Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 89, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 27, 1999, 3:59 PM EDT for Crawford County, Peach County, Georgia. It was in force for 36 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
- Apr 27, 1999, 3:59 PM EDT (19:59 UTC)
- Expired
- Apr 27, 1999, 4:35 PM EDT
- In force
- 36 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Crawford County, GA, Peach County, GA
The radar
The Robins AFB radar (KJGX), 52 km from the middle of the area, began a volume at 19:54 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.0 hours before the alert went out and 98 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
- 23 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 1180 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KATL 271958 RRA SVRATL GAC079-225-272035- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 359 PM EDT TUE APR 27 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CRAWFORD COUNTY IN CENTRAL GEORGIA PEACH COUNTY IN CENTRAL GEORGIA * UNTIL 435 PM EDT * AT 358 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 4 MILES WEST OF POWERSVILLE... MOVING EAST AT 20 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... MIAMI VALLEY AROUND 400 PM EDT POWERSVILLE AROUND 405 PM EDT BYRON AROUND 415 PM EDT 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, Apr 27, 1:00 PM EDT, 2 hours 59 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-272100- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 100 PM EDT TUE APR 27 1999 THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON AND THIS EVENING. AN APPROACHING COLD FRONT WILL MOVE INTO MOIST AND UNSTABLE AIR ACROSS GEORGIA THIS AFTERNOON AND EVENING...PRODUCING SCATTERED THUNDERSTORMS. A FEW STORMS MAY BECOME SEVERE THIS AFTERNOON...CONTINUING INTO THIS EVENING. THE GREATEST THREAT WILL BE LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS AFTERNOON.
Special weather statement, Apr 27, 1:00 PM EDT, 2 hours 59 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-272100- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 100 PM EDT TUE APR 27 1999 THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS ACROSS NORTH AND CENTRAL GEORGIA THIS AFTERNOON AND THIS EVENING. AN APPROACHING COLD FRONT WILL MOVE INTO MOIST AND UNSTABLE AIR ACROSS GEORGIA THIS AFTERNOON AND EVENING...PRODUCING SCATTERED THUNDERSTORMS. A FEW STORMS MAY BECOME SEVERE THIS AFTERNOON...CONTINUING INTO THIS EVENING. THE GREATEST THREAT WILL BE LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS AFTERNOON.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 2:17 PM EDT | Severe Thunderstorm Warning | FFC | Harris, Marion, Talbot | 48 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; radar from the NEXRAD Level II archive.