Alert archive / Georgia / Tornado Warnings in 2016

Tornado Warning 20, NWS Atlanta, GA

December 29, 2016Macon County, Taylor County, Georgia

NWS Atlanta, GA issued this tornado warning at Dec 29, 2016, 9:06 AM EST for Macon County, Taylor County, Georgia. It was in force for 24 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
Dec 29, 2016, 9:06 AM EST (14:06 UTC)
Expired
Dec 29, 2016, 9:30 AM EST
In force
24 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Macon County, GA, Taylor County, GA

The radar

The Robins AFB radar (KJGX), 63 km from the middle of the area, began a volume at 14:05 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
Dec 29, 9:38 AM ESTTSTM WND DMG2 Ese Marshallville, GA1 TREE REPORTED DOWN NEAR THE INTERSECTION OF HWY 127E AND ORCHARD RD... 2.3 MILES ESE OF MARSHALLVILLE... GA. TREE WAS DOWN OVER BOTH SIDES OF THE ROAD... BLOCKING TRAFFIC... AND BROUGHT DOWN POWER LINES AS WELL.

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, 2.1 hours before the alert went out and 112 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 2016-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 405 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 2016-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.1939587897117136Sfc1 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
405 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
631 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

898 
WFUS52 KFFC 291406
TORFFC
GAC193-269-291430-
/O.NEW.KFFC.TO.W.0020.161229T1406Z-161229T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service PEACHTREE CITY GA
906 AM EST THU DEC 29 2016

The National Weather Service in PEACHTREE CITY has issued a

* Tornado Warning for...
  Southeastern Taylor County in west central Georgia...
  Northern Macon County in west central Georgia...

* Until 930 AM EST
    
* At 906 AM EST, a severe thunderstorm capable of producing a tornado
  was located near Rupert, or near Butler, moving east at 45 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Marshallville, Winchester, Garden Valley, Saint Louis and Hicks. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.

&&

LAT...LON 3245 8428 3251 8427 3251 8392 3249 8393
      3248 8392 3250 8392 3249 8389 3247 8385
      3244 8385 3244 8384 3239 8384 3236 8389
TIME...MOT...LOC 1406Z 279DEG 38KT 3247 8422 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
1 follow-up statement
612 
WWUS52 KFFC 291420
SVSFFC

Severe Weather Statement
National Weather Service PEACHTREE CITY GA
920 AM EST THU DEC 29 2016

GAC269-291429-
/O.CAN.KFFC.TO.W.0020.000000T0000Z-161229T1430Z/
Taylor GA-
920 AM EST THU DEC 29 2016

...THE TORNADO WARNING FOR SOUTHEASTERN TAYLOR COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3242 8416 3251 8411 3251 8403 3250 8403
      3250 8402 3251 8402 3251 8392 3249 8393
      3248 8392 3250 8392 3247 8385 3244 8385
      3244 8384 3239 8384 3236 8389
TIME...MOT...LOC 1419Z 279DEG 38KT 3245 8405 

$$

GAC193-291430-
/O.CON.KFFC.TO.W.0020.000000T0000Z-161229T1430Z/
Macon GA-
920 AM EST THU DEC 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 AM EST FOR
NORTHEASTERN MACON COUNTY...
    
At 919 AM EST, a severe thunderstorm capable of producing a tornado
was located near Hicks, or 10 miles north of Oglethorpe, moving east
at 45 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Marshallville, Winchester, Garden Valley, Saint Louis and Hicks. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 3242 8416 3251 8411 3251 8403 3250 8403
      3250 8402 3251 8402 3251 8392 3249 8393
      3248 8392 3250 8392 3247 8385 3244 8385
      3244 8384 3239 8384 3236 8389
TIME...MOT...LOC 1419Z 279DEG 38KT 3245 8405 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 12:14 AM ESTSpecial Weather StatementFFCCatoosa, Dade, Walker46 min
Dec 29, 12:44 AM ESTSpecial Weather StatementFFCMurray, Whitfield31 min
Dec 29, 3:06 AM ESTSpecial Weather StatementFFCForsyth24 min
Dec 29, 3:18 AM ESTSpecial Weather StatementFFCGwinnett27 min
Dec 29, 3:31 AM ESTSpecial Weather StatementFFCJackson29 min
Dec 29, 3:38 AM ESTSevere Thunderstorm WarningFFCBanks, Barrow, Clarke, Hall, Jackson37 min
Dec 29, 4:12 AM ESTSpecial Weather StatementFFCClarke, Oglethorpe33 min
Dec 29, 4:26 AM ESTSpecial Weather StatementFFCMadison34 min
Dec 29, 4:35 AM ESTSpecial Weather StatementFFCCoweta25 min
Dec 29, 5:13 AM ESTSpecial Weather StatementFFCNewton32 min
Dec 29, 5:30 AM ESTSpecial Weather StatementFFCOglethorpe30 min
Dec 29, 5:52 AM ESTSpecial Weather StatementFFCPutnam23 min
Dec 29, 7:20 AM ESTSpecial Weather StatementFFCHancock25 min
Dec 29, 7:28 AM ESTSpecial Weather StatementFFCCrawford32 min
Dec 29, 8:01 AM ESTSpecial Weather StatementFFCGlascock, Jefferson29 min
Dec 29, 8:07 AM ESTSpecial Weather StatementFFCHancock23 min
Dec 29, 8:14 AM ESTSpecial Weather StatementFFCTalbot31 min
Dec 29, 8:27 AM ESTTornado WarningFFCMarion, Talbot19 min
Dec 29, 9:32 AM ESTSevere Thunderstorm WarningFFCHouston, Macon28 min
Dec 29, 10:05 AM ESTSpecial Weather StatementFFCPulaski25 min
Dec 29, 10:34 AM ESTSpecial Weather StatementFFCLaurens26 min

Nearby

Tornado Warnings in Georgia, 2016Every tornado warning in 2016Tornadoes in 2016

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.