Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

August 25, 2021Harris County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 25, 2021, 5:14 PM EDT for Harris County, Georgia. It was in force for 31 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 25, 2021, 5:14 PM EDT (21:14 UTC)
Expired: Aug 25, 2021, 5:45 PM EDT
In force: 31 min
Issued by: NWS Atlanta, GA
Wind: 40

County Harris County, GA

The radar

The Maxwell AFB radar (KMXX), 72 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 91 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: 1222 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1035 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

549 
WWUS82 KFFC 252114
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
514 PM EDT Wed Aug 25 2021
 
GAZ078-089-252145-
Harris GA-Muscogee GA-
514 PM EDT Wed Aug 25 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN
MUSCOGEE AND HARRIS COUNTIES THROUGH 545 PM EDT...

At 513 PM EDT...a strong thunderstorm was over Hamilton...moving
southwest at 15 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 this storm include
Columbus, Hamilton, Pine Mountain, Waverly Hall, Bibb City, Goat Rock
Lake, Ellerslie, Edgewood, Highland Park, Laurel Hills, Green Island
Hills, Cataula, Columbus Metropolitan Airport, Rose Hill, Mountain
Hill, Avondale, Fortson, Mulberry Grove, Whitesville-Pine Lake and
Lake Harding.

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 3287 8496 3287 8484 3268 8474 3244 8498
      3246 8500 3252 8501 3258 8507 3262 8509
      3263 8508 3264 8511 3266 8509 3269 8512
      3272 8512 3274 8511 3276 8514 3278 8512
      3281 8517 3283 8517
TIME...MOT...LOC 2113Z 062DEG 13KT 3274 8488 

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 8:11 PM EDT	Special Weather Statement	FFC	Paulding	34 min
Aug 25, 1:48 PM EDT	Special Weather Statement	FFC	Pulaski	42 min
Aug 25, 2:34 PM EDT	Special Weather Statement	FFC	Johnson	26 min
Aug 25, 2:49 PM EDT	Special Weather Statement	FFC	Crisp	26 min
Aug 25, 3:05 PM EDT	Special Weather Statement	FFC	Johnson	40 min
Aug 25, 3:15 PM EDT	Special Weather Statement	FFC	Murray	30 min
Aug 25, 4:36 PM EDT	Special Weather Statement	FFC	Dodge	24 min
Aug 25, 5:05 PM EDT	Special Weather Statement	FFC	Chattahoochee	25 min
Aug 25, 5:29 PM EDT	Special Weather Statement	FFC	Muscogee	31 min
Aug 25, 6:22 PM EDT	Special Weather Statement	FFC	Barrow, Clarke, Greene, Jackson, Oconee, Oglethorpe	23 min
Aug 25, 7:02 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Douglas, Fulton	28 min
Aug 25, 7:06 PM EDT	Special Weather Statement	FFC	Monroe	24 min
Aug 25, 7:15 PM EDT	Special Weather Statement	FFC	Haralson, Polk	30 min
Aug 25, 7:27 PM EDT	Special Weather Statement	FFC	Walton	33 min
Aug 25, 7:55 PM EDT	Special Weather Statement	FFC	Carroll	35 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.