Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 82, NWS Atlanta, GA

March 27, 20114 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 27, 2011, 6:22 AM EDT for 4 counties in Georgia. It was in force for 38 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
Mar 27, 2011, 6:22 AM EDT (10:22 UTC)
Expired
Mar 27, 2011, 7:00 AM EDT
In force
38 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Greene County, GA, Hancock County, GA, Taliaferro County, GA, Warren County, GA

The radar

The Robins AFB radar (KJGX), 106 km from the middle of the area, began a volume at 10:22 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

TimeReportWhereRemark
Mar 27, 6:26 AM EDTHAIL 1Siloam, GA

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, 10.4 hours before the alert went out and 172 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2011-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 120 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2011-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 343 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

908 
WUUS52 KFFC 271022
SVRFFC
GAC133-141-265-301-271100-
/O.NEW.KFFC.SV.W.0082.110327T1022Z-110327T1100Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN GREENE COUNTY IN EAST CENTRAL GEORGIA
  NORTHEASTERN HANCOCK COUNTY IN EAST CENTRAL GEORGIA
  SOUTHERN TALIAFERRO COUNTY IN EAST CENTRAL GEORGIA
  WARREN COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 700 AM EDT

* AT 621 AM 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 NEAR SILOAM...
  MOVING EAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITE
  PLAINS...CRAWFORDVILLE...SHARON...NORWOOD...WARRENTON AND CAMAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

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.

&&

LAT...LON 3333 8241 3342 8320 3360 8318 3357 8263
      3346 8258 3341 8254 3336 8254 3335 8251
      3334 8244
TIME...MOT...LOC 1022Z 276DEG 46KT 3350 8308

$$
2 follow-up statements
069 
WWUS52 KFFC 271034
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
634 AM EDT SUN MAR 27 2011

GAC133-271044-
/O.CAN.KFFC.SV.W.0082.000000T0000Z-110327T1100Z/
GREENE GA-
634 AM EDT SUN MAR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN GREENE
COUNTY IS CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE COUNTY...THUS THE WARNING HAS 
BEEN CANCELLED.

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 3336 8254 3341 8305 3349 8299 3352 8298
      3357 8301 3359 8301 3357 8263 3345 8258
      3341 8254
TIME...MOT...LOC 1034Z 276DEG 46KT 3348 8290

$$

GAC141-265-301-271100-
/O.CON.KFFC.SV.W.0082.000000T0000Z-110327T1100Z/
WARREN GA-TALIAFERRO GA-HANCOCK GA-
634 AM EDT SUN MAR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM EDT
FOR NORTH CENTRAL HANCOCK...SOUTHERN TALIAFERRO AND NORTHERN WARREN
COUNTIES...

AT 630 AM 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
SPRINGFIELD...MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
POWELTON...BARNETT...SHARON...RAYTOWN...NORWOOD...CADLEY...
WARRENTON...CAMAK AND MESENA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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 3336 8254 3341 8305 3349 8299 3352 8298
      3357 8301 3359 8301 3357 8263 3345 8258
      3341 8254
TIME...MOT...LOC 1034Z 276DEG 46KT 3348 8290

$$
920 
WWUS52 KFFC 271048
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
648 AM EDT SUN MAR 27 2011

GAC141-265-271058-
/O.CAN.KFFC.SV.W.0082.000000T0000Z-110327T1100Z/
TALIAFERRO GA-HANCOCK GA-
648 AM EDT SUN MAR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HANCOCK AND
SOUTHERN TALIAFERRO COUNTIES IS CANCELLED...

THE STORM HAS MOVED OUT OF THE COUNTIES...THEREFORE THE WARNING HAS 
BEEN CANCELLED.

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 3336 8254 3339 8282 3340 8283 3343 8282
      3344 8285 3347 8286 3352 8282 3351 8275
      3357 8271 3357 8263 3345 8258 3341 8254
TIME...MOT...LOC 1048Z 276DEG 46KT 3346 8269

$$

GAC301-271100-
/O.CON.KFFC.SV.W.0082.000000T0000Z-110327T1100Z/
WARREN GA-
648 AM EDT SUN MAR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM EDT
FOR NORTHERN WARREN COUNTY...

