Alert archive / Georgia / Winter Weather Advisories in 2021

Winter Weather Advisory 2, NWS Atlanta, GA

February 1, 20215 counties in Georgia

NWS Atlanta, GA issued this winter weather advisory at Feb 1, 2021, 3:00 PM EST for 5 counties in Georgia. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 2021, 3:00 PM EST (20:00 UTC)
Expired
Feb 2, 2021, 9:59 AM EST
In force
19 hr
Issued by
NWS Atlanta, GA

Counties Dawson County, GA, Lumpkin County, GA, Towns County, GA, Union County, GA, White County, GA

The radar

The Greer radar (KGSP), 158 km from the middle of the area, began a volume at 20:04 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, 8.0 hours before the alert went out and 155 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2021-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2021-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
675 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

761 
WWUS42 KFFC 012000
WSWFFC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Peachtree City GA
300 PM EST Mon Feb 1 2021


GAZ005>007-020400-
/O.CON.KFFC.WS.W.0002.000000T0000Z-210202T1200Z/
Murray-Fannin-Gilmer-
300 PM EST Mon Feb 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...

* WHAT...Snow showers and low wind chills. An additional 1 to 2 
  inches of snow is possible at elevations above 2000 feet. 
  Additional snow amounts up to one inch at elevations below 2000 
  feet. Wind chills of 0 to 5 above are also likely at elevations 
  above 2000 feet. 
 
* WHERE...Murray, Fannin and Gilmer Counties.

* WHEN...Until 7 AM EST Tuesday.

* IMPACTS...Accumulating snow on area roadways and reduced
  visibility in snow could make travel very difficult. The cold
  wind chills could cause frostbite in as little as 30 minutes to
  exposed skin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

GAZ008-009-014>016-020400-
/O.NEW.KFFC.WW.Y.0002.210201T2000Z-210202T1200Z/
Union-Towns-Dawson-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
300 PM EST Mon Feb 1 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM EST TUESDAY...

* WHAT...Snow showers and low wind chills. Total snow 
  accumulations of up to one inch. Wind chills of 0 to 5 above are
  also likely at elevations above 2000 feet.

* WHERE...Union, Towns, Dawson, Lumpkin and White Counties.

* WHEN...Until 7 AM EST Tuesday.

* ADDITIONAL DETAILS...Accumulating snow on area roadways and
  reduced visibility in snow could make travel very difficult. The
  cold wind chills could cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$
3 follow-up statements
427 
WWUS42 KFFC 020208
WSWFFC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Peachtree City GA
908 PM EST Mon Feb 1 2021


GAZ005>007-021015-
/O.CON.KFFC.WS.W.0002.000000T0000Z-210202T1200Z/
Murray-Fannin-Gilmer-
908 PM EST Mon Feb 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...

* WHAT...Snow showers and low wind chills. An additional 1 to 2 
  inches of snow is possible at elevations above 2000 feet. 
  Additional snow amounts up to one inch at elevations below 
  2000 feet. Wind chills of 0 to 5 above are also likely at 
  elevations above 2000 feet.

* WHERE...Murray, Fannin and Gilmer Counties.

* WHEN...Until 7 AM EST Tuesday.

* IMPACTS...Accumulating snow on area roadways and reduced 
  visibility in snow could make travel very difficult. The cold 
  wind chills could cause frostbite in as little as 30 minutes 
  to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

GAZ008-009-014>016-021015-
/O.CON.KFFC.WW.Y.0002.000000T0000Z-210202T1200Z/
Union-Towns-Dawson-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
908 PM EST Mon Feb 1 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
TUESDAY...

* WHAT...Snow showers and low wind chills. Total snow 
  accumulations of up to one inch. Wind chills of 0 to 5 above 
  are also likely at elevations above 2000 feet.

* WHERE...Union, Towns, Dawson, Lumpkin and White Counties.

* WHEN...Until 7 AM EST Tuesday.

