Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 9, 2021Polk County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 9, 2021, 4:07 PM EDT for Polk County, Georgia. It was in force for 23 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
Aug 9, 2021, 4:07 PM EDT (20:07 UTC)
Expired
Aug 9, 2021, 4:30 PM EDT
In force
23 min
Issued by
NWS Atlanta, GA
Hail
0.75 in
Wind
50

County Polk County, GA

The radar

The Atlanta radar (KFFC), 99 km from the middle of the area, began a volume at 20:08 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, 8.1 hours before the alert went out and 102 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 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 203 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939Sfc1 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
203 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

585 
WWUS82 KFFC 092007
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
407 PM EDT Mon Aug 9 2021
 
GAZ019-030-092030-
Polk GA-Floyd GA-
407 PM EDT Mon Aug 9 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTHERN FLOYD AND
NORTHWESTERN POLK COUNTIES THROUGH 430 PM EDT...

At 406 PM EDT...a strong thunderstorm was near Etna, or near
Cedartown...moving northeast at 25 mph.

HAZARD...40 to 50 mph wind...up to penny sized hail and frequent 
         cloud to ground lightning.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of 
         light...unsecured objects.

Some locations in the path of this storm include
Rome, Cedartown, Rockmart, Aragon, Cave Spring, Seney, Fish Creek,
Etna, Lindale and Esom Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning.

LAT...LON 3428 8513 3413 8504 3408 8505 3408 8501
      3404 8499 3392 8538 3395 8540 3411 8543
TIME...MOT...LOC 2006Z 243DEG 21KT 3404 8536 

MAX HAIL SIZE...0.75IN
MAX WIND GUST...50MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 3:37 PM EDTSpecial Weather StatementFFCPaulding23 min
Aug 9, 3:38 PM EDTSpecial Weather StatementFFCToombs37 min
Aug 9, 3:44 PM EDTSpecial Weather StatementFFCHeard31 min
Aug 9, 3:46 PM EDTSpecial Weather StatementFFCTelfair29 min
Aug 9, 3:47 PM EDTSpecial Weather StatementFFCWalker28 min
Aug 9, 3:53 PM EDTSpecial Weather StatementFFCFloyd37 min
Aug 9, 4:18 PM EDTSpecial Weather StatementFFCMeriwether27 min
Aug 9, 4:31 PM EDTSpecial Weather StatementFFCFloyd29 min
Aug 9, 4:33 PM EDTSpecial Weather StatementFFCEmanuel27 min
Aug 9, 4:45 PM EDTSpecial Weather StatementFFCMeriwether, Troup30 min
Aug 9, 5:06 PM EDTSpecial Weather StatementFFCGordon24 min
Aug 9, 5:12 PM EDTSpecial Weather StatementFFCHarris33 min
Aug 9, 5:23 PM EDTSevere Thunderstorm WarningFFCGordon37 min
Aug 9, 5:51 PM EDTSevere Thunderstorm WarningFFCGilmer, Gordon, Murray24 min
Aug 9, 5:52 PM EDTSpecial Weather StatementFFCMeriwether38 min
Aug 9, 6:00 PM EDTSpecial Weather StatementFFCUpson30 min
Aug 9, 6:19 PM EDTSpecial Weather StatementFFCTalbot26 min
Aug 9, 6:57 PM EDTSpecial Weather StatementFFCMarion33 min
Aug 9, 7:23 PM EDTSpecial Weather StatementFFCHall37 min
Aug 9, 7:47 PM EDTSpecial Weather StatementFFCChattahoochee28 min
Aug 9, 7:51 PM EDTSpecial Weather StatementFFCTaylor24 min
Aug 9, 7:54 PM EDTSpecial Weather StatementFFCHall36 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.