Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 11, 2021Warren County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 11, 2021, 3:01 PM EDT for Warren County, Georgia. It was in force for 29 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 11, 2021, 3:01 PM EDT (19:01 UTC)
Expired
Jul 11, 2021, 3:30 PM EDT
In force
29 min
Issued by
NWS Atlanta, GA
Wind
40

County Warren County, GA

The radar

The Robins AFB radar (KJGX), 92 km from the middle of the area, began a volume at 18:59 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 12:00Z, 7.0 hours before the alert went out and 159 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 12:00Z on 2021-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 12:00Z on 2021-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
51 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

823 
WWUS82 KFFC 111901
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
301 PM EDT Sun Jul 11 2021
 
GAZ051-061-062-111930-
Taliaferro GA-Hancock GA-Warren GA-
301 PM EDT Sun Jul 11 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN TALIAFERRO...
NORTHEASTERN HANCOCK AND SOUTHWESTERN WARREN COUNTIES UNTIL 330 PM
EDT...

At 301 PM EDT...a strong thunderstorm was over Culverton, or 7 miles
northeast of Sparta...moving northeast 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 this storm include
Warrenton, Norwood, Camak, Powelton, Jewell, Beall Springs, Mesena,
Mayfield and Culverton.

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 3324 8281 3326 8291 3331 8292 3350 8288
      3350 8272 3346 8259 3332 8263
TIME...MOT...LOC 1901Z 211DEG 15KT 3334 8286 

WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 1:54 PM EDTSpecial Weather StatementFFCChattahoochee36 min
Jul 11, 1:56 PM EDTSpecial Weather StatementFFCMuscogee64 min
Jul 11, 2:13 PM EDTSpecial Weather StatementFFCSchley32 min
Jul 11, 2:48 PM EDTSpecial Weather StatementFFCMacon, Schley, Taylor, Webster27 min
Jul 11, 3:20 PM EDTSpecial Weather StatementFFCMacon, Schley25 min
Jul 11, 4:29 PM EDTSpecial Weather StatementFFCJohnson46 min
Jul 11, 5:06 PM EDTSpecial Weather StatementFFCCandler24 min
Jul 11, 5:36 PM EDTSpecial Weather StatementFFCEmanuel24 min
Jul 11, 7:46 PM EDTSpecial Weather StatementFFCCatoosa, Chattooga, Dade, Walker, Whitfield44 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.