Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

September 8, 2012Oglethorpe County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 8, 2012, 2:40 PM EDT for Oglethorpe County, Georgia. It was in force for 50 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, 2:40 PM EDT (18:40 UTC)
Expired: Sep 8, 2012, 3:30 PM EDT
In force: 50 min
Issued by: NWS Atlanta, GA

County Oglethorpe County, GA

The radar

The Robins AFB radar (KJGX), 120 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 140 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 16 minutes earlier.

Area forecast discussion, Sep 8, 1:24 PM EDT, 1 hour 16 minutes before

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Hazardous weather outlook, Sep 8, 4:22 AM EDT, 10 hours 18 minutes before

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In the hours before

Special weather statement, Sep 8, 1:19 PM EDT, 1 hour 21 minutes before

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Special weather statement, Sep 8, 2:00 PM EDT, 40 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, 36 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, 0 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

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 8, 1:19 PM EDT	Special Weather Statement	FFC	Madison	41 min
Sep 8, 2:00 PM EDT	Special Weather Statement	FFC	Oconee, Walton	45 min
Sep 8, 2:04 PM EDT	Special Weather Statement	FFC	Coweta, Troup	41 min
Sep 8, 2:46 PM EDT	Special Weather Statement	FFC	Fayette, Spalding	44 min
Sep 8, 3:15 PM EDT	Special Weather Statement	FFC	Butts, Jasper	45 min
Sep 8, 4:17 PM EDT	Special Weather Statement	FFC	Jasper, Putnam	43 min
Sep 8, 4:51 PM EDT	Special Weather Statement	FFC	Baldwin	39 min
Sep 8, 5:03 PM EDT	Special Weather Statement	FFC	Jones, Twiggs, Wilkinson	42 min

Nearby

Special Weather Statements in Georgia, 2012 Every 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.