Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 90, NWS Atlanta, GA

March 27, 20116 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 27, 2011, 2:01 PM EDT for 6 counties in Georgia. It was in force for 44 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, 2:01 PM EDT (18:01 UTC)
Expired
Mar 27, 2011, 2:45 PM EDT
In force
44 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Emanuel County, GA, Laurens County, GA, Montgomery County, GA, Toombs County, GA, Treutlen County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 105 km from the middle of the area, began a volume at 18:04 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, 2:10 PM EDTHAIL 1Soperton, GA
Mar 27, 2:20 PM EDTHAIL 1Soperton, 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.

IssuedProductOfficeLasted
Mar 27, 9:55 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.0 hours before the alert went out and 201 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, Jacksonville, FL at 12:00Z on 2011-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 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, Jacksonville, FL at 12:00Z on 2011-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 square meters per square second.1939587897Sfc1 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
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.

705 
WUUS52 KFFC 271801
SVRFFC
GAC107-175-209-279-283-309-271845-
/O.NEW.KFFC.SV.W.0090.110327T1801Z-110327T1845Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL LAURENS COUNTY IN CENTRAL GEORGIA
  NORTHERN MONTGOMERY COUNTY IN CENTRAL GEORGIA
  NORTH CENTRAL WHEELER COUNTY IN CENTRAL GEORGIA
  SOUTH CENTRAL EMANUEL COUNTY IN EAST CENTRAL GEORGIA
  SOUTHERN TREUTLEN COUNTY IN EAST CENTRAL GEORGIA
  NORTHERN TOOMBS COUNTY IN SOUTHEAST GEORGIA

* UNTIL 245 PM EDT

* AT 200 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 11 MILES WEST
  OF SOPERTON...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TARRYTOWN...HIGGSTON...VIDALIA...OAK PARK...SANTA CLAUS AND LYONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT 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 3213 8218 3208 8220 3204 8220 3234 8288
      3245 8287 3236 8224 3221 8219
TIME...MOT...LOC 1801Z 276DEG 38KT 3235 8276

$$
2 follow-up statements
724 
WWUS52 KFFC 271814
SVSFFC

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

GAC175-309-271823-
/O.CAN.KFFC.SV.W.0090.000000T0000Z-110327T1845Z/
WHEELER GA-LAURENS GA-
214 PM EDT SUN MAR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LAURENS AND NORTH
CENTRAL WHEELER COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED AWAY FROM LAURENS AND 
WHEELER 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 3212 8219 3205 8220 3228 8266 3229 8265
      3230 8266 3230 8268 3232 8272 3242 8265
      3236 8225 3220 8219 3214 8218
TIME...MOT...LOC 1813Z 282DEG 36KT 3234 8260

$$

GAC107-209-279-283-271845-
/O.CON.KFFC.SV.W.0090.000000T0000Z-110327T1845Z/
TREUTLEN GA-TOOMBS GA-MONTGOMERY GA-EMANUEL GA-
214 PM EDT SUN MAR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTH CENTRAL EMANUEL...NORTHERN MONTGOMERY...NORTHERN TOOMBS AND
SOUTHERN TREUTLEN COUNTIES...

AT 209 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 NEAR
LOTHAIR OR 2 MILES SOUTHWEST OF SOPERTON...MOVING EAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TARRYTOWN...ZAIDEE...KIBBEE...HIGGSTON...VIDALIA...NORMANTOWN...OAK
PARK...SANTA CLAUS...LYONS...PONDEROSA...OHOOPEE AND NEW BRANCH.

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.

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

&&

LAT...LON 3212 8219 3205 8220 3228 8266 3229 8265
      3230 8266 3230 8268 3232 8272 3242 8265
      3236 8225 3220 8219 3214 8218
TIME...MOT...LOC 1813Z 282DEG 36KT 3234 8260

$$
585 
WWUS52 KFFC 271832
SVSFFC

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

GAC283-271841-
/O.CAN.KFFC.SV.W.0090.000000T0000Z-110327T1845Z/
TREUTLEN GA-
232 PM EDT SUN MAR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TREUTLEN COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.

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 3212 8220 3231 8250 3235 8246 3235 8241
      3238 8240 3236 8225 3220 8219 3215 8218
      3213 8219
TIME...MOT...LOC 1831Z 282DEG 35KT 3231 8239

$$

GAC107-209-279-271845-
/O.CON.KFFC.SV.W.0090.000000T0000Z-110327T1845Z/
TOOMBS GA-MONTGOMERY GA-EMANUEL GA-
232 PM EDT SUN MAR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTH CENTRAL EMANUEL...NORTHEASTERN MONTGOMERY AND NORTHEASTERN
TOOMBS COUNTIES...

AT 227 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZED HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS
STORM WAS CENTERED JUST WEST OF NORMANTOWN OR 4 MILES NORTH OF VIDALIA
...MOVING EAST AT 40 MPH. THIS STORM SHOULD MISS THE CITY OF VIDALIA.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OAK
PARK...LYONS...PONDEROSA AND OHOOPEE.

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.

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

&&

LAT...LON 3212 8220 3231 8250 3235 8246 3235 8241
      3238 8240 3236 8225 3220 8219 3215 8218
      3213 8219
TIME...MOT...LOC 1831Z 282DEG 35KT 3231 8239

$$

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, 6:22 AM EDTSevere Thunderstorm WarningFFCGreene, Hancock, Taliaferro, Warren38 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, 2:22 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.