Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 50, NWS Atlanta, GA

March 10, 2017Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 10, 2017, 4:52 AM EST for Troup County, Georgia. It was in force for 21 min. 7 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: Mar 10, 2017, 4:52 AM EST (09:52 UTC)
Expired: Mar 10, 2017, 5:13 AM EST
In force: 21 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Troup County, GA

The radar

The Atlanta radar (KFFC), 56 km from the middle of the area, began a volume at 09:53 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
Mar 10, 4:52 AM EST	TSTM WND DMG	1 Ese Sassafrass Hills, GA	A TREE WAS BLOWN DOWN ONTO A RESIDENCE ON NEW FRANKLIN ROAD.
Mar 10, 4:53 AM EST	TSTM WND DMG	1 W Lagrange, GA	A TREE WAS BLOWN DOWN ON WAVERLY WAY.
Mar 10, 4:54 AM EST	TSTM WND DMG	1 Ne Greenwich Woods Es, GA	A TREE WAS BLOWN DOWN ON POPLAR CIRCLE.
Mar 10, 4:54 AM EST	TSTM WND DMG	2 Sw Whitfield, GA	SEVERAL TREES WERE BLOWN DOWN ON PATILLO ROAD.
Mar 10, 4:58 AM EST	TSTM WND DMG	1 E Knott, GA	A TREE WAS BLOWN DOWN NEAR THE INTERSECTION OF KNOTT RD AND SMOKEY RD.
Mar 10, 5:02 AM EST	TSTM WND DMG	2 N Cottons Crossroads, GA	A TREE WAS BLOWN DOWN ON BARTLEY ROAD.
Mar 10, 5:07 AM EST	TSTM WND DMG	1 Sw Smiths Mill, GA	A TREE WAS BLOWN DOWN AT INTERSECTION OF FLAT SHOALS CHURCH RD AND SALEM FARM 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 00:00Z, 9.9 hours before the alert went out and 61 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2857 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

654 
WUUS52 KFFC 100952
SVRFFC
GAC285-101030-
/O.NEW.KFFC.SV.W.0050.170310T0952Z-170310T1030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
452 AM EST FRI MAR 10 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Troup County in west central Georgia...

* Until 530 AM EST

* At 452 AM EST, a severe thunderstorm was located over Wares
  Crossroads, or near Lagrange, moving east at 25 mph.

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

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Lagrange, Mountville, Cannonville, Hillcrest, Big Springs, Wares
  Crossroads, Louise, Baughs Crossroads, Smiths Crossroad and Long
  Cane.

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.

&&

LAT...LON 3315 8504 3314 8486 3288 8486 3287 8512
      3301 8519
TIME...MOT...LOC 0952Z 289DEG 23KT 3307 8507 

HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

631 
WWUS52 KFFC 101013
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
513 AM EST FRI MAR 10 2017

GAC285-101023-
/O.CAN.KFFC.SV.W.0050.000000T0000Z-170310T1030Z/
Troup GA-
513 AM EST FRI MAR 10 2017

...THE SEVERE THUNDERSTORM WARNING FOR TROUP COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.

LAT...LON 3315 8504 3314 8486 3288 8486 3287 8512
      3301 8519
TIME...MOT...LOC 1010Z 289DEG 23KT 3302 8491 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 1:36 AM EST	Severe Thunderstorm Warning	FFC	Catoosa, Chattooga, Dade, Walker	39 min
Mar 10, 2:12 AM EST	Special Weather Statement	FFC	Chattooga, Murray, Whitfield	48 min
Mar 10, 2:35 AM EST	Special Weather Statement	FFC	Bartow, Fannin, Floyd, Gilmer, Gordon, Pickens	40 min
Mar 10, 3:11 AM EST	Special Weather Statement	FFC	Carroll, Cherokee, Cobb, Dawson, Douglas, Forsyth and 9 more	34 min
Mar 10, 3:28 AM EST	Severe Thunderstorm Warning	FFC	Cherokee, Forsyth, Gwinnett, Hall	32 min
Mar 10, 3:39 AM EST	Special Weather Statement	FFC	Banks, Barrow, Carroll, Clayton, Cobb, DeKalb and 10 more	51 min
Mar 10, 4:13 AM EST	Special Weather Statement	FFC	Barrow, Butts, Clarke, Clayton, Coweta, DeKalb and 20 more	62 min
Mar 10, 4:57 AM EST	Severe Thunderstorm Warning	FFC	Butts, Jasper, Monroe	21 min
Mar 10, 5:12 AM EST	Special Weather Statement	FFC	Baldwin, Bibb, Chattahoochee, Crawford, Glascock, Greene and 21 more	48 min
Mar 10, 5:55 AM EST	Special Weather Statement	FFC	Bleckley, Chattahoochee, Crawford, Crisp, Dodge, Dooly and 20 more	50 min
Mar 10, 6:37 AM EST	Special Weather Statement	FFC	Bleckley, Crisp, Dodge, Dooly, Emanuel, Johnson and 10 more	38 min
Mar 10, 7:09 AM EST	Special Weather Statement	FFC	Montgomery, Telfair, Toombs, Wheeler, Wilcox	51 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017 Every 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.