Alert archive / Georgia / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 77, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 20, 2003, 12:05 AM EST for Gwinnett County, Georgia. It was in force for 25 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
- Mar 20, 2003, 12:05 AM EST (05:05 UTC)
- Expired
- Mar 20, 2003, 12:30 AM EST
- In force
- 25 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), 79 km from the middle of the area, began a volume at 05:05 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 00:00Z, 5.1 hours before the alert went out and 75 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
- 753 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KFFC 200505 SVRATL GAC135-200530- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1204 AM EST THU MAR 20 2003 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GWINNETT COUNTY IN NORTH CENTRAL GEORGIA * UNTIL 1230 AM EST * AT 1204 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SNELLVILLE...MOVING NORTHEAST AT 20 MPH. * LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...DACULA... GRAYSON...LAWRENCEVILLE...LILBURN AND SNELLVILLE. HAIL TO THE SIZE OF DIMES CAN BE EXPECTED IN THE WARNED AREA. 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 3390 8421 3372 8402 3392 8381 3412 8388 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:04 PM EST | Tornado Warning | FFC | Taylor | 41 min |
| Mar 19, 7:12 PM EST | Severe Thunderstorm Warning | FFC | Coweta | 33 min |
| Mar 19, 7:16 PM EST | Severe Thunderstorm Warning | FFC | Crawford | 44 min |
| Mar 19, 7:44 PM EST | Tornado Warning | FFC | Taylor | 31 min |
| Mar 19, 7:49 PM EST | Severe Thunderstorm Warning | FFC | Bibb | 26 min |
| Mar 19, 7:52 PM EST | Severe Thunderstorm Warning | FFC | Twiggs | 23 min |
| Mar 19, 7:54 PM EST | Tornado Warning | FFC | Crawford, Peach | 36 min |
| Mar 19, 7:56 PM EST | Tornado Warning | FFC | Crawford, Peach | 34 min |
| Mar 19, 8:05 PM EST | Severe Thunderstorm Warning | FFC | Bibb | 25 min |
| Mar 19, 8:13 PM EST | Severe Thunderstorm Warning | FFC | Wilkinson | 32 min |
| Mar 19, 8:27 PM EST | Severe Thunderstorm Warning | FFC | Houston | 33 min |
| Mar 19, 8:36 PM EST | Severe Thunderstorm Warning | FFC | Wilkinson | 54 min |
| Mar 19, 8:40 PM EST | Severe Thunderstorm Warning | FFC | Wilkinson | 50 min |
| Mar 19, 8:45 PM EST | Severe Thunderstorm Warning | FFC | Baldwin | 45 min |
| Mar 19, 8:48 PM EST | Severe Thunderstorm Warning | FFC | Twiggs | 27 min |
| Mar 19, 9:10 PM EST | Severe Thunderstorm Warning | FFC | Hancock | 50 min |
| Mar 19, 9:14 PM EST | Severe Thunderstorm Warning | FFC | Twiggs, Wilkinson | 31 min |
| Mar 19, 9:46 PM EST | Severe Thunderstorm Warning | FFC | Washington, Wilkinson | 29 min |
| Mar 19, 10:36 PM EST | Severe Thunderstorm Warning | FFC | Carroll, Haralson | 39 min |
| Mar 19, 11:02 PM EST | Severe Thunderstorm Warning | FFC | Jefferson | 28 min |
| Mar 19, 11:44 PM EST | Severe Thunderstorm Warning | FFC | Coweta | 31 min |
| Mar 19, 11:47 PM EST | Severe Thunderstorm Warning | FFC | Walton | 28 min |
| Mar 19, 11:59 PM EST | Severe Thunderstorm Warning | FFC | Fulton | 31 min |
| Mar 20, 12:12 AM EST | Severe Thunderstorm Warning | FFC | Meriwether | 33 min |
| Mar 20, 12:20 AM EST | Tornado Warning | FFC | Walton | 25 min |
| Mar 20, 12:42 AM EST | Severe Thunderstorm Warning | FFC | Troup | 33 min |
| Mar 20, 12:59 AM EST | Severe Thunderstorm Warning | FFC | Meriwether | 31 min |
| Mar 20, 1:10 AM EST | Flash Flood Warning | FFC | Clayton, Coweta, Fayette, Henry, Spalding | 3 hr |
| Mar 20, 3:19 AM EST | Flash Flood Warning | FFC | Banks, Barrow, Jackson, Walton | 116 min |
| Mar 20, 4:55 AM EST | Flash Flood Warning | FFC | Clayton, Henry | 3 hr |
| Mar 20, 5:30 AM EST | Flash Flood Warning | FFC | Banks, Barrow, Jackson, Walton | 4 hr |
| Mar 20, 7:07 AM EST | Severe Thunderstorm Warning | FFC | Telfair | 23 min |
| Mar 20, 7:19 AM EST | Flash Flood Warning | FFC | Bleckley, Dodge, Laurens | 4 hr |
| Mar 20, 7:25 AM EST | Flash Flood Warning | FFC | Pulaski | 4 hr |
| Mar 20, 7:29 AM EST | Flash Flood Warning | FFC | Crisp, Dooly, Wilcox | 4 hr |
| Mar 20, 7:29 AM EST | Flash Flood Warning | FFC | Johnson | 4 hr |
| Mar 20, 8:45 AM EST | Flash Flood Warning | FFC | Barrow, Jackson, Walton | 3 hr |
| Mar 20, 9:48 AM EST | Flash Flood Warning | FFC | Barrow, Jackson | 6 hr |
| Mar 20, 2:08 PM EST | Severe Thunderstorm Warning | FFC | Emanuel, Treutlen | 37 min |
| Mar 20, 2:48 PM EST | Severe Thunderstorm Warning | FFC | Emanuel | 27 min |
| Mar 20, 2:52 PM EST | Severe Thunderstorm Warning | FFC | Telfair | 23 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2003Every severe thunderstorm warning in 2003
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.