Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

June 29, 2021Twiggs County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 29, 2021, 8:33 PM EDT for Twiggs County, Georgia. It was in force for 27 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
Jun 29, 2021, 8:33 PM EDT (00:33 UTC)
Expired
Jun 29, 2021, 9:00 PM EDT
In force
27 min
Issued by
NWS Atlanta, GA
Hail
0.25 in
Wind
40

County Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 20 km from the middle of the area, began a volume at 00:35 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 00:00Z, 0.6 hours before the alert went out and 113 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 00:00Z on 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 222 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 00:00Z on 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
222 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1491 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

166 
WWUS82 KFFC 300033
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
833 PM EDT Tue Jun 29 2021
 
GAZ082-083-095-300100-
Bibb GA-Houston GA-Twiggs GA-
833 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BIBB...NORTHEASTERN
HOUSTON AND TWIGGS COUNTIES UNTIL 900 PM EDT...

At 833 PM EDT...a strong thunderstorm was over Marion, or near
Jeffersonville...moving northwest at 15 mph.

  HAZARD...Up to 40 mph wind...pea sized hail and frequent cloud to 
           ground lightning.

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

Some locations in the path of this storm include
Macon, Jeffersonville, Warner Robins, Centerville, Robins Air Force
Base, Marion, Bullard, Rutland, Fitzpatrick, Ripley, Huber, District
Path, Dry Branch, Elberta, Franklinton and Middle Georgia Regional
Airport.

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 3265 8371 3269 8370 3287 8356 3284 8352
      3285 8352 3285 8351 3269 8331 3254 8343
TIME...MOT...LOC 0033Z 124DEG 13KT 3266 8344 

HAIL...0.25IN
WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:12 PM EDTSpecial Weather StatementFFCHouston33 min
Jun 30, 2:37 PM EDTSpecial Weather StatementFFCTelfair23 min
Jun 30, 3:02 PM EDTSpecial Weather StatementFFCStewart28 min
Jun 30, 3:07 PM EDTSpecial Weather StatementFFCTreutlen23 min
Jun 30, 3:30 PM EDTSpecial Weather StatementFFCPulaski30 min
Jun 30, 3:36 PM EDTSpecial Weather StatementFFCEmanuel24 min
Jun 30, 4:12 PM EDTSpecial Weather StatementFFCPeach, Twiggs33 min
Jun 30, 4:17 PM EDTSpecial Weather StatementFFCJohnson28 min
Jun 30, 4:42 PM EDTSpecial Weather StatementFFCCrisp33 min
Jun 30, 4:54 PM EDTSpecial Weather StatementFFCPeach21 min
Jun 30, 5:28 PM EDTSpecial Weather StatementFFCJackson32 min
Jun 30, 6:12 PM EDTSpecial Weather StatementFFCBarrow33 min
Jun 30, 6:46 PM EDTSpecial Weather StatementFFCGwinnett14 min
Jun 30, 7:11 PM EDTSpecial Weather StatementFFCForsyth19 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.