Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

August 28, 2012Meriwether County, Talbot County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 28, 2012, 6:37 PM EDT for Meriwether County, Talbot County, Georgia. It was in force for 38 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: Aug 28, 2012, 6:37 PM EDT (22:37 UTC)
Expired: Aug 28, 2012, 7:15 PM EDT
In force: 38 min
Issued by: NWS Atlanta, GA

Counties Meriwether County, GA, Talbot County, GA

The radar

The Atlanta radar (KFFC), 57 km from the middle of the area, began a volume at 22:37 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, 10.6 hours before the alert went out and 60 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: 374 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 82 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 Aug 28, 2:50 PM EDT, 3 hours 47 minutes earlier.

Area forecast discussion, Aug 28, 2:50 PM EDT, 3 hours 47 minutes before

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Hazardous weather outlook, Aug 28, 10:51 AM EDT, 7 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1051 AM EDT TUE AUG 28 2012

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-291500-
BALDWIN-BANKS-BARROW-BARTOW-BIBB-BLECKLEY-BUTTS-CARROLL-CATOOSA-
CHATTAHOOCHEE-CHATTOOGA-CHEROKEE-CLARKE-CLAYTON-COBB-COWETA-
CRAWFORD-CRISP-DADE-DAWSON-DEKALB-DODGE-DOOLY-DOUGLAS-EMANUEL-
FANNIN-FAYETTE-FLOYD-FORSYTH-GILMER-GLASCOCK-GORDON-GREENE-
GWINNETT-HALL-HANCOCK-HARALSON-HARRIS-HEARD-HENRY-HOUSTON-JACKSON-
JASPER-JEFFERSON-JOHNSON-JONES-LAMAR-LAURENS-LUMPKIN-MACON-
MADISON-MARION-MERIWETHER-MONROE-MONTGOMERY-MORGAN-MURRAY-
MUSCOGEE-NEWTON-NORTH FULTON-OCONEE-OGLETHORPE-PAULDING-PEACH-
PICKENS-PIKE-POLK-PULASKI-PUTNAM-ROCKDALE-SCHLEY-SOUTH FULTON-
SPALDING-STEWART-SUMTER-TALBOT-TALIAFERRO-TAYLOR-TELFAIR-TOOMBS-
TOWNS-TREUTLEN-TROUP-TWIGGS-UNION-UPSON-WALKER-WALTON-WARREN-
WASHINGTON-WEBSTER-WHEELER-WHITE-WHITFIELD-WILCOX-WILKES-
WILKINSON-
1051 AM EDT TUE AUG 28 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...
ISOLATED THUNDERSTORMS AND SOME AREAS OF HEAVY RAIN ARE EXPECTED
TODAY AND TONIGHT. NO SEVERE THUNDERSTORMS ARE EXPECTED AT THIS TIME.

.SYNOPSIS...
A TROPICAL AIRMASS WILL CONTINUE OVER THE AREA AS TROPICAL STORM
ISAAC HEADS FOR LOUISIANA. A WEAK COLD FRONT WILL DRIFT INTO FAR
NORTH GEORGIA TONIGHT.

.PRIMARY HAZARDS...
THE PRIMARY HAZARDS FROM THUNDERSTORMS WILL BE GUSTY WINDS...PERIODS
OF HEAVY RAIN AND ISOLATED LIGHTNING. THE MOST LIKELY TIME FOR
THUNDERSTORMS WILL BE FROM MIDDAY INTO TONIGHT.

.DISCUSSION...
A TROPICAL AIRMASS WILL PROVIDE ABUNDANT MOISTURE OVER THE FORECAST
AREA. CAPES OF 1000 OR LESS CAN BE EXPECTED. THE MOISTURE AND
INSTABILITY WILL COMBINE TO PRODUCE NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS.
HOWEVER...VERTICAL WIND SHEAR IS EXPECTED TO BE FAIRLY WEAK AND
INSUFFICIENT TO PRODUCE ANY ORGANIZED OR ROTATING STORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
THE TROPICAL AIRMASS WILL CONTINUE FOR MUCH OF THE DAY 2 THROUGH 7
PERIOD AND PRODUCE SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

In the hours before

Special weather statement, Aug 28, 1:41 PM EDT, 4 hours 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
141 PM EDT TUE AUG 28 2012

GAZ047-049-281830-
141 PM EDT TUE AUG 28 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN WALTON AND MORGAN
COUNTIES UNTIL 230 PM EDT...

