Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

December 26, 2012Sumter County, Georgia

NWS Atlanta, GA issued this special weather statement at Dec 26, 2012, 3:27 AM EST for Sumter County, Georgia. It was in force for 33 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: Dec 26, 2012, 3:27 AM EST (08:27 UTC)
Expired: Dec 26, 2012, 4:00 AM EST
In force: 33 min
Issued by: NWS Atlanta, GA

County Sumter County, GA

The radar

The Robins AFB radar (KJGX), 77 km from the middle of the area, began a volume at 08:30 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, 8.5 hours before the alert went out and 136 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 520 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 596 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 Dec 26, 3:22 AM EST, 5 minutes earlier.

Area forecast discussion, Dec 26, 3:22 AM EST, 5 minutes before

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Hazardous weather outlook, Dec 25, 4:59 PM EST, 10 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
459 PM EST TUE DEC 25 2012

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-262200-
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-
459 PM EST TUE DEC 25 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TONIGHT...
...SEVERE THUNDERSTORMS LIKELY FOR MUCH OF NORTH AND CENTRAL GEORGIA
TONIGHT...

WEATHER HAZARDS EXPECTED...
ISOLATED TORNADOES...DAMAGING WINDS...AND LARGE HAIL TONIGHT.

DISCUSSION...
A STRONG STORM SYSTEM CONTINUED TO DEVELOP OVER THE LOWER
MISSISSIPPI VALLEY AND WILL BRING WIDESPREAD SHOWERS AND ISOLATED
TO SCATTERED THUNDERSTORMS TO MUCH OF NORTH AND CENTRAL GEORGIA
THROUGH WEDNESDAY AFTERNOON. A VERY STRONG SURFACE LOW PRESSURE
CENTER WILL MOVE FROM THE LOWER MISSISSIPPI VALLEY TO THE
TENNESSEE/KENTUCKY BORDER BY WEDNESDAY MORNING. AN ASSOCIATED
COLD FRONT WILL MOVE FROM WEST TO EAST ACROSS NORTH AND CENTRAL
GEORGIA TONIGHT THROUGH WEDNESDAY. INSTABILITY AND VERTICAL WIND
SHEAR WILL INCREASE ACROSS THE REGION AND WILL BE ENOUGH FOR
ISOLATED SEVERE THUNDERSTORMS TO DEVELOP...MAINLY ACROSS WESTERN
GEORGIA BETWEEN 11 PM TONIGHT AND 5 AM WEDNESDAY MORNING...AND
ACROSS EASTERN GEORGIA BETWEEN 5 AM AND NOON WEDNESDAY.

AT THIS TIME...THE MAIN CONCERNS WILL BE ISOLATED TORNADOES AS
WELL AS STRONG DAMAGING WINDS IN EXCESS OF 60 MPH ALTHOUGH THERE
IS A HAIL THREAT AS WELL. IN ADDITION...ANTECEDENT RAINFALL IN
COMBINATION WITH THE CHRISTMAS NIGHT STORM SYSTEM COULD LEAD TO A
FEW RIVERS MAINLY OVER NORTH GEORGIA REACHING BANK FULL. AS THIS
IS A DEVELOPING SITUATION PLEASE STAY TUNED TO THE LATEST UPDATES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
THE SEVERE WEATHER WILL BE ONGOING WEDNESDAY MORNING AND FOCUSED
MAINLY ON EASTERN SECTIONS OF THE FORECAST AREA. ISOLATED
TORNADOES...60 MPH WINDS AND LARGE HAIL WILL REMAIN POSSIBLE
THROUGH MIDDAY. MUCH COLDER AIR WILL FILTER IN AND WINDY
CONDITIONS ARE EXPECTED ON WEDNESDAY. WRAP AROUND MOISTURE WILL
PROVIDE FOR A LIGHT RAIN AND SNOW MIX ACROSS THE HIGHER ELEVATIONS
OF NORTH GEORGIA WEDNESDAY NIGHT. AT THIS TIME LITTLE TO NO
ACCUMULATIONS ARE ANTICIPATED GIVEN BRIEF PERIOD OF PRECIPITATION.

