Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 97, NWS Atlanta, GA

March 27, 20115 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 27, 2011, 3:51 PM EDT for 5 counties in Georgia. It was in force for 54 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: Mar 27, 2011, 3:51 PM EDT (19:51 UTC)
Expired: Mar 27, 2011, 4:45 PM EDT
In force: 54 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Dodge County, GA, Montgomery County, GA, Telfair County, GA, Toombs County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 91 km from the middle of the area, began a volume at 19:50 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, 4:02 PM EDT	HAIL 1	Mount Vernon, GA
Mar 27, 4:02 PM EDT	HAIL 1.25	Vidalia, 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

Jacksonville, FL (KJAX), launched 12:00Z, 7.9 hours before the alert went out and 199 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: 199 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 999 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 191 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

340 
WUUS52 KFFC 271951
SVRFFC
GAC091-209-271-279-309-272045-
/O.NEW.KFFC.SV.W.0097.110327T1951Z-110327T2045Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DODGE COUNTY IN CENTRAL GEORGIA
  MONTGOMERY COUNTY IN CENTRAL GEORGIA
  NORTHERN TELFAIR COUNTY IN CENTRAL GEORGIA
  WHEELER COUNTY IN CENTRAL GEORGIA
  TOOMBS COUNTY IN SOUTHEAST GEORGIA

* UNTIL 445 PM EDT

* AT 346 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR
  CHAUNCEY...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MILAN...HELENA...MCRAE...SCOTLAND...ALAMO...GLENWOOD...LUMBER
  CITY...MOUNT VERNON...AILEY...HIGGSTON...UVALDA...SANTA CLAUS...
  VIDALIA...LYONS AND ALSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

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 3192 8320 3219 8317 3221 8302 3215 8298
      3220 8286 3225 8280 3231 8236 3229 8235
      3231 8222 3218 8218 3191 8222 3196 8247
      3194 8249 3195 8255 3192 8267 3189 8269
TIME...MOT...LOC 1950Z 282DEG 32KT 3211 8306

$$

1 follow-up statement

154 
WWUS52 KFFC 272032
SVSFFC

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

GAC091-209-271-279-309-272045-
/O.CON.KFFC.SV.W.0097.000000T0000Z-110327T2045Z/
WHEELER GA-TOOMBS GA-TELFAIR GA-MONTGOMERY GA-DODGE GA-
432 PM EDT SUN MAR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHEASTERN DODGE...SOUTHERN MONTGOMERY...NORTHERN TELFAIR...
TOOMBS AND WHEELER COUNTIES...

AT 427 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
MILAN...MOVING EAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HELENA...WORKMORE...MCRAE...LITTLE OCMULGEE STATE PARK...SCOTLAND...
ALAMO...ROCK SPRINGS...PONDEROSA...OHOOPEE...SOUTH THOMPSON...TOOMBS
CENTRAL...NEW BRANCH...JOHNSON CORNER...MCNATT FALLS...GRAYS
LANDING...ENGLISH EDDY...CEDAR CROSSING...SANTA CLAUS...LYONS...
CHARLOTTEVILLE...UVALDA...ALSTON...AILEY...SPRING HILL...JORDAN...
GLENWOOD...TOWNS...LUMBER CITY...MOUNT VERNON AND CENTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3192 8320 3211 8317 3214 8295 3218 8282
      3222 8234 3218 8218 3191 8222 3196 8247
      3194 8249 3195 8255 3192 8267 3189 8269
TIME...MOT...LOC 2032Z 279DEG 47KT 3201 8297

$$

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, 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, 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.