Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

June 20, 2021Hancock County, Warren County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 20, 2021, 6:39 AM EDT for Hancock County, Warren County, Georgia. It was in force for 36 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, 6:39 AM EDT (10:39 UTC)
Expired: Jun 20, 2021, 7:15 AM EDT
In force: 36 min
Issued by: NWS Atlanta, GA

Counties Hancock County, GA, Warren County, GA

The radar

The Robins AFB radar (KJGX), 98 km from the middle of the area, began a volume at 10:41 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, 10.7 hours before the alert went out and 155 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.

019 
WWUS82 KFFC 201039
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
639 AM EDT Sun Jun 20 2021
 
GAZ039-051-061-062-073>075-201115-
Taliaferro GA-Wilkes GA-Washington GA-Baldwin GA-Hancock GA-
Glascock GA-Warren GA-
639 AM EDT Sun Jun 20 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN TALIAFERRO...SOUTHERN
WILKES...NORTHERN WASHINGTON...NORTHEASTERN BALDWIN...HANCOCK...
WESTERN GLASCOCK AND WESTERN WARREN COUNTIES UNTIL 715 AM EDT...

At 639 AM EDT...National Weather Service doppler radar indicated a
strong storm within a tropical rain band along a line extending from
near Springfield to Beulah...and moving northeast at 35 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 these storms include
Sparta, Crawfordville, White Plains, Norwood, Sharon, Springfield,
Hamburg State Park, Shoals, Devereux, Jewell, Beulah, Beall Springs,
Underwood, Linton, Mayfield, Powelton, Barnett, Rocky Creek Fire
Dept., Raytown and Culverton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately.

LAT...LON 3361 8265 3319 8273 3306 8315 3345 8305
      3350 8298 3369 8262
TIME...MOT...LOC 1039Z 242DEG 32KT 3343 8301 3315 8309 

$$

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, 4:02 AM EDT	Special Weather Statement	FFC	Marion, Schley, Stewart, Webster	28 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

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.