Alert archive / Georgia / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 191, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 5, 2004, 4:13 PM EDT for Cobb County, Georgia. It was in force for 32 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 5, 2004, 4:13 PM EDT (20:13 UTC)
- Expired
- Aug 5, 2004, 4:45 PM EDT
- In force
- 32 min
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
County Cobb County, GA
The radar
The Atlanta radar (KFFC), 73 km from the middle of the area, began a volume at 20:17 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 |
|---|---|---|---|
| Aug 5, 4:25 PM EDT | TSTM WND DMG | 5 Nne Marietta, GA | SEVERAL TREES REPORTED DOWN IN THE BLACKWELLS AREA. |
| Aug 5, 4:25 PM EDT | TSTM WND DMG | 5 Nne Marietta, GA | SEVERAL TREES REPORTED DOWN IN THE BLACKWELLS AREA. |
| Aug 5, 4:40 PM EDT | TSTM WND DMG | 6 Nne Marietta, GA | FABRIC STORE PARTIALLY COLLAPSED DUE TO HIGH WINDS ON GEORGIA HIGHWAY 5 IN THE BLACKWELLS AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.2 hours before the alert went out and 73 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
- 245 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 69 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.
000 WUUS52 KFFC 052013 SVRATL GAC067-052045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 413 PM EDT THU AUG 5 2004 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COBB COUNTY IN NORTH CENTRAL GEORGIA * UNTIL 445 PM EDT * AT 411 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES EAST OF KENNESAW...MOVING SOUTHEAST AT 20 MPH. * LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ACWORTH... KENNESAW...MARIETTA AND WHITEWATER. HAIL TO THE SIZE OF PENNIES AND WIND GUSTS TO 60 MPH 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 3409 8469 3399 8467 3388 8445 3407 8441 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 2:09 PM EDT | Severe Thunderstorm Warning | FFC | Banks | 36 min |
| Aug 5, 2:24 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 36 min |
| Aug 5, 2:49 PM EDT | Severe Thunderstorm Warning | FFC | Clarke | 26 min |
| Aug 5, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 25 min |
| Aug 5, 3:54 PM EDT | Severe Thunderstorm Warning | FFC | Greene | 36 min |
| Aug 5, 6:38 PM EDT | Flash Flood Warning | FFC | Cobb | 2 hr |
Nearby
Severe Thunderstorm Warnings in Georgia, 2004Every severe thunderstorm warning in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.