Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 18, 2021Emanuel County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 18, 2021, 11:15 AM EDT for Emanuel County, Georgia. It was in force for 30 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 18, 2021, 11:15 AM EDT (15:15 UTC)
Expired: Jul 18, 2021, 11:45 AM EDT
In force: 30 min
Issued by: NWS Atlanta, GA
Hail: 0.25 in
Wind: 40

County Emanuel County, GA

The radar

The Charleston,SC radar (KCLX), 98 km from the middle of the area, began a volume at 15:16 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

Charleston AFB, SC (KCHS), launched 12:00Z, 3.3 hours before the alert went out and 198 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 962 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

535 
WWUS82 KFFC 181515
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
1115 AM EDT Sun Jul 18 2021
 
GAZ086-181545-
Emanuel GA-
1115 AM EDT Sun Jul 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN EMANUEL COUNTY UNTIL
1145 AM EDT...

At 1115 AM EDT...a strong thunderstorm was over Garfield, or 13 miles
southwest of Millen...moving northeast at 55 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
Twin City, Garfield, Canoochee and George L Smith State Park. 

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 3256 8202 3255 8205 3256 8208 3252 8214
      3252 8215 3269 8225 3276 8212 3268 8209
      3266 8208 3261 8200
TIME...MOT...LOC 1515Z 239DEG 48KT 3265 8208 

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 8:04 PM EDT	Special Weather Statement	FFC	Madison	26 min
Jul 17, 8:30 PM EDT	Special Weather Statement	FFC	Toombs	30 min
Jul 17, 8:52 PM EDT	Special Weather Statement	FFC	Toombs	23 min
Jul 18, 11:20 AM EDT	Severe Thunderstorm Warning	FFC	Emanuel	25 min
Jul 18, 5:00 PM EDT	Special Weather Statement	FFC	Emanuel	30 min
Jul 18, 5:04 PM EDT	Special Weather Statement	FFC	Dodge	26 min
Jul 18, 5:10 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Wilcox	50 min
Jul 18, 5:34 PM EDT	Special Weather Statement	FFC	Toombs	26 min

Nearby

Special Weather Statements in Georgia, 2021 Every 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.