Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

June 19, 2021Macon County, Peach County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 19, 2021, 11:47 PM EDT for Macon County, Peach County, 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 19, 2021, 11:47 PM EDT (03:47 UTC)
Expired: Jun 20, 2021, 12:15 AM EDT
In force: 28 min
Issued by: NWS Atlanta, GA

Counties Macon County, GA, Peach County, GA

The radar

The Robins AFB radar (KJGX), 74 km from the middle of the area, began a volume at 03:50 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, 3.8 hours before the alert went out and 120 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.

436 
WWUS82 KFFC 200347
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
1147 PM EDT Sat Jun 19 2021
 
GAZ093>095-104-200415-
Macon GA-Peach GA-Sumter GA-Houston GA-
1147 PM EDT Sat Jun 19 2021

...SIGNIFICANT WEATHER ADVISORY FOR MACON...SOUTHERN PEACH...NORTHERN
SUMTER AND WESTERN HOUSTON COUNTIES UNTIL 1215 AM EDT...

At 1146 PM EDT...National Weather Service doppler radar indicated a
strong storm within a tropical rain band over Clearview, or near
Oglethorpe...moving northeast at 55 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
Perry, Fort Valley, Oglethorpe, Montezuma, Marshallville,
Andersonville, Saint Louis, Whitewater State Park, Meadowdale,
Fountainville, Andersonville National Historic, Clearview, Moss Oak,
Winchester, Bartlett and Miami Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately.

LAT...LON 3211 8417 3216 8419 3216 8418 3223 8418
      3223 8422 3227 8422 3254 8399 3256 8396
      3255 8395 3257 8394 3259 8391 3256 8376
      3242 8376
TIME...MOT...LOC 0346Z 225DEG 48KT 3226 8412 

$$

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 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
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.