Alert archive / Georgia / Tornado Warnings in 2017

Tornado Warning 4, NWS Atlanta, GA

January 21, 2017Troup County, Georgia

NWS Atlanta, GA issued this tornado warning at Jan 21, 2017, 8:33 AM EST for Troup County, Georgia. It was in force for 27 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 21, 2017, 8:33 AM EST (13:33 UTC)
Expired: Jan 21, 2017, 9:00 AM EST
In force: 27 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Troup County, GA

The radar

The Atlanta radar (KFFC), 58 km from the middle of the area, began a volume at 13:34 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

Time	Report	Where	Remark
Jan 21, 8:45 AM EST	TSTM WND DMG	2 Sw Lagrange, GA	EMERGENCY MANAGER REPORTS LIMBS AND TREES DOWN SOUTHWEST OF LAGRANGE.
Jan 21, 8:49 AM EST	TORNADO	Parkway Estates, GA	AN EF1 TORNADO WITH MAX WINDS OF 90 MPH TRACKED 5.6 MILES THROUGH TROUP CO SOUTH OF LAGRANGE...DOWNING TREES AND CAUSING MINOR DAMAGE TO A METAL BUILDING AND A LARGE DISTRIBUTION CENTER.

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, 1.6 hours before the alert went out and 63 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: 388 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 536 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

053 
WFUS52 KFFC 211333
TORFFC
GAC285-211400-
/O.NEW.KFFC.TO.W.0004.170121T1333Z-170121T1400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Peachtree City GA
833 AM EST SAT JAN 21 2017

The National Weather Service in Peachtree City has issued a

* Tornado Warning for...
  Troup County in west central Georgia...

* Until 900 AM EST
    
* At 833 AM EST, a severe thunderstorm capable of producing a tornado
  was located over Lakeview, or over Lanett, moving northeast at 40
  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...
  Lagrange, West Point, Piedmont Heights, Mountville, Cannonville,
  Big Springs, Louise, Baughs Crossroads, Smiths Crossroad and Long
  Cane.

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 3316 8486 3290 8486 3287 8506 3287 8518
      3300 8521
TIME...MOT...LOC 1333Z 246DEG 37KT 3290 8518 

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

$$

1 follow-up statement

118 
WWUS52 KFFC 211357
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
857 AM EST SAT JAN 21 2017

GAC285-211406-
/O.EXP.KFFC.TO.W.0004.000000T0000Z-170121T1400Z/
Troup GA-
857 AM EST SAT JAN 21 2017

...THE TORNADO WARNING FOR TROUP COUNTY WILL EXPIRE AT 900 AM EST...
    
The tornado threat has slightly diminished and the Tornado Warning 
has been cancelled. However, large hail and damaging winds remain 
likely and a Severe Thunderstorm Warning remains in effect for the 
area. 

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Peachtree City.

