Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 87, NWS Atlanta, GA

March 27, 2011Johnson County, Laurens County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 27, 2011, 12:48 PM EDT for Johnson County, Laurens County, Georgia. It was in force for 42 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 27, 2011, 12:48 PM EDT (16:48 UTC)
Expired: Mar 27, 2011, 1:30 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Johnson County, GA, Laurens County, GA

The radar

The Robins AFB radar (KJGX), 63 km from the middle of the area, began a volume at 16:50 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 27, 12:54 PM EDT	HAIL 1	1 Sw Tuckers Crossroad, GA
Mar 27, 12:55 PM EDT	TSTM WND DMG	1 W Lovett, GA	SEVERAL TREES DOWN
Mar 27, 12:55 PM EDT	TSTM WND DMG	Brewton, GA	SEVERAL TREES DOWN ON HIGHWAY 319.
Mar 27, 12:57 PM EDT	TSTM WND GST 60	8 N Dublin, GA	SUSTAINED 40 MPH...GUST TO 60 MPH.
Mar 27, 1:10 PM EDT	HAIL 0.88	Scott, GA
Mar 27, 1:18 PM EDT	HAIL 1.25	Adrian, GA
Mar 27, 1:20 PM EDT	HAIL 1.75	Adrian, GA

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
Mar 27, 9:55 AM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.8 hours before the alert went out and 189 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: 1069 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 471 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 293 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.8

Open this sounding in Storm Lab

The text

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

105 
WUUS52 KFFC 271648
SVRFFC
GAC167-175-271730-
/O.NEW.KFFC.SV.W.0087.110327T1648Z-110327T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1248 PM EDT SUN MAR 27 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LAURENS COUNTY IN CENTRAL GEORGIA
  JOHNSON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 130 PM EDT

* AT 1243 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 7 MILES NORTHWEST 
  OF DUBLIN...MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
  DUBLIN AND WRIGHTSVILLE.

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EDT SUNDAY
AFTERNOON FOR SOUTHERN GEORGIA.

&&

LAT...LON 3268 8250 3264 8249 3258 8260 3253 8257
      3253 8259 3252 8260 3252 8263 3250 8265
      3255 8304 3268 8303 3270 8297 3273 8295
      3278 8247
TIME...MOT...LOC 1648Z 276DEG 28KT 3263 8292

$$

2 follow-up statements

129 
WWUS52 KFFC 271655
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1255 PM EDT SUN MAR 27 2011

GAC167-175-271730-
/O.CON.KFFC.SV.W.0087.000000T0000Z-110327T1730Z/
LAURENS GA-JOHNSON GA-
1255 PM EDT SUN MAR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM EDT
FOR JOHNSON AND NORTHEASTERN LAURENS COUNTIES...

AT 1250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED ABOUT
3 MILES NORTHEAST OF DUBLIN...MOVING EAST AT 35 MPH. THIS STORM WILL
AFFECT THE BREWTON AREA WHICH WAS DAMAGED BY THE TORNADO LAST NIGHT!
MOVE TO A SAFE PLACE NOW!!

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BREWTON...LOVETT...SPANN...WRIGHTSVILLE...SCOTT...MEEKS AND KITE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED WEAK ROTATION WITHIN THIS STORM. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EDT SUNDAY
AFTERNOON FOR SOUTHERN GEORGIA.

&&

LAT...LON 3268 8250 3264 8249 3258 8260 3253 8257
      3252 8263 3251 8265 3250 8265 3258 8295
      3269 8293 3273 8290 3278 8247
TIME...MOT...LOC 1655Z 278DEG 30KT 3263 8283

$$

119 
WWUS52 KFFC 271722
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
122 PM EDT SUN MAR 27 2011

GAC167-175-271731-
/O.EXP.KFFC.SV.W.0087.000000T0000Z-110327T1730Z/
LAURENS GA-JOHNSON GA-
122 PM EDT SUN MAR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR JOHNSON AND NORTHEASTERN
LAURENS COUNTIES WILL BE ALLOWED TO EXPIRE AT 130 PM EDT...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF LAURENS AND
JOHNSON COUNTIES.

IF YOU SAW WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EDT SUNDAY
AFTERNOON FOR SOUTHERN GEORGIA.

