Alert archive / Georgia / Frost Advisories in 2021
Frost Advisory 5, NWS Atlanta, GA
NWS Atlanta, GA issued this frost advisory at Nov 4, 2021, 2:54 PM EDT for 9 counties in Georgia. It took effect at Nov 5, 2021, 4:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 4, 2021, 2:54 PM EDT (18:54 UTC)
- In effect from
- Nov 5, 2021, 4:00 AM EDT
- Expired
- Nov 5, 2021, 3:43 AM EDT
- In force
- Issued by
- NWS Atlanta, GA
Counties Catoosa County, GA, Dade County, GA, Fannin County, GA, Gilmer County, GA, Murray County, GA, Towns County, GA, Union County, GA, Walker County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 128 km from the middle of the area, began a volume at 18:53 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 12:00Z, 6.9 hours before the alert went out and 162 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
- 837 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
361 WWUS72 KFFC 041854 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 254 PM EDT Thu Nov 4 2021 GAZ001>009-050300- /O.NEW.KFFC.FR.Y.0005.211105T0800Z-211105T1400Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- 254 PM EDT Thu Nov 4 2021 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Dade, Walker, Catoosa, Whitfield, Murray, Fannin, Gilmer, Union and Towns Counties. * WHEN...From 4 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
446 WWUS72 KFFC 050246 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 1046 PM EDT Thu Nov 4 2021 GAZ001>009-051400- /O.CON.KFFC.FR.Y.0005.211105T0800Z-211105T1400Z/ Dade-Walker-Catoosa-Whitfield-Murray-Fannin-Gilmer-Union-Towns- 1046 PM EDT Thu Nov 4 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 AM EDT FRIDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Dade, Walker, Catoosa, Whitfield, Murray, Fannin, Gilmer, Union and Towns Counties. * WHEN...From 4 AM to 10 AM EDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
652 WWUS72 KFFC 050743 NPWFFC URGENT - WEATHER MESSAGE National Weather Service Peachtree City GA 343 AM EDT Fri Nov 5 2021 GAZ006-008-009-051545- /O.CAN.KFFC.FR.Y.0005.211105T0800Z-211105T1400Z/ /O.NEW.KFFC.FZ.A.0004.211106T0900Z-211106T1300Z/ Fannin-Union-Towns- 343 AM EDT Fri Nov 5 2021 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... ...FROST ADVISORY IS CANCELLED FOR THIS MORNING... * WHAT...Sub-freezing temperatures as low as 33 possible. * WHERE...Fannin, Union and Towns Counties. * WHEN...From late tonight through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ GAZ001>005-007-050845- /O.CAN.KFFC.FR.Y.0005.211105T0800Z-211105T1400Z/ Dade-Walker-Catoosa-Whitfield-Murray-Gilmer- 343 AM EDT Fri Nov 5 2021 ...FROST ADVISORY IS CANCELLED... Clouds have inhibited good radiational cooling this morning. Low temperatures in the upper 30s to lower 40s will also limit the potential for frost formation this morning. $$
Nearby
Frost Advisories in Georgia, 2021Every frost 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.