Alert archive / Georgia / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 71, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 11, 2007, 11:36 PM EDT for Morgan County, Newton County, Walton County, Georgia. It was in force for 39 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
- Apr 11, 2007, 11:36 PM EDT (03:36 UTC)
- Expired
- Apr 12, 2007, 12:15 AM EDT
- In force
- 39 min
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
Counties Morgan County, GA, Newton County, GA, Walton County, GA
The radar
The Atlanta radar (KFFC), 87 km from the middle of the area, began a volume at 03:38 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, 3.6 hours before the alert went out and 81 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
- 365 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 466 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KFFC 120336 SVRFFC GAC211-217-297-120415- /O.NEW.KFFC.SV.W.0071.070412T0336Z-070412T0415Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1136 PM EDT WED APR 11 2007 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN MORGAN COUNTY IN NORTH CENTRAL GEORGIA NORTHEASTERN NEWTON COUNTY IN NORTH CENTRAL GEORGIA SOUTHEASTERN WALTON COUNTY IN NORTH CENTRAL GEORGIA * UNTIL 1215 AM EDT * AT 1134 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZED HAIL. THIS STORM WAS LOCATED 7 MILES SOUTHWEST OF SOCIAL CIRCLE...MOVING EAST AT 40 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CENTENNIAL...RUTLEDGE...HARD LABOR CREEK STATE PARK AND MADISON. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM EDT THURSDAY MORNING FOR EASTERN GEORGIA. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL 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 3369 8384 3349 8383 3354 8345 3373 8348 $$
1 follow-up statement
000 WWUS52 KFFC 120348 SVSFFC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1148 PM EDT WED APR 11 2007 GAC217-297-120358- /O.CAN.KFFC.SV.W.0071.000000T0000Z-070412T0415Z/ NEWTON GA-WALTON GA- 1148 PM EDT WED APR 11 2007 ...THE SEVERE THUNDERSTORM WARNING FOR WALTON AND NEWTON COUNTIES IS CANCELLED... THE STORM THAT PROMPTED THE WARNING HAS MOVED INTO MORGAN COUNTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR WALTON AND NEWTON COUNTIES. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM EDT THURSDAY MORNING FOR EASTERN GEORGIA. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. LAT...LON 3365 8367 3352 8368 3354 8345 3373 8348 $$ GAC211-120415- /O.CON.KFFC.SV.W.0071.000000T0000Z-070412T0415Z/ MORGAN GA- 1148 PM EDT WED APR 11 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR CENTRAL MORGAN COUNTY... AT 1143 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR RUTLEDGE...MOVING EAST AT 50 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MADISON. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM EDT THURSDAY MORNING FOR EASTERN GEORGIA. 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 3365 8367 3352 8368 3354 8345 3373 8348 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 8:08 PM EDT | Severe Thunderstorm Warning | FFC | Crisp, Wilcox | 17 min |
| Apr 11, 8:17 PM EDT | Tornado Warning | FFC | Marion, Stewart, Webster | 43 min |
| Apr 11, 8:35 PM EDT | Tornado Warning | FFC | Schley, Sumter | 55 min |
| Apr 11, 8:49 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Treutlen | 26 min |
| Apr 11, 9:10 PM EDT | Severe Thunderstorm Warning | FFC | Macon | 35 min |
| Apr 11, 10:54 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Morgan | 36 min |
| Apr 12, 1:27 AM EDT | Severe Thunderstorm Warning | FFC | Warren | 18 min |
| Apr 12, 1:35 AM EDT | Severe Thunderstorm Warning | FFC | Washington | 25 min |
| Apr 12, 1:48 AM EDT | Dense Fog Advisory | FFC | Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 46 more | 2 hr |
| Apr 12, 2:44 AM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 31 min |
| Apr 12, 5:05 AM EDT | Dense Fog Advisory | FFC | Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 46 more | 3 hr |
| Apr 12, 5:05 AM EDT | Wind Advisory | FFC | Baldwin, Banks, Barrow, Bartow, Butts, Carroll and 56 more | 13 hr |
| Apr 12, 6:03 AM EDT | Red Flag Warning | FFC | Baldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 38 more | 14 hr |
Nearby
Severe Thunderstorm Warnings in Georgia, 2007Every severe thunderstorm warning in 2007
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.