Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

March 24, 2012Gordon County, Georgia

NWS Atlanta, GA issued this special weather statement at Mar 24, 2012, 3:08 AM EDT for Gordon County, Georgia. It was in force for 52 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
Mar 24, 2012, 3:08 AM EDT (07:08 UTC)
Expired
Mar 24, 2012, 4:00 AM EDT
In force
52 min
Issued by
NWS Atlanta, GA

County Gordon County, GA

The radar

The Northeast Alabama radar (KHTX), 122 km from the middle of the area, began a volume at 07:09 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 00:00Z, 7.1 hours before the alert went out and 130 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 2012-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 320 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 2012-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 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
320 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

742 
WWUS82 KFFC 240708
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
308 AM EDT SAT MAR 24 2012

GAZ012-019-020-240800-
308 AM EDT SAT MAR 24 2012

...SIGNIFICANT WEATHER ADVISORY FOR DIME SIZED HAIL AND 40 MPH WINDS
IN BARTOW...FLOYD AND GORDON COUNTIES UNTIL 400 AM EDT...

AT 300 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PINSON...MOVING EAST AT 25 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DIME SIZED HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE
ACROSS BARTOW...FLOYD AND GORDON COUNTIES THROUGH 400 AM EDT. SOME
LOCATIONS IN THE PATH OF THESE STORMS INCLUDE SHANNON...PINSON...
PLAINVILLE...OOSTANAULA...ADAIRSVILLE...CALHOUN...NICKELSVILLE...
SONORAVILLE...REDBUD...AUDUBON...FAIRMOUNT...OAKMAN AND RANGER. HEAVY
DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3445 8516 3461 8486 3461 8476 3461 8475
      3462 8475 3451 8465 3446 8464 3445 8465
      3429 8511
TIME...MOT...LOC 0708Z 251DEG 21KT 3440 8504

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 12:22 AM EDTSpecial Weather StatementFFCDade53 min
Mar 24, 12:52 AM EDTSpecial Weather StatementFFCWalker38 min
Mar 24, 1:01 AM EDTSpecial Weather StatementFFCChattooga44 min
Mar 24, 1:07 AM EDTSevere Thunderstorm WarningFFCChattooga, Floyd, Gordon53 min
Mar 24, 1:28 AM EDTSpecial Weather StatementFFCCatoosa, Walker47 min
Mar 24, 2:22 AM EDTSpecial Weather StatementFFCWhitfield53 min
Mar 24, 2:47 AM EDTSpecial Weather StatementFFCMurray, Whitfield43 min
Mar 24, 4:12 AM EDTSpecial Weather StatementFFCGilmer48 min
Mar 24, 4:51 AM EDTSpecial Weather StatementFFCTowns, Union39 min
Mar 24, 11:05 AM EDTSpecial Weather StatementFFCMontgomery, Treutlen, Wheeler25 min
Mar 24, 11:27 AM EDTSpecial Weather StatementFFCMontgomery, Toombs33 min
Mar 24, 11:56 AM EDTSpecial Weather StatementFFCToombs34 min
Mar 24, 12:25 PM EDTSpecial Weather StatementFFCToombs35 min

Nearby

Special Weather Statements in Georgia, 2012Every special weather statement 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.