Alert archive / Georgia / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 57, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 7, 1999, 5:05 PM EDT for Houston County, Peach County, Georgia. It was in force for 35 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
- Apr 7, 1999, 5:05 PM EDT (21:05 UTC)
- Expired
- Apr 7, 1999, 5:40 PM EDT
- In force
- 35 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Houston County, GA, Peach County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 7, 5:07 PM EDT | Hail 2 | Warner Robins, GA | Isolated to widely scattered afternoon thunderstorms developed over north and central Georgia. Numerous reports of hail ranging from dime to ping pong ball size were received as a storm moved across northern Houston county. Two of the reports were from off-dut |
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 118 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
- 90 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KATL 072107 RRA SVRATL GAC153-225-072140- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 505 PM EDT WED APR 7 1999 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HOUSTON COUNTY IN CENTRAL GEORGIA NORTHERN PEACH COUNTY IN CENTRAL GEORGIA * UNTIL 540 PM EDT * AT 502 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR 6 MILES WEST OF WARNER ROBINS...MOVING SOUTHEAST AT 15 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM ARE... WARNER ROBINS AROUND 515 PM EDT BONAIRE AROUND 525 PM EDT CLAYBED AROUND 530 PM EDT KATHLEEN AROUND 530 PM EDT PABST AROUND 535 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.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 5:24 PM EDT | Severe Thunderstorm Warning | FFC | Twiggs | 31 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.