Alert archive / Georgia / Winter Storm Warnings in 2021
Winter Storm Warning 1, NWS Atlanta, GA
NWS Atlanta, GA issued this winter storm warning at Jan 7, 2021, 4:53 AM EST for 8 counties in Georgia. It took effect at Jan 7, 2021, 7:00 PM EST. It was in force for 15 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 7, 2021, 4:53 AM EST (09:53 UTC)
- In effect from
- Jan 7, 2021, 7:00 PM EST
- Expired
- Jan 8, 2021, 9:50 AM EST
- In force
- 15 hr
- Issued by
- NWS Atlanta, GA
Counties Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Murray County, GA, Towns County, GA, Union County, GA, White County, GA
The radar
The Atlanta radar (KFFC), 156 km from the middle of the area, began a volume at 09:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 8, 6:02 AM EST | SNOW 2 | 1 Wsw Len Foote Hike In, GA | 2 INCHES OF SNOW ON THE GROUND AT AN ELEVATION ABOVE 2000 FEET. |
| Jan 8, 7:00 AM EST | SNOW 0.5 | 1 Se Blood Mountain She, GA | HALF INCH OF SNOW ACCUMULATIONS THIS MORNING AT NEEL'S GAP |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 9.9 hours before the alert went out and 154 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
- 2174 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
666 WWUS42 KFFC 070953 WSWFFC URGENT - WINTER WEATHER MESSAGE National Weather Service Peachtree City GA 453 AM EST Thu Jan 7 2021 GAZ013-071100- /O.CAN.KFFC.WS.A.0001.210108T0000Z-210109T0000Z/ Pickens- 453 AM EST Thu Jan 7 2021 ...WINTER STORM WATCH IS CANCELLED... The higher accumulating snowfall totals look to be in the higher elevations north and east of Pickens County. $$ GAZ006>009-014>016-072000- /O.UPG.KFFC.WS.A.0001.210108T0000Z-210109T0000Z/ /O.NEW.KFFC.WS.W.0001.210108T0000Z-210109T0000Z/ Fannin-Gilmer-Union-Towns-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 453 AM EST Thu Jan 7 2021 ...WINTER STORM WARNING IN EFFECT FROM 7 PM EST THIS EVENING TO 7 PM EST FRIDAY... * WHAT...Total snow accumulations of two to four inches with isolated higher and ice accumulations of a light glaze to one-tenth of an inch possible. * WHERE...The mountains of northeast Georgia, mainly at elevations above 1500 feet. * WHEN...From 7 PM EST this evening to 7 PM EST Friday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Accumulating snow on area roadways, and reduced visibility in snow, could make travel very difficult. Some lighter snow accumulations are possible at the lower elevations under 1500 feet within the warned area and could have some minor impacts as well. Subfreezing temperatures following the storm on Friday night could cause slippery road conditions into the weekend. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ GAZ005-072000- /O.NEW.KFFC.WS.W.0001.210108T0000Z-210109T0000Z/ Murray- 453 AM EST Thu Jan 7 2021 ...WINTER STORM WARNING IN EFFECT FROM 7 PM EST THIS EVENING TO 7 PM EST FRIDAY... * WHAT...Total snow accumulations of two to four inches with isolated higher. * WHERE...Murray County mainly at elevations above 1500 feet. * WHEN...From 7 PM EST this evening to 7 PM EST Friday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Accumulating snow on area roadways, and reduced visibility in snow, could make travel very difficult. Some lighter snow accumulations are possible at the lower elevations under 1500 feet within the warned area and could have some minor impacts as well. Subfreezing temperatures following the storm on Friday night could cause slippery road conditions into the weekend. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$
4 follow-up statements
225 WWUS42 KFFC 071936 WSWFFC URGENT - WINTER WEATHER MESSAGE National Weather Service Peachtree City GA 236 PM EST Thu Jan 7 2021 GAZ005>009-014>016-080345- /O.CON.KFFC.WS.W.0001.210108T0000Z-210109T0000Z/ Murray-Fannin-Gilmer-Union-Towns-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 236 PM EST Thu Jan 7 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM EST FRIDAY... * WHAT...Periods of snow, mixed with rain at times this evening, will result in snow accumulations of 1 to 3 inches with isolated higher amounts likely along the highest ridgetops. There could also be a period of freezing rain or sleet this evening but little to no ice accumulations are expected. * WHERE...Far North-central and Northeast Georgia. * WHEN...From 7 PM EST this evening to 7 PM EST Friday. * IMPACTS...Slick roadways, especially bridges and overpasses. * ADDITIONAL DETAILS...Accumulating snow on area roadways, and reduced visibility in snow, could make travel very difficult. Lesser amounts of snow are possible at the lower elevations... below 1500 feet within the warned area, but travel impacts are still expected. Subfreezing temperatures following the storm on Friday night into Saturday morning could result in re-freezing of any residual water or snow on roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$
