Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 2, NWS Atlanta, GA

January 2, 2017Chattahoochee County, Marion County, Muscogee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 2, 2017, 6:06 PM EST for Chattahoochee County, Marion County, Muscogee County, Georgia. It was in force for 39 min. 2 reports 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
Jan 2, 2017, 6:06 PM EST (23:06 UTC)
Expired
Jan 2, 2017, 6:45 PM EST
In force
39 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Chattahoochee County, GA, Marion County, GA, Muscogee County, GA

The radar

The Maxwell AFB radar (KMXX), 87 km from the middle of the area, began a volume at 23:07 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
Jan 2, 6:25 PM ESTTSTM WND DMGMcdaniel Manor, GAREPORTS OF A DOWNED TREE BLOCKING THE ROADWAY ON VIBBERT AVE BY OLSEN HALL
Jan 2, 6:30 PM ESTTSTM WND DMGBattle Park, GATREE DOWN AT FORT BENNING ACCESS POINT 2... BLOCKING 1 LANE OF TRAFFIC

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 2, 4:46 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.1 hours before the alert went out and 111 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 2017-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

269 
WUUS52 KFFC 022306
SVRFFC
GAC053-197-215-022345-
/O.NEW.KFFC.SV.W.0002.170102T2306Z-170102T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
606 PM EST MON JAN 2 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  West central Marion County in west central Georgia...
  Chattahoochee County in west central Georgia...
  Muscogee County in west central Georgia...

* Until 645 PM EST

* At 606 PM EST, a severe thunderstorm was located over Fort Mitchell
  Activity Center, or 11 miles south of Phenix City, moving east at
  60 mph.

  HAZARD...60 mph wind gusts...possible tornado...and penny size
           hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Columbus, Cusseta, Upatoi, Fort Benning/lawson Army Air Fld, Bibb
  City, North Fort Benning, Edgewood, Eelbeck/West Fort Benning,
  Kenwood, Rose Hill, Avondale, Benning Park, Manta, Columbus
  Metropolitan Airport, Saint Marys Hills, Vista Terrace, Zellobee,
  Green Island Hills, Benning Hills and Flat Rock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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.

&&

A tornado watch remains in effect until 1100 PM EST for west central
Georgia.

LAT...LON 3261 8507 3260 8491 3258 8491 3258 8469
      3255 8467 3252 8469 3253 8466 3227 8452
      3223 8480 3222 8481 3223 8482 3223 8492
      3225 8492 3226 8489 3230 8494 3233 8501
      3243 8496 3245 8500 3252 8500 3258 8507
TIME...MOT...LOC 2306Z 255DEG 50KT 3230 8503 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$
1 follow-up statement
916 
WWUS52 KFFC 022336
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
636 PM EST MON JAN 2 2017

GAC197-022345-
/O.CAN.KFFC.SV.W.0002.000000T0000Z-170102T2345Z/
Marion GA-
636 PM EST MON JAN 2 2017

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL MARION COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning will remain out
of the warned area through 645 PM EST. Therefore, the warning has
been cancelled.

A tornado watch remains in effect until 1100 PM EST for west central
Georgia.

LAT...LON 3229 8491 3241 8496 3250 8482 3242 8468
      3231 8475
TIME...MOT...LOC 2335Z 256DEG 22KT 3237 8485 

$$

GAC053-215-022345-
/O.CON.KFFC.SV.W.0002.000000T0000Z-170102T2345Z/
Chattahoochee GA-Muscogee GA-
636 PM EST MON JAN 2 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EST
FOR CENTRAL CHATTAHOOCHEE AND SOUTHEASTERN MUSCOGEE COUNTIES...

At 635 PM EST, a severe thunderstorm was located near Sand Hill, or
near Cusseta, moving east at 25 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Cusseta, North Fort Benning, Eelbeck/West Fort Benning, Sand Hill,
Custer Road Terrace, Benning Hills and Battle Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

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.

&&

A tornado watch remains in effect until 1100 PM EST for west central
Georgia.

LAT...LON 3229 8491 3241 8496 3250 8482 3242 8468
      3231 8475
TIME...MOT...LOC 2335Z 256DEG 22KT 3237 8485 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 10:21 PM ESTSpecial Weather StatementFFCMacon, Schley, Sumter39 min
Jan 1, 10:44 PM ESTSpecial Weather StatementFFCSumter46 min
Jan 1, 11:28 PM ESTSpecial Weather StatementFFCMacon32 min
Jan 1, 11:37 PM ESTSpecial Weather StatementFFCBibb23 min
Jan 2, 12:11 AM ESTSpecial Weather StatementFFCHouston, Peach34 min
Jan 2, 1:07 AM ESTSpecial Weather StatementFFCChattahoochee, Stewart23 min
Jan 2, 3:00 AM ESTSpecial Weather StatementFFCTwiggs30 min
Jan 2, 3:31 AM ESTSpecial Weather StatementFFCTwiggs29 min
Jan 2, 4:40 AM ESTFlood WatchFFCBaldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 38 more26 hr
Jan 2, 1:39 PM ESTSpecial Weather StatementFFCLaurens51 min
Jan 2, 1:51 PM ESTTornado WarningFFCLaurens39 min
Jan 2, 2:29 PM ESTTornado WarningFFCLaurens29 min
Jan 2, 2:52 PM ESTSevere Thunderstorm WarningFFCJohnson23 min
Jan 2, 3:17 PM ESTSpecial Weather StatementFFCEmanuel28 min
Jan 2, 3:45 PM ESTSpecial Weather StatementFFCEmanuel30 min
Jan 2, 5:31 PM ESTSpecial Weather StatementFFCStewart, Webster29 min
Jan 2, 5:37 PM ESTTornado Warning Tornado observedFFCStewart, Webster38 min
Jan 2, 6:14 PM ESTSevere Thunderstorm WarningFFCMarion, Schley, Sumter, Webster31 min
Jan 2, 6:44 PM ESTSpecial Weather StatementFFCSchley31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017

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.