AT 129 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY RAIN FROM MONROE TO MADISON...MOVING NORTH AT 15
MPH. RAINFALL AMOUNTS FROM ABOUT 1.5 INCHES NEAR MONROE TO AROUND 3
INCHES NEAR MADISON HAVE OCCURRED SINCE THIS MORNING.

ADDITIONAL RAINFALL AMOUNTS OF AROUND 1 INCH CAN BE EXPECTED OVER
WALTON COUNTY AND AROUND ONE HALF INCH OVER MORGAN COUNTY THIS
AFTERNOON. THIS INCLUDES THE AREAS AROUND RUTLEDGE...HARD LABOR
CREEK STATE PARK... WINDSOR...HERNDONVILLE...YOUTH...EBENEZER...
WALNUT GROVE...SOCIAL CIRCLE...LOGANVILLE...JERSEY...BETWEEN...
PANNELL...MONROE...BOSTWICK AND NICHOLASVILLE. DRIVERS SHOULD USE
CAUTION AS INTENSE RAINFALL WILL REDUCE VISIBILITIES. TEMPORARY
STREET FLOODING AND PONDING OF WATER ON ROADWAYS IS LIKELY.

&&

LAT...LON 3349 8328 3343 8353 3353 8369 3362 8369
      3379 8398 3393 8380 3389 8376 3391 8368
      3391 8364 3385 8357 3380 8349 3372 8344
      3366 8337 3360 8335 3354 8327
TIME...MOT...LOC 1734Z 180DEG 12KT 3379 8370

16

Special weather statement, Aug 28, 1:57 PM EDT, 4 hours 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
157 PM EDT TUE AUG 28 2012

GAZ025-035-037-281845-
157 PM EDT TUE AUG 28 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN OCONEE...BARROW AND
JACKSON COUNTIES UNTIL 245 PM EDT...

AT 141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY RAIN MOVING INTO OCONEE...BARROW AND JACKSON
COUNTIES...MOVING NORTH AT 15 MPH. RAINFALL AMOUNTS OF AROUND ONE
HALF INCH HAVE OCCURRED THIS AFTERNOON.

ADDITIONAL RAINFALL AMOUNTS OF AROUND 2 INCHES CAN BE EXPECTED ACROSS
OCONEE...BARROW AND JACKSON COUNTIES...INCLUDING AREAS AROUND
EASTVILLE...NORTH HIGH SHOALS...BOGART...BISHOP...WATKINSVILLE...
FORT YARGO STATE PARK...STATHAM...RUSSELL...BETHLEHEM...WINDER...
CARL...AUBURN...BEAR CREEK RESERVOIR...COUNTY LINE AND CENTER.
DRIVERS SHOULD USE CAUTION AS INTENSE RAINFALL WILL REDUCE
VISIBILITIES. TEMPORARY STREET FLOODING AND PONDING OF WATER ON
ROADWAYS IS LIKELY.

&&

LAT...LON 3422 8342 3416 8336 3405 8339 3404 8336
      3400 8350 3396 8353 3393 8351 3393 8342
      3386 8331 3373 8330 3373 8331 3370 8341
      3380 8349 3388 8359 3391 8367 3390 8375
      3400 8387 3413 8382 3427 8364
TIME...MOT...LOC 1747Z 180DEG 12KT 3397 8357

16

Special weather statement, Aug 28, 2:48 PM EDT, 3 hours 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
248 PM EDT TUE AUG 28 2012

GAZ076-281930-
248 PM EDT TUE AUG 28 2012

...SIGNIFICANT WEATHER ADVISORY FOR AN ENHANCED RISK OF BRIEF
TORNADOES AND 35 MPH WINDS IN JEFFERSON COUNTY UNTIL 330 PM EDT...

