Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 26, 2021Walker County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 26, 2021, 4:04 PM EDT for Walker 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 26, 2021, 4:04 PM EDT (20:04 UTC)
Expired: Jul 26, 2021, 4:30 PM EDT
In force: 26 min
Issued by: NWS Atlanta, GA
Wind: 40

County Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 74 km from the middle of the area, began a volume at 20:04 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, 8.1 hours before the alert went out and 164 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: 1323 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 804 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

359 
WWUS82 KFFC 262004
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
404 PM EDT Mon Jul 26 2021
 
GAZ002-011-262030-
Chattooga GA-Walker GA-
404 PM EDT Mon Jul 26 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN CHATTOOGA AND SOUTHERN
WALKER COUNTIES UNTIL 430 PM EDT...

At 404 PM EDT...a strong thunderstorm was over Lafayette. This storm
was nearly stationary.

  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
Lafayette, Naomi, Center Post and Suttles Mill. 

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 3472 8543 3477 8524 3463 8511 3455 8544
TIME...MOT...LOC 2004Z 341DEG 4KT 3468 8532 

WIND...40MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 9:49 PM EDT	Special Weather Statement	FFC	Douglas	26 min
Jul 26, 3:42 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	33 min
Jul 26, 5:25 PM EDT	Special Weather Statement	FFC	Floyd	35 min
Jul 26, 6:13 PM EDT	Special Weather Statement	FFC	Clarke	32 min
Jul 26, 6:56 PM EDT	Special Weather Statement	FFC	Lamar	34 min
Jul 26, 7:33 PM EDT	Special Weather Statement	FFC	Lamar	27 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.