Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 70, NWS Atlanta, GA

March 26, 2011Bartow County, Chattooga County, Floyd County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 26, 2011, 9:37 PM EDT for Bartow County, Chattooga County, Floyd County, Georgia. It was in force for 38 min. 4 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 26, 2011, 9:37 PM EDT (01:37 UTC)
Expired: Mar 26, 2011, 10:15 PM EDT
In force: 38 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Bartow County, GA, Chattooga County, GA, Floyd County, GA

The radar

The Atlanta radar (KFFC), 111 km from the middle of the area, began a volume at 01:39 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 26, 9:49 PM EDT	HAIL 1	Rome, GA
Mar 26, 9:55 PM EDT	HAIL 1	Rome, GA	PUBLIC REPORTED QUARTER-SIZED HAIL IN ROME.
Mar 26, 10:15 PM EDT	HAIL 1	Cartersville, GA	PUBLIC REPORTED QUARTER-SIZED HAIL IN BARTOW COUNTY.
Mar 26, 10:20 PM EDT	HAIL 1	Cartersville, GA	PUBLIC REPORTED NICKLE AND QUARTER SIZED HAIL IN CARTERSVILLE.

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 26, 9:19 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.6 hours before the alert went out and 113 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: 120 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 404 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

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

717 
WUUS52 KFFC 270137
SVRFFC
GAC015-055-115-270215-
/O.NEW.KFFC.SV.W.0070.110327T0137Z-110327T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
937 PM EDT SAT MAR 26 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARTOW COUNTY IN NORTHWEST GEORGIA
  EAST CENTRAL CHATTOOGA COUNTY IN NORTHWEST GEORGIA
  FLOYD COUNTY IN NORTHWEST GEORGIA

* UNTIL 1015 PM EDT

* AT 932 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 6 MILES WEST
  OF ROME...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SHANNON...ADAIRSVILLE...KINGSTON...TAYLORSVILLE...EUHARLEE...
  CASSVILLE...WHITE...CARTERSVILLE AND EMERSON.

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 400 AM EDT SUNDAY MORNING FOR
GEORGIA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 500 AM EDT
SUNDAY MORNING FOR NORTHERN GEORGIA.

&&

LAT...LON 3445 8520 3445 8510 3440 8510 3439 8499
      3440 8498 3439 8496 3440 8495 3441 8465
      3408 8466 3407 8492 3410 8505 3408 8515
      3410 8516 3410 8524 3419 8544
TIME...MOT...LOC 0137Z 292DEG 41KT 3427 8521

$$

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, 9:44 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, 12:48 PM EDT	Severe Thunderstorm Warning	FFC	Johnson, Laurens	42 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.