Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

March 22, 2012Chattahoochee County, Muscogee County, Stewart County, Georgia

NWS Atlanta, GA issued this special weather statement at Mar 22, 2012, 7:21 PM EDT for Chattahoochee County, Muscogee County, Stewart County, Georgia. It was in force for 24 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 22, 2012, 7:21 PM EDT (23:21 UTC)
Expired
Mar 22, 2012, 7:45 PM EDT
In force
24 min
Issued by
NWS Atlanta, GA

Counties Chattahoochee County, GA, Muscogee County, GA, Stewart County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.4 hours before the alert went out and 137 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 2012-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2012-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
59 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
44 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.

750 
WWUS82 KFFC 222321
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
721 PM EDT THU MAR 22 2012

GAZ078-089-090-102-222345-
721 PM EDT THU MAR 22 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN AND FREQUENT 
LIGHTNING IN STEWART...MUSCOGEE...CHATTAHOOCHEE AND HARRIS COUNTIES 
UNTIL 745 PM EDT...

AT 716 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
STRONG THUNDERSTORMS FROM BIBB CITY TO SANFORD...MOVING NORTHEAST   
AT 20 MPH.

RAINFALL AMOUNTS BETWEEN ONE HALF TO ONE INCHE PER HOUR CAN BE 
EXPECTED ACROSS STEWART...MUSCOGEE...CHATTAHOOCHEE AND HARRIS 
COUNTIES...INCLUDING AREAS AROUND FLORENCE MARINA STATE PARK...GREEN 
ISLAND HILLS...GOAT ROCK LAKE...OMAHA...COLUMBUS...BIBB CITY...LAUREL
HILLS...CARTER ACRES...MULBERRY GROVE...FORT BENNING/LAWSON ARMY AIR 
FIELD...AVONDALE...ROSE HILL...COLUMBUS METROPOLITAN 
AIRPORT...FORTSON AND HIGHLAND PARK. DRIVERS SHOULD USE CAUTION AS 
INTENSE RAINFALL WILL REDUCE VISIBILITIES. PONDING OF WATER ON 
ROADWAYS IS ALSO LIKELY. SMALL HAIL IS ALSO POSSIBLE WITH THESE 
STORMS.

&&

LAT...LON 3192 8492 3195 8497 3197 8497 3197 8504
      3200 8507 3209 8506 3213 8507 3223 8497
      3223 8493 3227 8490 3232 8501 3243 8497
      3245 8500 3251 8501 3265 8511 3267 8470
      3192 8469
TIME...MOT...LOC 2320Z 270DEG 18KT 3249 8500 3230 8501
          3200 8500

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 5:58 PM EDTSpecial Weather StatementFFCDouglas32 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.