Alert archive / Georgia / Dense Fog Advisories in 2021
Dense Fog Advisory 14, NWS Atlanta, GA
NWS Atlanta, GA issued this dense fog advisory at Nov 6, 2021, 6:21 AM EDT for 11 counties in Georgia. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Nov 6, 2021, 6:21 AM EDT (10:21 UTC)
- Expired
- Nov 6, 2021, 10:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
Counties Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Dade County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 106 km from the middle of the area, began a volume at 10:20 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, 10.4 hours before the alert went out and 149 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -81 m²/s²
- 0-3 km storm-relative helicity
- -39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Atlanta, GA wrote its last area forecast discussion before this dense fog advisory went out at Nov 6, 4:20 AM EDT, 2 hours 1 minute earlier.
Area forecast discussion, Nov 6, 4:20 AM EDT, 2 hours 1 minute before
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</html>Hazardous weather outlook, Nov 5, 4:45 PM EDT, 13 hours 36 minutes before
Hazardous Weather Outlook National Weather Service Peachtree City GA 445 PM EDT Fri Nov 5 2021 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-061000- Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa- Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta- Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel- Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene- Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson- Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon- Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray- Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach- Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton- Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs- Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren- Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes- Wilkinson- 445 PM EDT Fri Nov 5 2021 This Hazardous Weather Outlook is for portions of North and Central Georgia. .DAY ONE...Tonight... A Frost Advisory has been issued for Towns, Union and Fannin Counties for early Saturday morning. Those with agricultural interests, and homeowners with sensitive plants, should be prepared for frost formation. .DAYS TWO THROUGH SEVEN...Saturday through Thursday... Colder than normal temperatures are expected Saturday night through Sunday. Those with agricultural interests, and homeowners with sensitive plants, should be prepared as temperatures will approach Frost/Freeze criteria during this time, especially across north Georgia and the north Georgia mountains. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight.
In the hours before
Special weather statement, Nov 6, 5:20 AM EDT, 1 hour 1 minute before
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</html>The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 6, 4:14 AM EDT | Freeze Watch | FFC | Fannin, Towns, Union | 11 hr |
| Nov 6, 2:46 PM EDT | Frost Advisory | FFC | Bartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 19 more | 19 hr |
| Nov 6, 2:46 PM EDT | Freeze Warning | FFC | Fannin, Towns, Union | 19 hr |
Nearby
Dense Fog Advisories in Georgia, 2021Every dense fog advisory in 2021
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.