Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 28, 2021Wilcox County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 28, 2021, 6:39 PM EDT for Wilcox County, Georgia. It was in force for 36 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 28, 2021, 6:39 PM EDT (22:39 UTC)
Expired
Jul 28, 2021, 7:15 PM EDT
In force
36 min
Issued by
NWS Atlanta, GA
Wind
40

County Wilcox County, GA

The radar

The Robins AFB radar (KJGX), 92 km from the middle of the area, began a volume at 22:40 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.7 hours before the alert went out and 178 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, Tallahassee Rgnl, FL at 12:00Z on 2021-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 679 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, Tallahassee Rgnl, FL at 12:00Z on 2021-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
679 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

229 
WWUS82 KFFC 282239
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
639 PM EDT Wed Jul 28 2021
 
GAZ106-108-282315-
Crisp GA-Wilcox GA-
639 PM EDT Wed Jul 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CRISP AND
SOUTHWESTERN WILCOX COUNTIES UNTIL 715 PM EDT...

At 638 PM EDT...a strong thunderstorm was over Double Run, or 12
miles north of Ashburn...moving southwest at 10 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
Arabi, Pitts, Double Run and Hatley. 

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 3196 8357 3186 8342 3185 8341 3185 8361
      3180 8361 3181 8374
TIME...MOT...LOC 2238Z 040DEG 9KT 3188 8357 

WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:18 PM EDTSpecial Weather StatementFFCBleckley, Johnson, Laurens, Twiggs27 min
Jul 27, 8:20 PM EDTSpecial Weather StatementFFCMontgomery25 min
Jul 27, 8:48 PM EDTSpecial Weather StatementFFCLaurens, Treutlen27 min
Jul 27, 9:15 PM EDTSpecial Weather StatementFFCTreutlen30 min
Jul 27, 9:22 PM EDTSpecial Weather StatementFFCWheeler23 min
Jul 28, 4:07 PM EDTSpecial Weather StatementFFCMontgomery, Toombs, Treutlen23 min
Jul 28, 4:10 PM EDTSpecial Weather StatementFFCGlascock, Jefferson, Washington35 min
Jul 28, 4:33 PM EDTSpecial Weather StatementFFCMontgomery, Toombs, Treutlen, Wheeler27 min
Jul 28, 4:51 PM EDTSpecial Weather StatementFFCWashington24 min
Jul 28, 5:06 PM EDTSpecial Weather StatementFFCTelfair, Wheeler24 min
Jul 28, 5:19 PM EDTSpecial Weather StatementFFCWilkinson26 min
Jul 28, 5:31 PM EDTSpecial Weather StatementFFCWebster29 min
Jul 28, 5:33 PM EDTSpecial Weather StatementFFCTelfair27 min
Jul 28, 6:00 PM EDTSevere Thunderstorm WarningFFCDodge, Wilcox30 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.