AT 644 AM 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
NORWOOD...MOVING EAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CADLEY...WARRENTON...CAMAK AND MESENA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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 3336 8254 3339 8282 3340 8283 3343 8282
      3344 8285 3347 8286 3352 8282 3351 8275
      3357 8271 3357 8263 3345 8258 3341 8254
TIME...MOT...LOC 1048Z 276DEG 46KT 3346 8269

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 8:00 PM EDTTornado WarningFFCBibb, Crawford, Houston, Peach, Twiggs, Wilkinson45 min
Mar 26, 8:14 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Stewart, Sumter, Webster46 min
Mar 26, 8:23 PM EDTSevere Thunderstorm WarningFFCFloyd, Polk43 min
Mar 26, 8:25 PM EDTSevere Thunderstorm WarningFFCChattooga, Dade, Walker50 min
Mar 26, 8:25 PM EDTTornado WarningFFCStewart, Sumter, Webster50 min
Mar 26, 8:39 PM EDTSevere Thunderstorm WarningFFCGilmer, Murray51 min
Mar 26, 8:53 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon52 min
Mar 26, 9:14 PM EDTSevere Thunderstorm WarningFFCDawson, Fannin, Lumpkin, Union46 min
Mar 26, 9:20 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens, Wilkinson40 min
Mar 26, 9:28 PM EDTSevere Thunderstorm WarningFFCCherokee, Gilmer, Pickens47 min
Mar 26, 9:37 PM EDTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd38 min
Mar 26, 9:44 PM EDTSevere Thunderstorm WarningFFCHall, White46 min
Mar 26, 9:44 PM EDTTornado WarningFFCEmanuel, Johnson, Laurens46 min
Mar 26, 10:08 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Paulding, Polk52 min
Mar 26, 10:09 PM EDTSevere Thunderstorm WarningFFCClayton, Fayette, Fulton, Henry25 min
Mar 26, 10:22 PM EDTSevere Thunderstorm WarningFFCForsyth, Hall, Jackson38 min
Mar 26, 10:30 PM EDTSevere Thunderstorm WarningFFCCobb, DeKalb, Fulton, Gwinnett60 min
Mar 26, 10:41 PM EDTSevere Thunderstorm WarningFFCHaralson, Polk49 min
Mar 26, 11:13 PM EDTSevere Thunderstorm WarningFFCBarrow, DeKalb, Henry, Newton, Oconee, Rockdale and 1 more47 min
Mar 26, 11:56 PM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Douglas, Fulton34 min
Mar 27, 1:38 AM EDTSevere Thunderstorm WarningFFCHeard, Troup52 min
Mar 27, 2:15 AM EDTRiver Flood WarningFFCForsyth, Fulton29 hr
Mar 27, 3:00 AM EDTTornado WarningFFCMeriwether, Talbot, Troup, Upson45 min
Mar 27, 3:55 AM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Lamar, Monroe, Peach, Upson50 min
Mar 27, 6:08 AM EDTSevere Thunderstorm WarningFFCHall, Jackson37 min
Mar 27, 7:33 AM EDTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether, Pike, Spalding27 min
Mar 27, 7:38 AM EDTRiver Flood WarningFFCWhitfield46 hr
Mar 27, 10:30 AM EDTSevere Thunderstorm WarningFFCMeriwether, Talbot, Upson30 min
Mar 27, 10:33 AM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Monroe42 min
Mar 27, 10:57 AM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Monroe, Upson48 min
Mar 27, 12:48 PM EDTSevere Thunderstorm WarningFFCJohnson, Laurens42 min
Mar 27, 1:14 PM EDTSevere Thunderstorm WarningFFCEmanuel, Treutlen46 min
Mar 27, 1:38 PM EDTSevere Thunderstorm WarningFFCChattahoochee, Stewart37 min
Mar 27, 2:01 PM EDTSevere Thunderstorm WarningFFCEmanuel, Laurens, Montgomery, Toombs, Treutlen, Wheeler44 min
Mar 27, 2:22 PM EDTSevere Thunderstorm WarningFFCMarion, Schley, Sumter, Webster53 min
Mar 27, 2:32 PM EDTSevere Thunderstorm WarningFFCDooly, Pulaski43 min
Mar 27, 2:52 PM EDTSevere Thunderstorm WarningFFCBleckley, Dodge53 min
Mar 27, 3:01 PM EDTSevere Thunderstorm WarningFFCLaurens, Montgomery, Treutlen, Wheeler59 min
Mar 27, 3:11 PM EDTSevere Thunderstorm WarningFFCCrisp, Dooly49 min
Mar 27, 3:34 PM EDTSevere Thunderstorm WarningFFCDodge, Wilcox56 min
Mar 27, 3:51 PM EDTSevere Thunderstorm WarningFFCDodge, Montgomery, Telfair, Toombs, Wheeler54 min
Mar 27, 4:26 PM EDTSevere Thunderstorm WarningFFCDodge, Telfair, Wilcox25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011Every 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.