO UPPER 90S FRIDAY AFTERNOON. THESE TEMPERATURES... COMBINED WITH HUMIDITIES OF 40 TO 50 PERCENT...WILL PUSH THE HEAT INDEX TO NEAR 110 DEGREES AGAIN THIS AFTERNOON. IF YOU PLAN TO BE OUTSIDE...AVOID PROLONGED EXPOSURE OR STRENUOUS PHYSICAL ACTIVITY. WEAR LIGHT COLORED...LOOSE FITTING CLOTHING... AND DRINK PLENTY OF FLUIDS TO AVOID DEHYDRATION. PETS CAN ALSO SUCCUMB TO THE EFFECTS OF EXCESSIVE HEAT. INSURE PETS HAVE ADEQUATE DRINKING WATER AND A SHADY PLACE TO REST. DO NOT KEEP PETS OR CHILDREN IN CARS WITH THE WINDOWS ROLLED UP...EVEN PARTIALLY. TEMPERATURES INSIDE A CAR WITH THE WINDOWS UP CAN REACH OVER 150 DEGREES QUICKLY...RESULTING IN HEAT STROKE AND DEATH.
Special weather statement, Jul 24, 11:45 AM EDT, 5 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1145 AM EDT SAT JUL 24 1999 GAZ059>062-069-071>076-078>086-091>098-103>113-242101-BALDWIN-BIBB-BL ECKLEY-CRAWFORD-CRISP-DODGE-DOOLY-EMANUEL-GLASCOCK-HANCOCK-HARRIS-HOU STON-JASPER-JEFFERSON-JOHNSON-JONES-LAURENS-MACON-MARION-MONROE-MONTG OMERY-PEACH-PULASKI-PUTNAM-SCHLEY-SUMTER-TALBOT-TAYLOR-TELFAIR-TOOMBS -TREUTLEN-TWIGGS-UPSON-WARREN-WASHINGTON-WEBSTER-WHEELER-WILCOX-WILKI NSON- ...HEAT ADVISORY THIS AFTERNOON FOR MUCH OF CENTRAL GEORGIA... HIGH TEMPERATURES THIS AFTERNOON WILL REACH INTO THE MID AND UPPER 90S ACROSS CENTRAL AND SOUTH GEORGIA... AFTER REACHING THE MID TO UPPER 90S FRIDAY AFTERNOON. THESE TEMPERATURES... COMBINED WITH HUMIDITIES OF 40 TO 50 PERCENT...WILL PUSH THE HEAT INDEX TO NEAR 110 DEGREES AGAIN THIS AFTERNOON. IF YOU PLAN TO BE OUTSIDE...AVOID PROLONGED EXPOSURE OR STRENUOUS PHYSICAL ACTIVITY. WEAR LIGHT COLORED...LOOSE FITTING CLOTHING... AND DRINK PLENTY OF FLUIDS TO AVOID DEHYDRATION. PETS CAN ALSO SUCCUMB TO THE EFFECTS OF EXCESSIVE HEAT. INSURE PETS HAVE ADEQUATE DRINKING WATER AND A SHADY PLACE TO REST. DO NOT KEEP PETS OR CHILDREN IN CARS WITH THE WINDOWS ROLLED UP...EVEN PARTIALLY. TEMPERATURES INSIDE A CAR WITH THE WINDOWS UP CAN REACH OVER 150 DEGREES QUICKLY...RESULTING IN HEAT STROKE AND DEATH.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 9:00 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 20 min |
| Jul 23, 9:08 PM EDT | Severe Thunderstorm Warning | FFC | Wilcox | 17 min |
| Jul 23, 9:15 PM EDT | Severe Thunderstorm Warning | FFC | Dodge | 35 min |
| Jul 23, 9:22 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 18 min |
| Jul 24, 2:56 PM EDT | Severe Thunderstorm Warning | FFC | Whitfield | 34 min |
| Jul 24, 3:01 PM EDT | Severe Thunderstorm Warning | FFC | Harris, Troup | 34 min |
| Jul 24, 3:30 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth, Fulton, Gwinnett | 35 min |
| Jul 24, 3:47 PM EDT | Severe Thunderstorm Warning | FFC | Cobb | 33 min |
| Jul 24, 3:56 PM EDT | Severe Thunderstorm Warning | FFC | Polk | 34 min |
| Jul 24, 4:04 PM EDT | Severe Thunderstorm Warning | FFC | Bartow | 31 min |
| Jul 24, 4:09 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 36 min |
| Jul 24, 4:18 PM EDT | Severe Thunderstorm Warning | FFC | Cobb | 32 min |
| Jul 24, 4:25 PM EDT | Severe Thunderstorm Warning | FFC | Polk | 50 min |
| Jul 24, 4:29 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Oconee | 36 min |
| Jul 24, 4:32 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett | 48 min |
| Jul 24, 4:34 PM EDT | Severe Thunderstorm Warning | FFC | Forsyth | 51 min |
| Jul 24, 4:37 PM EDT | Severe Thunderstorm Warning | FFC | Heard | 48 min |
| Jul 24, 4:39 PM EDT | Severe Thunderstorm Warning | FFC | Fayette | 36 min |
| Jul 24, 4:44 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 51 min |
| Jul 24, 4:59 PM EDT | Severe Thunderstorm Warning | FFC | Clarke | 46 min |
| Jul 24, 5:02 PM EDT | Severe Thunderstorm Warning | FFC | Clayton | 48 min |
| Jul 24, 5:10 PM EDT | Severe Thunderstorm Warning | FFC | Newton | 50 min |
| Jul 24, 5:12 PM EDT | Severe Thunderstorm Warning | FFC | Carroll | 48 min |
| Jul 24, 5:16 PM EDT | Severe Thunderstorm Warning | FFC | Coweta | 49 min |
| Jul 24, 5:20 PM EDT | Severe Thunderstorm Warning | FFC | Henry | 50 min |
| Jul 24, 5:21 PM EDT | Severe Thunderstorm Warning | FFC | Rockdale | 49 min |
| Jul 24, 5:29 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 31 min |
| Jul 24, 5:42 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 48 min |
| Jul 24, 5:51 PM EDT | Severe Thunderstorm Warning | FFC | Butts | 49 min |
| Jul 24, 5:53 PM EDT | Severe Thunderstorm Warning | FFC | Fayette | 47 min |
| Jul 24, 6:02 PM EDT | Severe Thunderstorm Warning | FFC | Newton, Rockdale | 48 min |
| Jul 24, 6:11 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 49 min |
| Jul 24, 6:18 PM EDT | Severe Thunderstorm Warning | FFC | Clayton | 47 min |
| Jul 24, 6:21 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 49 min |
| Jul 24, 6:23 PM EDT | Severe Thunderstorm Warning | FFC | Greene | 47 min |
| Jul 24, 6:32 PM EDT | Severe Thunderstorm Warning | FFC | Morgan | 48 min |
| Jul 24, 6:44 PM EDT | Severe Thunderstorm Warning | FFC | Butts | 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.