Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

September 8, 2012Fayette County, Spalding County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 8, 2012, 2:46 PM EDT for Fayette County, Spalding County, Georgia. It was in force for 44 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
Sep 8, 2012, 2:46 PM EDT (18:46 UTC)
Expired
Sep 8, 2012, 3:30 PM EDT
In force
44 min
Issued by
NWS Atlanta, GA

Counties Fayette County, GA, Spalding County, GA

The radar

The Atlanta radar (KFFC), 12 km from the middle of the area, began a volume at 18:48 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, 6.8 hours before the alert went out and 7 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 2012-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1245 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 2012-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
1245 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
631 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
40 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Sep 8, 1:24 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Sep 8, 1:24 PM EDT, 1 hour 22 minutes before
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Hazardous weather outlook, Sep 8, 4:22 AM EDT, 10 hours 24 minutes before
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In the hours before

Special weather statement, Sep 8, 1:19 PM EDT, 1 hour 27 minutes before
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Special weather statement, Sep 8, 2:00 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
200 PM EDT SAT SEP 8 2012

GAZ025-035>037-047-049-081845-
200 PM EDT SAT SEP 8 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN WALTON...
OCONEE...MORGAN...BARROW...CLARKE AND JACKSON COUNTIES UNTIL 245 PM
EDT...

AT 154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER MONROE...MOVING EAST AT 25 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE SIZED HAIL...FREQUENT CLOUD
TO GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
WALTON...OCONEE...MORGAN...BARROW...CLARKE AND JACKSON COUNTIES
THROUGH 245 PM EDT. SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
NICHOLASVILLE...MONROE...CAMPTON...BOLD SPRINGS...BETWEEN...
BETHLEHEM...PANNELL...GRATIS...MOUNT VERNON...GOOD HOPE...STATHAM...
EASTVILLE...BOGART...BEAR CREEK RESERVOIR AND NORTH HIGH SHOALS.
HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3408 8349 3380 8334 3375 8380 3390 8382
TIME...MOT...LOC 1800Z 269DEG 22KT 3382 8370
Special weather statement, Sep 8, 2:04 PM EDT, 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
204 PM EDT SAT SEP 8 2012

GAZ052>054-066-067-081845-
204 PM EDT SAT SEP 8 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN TROUP...
MERIWETHER...COWETA...FAYETTE AND HEARD COUNTIES UNTIL 245 PM EDT...

AT 154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM ARNCO-SARGENT TO ABBOTTSFORD...MOVING EAST
AT 25 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
TROUP...MERIWETHER...COWETA...FAYETTE AND HEARD COUNTIES THROUGH 245
PM EDT. SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
ABBOTTSFORD...ARNCO-SARGENT...CORINTH...HARRISONVILLE...NEWNAN...MADR
AS...HILLCREST...WARES CROSSROADS...LAGRANGE...THOMAS
CROSSROADS...HOGANSVILLE...MORELAND...GRANTVILLE...LONE OAK AND
TURIN. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

THESE WIND GUSTS MAY PRODUCE MINOR DAMAGE TO TREE LIMBS AND BLOW
LIGHT...UNSECURED OBJECTS AROUND.

&&

LAT...LON 3328 8498 3346 8485 3340 8441 3325 8446
      3325 8451 3321 8450 3300 8471 3305 8523
      3311 8524
TIME...MOT...LOC 1804Z 276DEG 23KT 3337 8479 3327 8487
          3310 8511
Special weather statement, Sep 8, 2:40 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
240 PM EDT SAT SEP 8 2012

GAZ037-038-049-050-081930-
240 PM EDT SAT SEP 8 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN OGLETHORPE...
OCONEE...MORGAN AND GREENE COUNTIES UNTIL 330 PM EDT...

AT 234 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER SALEM...MOVING EAST AT 20 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE FREQUENT CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS
OGLETHORPE...OCONEE...MORGAN AND GREENE COUNTIES THROUGH 330 PM EDT.
SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE SALEM...ROSE HILL...
WRAYSWOOD...GRESHAMVILLE...BARNETT SHOALS...FARMINGTON...APALACHEE...
BOSTWICK...PENFIELD...STEPHENS...HUTCHINGS...MAXEYS...CRAWFORD...WOOD
VILLE AND LEXINGTON. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON
ROADWAYS.

THESE WIND GUSTS MAY PRODUCE MINOR DAMAGE TO TREE LIMBS AND BLOW
LIGHT...UNSECURED OBJECTS AROUND.

&&

LAT...LON 3385 8295 3378 8299 3373 8295 3370 8300
      3365 8295 3362 8298 3363 8299 3362 8300
      3360 8299 3360 8300 3363 8362 3380 8349
      3395 8293 3385 8292
TIME...MOT...LOC 1841Z 268DEG 17KT 3374 8330
Special weather statement, Sep 8, 2:46 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
246 PM EDT SAT SEP 8 2012

GAZ054>057-081930-
246 PM EDT SAT SEP 8 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN SPALDING...
FAYETTE...HENRY AND CLAYTON COUNTIES UNTIL 330 PM EDT...

AT 243 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER STARRS MILL...MOVING EAST AT 20 MPH.

WIND GUSTS OF 40 MPH ARE LIKELY AS THIS STORM MOVES ACROSS
SPALDING...FAYETTE...HENRY AND CLAYTON COUNTIES THROUGH 330 PM EDT.
SOME LOCATIONS IN THE PATH OF THE STORM INCLUDE STARRS MILL...
DIGBEY...FAYETTEVILLE...BROOKS...LAKE HORTON...WOOLSEY...VAUGHN...
INMAN...BIRDIE...JW SMITH RESERVOIR...ATLANTA MOTOR SPEEDWAY...
LOVEJOY...EXPERIMENT...HIGHLAND MILLS AND GRIFFIN.

THESE WIND GUSTS MAY PRODUCE MINOR DAMAGE TO TREE LIMBS AND BLOW
LIGHT...UNSECURED OBJECTS AROUND.

&&

LAT...LON 3347 8421 3325 8420 3325 8450 3329 8452
      3333 8452 3334 8456 3336 8458 3343 8459
TIME...MOT...LOC 1846Z 267DEG 17KT 3335 8450

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 1:19 PM EDTSpecial Weather StatementFFCMadison41 min
Sep 8, 2:00 PM EDTSpecial Weather StatementFFCOconee, Walton45 min
Sep 8, 2:04 PM EDTSpecial Weather StatementFFCCoweta, Troup41 min
Sep 8, 2:40 PM EDTSpecial Weather StatementFFCOglethorpe50 min
Sep 8, 3:15 PM EDTSpecial Weather StatementFFCButts, Jasper45 min
Sep 8, 4:17 PM EDTSpecial Weather StatementFFCJasper, Putnam43 min
Sep 8, 4:51 PM EDTSpecial Weather StatementFFCBaldwin39 min
Sep 8, 5:03 PM EDTSpecial Weather StatementFFCJones, Twiggs, Wilkinson42 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.