Alert archive / Georgia / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 237, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 12, 2000, 1:32 PM EDT for Clayton County, Henry County, Spalding County, Georgia. It was in force for 28 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 12, 2000, 1:32 PM EDT (17:32 UTC)
- Expired
- Jul 12, 2000, 2:00 PM EDT
- In force
- 28 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Clayton County, GA, Henry County, GA, Spalding County, GA
The radar
The Atlanta radar (KFFC), 21 km from the middle of the area, began a volume at 17:31 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 |
|---|---|---|---|
| Jul 12, 1:35 PM EDT | Thunderstorm Wind | Hampton, GA | The public reported some trees down and several shingles blown off the roof of a house. |
| Jul 12, 1:35 PM EDT | Thunderstorm Wind | Griffin, GA | The Spalding county 911 center reported powerlines down in the southern part of Griffin. |
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, 5.5 hours before the alert went out and 15 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
- 778 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1345 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
212 WUUS52 KFFC 121732 SVRATL GAC063-113-151-255-121800- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 132 PM EDT WED JUL 12 2000 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN CLAYTON COUNTY IN NORTH CENTRAL GEORGIA SOUTHEASTERN FAYETTE COUNTY IN NORTH CENTRAL GEORGIA SOUTHERN HENRY COUNTY IN NORTH CENTRAL GEORGIA SPALDING COUNTY IN WEST CENTRAL GEORGIA * UNTIL 200 PM EDT * AT 125 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTH OF FAYETTEVILLE...MOVING EAST AT 20 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE LOVEJOY...LOCUST GROVE... HAMPTON...GRIFFIN...EXPERIMENT AND EAST GRIFFIN. LARGE HAIL...DAMAGING WINDS AND TORRENTIAL RAIN ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE THE STORM PASSES. IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 7 7 0 4 8 6 1 1 3 3 AT EXTENSION 2 0 4. LAT...LON 3347 8448 3329 8453 3319 8414 3340 8407
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 8:51 PM EDT | Severe Thunderstorm Warning | FFC | Gwinnett | 39 min |
| Jul 12, 1:32 PM EDT | Severe Thunderstorm Warning | FFC | Fayette | 28 min |
| Jul 12, 1:57 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Twiggs | 33 min |
| Jul 12, 2:04 PM EDT | Severe Thunderstorm Warning | FFC | Lamar, Monroe | 26 min |
| Jul 12, 2:11 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Henry, Spalding | 34 min |
| Jul 12, 2:19 PM EDT | Severe Thunderstorm Warning | FFC | Laurens, Wilkinson | 26 min |
| Jul 12, 2:27 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Twiggs | 33 min |
| Jul 12, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Johnson, Laurens, Treutlen | 40 min |
| Jul 12, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel | 40 min |
| Jul 12, 3:25 PM EDT | Severe Thunderstorm Warning | FFC | Dooly, Macon | 50 min |
| Jul 12, 5:53 PM EDT | Severe Thunderstorm Warning | FFC | Walton | 22 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2000Every severe thunderstorm warning in 2000
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.