Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

July 28, 20214 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Jul 28, 2021, 4:33 PM EDT for 4 counties in Georgia. It was in force for 27 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 28, 2021, 4:33 PM EDT (20:33 UTC)
Expired: Jul 28, 2021, 5:00 PM EDT
In force: 27 min
Issued by: NWS Atlanta, GA
Wind: 40

Counties Montgomery County, GA, Toombs County, GA, Treutlen County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 111 km from the middle of the area, began a volume at 20:35 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

Jacksonville, FL (KJAX), launched 12:00Z, 8.6 hours before the alert went out and 187 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: 737 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 915 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: -18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

836 
WWUS82 KFFC 282033
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
433 PM EDT Wed Jul 28 2021
 
GAZ097-098-111>113-282100-
Toombs GA-Wheeler GA-Treutlen GA-Montgomery GA-Laurens GA-
433 PM EDT Wed Jul 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR TOOMBS...WHEELER...TREUTLEN...
MONTGOMERY AND SOUTHEASTERN LAURENS COUNTIES UNTIL 500 PM EDT...

At 432 PM EDT...a line of strong thunderstorms was along a line
extending from Rockledge to near Santa Claus...and moving southwest
at 20 mph.

  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 these storms include
Lyons, Soperton, Alamo, Mount Vernon, Vidalia, Glenwood, Uvalda,
Ailey, Higgston, Santa Claus, Alston, Tarrytown, Ohoopee, New Branch,
Lothair, Cedar Grove, Rockledge, Barnhill, McNatt Falls and South
Thompson.

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 3194 8228 3195 8231 3193 8231 3194 8238
      3196 8238 3195 8239 3197 8244 3196 8250
      3195 8248 3195 8249 3196 8255 3231 8303
      3251 8268 3231 8235 3229 8235 3229 8233
      3222 8221 3216 8218 3191 8223
TIME...MOT...LOC 2032Z 043DEG 18KT 3242 8271 3214 8231 

WIND...40MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 8:18 PM EDT	Special Weather Statement	FFC	Bleckley, Johnson, Laurens, Twiggs	27 min
Jul 27, 8:20 PM EDT	Special Weather Statement	FFC	Montgomery	25 min
Jul 27, 8:48 PM EDT	Special Weather Statement	FFC	Laurens, Treutlen	27 min
Jul 27, 9:15 PM EDT	Special Weather Statement	FFC	Treutlen	30 min
Jul 27, 9:22 PM EDT	Special Weather Statement	FFC	Wheeler	23 min
Jul 28, 4:07 PM EDT	Special Weather Statement	FFC	Montgomery, Toombs, Treutlen	23 min
Jul 28, 4:10 PM EDT	Special Weather Statement	FFC	Glascock, Jefferson, Washington	35 min
Jul 28, 4:51 PM EDT	Special Weather Statement	FFC	Washington	24 min
Jul 28, 5:06 PM EDT	Special Weather Statement	FFC	Telfair, Wheeler	24 min
Jul 28, 5:19 PM EDT	Special Weather Statement	FFC	Wilkinson	26 min
Jul 28, 5:31 PM EDT	Special Weather Statement	FFC	Webster	29 min
Jul 28, 5:33 PM EDT	Special Weather Statement	FFC	Telfair	27 min
Jul 28, 6:00 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Wilcox	30 min
Jul 28, 6:39 PM EDT	Special Weather Statement	FFC	Wilcox	36 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.