THE NEXT STORM SYSTEM LOOKS TO BE A RAIN EVENT NEXT WEEKEND WITH
NO THUNDERSTORMS INDICATED AT THIS TIME. THERE AGAIN APPEARS TO BE
A SMALL WINDOW FOR A LIGHT MIXTURE FOR THE HIGHER ELEVATIONS OF
THE NORTHERN TIER AS THE STORM WINDS DOWN.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS SHOULD BE PREPARED FOR ACTIVATION ESPECIALLY AFTER
MIDNIGHT TONIGHT.

In the hours before

Special weather statement, Dec 26, 12:02 AM EST, 3 hours 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1202 AM EST WED DEC 26 2012

GAZ078-089-260530-
1202 AM EST WED DEC 26 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN MUSCOGEE AND
HARRIS COUNTIES UNTIL 1230 AM EST...

AT 1157 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER COLUMBUS...MOVING NORTHEAST AT 50 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE OCCASIONAL CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS MUSCOGEE AND
HARRIS COUNTIES THROUGH 1230 AM EST. SOME LOCATIONS IN THE PATH OF
THIS STORM INCLUDE LAUREL HILLS...GREEN ISLAND HILLS...HIGHLAND
PARK...AVONDALE...SAINT MARYS HILLS...BENNING PARK...BENNING
HILLS...CARTER ACRES...BATTLE PARK...CUSTER ROAD TERRACE...SAND
HILL...COLUMBUS...ROSE HILL...EDGEWOOD AND BIBB CITY. HEAVY
DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3281 8484 3271 8469 3258 8469 3240 8489
      3237 8495 3237 8498 3239 8499 3243 8497
      3246 8501 3249 8500 3256 8504
TIME...MOT...LOC 0501Z 215DEG 44KT 3249 8496

16

Special weather statement, Dec 26, 12:40 AM EST, 2 hours 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1240 AM EST WED DEC 26 2012

GAZ042-052-260615-
1240 AM EST WED DEC 26 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN CARROLL AND HEARD
COUNTIES UNTIL 115 AM EST...

AT 1234 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 12 MILES WEST OF WARESVILLE...MOVING NORTHEAST AT
65 MPH.

THIS STORM HAS THE POTENTIAL TO PRODUCE OCCASIONAL CLOUD TO GROUND
LIGHTNING AND WIND GUSTS TO 40 MPH AS IT MOVES ACROSS CARROLL AND
HEARD COUNTIES THROUGH 115 AM EST. SOME LOCATIONS IN THE PATH OF
THIS STORM INCLUDE WARESVILLE...FROLONA...ROOSTERVILLE...EPHESUS...
BLACKJACK MOUNTAIN...TYUS...ROOPVILLE...BOWDON...JOHN TANNER STATE
PARK...CLEM...BOWDON JUNCTION...CARROLLTON...MOUNT ZION...TREASURE
LAKE AND ABILENE. HEAVY DOWNPOURS WILL CAUSE PONDING OF WATER ON
ROADWAYS.

&&

LAT...LON 3368 8521 3370 8515 3369 8511 3372 8506
      3378 8505 3368 8490 3366 8490 3320 8525
      3355 8532
TIME...MOT...LOC 0539Z 217DEG 56KT 3330 8540

16

Special weather statement, Dec 26, 12:46 AM EST, 2 hours 41 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1246 AM EST WED DEC 26 2012

GAZ066-067-078-089-090-260615-
1246 AM EST WED DEC 26 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN TROUP...
MUSCOGEE...MERIWETHER...CHATTAHOOCHEE AND HARRIS COUNTIES UNTIL 115
AM EST...

