Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 31, 20214 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Jul 31, 2021, 8:30 PM EDT for 4 counties in Georgia. It was in force for 30 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: Jul 31, 2021, 8:30 PM EDT (00:30 UTC)
Expired: Jul 31, 2021, 9:00 PM EDT
In force: 30 min
Issued by: NWS Atlanta, GA
Wind: 40

Counties Montgomery County, GA, Telfair County, GA, Toombs County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 104 km from the middle of the area, began a volume at 00:33 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

Jacksonville, FL (KJAX), launched 00:00Z, 0.5 hours before the alert went out and 187 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: 1917 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1320 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

606 
WWUS82 KFFC 010030
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
830 PM EDT Sat Jul 31 2021
 
GAZ110>113-010100-
Toombs GA-Wheeler GA-Telfair GA-Montgomery GA-
830 PM EDT Sat Jul 31 2021

...SIGNIFICANT WEATHER ADVISORY FOR TOOMBS...SOUTHERN WHEELER...
TELFAIR AND MONTGOMERY COUNTIES UNTIL 900 PM EDT...

At 830 PM EDT...a line of strong thunderstorms was along a line
extending from near Ponderosa to near China Hill...and moving south
at 15 mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground lightning 
           and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of 
           light...unsecured objects. Heavy rain may cause temporary 
           street flooding especially in poor drainage areas.

Some locations in the path of these storms include
McRae, Lyons, Alamo, Mount Vernon, Vidalia, Helena, Lumber City,
Glenwood, Milan, Uvalda, Ailey, Scotland, Higgston, Santa Claus,
Alston, Jacksonville, Towns, Ohoopee, Horse Creek Wma and New Branch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3181 8314 3189 8320 3203 8306 3230 8236
      3229 8228 3232 8224 3232 8223 3217 8218
      3191 8223 3194 8228 3194 8238 3197 8244
      3196 8250 3195 8248 3195 8249 3196 8253
      3196 8257 3192 8268 3178 8286 3178 8300
TIME...MOT...LOC 0030Z 340DEG 14KT 3223 8223 3184 8312 

WIND...40MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 8:06 PM EDT	Special Weather Statement	FFC	Montgomery, Telfair, Toombs, Wheeler	24 min
Aug 1, 1:55 AM EDT	Special Weather Statement	FFC	Dade	50 min
Aug 1, 2:19 AM EDT	Special Weather Statement	FFC	Cobb, Fulton	26 min
Aug 1, 2:46 AM EDT	Special Weather Statement	FFC	DeKalb, Fulton	29 min
Aug 1, 3:24 AM EDT	Special Weather Statement	FFC	DeKalb, Henry, Rockdale	51 min
Aug 1, 3:29 AM EDT	Heat Advisory	FFC	Bibb, Bleckley, Crisp, Dodge, Dooly, Emanuel and 14 more	17 hr
Aug 1, 4:16 AM EDT	Special Weather Statement	FFC	Henry	29 min
Aug 1, 4:39 PM EDT	Special Weather Statement	FFC	Troup	51 min
Aug 1, 5:39 PM EDT	Special Weather Statement	FFC	Crawford, Peach, Talbot, Taylor	51 min
Aug 1, 6:30 PM EDT	Special Weather Statement	FFC	Houston, Peach	45 min
Aug 1, 6:54 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Houston, Macon	36 min
Aug 1, 7:06 PM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee	39 min
Aug 1, 7:29 PM EDT	Special Weather Statement	FFC	Pulaski	31 min
Aug 1, 7:39 PM EDT	Special Weather Statement	FFC	Treutlen	36 min
Aug 1, 7:41 PM EDT	Special Weather Statement	FFC	Crisp	49 min
Aug 1, 7:44 PM EDT	Special Weather Statement	FFC	Marion, Schley	46 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.