Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

June 7, 2021Clarke County, Oconee County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 7, 2021, 5:45 PM EDT for Clarke County, Oconee County, Georgia. It was in force for 45 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
Jun 7, 2021, 5:45 PM EDT (21:45 UTC)
Expired
Jun 7, 2021, 6:30 PM EDT
In force
45 min
Issued by
NWS Atlanta, GA
Hail
0.25 in
Wind
40

Counties Clarke County, GA, Oconee County, GA

The radar

The Atlanta radar (KFFC), 123 km from the middle of the area, began a volume at 21:48 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, 9.8 hours before the alert went out and 117 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 2021-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 590 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 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
590 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

280 
WWUS82 KFFC 072145
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
545 PM EDT Mon Jun 7 2021
 
GAZ036-037-047-049-072230-
Morgan GA-Walton GA-Clarke GA-Oconee GA-
545 PM EDT Mon Jun 7 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MORGAN...EASTERN
WALTON...CLARKE AND OCONEE COUNTIES UNTIL 630 PM EDT...

At 544 PM EDT...a strong thunderstorm was over North High Shoals, or
near Watkinsville...moving northeast at 25 mph.

  HAZARD...Up to 40 mph wind...pea sized hail and frequent cloud to 
           ground lightning.

  IMPACT...Expect minor damage to tree limbs and blowing around of 
           light...unsecured objects.

Some locations in the path of this storm include
Watkinsville, Athens, Winterville, Bogart, North High Shoals,
Bostwick, Good Hope, Bishop, Athens-Clarke County, Whitehall,
Westgate Park, James Holland Youth Sports Cmpx, Beechwood Hills,
Oconee Heights, Eastville, Barnett Shoals, State Botanical Garden Of
Ga and Farmington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning.

LAT...LON 3401 8331 3388 8326 3370 8347 3379 8361
      3400 8349 3399 8348 3400 8346
TIME...MOT...LOC 2144Z 216DEG 23KT 3380 8349 

HAIL...0.25IN
WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 8:06 PM EDTSpecial Weather StatementFFCJones24 min
Jun 6, 9:16 PM EDTSpecial Weather StatementFFCOconee29 min
Jun 6, 9:30 PM EDTSevere Thunderstorm WarningFFCClarke, Oconee, Walton30 min
Jun 6, 9:53 PM EDTSpecial Weather StatementFFCClarke, Jackson37 min
Jun 7, 3:11 PM EDTSpecial Weather StatementFFCHouston34 min
Jun 7, 3:44 PM EDTSpecial Weather StatementFFCBibb31 min
Jun 7, 3:52 PM EDTSpecial Weather StatementFFCCoweta23 min
Jun 7, 4:04 PM EDTSpecial Weather StatementFFCJohnson26 min
Jun 7, 4:30 PM EDTSpecial Weather StatementFFCBibb45 min
Jun 7, 5:06 PM EDTSpecial Weather StatementFFCMontgomery, Toombs39 min
Jun 7, 6:06 PM EDTSpecial Weather StatementFFCJefferson24 min
Jun 7, 6:32 PM EDTSpecial Weather StatementFFCGilmer28 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.