LAT...LON 3268 8250 3264 8249 3258 8260 3253 8257
      3252 8263 3251 8265 3250 8265 3258 8295
      3269 8293 3273 8290 3278 8247
TIME...MOT...LOC 1721Z 288DEG 35KT 3252 8253

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 8:00 PM EDT	Tornado Warning	FFC	Bibb, Crawford, Houston, Peach, Twiggs, Wilkinson	45 min
Mar 26, 8:14 PM EDT	Severe Thunderstorm Warning	FFC	Marion, Schley, Stewart, Sumter, Webster	46 min
Mar 26, 8:23 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	43 min
Mar 26, 8:25 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Dade, Walker	50 min
Mar 26, 8:25 PM EDT	Tornado Warning	FFC	Stewart, Sumter, Webster	50 min
Mar 26, 8:39 PM EDT	Severe Thunderstorm Warning	FFC	Gilmer, Murray	51 min
Mar 26, 8:53 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	52 min
Mar 26, 9:14 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Fannin, Lumpkin, Union	46 min
Mar 26, 9:20 PM EDT	Severe Thunderstorm Warning	FFC	Johnson, Laurens, Wilkinson	40 min
Mar 26, 9:28 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Gilmer, Pickens	47 min
Mar 26, 9:37 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Chattooga, Floyd	38 min
Mar 26, 9:44 PM EDT	Severe Thunderstorm Warning	FFC	Hall, White	46 min
Mar 26, 9:44 PM EDT	Tornado Warning	FFC	Emanuel, Johnson, Laurens	46 min
Mar 26, 10:08 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, Paulding, Polk	52 min
Mar 26, 10:09 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Fulton, Henry	25 min
Mar 26, 10:22 PM EDT	Severe Thunderstorm Warning	FFC	Forsyth, Hall, Jackson	38 min
Mar 26, 10:30 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, DeKalb, Fulton, Gwinnett	60 min
Mar 26, 10:41 PM EDT	Severe Thunderstorm Warning	FFC	Haralson, Polk	49 min
Mar 26, 11:13 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, DeKalb, Henry, Newton, Oconee, Rockdale and 1 more	47 min
Mar 26, 11:56 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Douglas, Fulton	34 min
Mar 27, 1:38 AM EDT	Severe Thunderstorm Warning	FFC	Heard, Troup	52 min
Mar 27, 2:15 AM EDT	River Flood Warning	FFC	Forsyth, Fulton	29 hr
Mar 27, 3:00 AM EDT	Tornado Warning	FFC	Meriwether, Talbot, Troup, Upson	45 min
Mar 27, 3:55 AM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Lamar, Monroe, Peach, Upson	50 min
Mar 27, 6:08 AM EDT	Severe Thunderstorm Warning	FFC	Hall, Jackson	37 min
Mar 27, 6:22 AM EDT	Severe Thunderstorm Warning	FFC	Greene, Hancock, Taliaferro, Warren	38 min
Mar 27, 7:33 AM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette, Meriwether, Pike, Spalding	27 min
Mar 27, 7:38 AM EDT	River Flood Warning	FFC	Whitfield	46 hr
Mar 27, 10:30 AM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Talbot, Upson	30 min
Mar 27, 10:33 AM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Monroe	42 min
Mar 27, 10:57 AM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Monroe, Upson	48 min
Mar 27, 1:14 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Treutlen	46 min
Mar 27, 1:38 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Stewart	37 min
Mar 27, 2:01 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Laurens, Montgomery, Toombs, Treutlen, Wheeler	44 min
Mar 27, 2:22 PM EDT	Severe Thunderstorm Warning	FFC	Marion, Schley, Sumter, Webster	53 min
Mar 27, 2:32 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Pulaski	43 min
Mar 27, 2:52 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge	53 min
Mar 27, 3:01 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Montgomery, Treutlen, Wheeler	59 min
Mar 27, 3:11 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Dooly	49 min
Mar 27, 3:34 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Wilcox	56 min
Mar 27, 3:51 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Montgomery, Telfair, Toombs, Wheeler	54 min
Mar 27, 4:26 PM EDT	Severe Thunderstorm Warning	FFC	Dodge, Telfair, Wilcox	25 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; radar from the NEXRAD Level II archive.