Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

September 4, 2012Banks County, Madison County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 4, 2012, 7:50 PM EDT for Banks County, Madison County, Georgia. It was in force for 25 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 4, 2012, 7:50 PM EDT (23:50 UTC)
Expired: Sep 4, 2012, 8:15 PM EDT
In force: 25 min
Issued by: NWS Atlanta, GA

Counties Banks County, GA, Madison County, GA

The radar

The Greer radar (KGSP), 119 km from the middle of the area, began a volume at 23:53 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, 11.8 hours before the alert went out and 151 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: 73 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 539 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 24 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 4, 7:50 PM EDT, 0 minutes earlier.

Area forecast discussion, Sep 4, 7:50 PM EDT, 0 minutes before

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Hazardous weather outlook, Sep 4, 4:35 PM EDT, 3 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
435 PM EDT TUE SEP 4 2012

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-050830-
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-
435 PM EDT TUE SEP 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TODAY AND TONIGHT...
ISOLATED THUNDERSTORMS POSSIBLE THROUGH TONIGHT OVER NORTH AND
CENTRAL GEORGIA.

.SYNOPSIS...
AN UPPER LEVEL DISTURBANCE ORIGINATING FROM THE REMNANTS OF ISAAC
WILL LINGER OVER THE SOUTHEASTERN STATES THROUGH TONIGHT...KEEPING
TROPICAL MOISTURE OVER THE STATE.

.PRIMARY HAZARDS...
THE PRIMARY HAZARDS FROM ANY THUNDERSTORMS WILL BE BRIEF GUSTY WINDS
...PERIODS OF HEAVY RAIN AND OCCASIONAL LIGHTNING.

.DISCUSSION...
DEEP TROPICAL MOISTURE REMAINS OVER GEORGIA. MODERATE INSTABILITY
AND WEAK VERTICAL SHEAR COMBINED WITH THE ABUNDANT MOISTURE WILL
PRODUCE SCATTERED THUNDERSTORMS THROUGH TONIGHT. A FEW STORMS MAY
BECOME STRONG...ESPECIALLY OVER PARTS OF MIDDLE AND EASTCENTRAL
GEORGIA...BUT SHOULD REMAIN BELOW SEVERE LIMITS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
THE TROPICAL AIR MASS WILL PERSIST THROUGH THE WEEKEND WITH
SCATTERED THUNDERSTORMS POSSIBLE EACH DAY. A COLD FRONT MAY BRING
MORE ORGANIZED STORMS TO THE AREA ON SUNDAY OR MONDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.

In the hours before

Special weather statement, Sep 4, 3:47 PM EDT, 4 hours 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
347 PM EDT TUE SEP 4 2012

GAZ067-042030-
347 PM EDT TUE SEP 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN MERIWETHER COUNTY
UNTIL 430 PM EDT...

AT 342 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER ROCKY MOUNT...MOVING NORTHEAST AT 5 MPH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS...STREETS...ACROSS MERIWETHER
COUNTY...INCLUDING AREAS AROUND...HARRIS CITY...SAINT MARKS...LONE
OAK...GREENVILLE...ROCKY MOUNT...LUTHERSVILLE AND ALVATON.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS
AND STREAMS ARE SUBJECT TO MINOR FLOODING. IF YOU ENCOUNTER WATER
OVER THE ROADWAY...TURN AROUND...DONT DROWN.

&&

LAT...LON 3323 8472 3323 8471 3322 8469 3323 8467
      3323 8465 3322 8465 3322 8455 3300 8461
      3288 8466 3289 8485 3322 8485
TIME...MOT...LOC 1944Z 209DEG 3KT 3317 8471

Special weather statement, Sep 4, 4:15 PM EDT, 3 hours 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
415 PM EDT TUE SEP 4 2012

GAZ042-052-042100-
415 PM EDT TUE SEP 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN CARROLL AND HEARD
COUNTIES UNTIL 500 PM EDT...

AT 411 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER BLACKJACK MOUNTAIN...AND NEARLY STATIONARY.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS...CARROLL AND HEARD
COUNTIES...INCLUDING AREAS AROUND BOWDON...BLACKJACK
MOUNTAIN...EPHESUS...ROOSTERVILLE...CENTRALHATCHEE...LOWELL...CLEM
AND ROOPVILLE. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE
BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3356 8499 3346 8498 3343 8500 3343 8501
      3337 8499 3336 8529 3352 8532 3355 8532
TIME...MOT...LOC 2014Z 292DEG 3KT 3346 8527

Special weather statement, Sep 4, 5:06 PM EDT, 2 hours 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
506 PM EDT TUE SEP 4 2012

GAZ042-052-042145-
506 PM EDT TUE SEP 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN CARROLL AND HEARD
COUNTIES UNTIL 545 PM EDT...

AT 459 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG TROPICAL SHOWER OVER ROOSTERVILLE...NEARLY STATIONARY.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS...STREETS ACROSS CARROLL AND HEARD
COUNTIES...INCLUDING AREAS AROUND EPHESUS...BLACKJACK
MOUNTAIN...TYUS...BOWDON...FROLONA...ROOSTERVILLE...PLANT
WANSLEY...CENTRALHATCHEE...LOWELL...CLEM AND ROOPVILLE.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS
AND STREAMS ARE SUBJECT TO MINOR FLOODING.

IF YOU ENCOUNTER WATER ACROSS THE ROAD...TURN AROUND...DONT DROWN!

&&

LAT...LON 3357 8498 3346 8498 3343 8500 3343 8501
      3333 8498 3330 8528 3354 8532
TIME...MOT...LOC 2105Z 292DEG 3KT 3342 8520

Special weather statement, Sep 4, 5:59 PM EDT, 1 hour 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
559 PM EDT TUE SEP 4 2012

GAZ042-052-053-042300-
559 PM EDT TUE SEP 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN AND MINOR FLOODING IN
CARROLL...COWETA AND HEARD COUNTIES UNTIL 645 PM EDT...

AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF HEAVY RAIN OVER SOUTHERN CARROLL AND NORTHERN HEARD
COUNTIES. UP TO THREE INCHES OF RAIN HAVE FALLEN OVER THE LAST TWO
HOURS. THE AREA OF RAIN WAS SLOWLY DRIFTING TO THE SOUTH.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS...STREETS ACROSS CARROLL...COWETA AND HEARD
COUNTIES...INCLUDING AREAS AROUND BOWDEN....EPHESUS...ROOPVILLE
...WHITESBURG...AND FROLONA. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR
FLOODING.

&&

LAT...LON 3355 8531 3361 8491 3358 8491 3357 8488
      3333 8482 3326 8525
TIME...MOT...LOC 2159Z 017DEG 1KT 3345 8515

Special weather statement, Sep 4, 7:00 PM EDT, 50 minutes before

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Special weather statement, Sep 4, 7:50 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
Sep 3, 9:09 PM EDT	Special Weather Statement	FFC	Stewart	51 min
Sep 3, 9:57 PM EDT	Special Weather Statement	FFC	Stewart	48 min
Sep 4, 3:08 PM EDT	Special Weather Statement	FFC	Meriwether	37 min
Sep 4, 3:47 PM EDT	Special Weather Statement	FFC	Meriwether	43 min
Sep 4, 4:15 PM EDT	Special Weather Statement	FFC	Carroll	45 min
Sep 4, 5:06 PM EDT	Special Weather Statement	FFC	Heard	39 min
Sep 4, 5:59 PM EDT	Special Weather Statement	FFC	Carroll, Heard	61 min
Sep 4, 7:00 PM EDT	Special Weather Statement	FFC	Banks, Madison	45 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.