* ADDITIONAL DETAILS...Accumulating snow on area roadways and
  reduced visibility in snow could make travel very difficult. The
  cold wind chills could cause frostbite in as little as 30 
  minutes to exposed skin..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$
783 
WWUS42 KFFC 020838
WSWFFC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Peachtree City GA
338 AM EST Tue Feb 2 2021


GAZ005>007-021500-
/O.EXT.KFFC.WS.W.0002.000000T0000Z-210202T1500Z/
Murray-Fannin-Gilmer-
338 AM EST Tue Feb 2 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Lingering snow showers and low wind chills. Potentially 2
  to 4 inches of snow have accumulated, generally above 2000 feet.
  Wind chills of 0 to 5 degrees are also likely at elevations 
  above 2000 feet.

* WHERE...Murray, Fannin and Gilmer Counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Accumulating snow on area roadways could make travel 
  very difficult. The cold wind chills could cause frostbite in as
  little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

&&

$$

GAZ008-009-014>016-021500-
/O.EXT.KFFC.WW.Y.0002.000000T0000Z-210202T1500Z/
Union-Towns-Dawson-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
338 AM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Lingering snow showers and low wind chills. Potentially
  up to 1 inch of snow has accumulated. Wind chills of 0 to 5
  degrees are also likely at elevations above 2000 feet.

* WHERE...Union, Towns, Dawson, Lumpkin and White Counties.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Accumulating snow on area roadways could make travel 
  very difficult. The cold wind chills could cause frostbite in as
  little as 30 minutes to exposed skin.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$
310 
WWUS42 KFFC 021459
WSWFFC

URGENT - WINTER WEATHER MESSAGE
National Weather Service Peachtree City GA
959 AM EST Tue Feb 2 2021

...WINTER STORM WARNING IS CANCELLED...

...WINTER WEATHER ADVISORY IS CANCELLED...

GAZ005>007-021600-
/O.CAN.KFFC.WS.W.0002.000000T0000Z-210202T1500Z/
Murray-Fannin-Gilmer-
959 AM EST Tue Feb 2 2021

...WINTER STORM WARNING IS CANCELLED...

The National Weather Service in Peachtree City has cancelled the
Winter Storm Warning. 

Due to ending precipitation in the area, the Winter Storm Warning 
has been cancelled. Slippery road conditions may exist due to 
decreasing temperatures and wet roads. Please use caution if 
driving. Cold wind chills remain possible across far north
Georgia.

$$

GAZ008-009-014>016-021600-
/O.CAN.KFFC.WW.Y.0002.000000T0000Z-210202T1500Z/
Union-Towns-Dawson-Lumpkin-White-
Including the cities of Dahlonega and Cleveland
959 AM EST Tue Feb 2 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The National Weather Service in Peachtree City has cancelled the
Winter Weather Advisory. 

Due to ending precipitation in the area, the Winter Weather 
Advisory has been cancelled. Slippery road conditions may exist 
due to decreasing temperatures and wet roads. Please use caution 
if driving. Cold wind chills remain possible across far north
Georgia.

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 31, 7:32 PM ESTSpecial Weather StatementFFCTalbot28 min
Jan 31, 7:59 PM ESTSpecial Weather StatementFFCTalbot31 min
Jan 31, 8:22 PM ESTSpecial Weather StatementFFCCrawford38 min
Jan 31, 8:55 PM ESTSpecial Weather StatementFFCPeach35 min
Jan 31, 9:14 PM ESTSpecial Weather StatementFFCBleckley, Twiggs31 min
Jan 31, 9:56 PM ESTSpecial Weather StatementFFCWilkinson34 min
Feb 1, 4:29 AM ESTWinter Storm WarningFFCFannin, Gilmer, Murray30 hr
Feb 1, 4:33 AM ESTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more38 hr

Nearby

Winter Weather Advisories in Georgia, 2021Every winter weather 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.