LAT...LON 3316 8486 3290 8486 3287 8506 3287 8518
      3300 8521
TIME...MOT...LOC 1356Z 246DEG 37KT 3298 8497 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 7:52 AM EST	Special Weather Statement	FFC	Heard, Troup	38 min
Jan 21, 8:28 AM EST	Special Weather Statement	FFC	Troup	32 min
Jan 21, 8:55 AM EST	Severe Thunderstorm Warning	FFC	Meriwether, Troup	35 min
Jan 21, 9:23 AM EST	Special Weather Statement	FFC	Coweta	37 min
Jan 21, 10:04 AM EST	Special Weather Statement	FFC	Coweta, Fayette, Troup	56 min
Jan 21, 10:14 AM EST	Severe Thunderstorm Warning	FFC	Harris, Muscogee	46 min
Jan 21, 10:22 AM EST	Special Weather Statement	FFC	Chattahoochee, Stewart	38 min
Jan 21, 10:35 AM EST	Tornado Warning	FFC	Harris, Muscogee, Talbot	25 min
Jan 21, 11:00 AM EST	Severe Thunderstorm Warning	FFC	Talbot, Upson	30 min
Jan 21, 11:01 AM EST	Special Weather Statement	FFC	Coweta, Fayette, Heard, Troup	59 min
Jan 21, 11:10 AM EST	Tornado Warning	FFC	Meriwether, Talbot, Upson	32 min
Jan 21, 11:16 AM EST	Severe Thunderstorm Warning	FFC	Taylor	29 min
Jan 21, 11:26 AM EST	Tornado Warning Tornado observed	FFC	Crawford, Taylor, Upson	34 min
Jan 21, 11:36 AM EST	Special Weather Statement	FFC	Coweta, Fayette	39 min
Jan 21, 11:39 AM EST	Severe Thunderstorm Warning	FFC	Lamar, Pike, Upson	36 min
Jan 21, 11:46 AM EST	Special Weather Statement	FFC	Macon, Peach, Schley, Sumter	44 min
Jan 21, 11:50 AM EST	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Monroe	25 min
Jan 21, 11:56 AM EST	Tornado Warning	FFC	Lamar	14 min
Jan 21, 12:04 PM EST	Severe Thunderstorm Warning	FFC	Houston, Macon, Peach	26 min
Jan 21, 12:06 PM EST	Tornado Warning	FFC	Houston, Macon, Peach	24 min
Jan 21, 12:10 PM EST	Special Weather Statement	FFC	Clayton, Fayette, Henry, Spalding	50 min
Jan 21, 12:13 PM EST	Tornado Warning Tornado observed	FFC	Monroe	15 min
Jan 21, 12:21 PM EST	Tornado Warning	FFC	Houston, Peach, Twiggs	24 min
Jan 21, 12:28 PM EST	River Flood Warning	FFC	DeKalb	24 hr
Jan 21, 12:28 PM EST	River Flood Warning	FFC	Gwinnett	24 hr
Jan 21, 12:42 PM EST	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Laurens, Pulaski, Twiggs	33 min
Jan 21, 12:43 PM EST	Tornado Warning	FFC	Twiggs, Wilkinson	32 min
Jan 21, 12:53 PM EST	Severe Thunderstorm Warning	FFC	Bleckley, Crisp, Dodge, Dooly, Laurens, Pulaski and 1 more	52 min
Jan 21, 12:57 PM EST	Tornado Warning	FFC	Bleckley, Laurens	33 min
Jan 21, 1:05 PM EST	Severe Thunderstorm Warning	FFC	Johnson, Laurens, Washington, Wilkinson	40 min
Jan 21, 1:11 PM EST	Severe Thunderstorm Warning	FFC	Baldwin, Hancock, Washington, Wilkinson	49 min
Jan 21, 1:24 PM EST	Severe Thunderstorm Warning	FFC	Emanuel, Johnson, Laurens, Treutlen	51 min
Jan 21, 1:24 PM EST	Tornado Warning	FFC	Johnson, Laurens	36 min
Jan 21, 1:27 PM EST	Tornado Warning	FFC	Baldwin, Hancock, Washington	34 min
Jan 21, 1:31 PM EST	Severe Thunderstorm Warning	FFC	Emanuel, Laurens, Montgomery, Telfair, Toombs, Treutlen and 1 more	44 min
Jan 21, 1:32 PM EST	Severe Thunderstorm Warning	FFC	Jefferson, Washington	43 min
Jan 21, 1:41 PM EST	Tornado Warning	FFC	Jefferson, Johnson	34 min
Jan 21, 2:12 PM EST	Severe Thunderstorm Warning	FFC	Emanuel, Montgomery, Telfair, Toombs, Treutlen, Wheeler	33 min
Jan 21, 2:14 PM EST	Severe Thunderstorm Warning	FFC	Jefferson	31 min
Jan 21, 2:26 PM EST	River Flood Warning	FFC	DeKalb	24 hr
Jan 21, 3:46 PM EST	River Flood Warning	FFC	Gwinnett	24 hr
Jan 21, 3:46 PM EST	River Flood Warning	FFC	Forsyth, Fulton	64 hr
Jan 21, 5:39 PM EST	River Flood Warning	FFC	Gwinnett, Walton	24 hr

Nearby

Tornado Warnings in Georgia, 2017 Every tornado warning in 2017 Tornadoes 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.