Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 6, 202111 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Jul 6, 2021, 8:12 PM EDT for 11 counties in Georgia. It was in force for 48 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 6, 2021, 8:12 PM EDT (00:12 UTC)
Expired
Jul 6, 2021, 9:00 PM EDT
In force
48 min
Issued by
NWS Atlanta, GA
Wind
40

Counties Baldwin County, GA, Bibb County, GA, Heard County, GA, Jones County, GA, Lamar County, GA, Meriwether County, GA, Monroe County, GA, Pike County, GA, Spalding County, GA, Troup County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 55 km from the middle of the area, began a volume at 00:15 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, 0.2 hours before the alert went out and 81 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 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 383 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 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
383 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1261 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

530 
WWUS82 KFFC 070012
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
812 PM EDT Tue Jul 6 2021
 
GAZ052>054-056-066>073-081>084-070100-
Fayette GA-Monroe GA-Coweta GA-Troup GA-Jones GA-Heard GA-
Meriwether GA-Pike GA-Twiggs GA-Wilkinson GA-Lamar GA-Baldwin GA-
Bibb GA-Upson GA-Crawford GA-Spalding GA-
812 PM EDT Tue Jul 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN FAYETTE...MONROE...
SOUTHERN COWETA...NORTHERN TROUP...JONES...SOUTHERN HEARD...
MERIWETHER...PIKE...NORTHERN TWIGGS...WILKINSON...LAMAR...BALDWIN...
NORTHERN BIBB...NORTHERN UPSON...NORTHERN CRAWFORD AND SPALDING
COUNTIES UNTIL 900 PM EDT...

At 810 PM EDT...a line of strong thunderstorms extended from 
LaGrange to Zebulon, Macon and Irwinton, moving north at 20 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
Macon, LaGrange, Griffin, Milledgeville, Barnesville, Forsyth, Gray,
Zebulon, Franklin, Greenville, Irwinton, Senoia, Hogansville,
Grantville, Gordon, Ivey, Woodbury, Luthersville, McIntyre and
Milner.

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 3334 8439 3320 8412 3320 8384 3313 8381
      3318 8345 3317 8333 3319 8326 3316 8312
      3306 8310 3307 8304 3295 8307 3288 8305
      3286 8301 3271 8295 3279 8347 3283 8402
      3295 8434 3303 8520 3331 8526
TIME...MOT...LOC 0010Z 160DEG 18KT 3302 8517 3306 8440 3285 8410 3286
8371 3274 8304

WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 8:47 PM EDTSpecial Weather StatementFFCButts, Carroll, Clayton, Coweta, Fayette, Henry43 min
Jul 7, 12:29 PM EDTSpecial Weather StatementFFCDodge, Montgomery, Telfair, Toombs, Wheeler, Wilcox46 min
Jul 7, 1:22 PM EDTSpecial Weather StatementFFCBleckley, Crisp, Dooly, Houston, Macon, Peach and 2 more38 min
Jul 7, 1:58 PM EDTSpecial Weather StatementFFCBibb, Crawford, Macon, Peach, Schley, Sumter and 3 more47 min
Jul 7, 2:44 PM EDTSpecial Weather StatementFFCBibb, Chattahoochee, Marion, Muscogee, Stewart, Talbot and 3 more61 min
Jul 7, 3:31 PM EDTSpecial Weather StatementFFCHarris, Lamar, Meriwether, Monroe, Pike44 min
Jul 7, 3:41 PM EDTSpecial Weather StatementFFCEmanuel34 min
Jul 7, 4:14 PM EDTTornado WarningFFCEmanuel31 min
Jul 7, 4:36 PM EDTTornado WarningFFCEmanuel24 min
Jul 7, 5:12 PM EDTSpecial Weather StatementFFCBartow, Dawson, Lumpkin, Pickens33 min
Jul 7, 6:10 PM EDTSpecial Weather StatementFFCFannin, Gilmer35 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.