Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 670, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 23, 1999, 11:28 PM EDT for Jasper County, Putnam County, Georgia. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 23, 1999, 11:28 PM EDT (03:28 UTC)
- Expired
- Aug 24, 1999, 12:00 AM EDT
- In force
- 32 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Jasper County, GA, Putnam County, GA
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.5 hours before the alert went out and 90 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
- 436 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1472 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 240328 RRA SVRATL GAC159-237-240400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1128 PM EDT MON AUG 23 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN JASPER COUNTY IN NORTHEASTERN GEORGIA WESTERN PUTNAM COUNTY IN NORTHEASTERN GEORGIA * UNTIL MIDNIGHT EDT * AT 1127 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 7 MILES NORTHEAST OF MONTICELLO OR 6 MILES NORTHWEST OF WILLARD... MOVING NORTH AT LESS THAN 5 MPH. * THIS STORM WILL REMAIN OVER RURAL AREAS. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVEREj 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
Local storm report, Aug 23, 10:15 PM EDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1015 PM EDT MON AUG 23 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
315 PM 3.5W CALHOUN GA WIND DAMAGE
08/23/99 GORDON 2-3FT DIAMETER TREE
DOWN ON A POWER LINE
ON DEWS POND RD.
315 PM CALHOUN GA WIND DAMAGE
08/23/99 GORDON 2 TREES BLOWN DOWN
ON POWER LINES.
330 PM DALTON GA WIND DAMAGE
08/23/99 WHITFIELD WIND BLEW INSULATOR OFF
POWER LINE AND ALSO BLEW
DOWN A POLE KNOCKING THE
ENTIRE LINE OUT.
445 PM THOMAS CROSSROADS GA 58 MPH TSTM GUST
08/23/99 COWETA OFF DUTY HYDROLOGIST
RECORDED G50KT WITH
HAND-HELD ANEMOMETER.
600 PM ALPHARETTA GA WIND DAMAGE
08/23/99 FULTON 10 LARGE TREES BLOWN DOWN
AT A SINGLE RESIDENCE.
610 PM RINGGOLD GA WIND DAMAGE
08/23/99 CATTOOSA TREE DOWN ON A POWER LINE
AND ANOTHER TREE DOWN ON
A HOUSE.Local storm report, Aug 23, 10:15 PM EDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1015 PM EDT MON AUG 23 1999
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
315 PM 3.5W CALHOUN GA WIND DAMAGE
08/23/99 GORDON 2-3FT DIAMETER TREE
DOWN ON A POWER LINE
ON DEWS POND RD.
315 PM CALHOUN GA WIND DAMAGE
08/23/99 GORDON 2 TREES BLOWN DOWN
ON POWER LINES.
330 PM DALTON GA WIND DAMAGE
08/23/99 WHITFIELD WIND BLEW INSULATOR OFF
POWER LINE AND ALSO BLEW
DOWN A POLE KNOCKING THE
ENTIRE LINE OUT.
445 PM THOMAS CROSSROADS GA 58 MPH TSTM GUST
08/23/99 COWETA OFF DUTY HYDROLOGIST
RECORDED G50KT WITH
HAND-HELD ANEMOMETER.
600 PM ALPHARETTA GA WIND DAMAGE
08/23/99 FULTON 10 LARGE TREES BLOWN DOWN
AT A SINGLE RESIDENCE.
610 PM RINGGOLD GA WIND DAMAGE
08/23/99 CATTOOSA TREE DOWN ON A POWER LINE
AND ANOTHER TREE DOWN ON
A HOUSE.The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 12:03 PM EDT | Severe Thunderstorm Warning | FFC | Newton | 32 min |
| Aug 24, 12:28 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Morgan | 32 min |
| Aug 24, 4:08 PM EDT | Severe Thunderstorm Warning | FFC | Meriwether | 32 min |
| Aug 24, 4:26 PM EDT | Severe Thunderstorm Warning | FFC | Macon, Taylor | 34 min |
| Aug 24, 6:10 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel | 20 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; the sounding from the Mesonet's radiosonde archive.