Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 25, 2021Douglas County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 25, 2021, 9:49 PM EDT for Douglas County, Georgia. It was in force for 26 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 25, 2021, 9:49 PM EDT (01:49 UTC)
Expired
Jul 25, 2021, 10:15 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Wind
40

County Douglas County, GA

The radar

The Atlanta radar (KFFC), 45 km from the middle of the area, began a volume at 01:52 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, 1.8 hours before the alert went out and 48 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 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 604 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 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
604 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1444 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

799 
WWUS82 KFFC 260149
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
949 PM EDT Sun Jul 25 2021
 
GAZ042>044-260215-
Douglas GA-Carroll GA-South Fulton GA-
949 PM EDT Sun Jul 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN DOUGLAS...EASTERN CARROLL
AND WESTERN SOUTH FULTON COUNTIES UNTIL 1015 PM EDT...

At 949 PM EDT...a strong thunderstorm was over Bill Arp, or near
Douglasville...moving southwest at 5 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
Douglasville, Villa Rica, Winston, Treasure Lake, Bill Arp, Fairplay,
Chapel Hill and Lake Val-Do-Mar.

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 3377 8486 3378 8484 3375 8470 3359 8474
      3361 8487 3366 8497
TIME...MOT...LOC 0149Z 027DEG 7KT 3369 8483 

WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 3:42 PM EDTSpecial Weather StatementFFCCatoosa, Whitfield33 min
Jul 26, 4:04 PM EDTSpecial Weather StatementFFCWalker26 min
Jul 26, 5:25 PM EDTSpecial Weather StatementFFCFloyd35 min
Jul 26, 6:13 PM EDTSpecial Weather StatementFFCClarke32 min
Jul 26, 6:56 PM EDTSpecial Weather StatementFFCLamar34 min
Jul 26, 7:33 PM EDTSpecial Weather StatementFFCLamar27 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.