Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 87, NWS Atlanta, GA

May 3, 2012Coweta County, Meriwether County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 3, 2012, 4:52 PM EDT for Coweta County, Meriwether County, Georgia. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 3, 2012, 4:52 PM EDT (20:52 UTC)
Expired
May 3, 2012, 5:30 PM EDT
In force
38 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Coweta County, GA, Meriwether County, GA

The radar

The Atlanta radar (KFFC), 28 km from the middle of the area, began a volume at 20:54 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.9 hours before the alert went out and 34 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 12:00Z on 2012-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 527 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 12:00Z on 2012-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
527 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
34 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.

753 
WUUS52 KFFC 032052
SVRFFC
GAC077-199-032130-
/O.NEW.KFFC.SV.W.0087.120503T2052Z-120503T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
452 PM EDT THU MAY 3 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL COWETA COUNTY IN WEST CENTRAL GEORGIA
  NORTHWESTERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 530 PM EDT

* AT 450 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
  GRANTVILLE...MOVING NORTH AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  LUTHERSVILLE AND MORELAND.

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...HAIL OR 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3336 8489 3334 8467 3314 8472 3317 8486
      3320 8487 3322 8486 3323 8491
TIME...MOT...LOC 2052Z 194DEG 7KT 3322 8481

$$
1 follow-up statement
019 
WWUS52 KFFC 032114
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
514 PM EDT THU MAY 3 2012

GAC077-199-032130-
/O.CON.KFFC.SV.W.0087.000000T0000Z-120503T2130Z/
MERIWETHER GA-COWETA GA-
514 PM EDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHERN COWETA AND NORTHWESTERN MERIWETHER COUNTIES...

AT 512 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
GRANTVILLE...MOVING NORTH AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MORELAND.

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...HAIL OR 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3336 8489 3334 8467 3314 8472 3317 8486
      3320 8487 3322 8486 3323 8491
TIME...MOT...LOC 2114Z 194DEG 7KT 3326 8480

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 2:37 PM EDTSpecial Weather StatementFFCHaralson, Polk53 min
May 3, 3:24 PM EDTSpecial Weather StatementFFCHaralson36 min
May 3, 3:59 PM EDTSpecial Weather StatementFFCCarroll, Haralson, Heard31 min
May 3, 4:28 PM EDTSpecial Weather StatementFFCChattahoochee32 min
May 3, 4:29 PM EDTSpecial Weather StatementFFCCarroll, Haralson31 min
May 3, 4:38 PM EDTSpecial Weather StatementFFCCoweta22 min
May 3, 4:56 PM EDTSevere Thunderstorm WarningFFCPaulding, Polk39 min
May 3, 5:11 PM EDTSpecial Weather StatementFFCDouglas34 min
May 3, 5:18 PM EDTSpecial Weather StatementFFCCoweta27 min
May 3, 5:32 PM EDTSpecial Weather StatementFFCCoweta28 min
May 3, 5:37 PM EDTSpecial Weather StatementFFCMeriwether23 min
May 3, 6:07 PM EDTSpecial Weather StatementFFCBartow23 min
May 3, 6:26 PM EDTSpecial Weather StatementFFCBartow, Gordon34 min
May 3, 6:59 PM EDTSpecial Weather StatementFFCGordon31 min
May 3, 7:39 PM EDTSpecial Weather StatementFFCMurray36 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.