Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

March 16, 2021Macon County, Schley County, Georgia

NWS Atlanta, GA issued this special weather statement at Mar 16, 2021, 7:49 PM EDT for Macon County, Schley 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
Mar 16, 2021, 7:49 PM EDT (23:49 UTC)
Expired
Mar 16, 2021, 8:15 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Wind
40

Counties Macon County, GA, Schley County, GA

The radar

The Robins AFB radar (KJGX), 106 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.8 hours before the alert went out and 130 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 2021-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2021-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 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
4 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
486 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

502 
WWUS82 KFFC 162349
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
749 PM EDT Tue Mar 16 2021
 
GAZ080-091>093-104-170015-
Macon GA-Schley GA-Taylor GA-Sumter GA-Marion GA-
749 PM EDT Tue Mar 16 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MACON...SCHLEY...
SOUTHERN TAYLOR...NORTHWESTERN SUMTER AND SOUTHEASTERN MARION
COUNTIES UNTIL 815 PM EDT...

At 749 PM EDT...a strong thunderstorm was near Putnam, or near
Ellaville...moving northeast at 30 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 this storm include
Ellaville, Oglethorpe, Montezuma, Ideal, Andersonville, Putnam,
Murrays Crossroads, Whitewater State Park, Fountainville, Rupert, La
Crosse, Draneville, Andersonville National Historic, Friendship,
Clearview, Doyle, Bumphead, Bartlett and Walls Crossing.

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 3206 8443 3213 8443 3213 8448 3224 8454
      3246 8428 3239 8402 3218 8403
TIME...MOT...LOC 2349Z 244DEG 27KT 3221 8441 

WIND...40MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 11:45 PM EDTSpecial Weather StatementFFCFloyd30 min
Mar 16, 10:04 AM EDTRiver Flood WarningFFCDade3 days
Mar 16, 10:04 AM EDTRiver Flood WarningFFCChattooga68 hr
Mar 16, 10:04 AM EDTRiver Flood WarningFFCForsyth, Fulton40 hr
Mar 16, 6:42 PM EDTSpecial Weather StatementFFCStewart, Webster33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.