Alert archive / Georgia / Dense Fog Advisories in 2007
Dense Fog Advisory 2, NWS Atlanta, GA
NWS Atlanta, GA issued this dense fog advisory at Apr 12, 2007, 5:05 AM EDT for 52 counties in Georgia. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2007, 5:05 AM EDT (09:05 UTC)
- Expired
- Apr 12, 2007, 7:54 AM EDT
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
All 52 counties
Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rockdale County, GA, Spalding County, GA, Taliaferro County, GA, Troup County, GA, Walker County, GA, Walton County, GA, Whitfield County, GA, Wilkes County, GA
The radar
The Atlanta radar (KFFC), 64 km from the middle of the area, began a volume at 09:10 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 00:00Z, 9.1 hours before the alert went out and 61 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 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 11, 11:36 PM EDT | Severe Thunderstorm Warning | FFC | Morgan, Newton, Walton | 39 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 | 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
Dense Fog Advisories in Georgia, 2007Every dense fog advisory 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.