AT 243 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER LOUISVILLE...MOVING EAST AT 10 MPH.

STORMS EMBEDDED WITHIN A TROPICAL RAINBAND HAVE EXHIBITED
LOCALIZED...WEAK ROTATION...BUT NOTHING SIGNIFICANT ENOUGH TO
INDICATE THE PRESENCE OF A TORNADO AT 243 PM EDT. STILL...THE
ENVIRONMENT WITHIN THIS RAINBAND SUGGESTS AN ENHANCED RISK OF A
BRIEF...GENERALLY WEAK TORNADO FORMING AS THE BAND MOVES ACROSS
JEFFERSON COUNTY THROUGH 330 PM EDT.

SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE STAPLETONS
CROSSROADS...LOUISVILLE AND STELLAVILLE.

RESIDENTS IN THIS AREA ARE URGED TO REMAIN INDOORS AND BE ATTENTIVE
TO THE POSSIBILITY OF LOCALIZED WIND DAMAGE AND WEAK TORNADOES THAT
FORM AND DISSIPATE RAPIDLY.

&&

LAT...LON 3315 8226 3308 8228 3299 8227 3295 8246
      3312 8253 3323 8225 3320 8223
TIME...MOT...LOC 1847Z 250DEG 7KT 3307 8239

Special weather statement, Aug 28, 2:49 PM EDT, 3 hours 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
249 PM EDT TUE AUG 28 2012

GAZ024-025-027-036-281945-
249 PM EDT TUE AUG 28 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN MADISON...BANKS...
CLARKE AND JACKSON COUNTIES UNTIL 345 PM EDT...

AT 238 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY RAIN MOVING INTO MADISON...BANKS...CLARKE AND
JACKSON COUNTIES. THE SHOWERS WERE MOVING NORTH TO NORTHEAST AT
15 MPH. RAINFALL AMOUNTS AROUND ONE HALF INCH OR LESS HAVE
OCCURRED THIS AFTERNOON.

ADDITIONAL RAINFALL AMOUNTS OF AROUND 2 INCHES CAN BE EXPECTED
ACROSS MADISON...BANKS...CLARKE AND JACKSON COUNTIES...INCLUDING
AREAS AROUND CENTER...BEECHWOOD HILLS...STATE BOTANICAL GARDEN OF
GEORGIA...JAMES HOLLAND YOUTH SPORTS COMPLEX...WESTGATE PARK...
SANDY CREEK RECREATION AREA...WINTERVILLE...WHITEHALL...OCONEE
HEIGHTS...BARRETTS MILL...ATHENS...HULL...BEAR CREEK RESERVOIR...
ARCADE AND JEFFERSON. DRIVERS SHOULD USE CAUTION AS INTENSE
RAINFALL WILL REDUCE VISIBILITIES. TEMPORARY STREET FLOODING AND
PONDING OF WATER ON ROADWAYS IS LIKELY.

&&

LAT...LON 3446 8339 3433 8339 3425 8333 3427 8312
      3423 8308 3417 8310 3405 8298 3401 8305
      3405 8313 3400 8326 3395 8328 3391 8324
      3385 8328 3393 8351 3404 8358 3405 8371
      3413 8382 3430 8362 3439 8366 3449 8353
TIME...MOT...LOC 1842Z 200DEG 12KT 3407 8347

16

Special weather statement, Aug 28, 6:37 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 11:33 AM EDT	Special Weather Statement	FFC	Jasper	57 min
Aug 28, 12:34 PM EDT	Special Weather Statement	FFC	Morgan	56 min
Aug 28, 1:41 PM EDT	Special Weather Statement	FFC	Morgan, Walton	49 min
Aug 28, 1:57 PM EDT	Special Weather Statement	FFC	Barrow, Jackson, Oconee	48 min
Aug 28, 2:48 PM EDT	Special Weather Statement	FFC	Jefferson	42 min
Aug 28, 2:49 PM EDT	Special Weather Statement	FFC	Banks, Clarke, Jackson, Madison	56 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.