Alert archive / Georgia / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 6, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 21, 2005, 1:07 PM EST for Gwinnett County, Georgia. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2005, 1:07 PM EST (18:07 UTC)
- Expired
- Feb 21, 2005, 1:30 PM EST
- In force
- 23 min
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
County Gwinnett County, GA
The radar
The Atlanta radar (KFFC), 84 km from the middle of the area, began a volume at 18:10 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, 6.1 hours before the alert went out and 80 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
- 88 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 553 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KFFC 211807 SVRFFC GAC135-211830- /O.NEW.KFFC.SV.W.0006.050221T1807Z-050221T1830Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 107 PM EST MON FEB 21 2005 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GWINNETT COUNTY IN NORTH CENTRAL GEORGIA * UNTIL 130 PM EST * AT 105 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. THIS STORM WAS LOCATED NEAR LILBURN...AND MOVING EAST AT 40 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUWANEE...LAWRENCEVILLE AND DACULA. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. LAT...LON 3406 8413 3388 8418 3384 8389 3404 8383 $$
1 follow-up statement
000 WWUS52 KFFC 211819 SVSFFC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 119 PM EST MON FEB 21 2005 GAC135-211830- /O.CON.KFFC.SV.W.0006.000000T0000Z-050221T1830Z/ GWINNETT- 119 PM EST MON FEB 21 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 130 PM EST FOR GWINNETT COUNTY... AT 115 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR LAWRENCEVILLE...MOVING EAST AT 40 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUWANEE...GRAYSON AND DACULA. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. LAT...LON 3406 8413 3388 8418 3384 8389 3404 8383 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 11:47 AM EST | Severe Thunderstorm Warning | FFC | Catoosa, Walker | 43 min |
| Feb 21, 12:01 PM EST | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 44 min |
| Feb 21, 12:32 PM EST | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 28 min |
| Feb 21, 12:52 PM EST | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 23 min |
| Feb 21, 1:15 PM EST | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 30 min |
| Feb 21, 1:28 PM EST | Severe Thunderstorm Warning | FFC | Barrow, Gwinnett, Walton | 47 min |
| Feb 21, 1:45 PM EST | Severe Thunderstorm Warning | FFC | Clarke, Oconee | 30 min |
| Feb 21, 2:29 PM EST | Severe Thunderstorm Warning | FFC | Oglethorpe, Wilkes | 46 min |
| Feb 21, 4:08 PM EST | Severe Thunderstorm Warning | FFC | Murray | 37 min |
| Feb 21, 4:19 PM EST | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 41 min |
| Feb 21, 4:26 PM EST | Severe Thunderstorm Warning | FFC | Chattooga, Walker | 49 min |
| Feb 21, 4:51 PM EST | Severe Thunderstorm Warning | FFC | Union | 39 min |
| Feb 21, 4:58 PM EST | Severe Thunderstorm Warning | FFC | Floyd, Gordon | 47 min |
| Feb 21, 5:03 PM EST | Severe Thunderstorm Warning | FFC | Lumpkin, Towns, White | 27 min |
| Feb 21, 5:11 PM EST | Severe Thunderstorm Warning | FFC | Dawson, Pickens | 34 min |
| Feb 21, 5:15 PM EST | Severe Thunderstorm Warning | FFC | Chattooga | 30 min |
| Feb 21, 5:20 PM EST | Severe Thunderstorm Warning | FFC | Bartow | 40 min |
| Feb 21, 5:34 PM EST | Severe Thunderstorm Warning | FFC | Floyd | 41 min |
| Feb 21, 5:42 PM EST | Severe Thunderstorm Warning | FFC | Cherokee | 48 min |
| Feb 21, 6:08 PM EST | Severe Thunderstorm Warning | FFC | Forsyth, Fulton | 52 min |
| Feb 21, 6:14 PM EST | Severe Thunderstorm Warning | FFC | Bartow, Paulding | 46 min |
| Feb 21, 6:28 PM EST | Severe Thunderstorm Warning | FFC | Gwinnett, Hall | 32 min |
| Feb 21, 6:30 PM EST | Severe Thunderstorm Warning | FFC | Cobb | 30 min |
| Feb 21, 6:34 PM EST | Severe Thunderstorm Warning | FFC | Hancock | 41 min |
| Feb 21, 6:39 PM EST | Severe Thunderstorm Warning | FFC | Baldwin, Washington | 51 min |
| Feb 21, 6:42 PM EST | Severe Thunderstorm Warning | FFC | Barrow | 48 min |
| Feb 21, 6:53 PM EST | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett | 52 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2005Every severe thunderstorm warning in 2005
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.