Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

July 19, 2012Glascock County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 19, 2012, 8:54 PM EDT for Glascock County, Georgia. It was in force for 66 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, 8:54 PM EDT (00:54 UTC)
Expired
Jul 19, 2012, 10:00 PM EDT
In force
66 min
Issued by
NWS Atlanta, GA

County Glascock County, GA

The radar

The Robins AFB radar (KJGX), 92 km from the middle of the area, began a volume at 00:54 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 00:00Z, 0.9 hours before the alert went out and 176 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 2012-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1139 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 00:00Z on 2012-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
1139 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1323 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
49 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.

087 
WWUS82 KFFC 200054
SPSFFC

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

GAZ062-075-200200-
854 PM EDT THU JUL 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WARREN AND GLASCOCK
COUNTIES UNTIL 1000 PM EDT...

AT 849 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED 
MODERATE RAIN OVER PARTS OF NORTHERN WARREN COUNTY...HOWEVER EARLIER 
THIS EVENING HEAVY RAIN FELL OVER PORTIONS OF GLASCOCK AND SOUTHERN 
AND CENTRAL WARREN COUNTIES. WATER ON ROADS AND MINOR FLOODING OF 
SMALL CREEKS AND STREAMS IS LIKELY THROUGH 1000 PM...ESPECIALLY IN 
THE VICINITY OF ROCKY COMFORT CREEK AND ITS SMALLER TRIBUTARIES. 

SOME AREAS EFFECTED INCLUDE FIVE POINTS...MITCHELL...EDGEHILL... 
BEALL SPRINGS...WARRENTON...GIBSON AND REESE. 

&&

LAT...LON 3317 8259 3316 8257 3312 8258 3312 8265
      3313 8267 3336 8277 3342 8270 3340 8259
      3326 8253 3321 8253
TIME...MOT...LOC 0048Z 258DEG 4KT 3331 8263

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:17 PM EDTSpecial Weather StatementFFCGlascock, Warren43 min
Jul 20, 4:59 AM EDTSpecial Weather StatementFFCPickens31 min
Jul 20, 6:01 AM EDTSpecial Weather StatementFFCCatoosa, Chattooga, Dade, Walker29 min
Jul 20, 5:34 PM EDTSpecial Weather StatementFFCCherokee26 min
Jul 20, 6:18 PM EDTSpecial Weather StatementFFCCatoosa27 min
Jul 20, 6:45 PM EDTSpecial Weather StatementFFCCatoosa30 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.