128 WWUS42 KFFC 080304 WSWFFC URGENT - WINTER WEATHER MESSAGE National Weather Service Peachtree City GA 1004 PM EST Thu Jan 7 2021 GAZ005>009-014>016-081200- /O.CON.KFFC.WS.W.0001.000000T0000Z-210109T0000Z/ Murray-Fannin-Gilmer-Union-Towns-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 1004 PM EST Thu Jan 7 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST FRIDAY... * WHAT...Periods of snow, mixed with rain at times this evening, will result in snow accumulations of 1 to 3 inches with isolated higher amounts likely along the highest ridgetops. There could also be a period of freezing rain or sleet this evening but little to no ice accumulations are expected. * WHERE...Far North-central and Northeast Georgia. * WHEN...From 7 PM EST this evening to 7 PM EST Friday. * IMPACTS...Slick roadways, especially bridges and overpasses. * ADDITIONAL DETAILS...Accumulating snow on area roadways, and reduced visibility in snow, could make travel very difficult. Lesser amounts of snow are possible at the lower elevations... below 1500 feet within the warned area, but travel impacts are still expected. Subfreezing temperatures following the storm on Friday night into Saturday morning could result in re- freezing of any residual water or snow on roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$
945 WWUS42 KFFC 080801 WSWFFC URGENT - WINTER WEATHER MESSAGE National Weather Service Peachtree City GA 301 AM EST Fri Jan 8 2021 GAZ005>009-014>016-090000- /O.CON.KFFC.WS.W.0001.000000T0000Z-210109T0000Z/ Murray-Fannin-Gilmer-Union-Towns-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 301 AM EST Fri Jan 8 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...Periods of snow will result in snow accumulations of 1 to 3 inches with isolated higher amounts likely along the highest ridgetops. * WHERE...Far North-central and Northeast Georgia. * WHEN...Until to 7 PM EST this evening. * IMPACTS...Slick roadways, especially bridges and overpasses. * ADDITIONAL DETAILS...Accumulating snow on area roadways, and reduced visibility in snow, could make travel very difficult. Lesser amounts of snow are possible at the lower elevations... below 1500 feet within the warned area, but travel impacts are still expected. Subfreezing temperatures following the storm tonight into Saturday morning could result in re-freezing of any residual water or snow on roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$
810 WWUS42 KFFC 081450 WSWFFC URGENT - WINTER WEATHER MESSAGE National Weather Service Peachtree City GA 950 AM EST Fri Jan 8 2021 GAZ005>009-014>016-082300- /O.CAN.KFFC.WS.W.0001.000000T0000Z-210109T0000Z/ /O.NEW.KFFC.WW.Y.0001.210108T1450Z-210109T0000Z/ Murray-Fannin-Gilmer-Union-Towns-Dawson-Lumpkin-White- Including the cities of Dahlonega and Cleveland 950 AM EST Fri Jan 8 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Wet snow. Additional snow accumulations of up to one inch. * WHERE...Portions of northeast Georgia. * WHEN...Until 7 PM EST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. * ADDITIONAL DETAILS...Accumulating snow on area roadways, and reduced visibility in snow, could cause some travel impacts. Lesser amounts of snow are possible at the lower elevations... below 2000 feet within the warned area. Subfreezing temperatures following the storm tonight into Saturday morning could result in re-freezing of any residual water or snow on roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 6, 7:35 PM EST | Winter Storm Watch | FFC | Dawson, Fannin, Gilmer, Lumpkin, Pickens, Towns and 2 more | 9 hr |
Nearby
Winter Storm Warnings in Georgia, 2021Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.