Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 19, 2021Jasper County, Newton County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 19, 2021, 5:04 PM EDT for Jasper County, Newton 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
Aug 19, 2021, 5:04 PM EDT (21:04 UTC)
Expired
Aug 19, 2021, 5:30 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Wind
40

Counties Jasper County, GA, Newton County, GA

The radar

The Atlanta radar (KFFC), 79 km from the middle of the area, began a volume at 21:08 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, 9.1 hours before the alert went out and 73 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 2021-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 603 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 2021-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
603 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

578 
WWUS82 KFFC 192104
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
504 PM EDT Thu Aug 19 2021
 
GAZ048-049-058-059-192130-
Butts GA-Morgan GA-Jasper GA-Newton GA-
504 PM EDT Thu Aug 19 2021

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF WEST CENTRAL MORGAN,
SOUTHEASTERN BUTTS, NORTHWESTERN JASPER AND SOUTHEASTERN NEWTON
COUNTIES THROUGH 530 PM EDT...

At 504 PM EDT...a line of strong thunderstorms was along a line
extending from near Starrsville to North Alcovy to Flovilla...and
moving east at 10 mph.

HAZARD...Up to 40 mph wind...frequent cloud to ground lightning and 
         heavy rain.

SOURCE...Radar indicated.

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
Covington, Monticello, Rutledge, Newborn, Flovilla, Mansfield,
Stewart, Turtle Cove, Starrsville, Brick Store, Calvin, Farrar,
Eudora, North Alcovy and McElheneys Crossroads.

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 3341 8363 3323 8373 3321 8394 3340 8387
      3360 8387 3363 8371 3362 8369 3361 8370
      3360 8368 3365 8364 3365 8362
TIME...MOT...LOC 2104Z 250DEG 5KT 3358 8380 3343 8379 3323 8388 

MAX HAIL SIZE...
MAX WIND GUST...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 8:13 PM EDTRiver Flood WarningFFCBibb, Houston, Jones, Monroe, Twiggs16 hr
Aug 19, 1:54 PM EDTSpecial Weather StatementFFCBartow36 min
Aug 19, 2:21 PM EDTSpecial Weather StatementFFCTwiggs24 min
Aug 19, 2:23 PM EDTSpecial Weather StatementFFCWhite22 min
Aug 19, 2:32 PM EDTSpecial Weather StatementFFCHaralson28 min
Aug 19, 3:07 PM EDTSpecial Weather StatementFFCPolk23 min
Aug 19, 3:12 PM EDTSpecial Weather StatementFFCHall33 min
Aug 19, 3:24 PM EDTSpecial Weather StatementFFCFulton36 min
Aug 19, 3:33 PM EDTFlash Flood WarningFFCPolk3 hr
Aug 19, 3:38 PM EDTSpecial Weather StatementFFCBanks22 min
Aug 19, 4:04 PM EDTSpecial Weather StatementFFCDeKalb, Gwinnett26 min
Aug 19, 4:35 PM EDTSpecial Weather StatementFFCGwinnett25 min
Aug 19, 4:41 PM EDTRiver Flood WarningFFCPolk6 hr
Aug 19, 5:01 PM EDTSpecial Weather StatementFFCBarrow, Walton29 min
Aug 19, 5:13 PM EDTSpecial Weather StatementFFCMeriwether32 min
Aug 19, 5:32 PM EDTRiver Flood WarningFFCGwinnett112 min
Aug 19, 5:36 PM EDTSpecial Weather StatementFFCMorgan24 min
Aug 19, 6:11 PM EDTSpecial Weather StatementFFCUpson34 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.