Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

May 11, 2021Twiggs County, Georgia

NWS Atlanta, GA issued this special weather statement at May 11, 2021, 7:48 PM EDT for Twiggs County, Georgia. It was in force for 27 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 11, 2021, 7:48 PM EDT (23:48 UTC)
Expired
May 11, 2021, 8:15 PM EDT
In force
27 min
Issued by
NWS Atlanta, GA
Hail
0.75 in
Wind
40

County Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 13 km from the middle of the area, began a volume at 23:51 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.

What was reported inside it

TimeReportWhereRemark
May 11, 8:02 PM EDTTSTM WND DMG3 Sse Bullard, GAREPORT OF A TREE BLOWN DOWN AT HWY 129 AND ADAMS PARK RD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.8 hours before the alert went out and 133 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 2021-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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 2021-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.19395878Sfc1 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
46 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

940 
WWUS82 KFFC 112348
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
748 PM EDT Tue May 11 2021
 
GAZ083-095-096-120015-
Houston GA-Bleckley GA-Twiggs GA-
748 PM EDT Tue May 11 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HOUSTON...
NORTHWESTERN BLECKLEY AND SOUTHERN TWIGGS COUNTIES UNTIL 815 PM
EDT...

At 748 PM EDT...a strong thunderstorm was over Bullard, or 10 miles
southwest of Jeffersonville...moving southeast at 15 mph.

  HAZARD...Winds up to 40 mph...up to penny sized hail and frequent 
           lightning.

  IMPACT...Expect minor damage to tree limbs and blowing around of 
           light...unsecured objects. Lightning is one of nature's 
           leading killers. If you can hear thunder...you are close 
           enough to be struck by lightning.

Some locations in the path of this storm include
Warner Robins, Danville, Robins Air Force Base, Marion, Royal, Coley
Station, Tarversville, District Path, Bullard, Porter and Cary.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. Electrical
appliances should not be used unless in an emergency.

LAT...LON 3258 8360 3270 8349 3260 8324 3259 8324
      3241 8340
TIME...MOT...LOC 2348Z 305DEG 13KT 3261 8350 

HAIL...0.75IN
WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 3:16 PM EDTSpecial Weather StatementFFCSpalding29 min
May 11, 3:34 PM EDTSevere Thunderstorm WarningFFCButts, Henry, Spalding26 min
May 11, 4:31 PM EDTSpecial Weather StatementFFCBaldwin29 min
May 11, 4:34 PM EDTSpecial Weather StatementFFCJasper26 min
May 11, 4:40 PM EDTSevere Thunderstorm WarningFFCBaldwin, Hancock, Putnam39 min
May 11, 4:45 PM EDTSevere Thunderstorm WarningFFCJasper, Jones23 min
May 11, 4:49 PM EDTSpecial Weather StatementFFCJefferson26 min
May 11, 5:53 PM EDTSpecial Weather StatementFFCHarris37 min
May 11, 6:22 PM EDTSpecial Weather StatementFFCUpson23 min
May 11, 7:22 PM EDTSpecial Weather StatementFFCWilkinson23 min
May 11, 7:59 PM EDTSevere Thunderstorm WarningFFCBleckley, Twiggs46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.