Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

June 20, 20214 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Jun 20, 2021, 4:02 AM EDT for 4 counties in Georgia. It was in force for 28 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 20, 2021, 4:02 AM EDT (08:02 UTC)
Expired: Jun 20, 2021, 4:30 AM EDT
In force: 28 min
Issued by: NWS Atlanta, GA

Counties Marion County, GA, Schley County, GA, Stewart County, GA, Webster County, GA

The radar

The Ft Rucker radar (KEOX), 103 km from the middle of the area, began a volume at 08:06 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, 8.0 hours before the alert went out and 150 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 252 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 340 m²/s²
0-3 km storm-relative helicity: 516 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

As transmitted.

937 
WWUS82 KFFC 200802
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
402 AM EDT Sun Jun 20 2021
 
GAZ090>092-102>104-200830-
Schley GA-Chattahoochee GA-Stewart GA-Sumter GA-Marion GA-Webster GA-
402 AM EDT Sun Jun 20 2021

...SIGNIFICANT WEATHER ADVISORY FOR SCHLEY...SOUTHEASTERN
CHATTAHOOCHEE...STEWART...NORTHWESTERN SUMTER...SOUTHERN MARION AND
WEBSTER COUNTIES UNTIL 430 AM EDT...

At 401 AM EDT...National Weather Service doppler radar indicated a
strong storm within a tropical rain band over Richland, or near
Preston...moving northeast at 50 mph.

  HAZARD...Enhanced risk of a brief tornado.

  IMPACT...Storms embedded within a tropical rainband have exhibited 
           localized rotation. A brief tornado could quickly form.

Some locations in the path of this storm include
Americus, Lumpkin, Buena Vista, Ellaville, Preston, Richland, Plains,
Andersonville, Weston, Putnam, Seminole, Westville, La Crosse,
Brooklyn, Renfroe, Zellobee, Leveretts, Troutman, Friendship and
Sanford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately.

LAT...LON 3192 8467 3193 8468 3192 8477 3193 8480
      3192 8481 3192 8491 3195 8496 3198 8496
      3198 8503 3245 8446 3225 8422 3223 8422
      3223 8419 3215 8410 3193 8440 3197 8444
      3193 8444 3192 8446
TIME...MOT...LOC 0801Z 236DEG 43KT 3208 8463 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 9:00 PM EDT	Special Weather Statement	FFC	Harris	30 min
Jun 19, 9:05 PM EDT	Special Weather Statement	FFC	Monroe	25 min
Jun 19, 9:21 PM EDT	Special Weather Statement	FFC	Treutlen	24 min
Jun 19, 9:32 PM EDT	Tornado Warning	FFC	Emanuel, Johnson, Laurens, Treutlen	28 min
Jun 19, 10:10 PM EDT	Special Weather Statement	FFC	Marion	35 min
Jun 19, 10:22 PM EDT	Special Weather Statement	FFC	Chattooga	38 min
Jun 19, 10:53 PM EDT	Special Weather Statement	FFC	Jefferson	37 min
Jun 19, 10:57 PM EDT	Special Weather Statement	FFC	Crawford, Taylor	48 min
Jun 19, 11:15 PM EDT	Flash Flood Warning	FFC	Chattooga	10 hr
Jun 19, 11:47 PM EDT	Special Weather Statement	FFC	Macon, Peach	28 min
Jun 20, 2:00 AM EDT	Special Weather Statement	FFC	Harris, Muscogee	30 min
Jun 20, 2:36 AM EDT	Special Weather Statement	FFC	Chattahoochee, Stewart	24 min
Jun 20, 3:02 AM EDT	Special Weather Statement	FFC	Chattahoochee, Marion, Stewart	28 min
Jun 20, 3:22 AM EDT	Tornado Warning	FFC	Chattahoochee, Marion, Schley, Taylor	23 min
Jun 20, 3:33 AM EDT	Special Weather Statement	FFC	Stewart	27 min
Jun 20, 3:46 AM EDT	Special Weather Statement	FFC	Taylor	29 min
Jun 20, 4:12 AM EDT	Tornado Warning	FFC	Macon, Marion, Schley, Sumter, Webster	33 min
Jun 20, 5:36 AM EDT	Special Weather Statement	FFC	Dooly, Sumter	24 min
Jun 20, 6:39 AM EDT	Special Weather Statement	FFC	Hancock, Warren	36 min

Nearby

Special Weather Statements in Georgia, 2021 Every 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.