Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

May 28, 2021Newton County, Rockdale County, Georgia

NWS Atlanta, GA issued this special weather statement at May 28, 2021, 9:23 PM EDT for Newton County, Rockdale County, Georgia. It was in force for 37 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
May 28, 2021, 9:23 PM EDT (01:23 UTC)
Expired
May 28, 2021, 10:00 PM EDT
In force
37 min
Issued by
NWS Atlanta, GA
Wind
50

Counties Newton County, GA, Rockdale County, GA

The radar

The Atlanta radar (KFFC), 67 km from the middle of the area, began a volume at 01:26 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, 1.4 hours before the alert went out and 61 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 2021-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 372 joules per kilogram.LCLEL10008507005003002001001 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 2021-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 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
372 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1344 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted.

354 
WWUS82 KFFC 290123
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
923 PM EDT Fri May 28 2021
 
GAZ046>048-290200-
Walton GA-Rockdale GA-Newton GA-
923 PM EDT Fri May 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR WALTON...ROCKDALE AND NEWTON
COUNTIES UNTIL 1000 PM EDT...

At 922 PM EDT...a strong thunderstorm was over Conyers...moving east
at 40 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
Conyers, Monroe, Covington, Social Circle, Oxford, Porterdale, Walnut
Grove, Between, Jersey, Lakeview Estates, Georgia International Horse
Park, Magnet, Almon, Milstead, Youth, Starrsville, Big Haynes Creek
Park, Brick Store, Gum Creek and Oak Hill.

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 3386 8377 3362 8366 3359 8369 3357 8368
      3355 8368 3351 8404 3351 8405 3353 8404
      3353 8406 3354 8405 3355 8408 3362 8411
      3372 8406
TIME...MOT...LOC 0122Z 248DEG 34KT 3363 8402 

WIND...50MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:24 PM EDTSpecial Weather StatementFFCBanks, Hall36 min
May 28, 9:42 PM EDTSpecial Weather StatementFFCChattahoochee, Muscogee33 min
May 28, 10:09 PM EDTSpecial Weather StatementFFCStewart51 min
May 28, 10:20 PM EDTSpecial Weather StatementFFCChattahoochee, Marion, Muscogee25 min
May 28, 11:02 PM EDTSpecial Weather StatementFFCBaldwin, Twiggs, Wilkinson28 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.