Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

December 30, 2021Heard County, Georgia

NWS Atlanta, GA issued this special weather statement at Dec 30, 2021, 11:39 AM EST for Heard County, Georgia. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 30, 2021, 11:39 AM EST (16:39 UTC)
Expired
Dec 30, 2021, 12:45 PM EST
In force
66 min
Issued by
NWS Atlanta, GA
Hail
0.00 in
Wind
40

County Heard County, GA

The radar

The Atlanta radar (KFFC), 40 km from the middle of the area, began a volume at 16:44 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, 4.7 hours before the alert went out and 47 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 2021-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 408 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2021-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 square meters per square second.19395878Sfc1 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
408 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
451 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
348 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

189 
WWUS82 KFFC 301639
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
1139 AM EST Thu Dec 30 2021
 
GAZ052-053-066-067-301745-
Coweta GA-Troup GA-Heard GA-Meriwether GA-
1139 AM EST Thu Dec 30 2021

...A strong thunderstorm will impact portions of northwestern
Meriwether, Heard, northern Troup and southwestern Coweta Counties
through 1245 PM EST...

At 1138 AM EST, a strong thunderstorm was over Crystal Lake, or near
Roanoke, moving east at 40 mph.

HAZARD...Winds up to 40 mph and heavy rain.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of 
         light, unsecured objects. Heavy rain may cause temporary 
         street flooding especially in poor drainage areas.

Locations impacted include...
Newnan, Franklin, Hogansville, Grantville, Luthersville, Moreland,
Lone Oak, East Newnan, Corinth, Powers Crossroads, Waresville, Texas,
Harrisonville and Glenn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. Motorists should
slow down and be prepared for possible loss of control due to
hydroplaning.

