Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 22, 2021Marion County, Schley County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 22, 2021, 6:05 PM EDT for Marion County, Schley County, Georgia. It was in force for 25 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 22, 2021, 6:05 PM EDT (22:05 UTC)
Expired
Jul 22, 2021, 6:30 PM EDT
In force
25 min
Issued by
NWS Atlanta, GA
Wind
50

Counties Marion County, GA, Schley County, GA

The radar

The Robins AFB radar (KJGX), 113 km from the middle of the area, began a volume at 22:09 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, 10.1 hours before the alert went out and 119 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 2021-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 420 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 2021-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
420 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
754 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

755 
WWUS82 KFFC 222205
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
605 PM EDT Thu Jul 22 2021
 
GAZ091-092-222230-
Schley GA-Marion GA-
605 PM EDT Thu Jul 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN SCHLEY AND MARION
COUNTIES UNTIL 630 PM EDT...

At 604 PM EDT...a strong thunderstorm was over Buena Vista...moving
southeast at 10 mph.

  HAZARD...40 to 50 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
Buena Vista, Ellaville, Putnam, Tazewell, Doyle, Draneville and Walls
Crossing.

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 3235 8462 3241 8440 3227 8425 3219 8437
      3221 8454
TIME...MOT...LOC 2204Z 319DEG 10KT 3232 8451 

WIND...50MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 9:49 PM EDTSpecial Weather StatementFFCGwinnett41 min
Jul 21, 10:21 PM EDTFlash Flood WarningFFCGwinnett, Walton6 hr
Jul 22, 12:29 AM EDTRiver Flood WarningFFCGwinnett107 min
Jul 22, 4:24 PM EDTSpecial Weather StatementFFCCrisp36 min
Jul 22, 5:50 PM EDTSpecial Weather StatementFFCMacon25 min
Jul 22, 5:59 PM EDTSpecial Weather StatementFFCBleckley31 min
Jul 22, 7:06 PM EDTSpecial Weather StatementFFCStewart24 min
Jul 22, 7:44 PM EDTFlash Flood WarningFFCStewart3 hr
Jul 22, 7:57 PM EDTSpecial Weather StatementFFCWashington33 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.