Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 367, NWS Atlanta, GA

June 23, 2011Montgomery County, Toombs County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 23, 2011, 4:37 PM EDT for Montgomery County, Toombs County, Georgia. It was in force for 38 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
Jun 23, 2011, 4:37 PM EDT (20:37 UTC)
Expired
Jun 23, 2011, 5:15 PM EDT
In force
38 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Montgomery County, GA, Toombs County, GA

The radar

The Robins AFB radar (KJGX), 112 km from the middle of the area, began a volume at 20:39 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

TimeReportWhereRemark
Jun 23, 4:39 PM EDTTSTM WND DMG2 Nne Uvalda, GAMONTGOMERY 911 RELAYED A REPORT OF A TREE DOWN NEAR UVALDA.
Jun 23, 4:55 PM EDTHAIL 0.25Alston, GA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.6 hours before the alert went out and 185 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 2011-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2305 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 2011-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.1939Sfc1 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
2305 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

841 
WUUS52 KFFC 232037
SVRFFC
GAC209-279-232115-
/O.NEW.KFFC.SV.W.0367.110623T2037Z-110623T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
437 PM EDT THU JUN 23 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MONTGOMERY COUNTY IN CENTRAL GEORGIA
  TOOMBS COUNTY IN SOUTHEAST GEORGIA

* UNTIL 515 PM EDT

* AT 434 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 NEAR UVALDA...
  MOVING EAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ALSTON...VIDALIA...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 3196 8221 3195 8222 3195 8242 3196 8248
      3195 8249 3196 8254 3198 8254 3202 8260
      3213 8263 3215 8261 3217 8262 3228 8223
      3213 8218
TIME...MOT...LOC 2037Z 264DEG 17KT 3205 8256

$$
2 follow-up statements
563 
WWUS52 KFFC 232057
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
457 PM EDT THU JUN 23 2011

GAC209-279-232115-
/O.CON.KFFC.SV.W.0367.000000T0000Z-110623T2115Z/
TOOMBS GA-MONTGOMERY GA-
457 PM EDT THU JUN 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHEASTERN MONTGOMERY AND TOOMBS COUNTIES...

AT 455 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
ALSTON...MOVING EAST AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CEDAR
CROSSING...ROCK SPRINGS...CENTER...ENGLISH EDDY...VIDALIA...SOUTH
THOMPSON...TOOMBS CENTRAL...PONDEROSA...OHOOPEE...NEW BRANCH...
JOHNSON CORNER...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! 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 3196 8221 3195 8222 3196 8240 3196 8245
      3198 8248 3199 8250 3199 8251 3204 8254
      3210 8255 3215 8254 3218 8251 3228 8223
      3213 8218
TIME...MOT...LOC 2057Z 259DEG 18KT 3208 8244

$$
529 
WWUS52 KFFC 232109
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
509 PM EDT THU JUN 23 2011

GAC209-232118-
/O.CAN.KFFC.SV.W.0367.000000T0000Z-110623T2115Z/
MONTGOMERY GA-
509 PM EDT THU JUN 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY COUNTY
IS CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF MONTGOMERY COUNTY.

IF YOU SAW WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...CALL 
THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3208 8220 3203 8220 3201 8221 3196 8221
      3195 8222 3196 8245 3198 8248 3220 8244
      3228 8223 3214 8218
TIME...MOT...LOC 2108Z 262DEG 18KT 3213 8226

$$

GAC279-232115-
/O.CON.KFFC.SV.W.0367.000000T0000Z-110623T2115Z/
TOOMBS GA-
509 PM EDT THU JUN 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR TOOMBS COUNTY...

AT 505 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
NEW BRANCH...MOVING EAST AT 20 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT 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 3208 8220 3203 8220 3201 8221 3196 8221
      3195 8222 3196 8245 3198 8248 3220 8244
      3228 8223 3214 8218
TIME...MOT...LOC 2108Z 262DEG 18KT 3213 8226

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:43 PM EDTSpecial Weather StatementFFCDawson, Fannin, Gilmer, Lumpkin, Towns, Union and 1 more47 min
Jun 22, 9:11 PM EDTSpecial Weather StatementFFCHall34 min
Jun 22, 9:31 PM EDTSpecial Weather StatementFFCWhite29 min
Jun 23, 5:05 AM EDTSpecial Weather StatementFFCForsyth, Hall25 min
Jun 23, 5:43 AM EDTSpecial Weather StatementFFCBanks, Hall32 min
Jun 23, 12:06 PM EDTSpecial Weather StatementFFCTwiggs24 min
Jun 23, 12:21 PM EDTSpecial Weather StatementFFCWilkinson24 min
Jun 23, 1:55 PM EDTSpecial Weather StatementFFCHancock35 min
Jun 23, 3:23 PM EDTSpecial Weather StatementFFCWashington37 min
Jun 23, 3:36 PM EDTSpecial Weather StatementFFCWheeler39 min
Jun 23, 4:16 PM EDTSpecial Weather StatementFFCMontgomery, Toombs, Wheeler44 min
Jun 23, 4:18 PM EDTSpecial Weather StatementFFCCarroll27 min
Jun 23, 4:29 PM EDTSpecial Weather StatementFFCChattahoochee, Marion, Stewart, Webster46 min
Jun 23, 4:43 PM EDTSpecial Weather StatementFFCCoweta32 min
Jun 23, 5:13 PM EDTSpecial Weather StatementFFCFayette47 min
Jun 23, 5:17 PM EDTSpecial Weather StatementFFCChattahoochee, Marion, Muscogee, Schley43 min
Jun 23, 6:06 PM EDTSpecial Weather StatementFFCTalbot39 min
Jun 23, 6:21 PM EDTSpecial Weather StatementFFCButts, Henry, Spalding39 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.