Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

July 19, 2012Peach County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 19, 2012, 5:13 PM EDT for Peach County, Georgia. It was in force for 32 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
Jul 19, 2012, 5:13 PM EDT (21:13 UTC)
Expired
Jul 19, 2012, 5:45 PM EDT
In force
32 min
Issued by
NWS Atlanta, GA

County Peach County, GA

The radar

The Robins AFB radar (KJGX), 35 km from the middle of the area, began a volume at 21:15 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, 9.2 hours before the alert went out and 107 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 2012-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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 2012-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 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
103 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1023 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
-21 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.

923 
WWUS82 KFFC 192113
SPSFFC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
513 PM EDT THU JUL 19 2012

GAZ081-082-094-095-192145-
513 PM EDT THU JUL 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN PEACH...BIBB...
CRAWFORD AND HOUSTON COUNTIES UNTIL 545 PM EDT...

AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER BYRON...MOVING SOUTHEAST AT 5 MPH.

WIND GUSTS OF 40 MPH ARE LIKELY AS THIS STORM MOVES ACROSS PEACH...
BIBB...CRAWFORD AND HOUSTON COUNTIES THROUGH 545 PM EDT. SOME
LOCATIONS IN THE PATH OF THE STORM INCLUDE FRIENDSHIP...JACK BROWN
ESTATES...BYRON...POWERVILLE...ELBERTA...WARNER ROBINS...MIDDLE
GEORGIA REGIONAL AIRPORT...LAKEWOOD AND CENTERVILLE.

&&

LAT...LON 3264 8391 3278 8379 3270 8361 3267 8360
      3265 8357 3249 8371
TIME...MOT...LOC 2114Z 305DEG 3KT 3266 8376

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 8:55 PM EDTSpecial Weather StatementFFCWilkinson50 min
Jul 18, 8:57 PM EDTSpecial Weather StatementFFCMuscogee48 min
Jul 18, 10:26 PM EDTSpecial Weather StatementFFCFannin, Towns, Union49 min
Jul 18, 11:10 PM EDTSpecial Weather StatementFFCFannin, Towns, Union50 min
Jul 19, 5:56 PM EDTSpecial Weather StatementFFCBaldwin34 min
Jul 19, 6:10 PM EDTSpecial Weather StatementFFCJohnson35 min
Jul 19, 6:27 PM EDTSpecial Weather StatementFFCBaldwin33 min
Jul 19, 6:39 PM EDTSpecial Weather StatementFFCJefferson36 min
Jul 19, 7:22 PM EDTSpecial Weather StatementFFCGlascock, Warren23 min
Jul 19, 7:45 PM EDTSpecial Weather StatementFFCGlascock, Warren30 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.