&&

LAT...LON 3340 8483 3330 8470 3315 8478 3313 8523
      3313 8524 3330 8527
TIME...MOT...LOC 1638Z 260DEG 35KT 3320 8540 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 8:28 PM ESTSpecial Weather StatementFFCDade32 min
Dec 29, 8:41 PM ESTSpecial Weather StatementFFCDade34 min
Dec 29, 9:07 PM ESTSpecial Weather StatementFFCCatoosa, Walker23 min
Dec 29, 9:28 PM ESTSpecial Weather StatementFFCMurray, Whitfield32 min
Dec 29, 9:38 PM ESTSevere Thunderstorm WarningFFCChattooga, Dade, Walker52 min
Dec 29, 9:57 PM ESTSpecial Weather StatementFFCFannin, Murray48 min
Dec 29, 10:05 PM ESTSevere Thunderstorm WarningFFCFloyd, Gilmer, Gordon, Murray, Pickens, Whitfield40 min
Dec 29, 10:15 PM ESTSpecial Weather StatementFFCFloyd30 min
Dec 29, 10:31 PM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Floyd, Paulding, Polk44 min
Dec 29, 10:37 PM ESTSevere Thunderstorm WarningFFCBartow, Dawson, Gilmer, Gordon, Pickens38 min
Dec 29, 10:41 PM ESTSpecial Weather StatementFFCFannin, Gilmer, Union34 min
Dec 29, 10:51 PM ESTSpecial Weather StatementFFCHaralson24 min
Dec 29, 11:08 PM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Dawson, Forsyth, Fulton and 3 more52 min
Dec 29, 11:12 PM ESTSevere Thunderstorm WarningFFCCarroll, Cobb, Douglas, Haralson, Paulding, Polk48 min
Dec 29, 11:35 PM ESTSpecial Weather StatementFFCBanks, Hall, White25 min
Dec 29, 11:42 PM ESTSpecial Weather StatementFFCFulton, Gwinnett33 min
Dec 29, 11:48 PM ESTSpecial Weather StatementFFCCarroll, Douglas27 min
Dec 30, 12:03 AM ESTSpecial Weather StatementFFCBanks27 min
Dec 30, 12:29 AM ESTSpecial Weather StatementFFCClarke, DeKalb, Jackson, Madison31 min
Dec 30, 1:00 AM ESTSpecial Weather StatementFFCBarrow, Clarke, DeKalb, Fulton, Oconee, Walton60 min
Dec 30, 1:07 AM ESTSpecial Weather StatementFFCHeard23 min
Dec 30, 1:23 AM ESTRiver Flood WarningFFCDade9 hr
Dec 30, 1:27 AM ESTSpecial Weather StatementFFCHeard33 min
Dec 30, 1:53 AM ESTRiver Flood WarningFFCDeKalb4 hr
Dec 30, 2:32 AM ESTSpecial Weather StatementFFCMorgan, Rockdale58 min
Dec 30, 4:50 AM ESTSpecial Weather StatementFFCCoweta, Fayette, Heard40 min
Dec 30, 5:38 AM ESTSpecial Weather StatementFFCClayton, Coweta, Fayette, Heard52 min
Dec 30, 5:45 AM ESTSpecial Weather StatementFFCJefferson30 min
Dec 30, 7:22 AM ESTSpecial Weather StatementFFCDeKalb, Douglas, Fulton, Haralson38 min
Dec 30, 8:25 AM ESTFlash Flood WarningFFCCarroll, Cobb, DeKalb, Douglas, Fulton, Haralson and 1 more6 hr
Dec 30, 8:34 AM ESTRiver Flood WarningFFCForsyth, Fulton52 hr
Dec 30, 8:35 AM ESTFlood WatchFFCBanks, Barrow, Bartow, Butts, Carroll, Cherokee and 34 more10 hr
Dec 30, 8:52 AM ESTSpecial Weather StatementFFCCoweta, Fayette23 min
Dec 30, 9:07 AM ESTSevere Thunderstorm WarningFFCClayton, Coweta, Fayette23 min
Dec 30, 9:28 AM ESTSevere Thunderstorm WarningFFCClayton, Fayette, Henry32 min
Dec 30, 9:33 AM ESTRiver Flood WarningFFCDeKalb, Rockdale11 hr
Dec 30, 9:42 AM ESTRiver Flood WarningFFCDeKalb, Fulton6 hr
Dec 30, 9:45 AM ESTRiver Flood WarningFFCCobb, Douglas54 hr
Dec 30, 9:48 AM ESTRiver Flood WarningFFCDeKalb103 min
Dec 30, 9:55 AM ESTFlash Flood WarningFFCCarroll, Clayton, Coweta, Fayette, Fulton, Heard and 1 more4 hr
Dec 30, 9:57 AM ESTSpecial Weather StatementFFCHenry, Newton33 min
Dec 30, 10:15 AM ESTRiver Flood WarningFFCDeKalb3 hr
Dec 30, 10:28 AM ESTRiver Flood WarningFFCFulton61 min
Dec 30, 10:51 AM ESTFlash Flood WarningFFCGreene, Morgan, Newton, Oconee, Oglethorpe, Rockdale and 2 more6 hr
Dec 30, 11:21 AM ESTRiver Flood WarningFFCNewton, Rockdale26 hr
Dec 30, 12:05 PM ESTRiver Flood WarningFFCForsyth19 hr
Dec 30, 12:11 PM ESTSpecial Weather StatementFFCWilcox34 min
Dec 30, 12:17 PM ESTSpecial Weather StatementFFCJasper, Putnam28 min
Dec 30, 12:35 PM ESTRiver Flood WarningFFCCobb4 hr
Dec 30, 12:46 PM ESTSpecial Weather StatementFFCHancock, Putnam29 min
Dec 30, 12:48 PM ESTSpecial Weather StatementFFCHancock, Putnam27 min
Dec 30, 12:54 PM ESTSpecial Weather StatementFFCDodge36 min
Dec 30, 12:54 PM ESTSpecial Weather StatementFFCDodge36 min
Dec 30, 1:13 PM ESTSpecial Weather StatementFFCTroup32 min
Dec 30, 1:32 PM ESTSevere Thunderstorm WarningFFCMontgomery, Telfair, Wheeler28 min
Dec 30, 2:02 PM ESTSpecial Weather StatementFFCMontgomery, Toombs28 min
Dec 30, 2:05 PM ESTSpecial Weather StatementFFCDodge25 min
Dec 30, 2:12 PM ESTSpecial Weather StatementFFCButts, Lamar, Pike33 min
Dec 30, 2:12 PM ESTSpecial Weather StatementFFCCrawford, Peach33 min
Dec 30, 2:18 PM ESTSevere Thunderstorm WarningFFCButts, Jasper, Lamar, Monroe, Pike27 min
Dec 30, 2:27 PM ESTSpecial Weather StatementFFCToombs33 min
Dec 30, 2:31 PM ESTSevere Thunderstorm WarningFFCBibb, Crawford, Houston, Peach44 min
Dec 30, 2:36 PM ESTSpecial Weather StatementFFCTelfair39 min
Dec 30, 2:45 PM ESTSevere Thunderstorm WarningFFCBaldwin, Jasper, Jones, Monroe, Putnam30 min
Dec 30, 2:49 PM ESTSevere Thunderstorm WarningFFCBaldwin, Jones, Wilkinson26 min
Dec 30, 2:59 PM ESTSevere Thunderstorm WarningFFCHouston, Twiggs31 min
Dec 30, 3:15 PM ESTSevere Thunderstorm WarningFFCHarris, Meriwether, Troup30 min
Dec 30, 3:19 PM ESTSpecial Weather StatementFFCWheeler26 min
Dec 30, 3:30 PM ESTSevere Thunderstorm WarningFFCTwiggs, Wilkinson45 min
Dec 30, 3:34 PM ESTSpecial Weather StatementFFCJefferson26 min
Dec 30, 3:40 PM ESTSevere Thunderstorm WarningFFCHarris, Meriwether, Talbot, Upson50 min
Dec 30, 3:45 PM ESTSevere Thunderstorm WarningFFCHarris, Muscogee31 min
Dec 30, 3:55 PM ESTSpecial Weather StatementFFCTwiggs35 min
Dec 30, 3:56 PM ESTSpecial Weather StatementFFCHouston, Peach34 min
Dec 30, 3:59 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Marion, Muscogee, Talbot46 min
Dec 30, 4:05 PM ESTSevere Thunderstorm WarningFFCHouston, Macon, Peach40 min
Dec 30, 4:10 PM ESTSevere Thunderstorm WarningFFCCrawford, Monroe, Talbot, Taylor, Upson50 min
Dec 30, 4:15 PM ESTSevere Thunderstorm WarningFFCLaurens, Twiggs, Wilkinson45 min
Dec 30, 4:18 PM ESTTornado WarningFFCCrawford, Taylor, Upson27 min
Dec 30, 4:23 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Marion, Stewart, Webster37 min

Nearby

Special Weather Statements in Georgia, 2021Every special weather statement 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.