Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 506, NWS Atlanta, GA

November 16, 2011Bleckley County, Houston County, Twiggs County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Nov 16, 2011, 3:54 PM EST for Bleckley County, Houston County, Twiggs County, Georgia. It was in force for 36 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: Nov 16, 2011, 3:54 PM EST (20:54 UTC)
Expired: Nov 16, 2011, 4:30 PM EST
In force: 36 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Bleckley County, GA, Houston County, GA, Twiggs County, GA

What was reported inside it

Time	Report	Where	Remark
Nov 16, 4:09 PM EST	TSTM WND DMG	4 E Tarversville, GA	TWIGGS COUNTY 911 RELAYED REPORTS OF 2 DOWNED TREES ALONG LONG STREET IN THE SOUTHERN PORTION OF THE COUNTY.

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.

Issued	Product	Office	Lasted
Nov 16, 1:35 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.9 hours before the alert went out and 137 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: 627 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 484 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

683 
WUUS52 KFFC 162054
SVRFFC
GAC023-153-289-162130-
/O.NEW.KFFC.SV.W.0506.111116T2054Z-111116T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
354 PM EST WED NOV 16 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BLECKLEY COUNTY IN CENTRAL GEORGIA
  EAST CENTRAL HOUSTON COUNTY IN CENTRAL GEORGIA
  SOUTHERN TWIGGS COUNTY IN CENTRAL GEORGIA

* UNTIL 430 PM EST

* AT 351 PM EST...AMATEUR RADIO STORM SPOTTERS REPORTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED 20 MILES WEST
  OF DANVILLE...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TARVERSVILLE...DISTRICT PATH AND CARY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST WEDNESDAY EVENING
FOR GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 700 PM EST
WEDNESDAY EVENING FOR NORTHERN GEORGIA.

&&

LAT...LON 3257 8369 3265 8327 3258 8322 3254 8320
      3253 8320 3240 8361
TIME...MOT...LOC 2054Z 248DEG 40KT 3253 8354

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 11:23 AM EST	Special Weather Statement	FFC	Dade	67 min
Nov 16, 12:04 PM EST	Special Weather Statement	FFC	Floyd, Polk	41 min
Nov 16, 12:22 PM EST	Special Weather Statement	FFC	Carroll, Douglas	38 min
Nov 16, 12:46 PM EST	Tornado Warning	FFC	Cobb, Paulding	29 min
Nov 16, 1:06 PM EST	Tornado Warning	FFC	Cherokee, Cobb, Fulton	39 min
Nov 16, 1:11 PM EST	Tornado Warning	FFC	Harris, Troup	49 min
Nov 16, 1:25 PM EST	Severe Thunderstorm Warning	FFC	Cobb, DeKalb, Fulton	35 min
Nov 16, 1:28 PM EST	Severe Thunderstorm Warning	FFC	Cherokee, Forsyth	47 min
Nov 16, 1:42 PM EST	Special Weather Statement	FFC	Fannin, Murray	48 min
Nov 16, 1:44 PM EST	Tornado Warning	FFC	DeKalb, Fulton, Gwinnett	26 min
Nov 16, 1:52 PM EST	Tornado Warning	FFC	Harris, Meriwether, Talbot, Upson	38 min
Nov 16, 1:59 PM EST	Severe Thunderstorm Warning	FFC	Fannin, Union	31 min
Nov 16, 2:04 PM EST	Special Weather Statement	FFC	Hall	26 min
Nov 16, 2:13 PM EST	Special Weather Statement	FFC	Chattahoochee, Marion, Muscogee	47 min
Nov 16, 2:24 PM EST	Tornado Warning	FFC	Lamar, Meriwether, Pike, Talbot, Upson	36 min
Nov 16, 2:37 PM EST	Special Weather Statement	FFC	Murray	53 min
Nov 16, 2:41 PM EST	Severe Thunderstorm Warning	FFC	Chattahoochee, Marion	24 min
Nov 16, 2:56 PM EST	Special Weather Statement	FFC	Jasper, Lamar, Monroe	34 min
Nov 16, 3:00 PM EST	Special Weather Statement	FFC	Stewart, Webster	45 min
Nov 16, 3:08 PM EST	Tornado Warning	FFC	Jasper, Jones, Monroe, Putnam	39 min
Nov 16, 3:20 PM EST	Severe Thunderstorm Warning	FFC	Bibb, Twiggs, Wilkinson	40 min
Nov 16, 3:32 PM EST	Severe Thunderstorm Warning	FFC	Glascock, Jefferson, Washington	58 min
Nov 16, 3:38 PM EST	Special Weather Statement	FFC	Macon, Marion, Schley, Sumter, Webster	37 min
Nov 16, 3:44 PM EST	Special Weather Statement	FFC	Hancock, Putnam	46 min
Nov 16, 3:44 PM EST	Tornado Warning	FFC	Glascock, Jefferson, Washington	46 min
Nov 16, 4:03 PM EST	Severe Thunderstorm Warning	FFC	Baldwin, Washington, Wilkinson	42 min
Nov 16, 4:13 PM EST	Special Weather Statement	FFC	Macon, Schley, Sumter, Taylor	32 min
Nov 16, 4:17 PM EST	Severe Thunderstorm Warning	FFC	Laurens, Wilkinson	43 min
Nov 16, 4:21 PM EST	Special Weather Statement	FFC	Dooly	39 min
Nov 16, 4:23 PM EST	Tornado Warning	FFC	Jefferson, Washington	37 min
Nov 16, 4:50 PM EST	Tornado Warning	FFC	Johnson, Laurens	40 min
Nov 16, 5:00 PM EST	Special Weather Statement	FFC	Crisp	30 min
Nov 16, 5:00 PM EST	Tornado Warning	FFC	Jefferson	45 min
Nov 16, 5:06 PM EST	Tornado Warning	FFC	Jefferson	39 min
Nov 16, 5:21 PM EST	Special Weather Statement	FFC	Crisp, Pulaski, Wilcox	24 min
Nov 16, 5:27 PM EST	Tornado Warning	FFC	Emanuel	48 min
Nov 16, 5:41 PM EST	Special Weather Statement	FFC	Dodge, Pulaski, Wilcox	49 min
Nov 16, 5:54 PM EST	Severe Thunderstorm Warning	FFC	Dodge, Telfair, Wilcox	51 min
Nov 16, 6:40 PM EST	Severe Thunderstorm Warning	FFC	Telfair, Wheeler	37 min
Nov 16, 6:51 PM EST	Tornado Warning	FFC	Montgomery, Telfair, Wheeler	39 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every severe thunderstorm warning in 2011

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.