AT 1238 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM 8 MILES WEST OF LAKE HARDING TO 31 MILES
SOUTHWEST OF FORT BENNING/LAWSON ARMY AIR FIELD...MOVING NORTHEAST AT
65 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE OCCASIONAL CLOUD TO
GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE ACROSS
TROUP...MUSCOGEE...MERIWETHER...CHATTAHOOCHEE AND HARRIS COUNTIES
THROUGH 115 AM EST. SOME LOCATIONS IN THE PATH OF THESE STORMS
INCLUDE WEST POINT...CANNONVILLE...STATE LINE PARK...LONG CANE...
PIEDMONT HEIGHTS...GOAT ROCK LAKE...LAKE HARDING...WHITESVILLE-PINE
LAKE...JONES CROSSROADS...SMITHS CROSSROAD...BAUGHS CROSSROADS...
ABBOTTSFORD...MOUNTAIN HILL...WARES CROSSROADS AND LAGRANGE. HEAVY
DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3313 8470 3223 8470 3223 8492 3227 8490
      3232 8501 3243 8497 3246 8501 3252 8501
      3264 8511 3267 8510 3269 8512 3273 8512
      3275 8515 3278 8513 3281 8517 3284 8516
      3287 8519 3312 8524
TIME...MOT...LOC 0544Z 227DEG 58KT 3277 8515 3245 8519
          3211 8527

16

Special weather statement, Dec 26, 1:14 AM EST, 2 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
114 AM EST WED DEC 26 2012

GAZ066-067-078-089-090-102-260645-
114 AM EST WED DEC 26 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN TROUP...
STEWART...MUSCOGEE...MERIWETHER...CHATTAHOOCHEE AND HARRIS COUNTIES
UNTIL 145 AM EST...

AT 111 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM WEST POINT TO 8 MILES SOUTHWEST OF FLORENCE
MARINA STATE PARK...MOVING NORTHEAST AT 55 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE OCCASIONAL CLOUD TO
GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE ACROSS
TROUP...STEWART...MUSCOGEE...MERIWETHER...CHATTAHOOCHEE AND HARRIS
COUNTIES THROUGH 145 AM EST. SOME LOCATIONS IN THE PATH OF THESE
STORMS INCLUDE GREEN ISLAND HILLS...COLUMBUS...GOAT ROCK LAKE...LAKE
HARDING...LONG CANE...PIEDMONT HEIGHTS...WEST POINT...BIBB CITY...
FORT BENNING/LAWSON ARMY AIR FIELD...LAUREL HILLS...AVONDALE...
MOUNTAIN HILL...ROSE HILL...HIGHLAND PARK AND BENNING PARK. HEAVY
DOWNPOURS WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3192 8493 3197 8497 3197 8504 3200 8507
      3213 8507 3227 8490 3232 8501 3243 8497
      3264 8511 3267 8510 3275 8515 3278 8513
      3287 8519 3309 8523 3310 8470 3192 8470
TIME...MOT...LOC 0613Z 221DEG 48KT 3289 8511 3271 8505
          3252 8499 3229 8499 3205 8515

16

Special weather statement, Dec 26, 1:47 AM EST, 1 hour 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
147 AM EST WED DEC 26 2012

GAZ089>091-102-103-260715-
147 AM EST WED DEC 26 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN WEBSTER...
STEWART...MUSCOGEE...MARION AND CHATTAHOOCHEE COUNTIES UNTIL 215 AM
EST...

AT 143 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM EELBECK/WEST FORT BENNING TO PROVIDENCE
CANYON STATE PARK...MOVING EAST AT 40 MPH.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE OCCASIONAL CLOUD TO
GROUND LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE ACROSS
WEBSTER...STEWART...MUSCOGEE...MARION AND CHATTAHOOCHEE COUNTIES
THROUGH 215 AM EST. SOME LOCATIONS IN THE PATH OF THESE STORMS
INCLUDE PROVIDENCE CANYON STATE PARK...JAMESTOWN/SOUTH FORT
BENNING...EELBECK/WEST FORT BENNING...CUSSETA...VISTA TERRACE...
COLUMBUS METROPOLITAN AIRPORT...HIGHLAND PARK...SAINT MARYS HILLS...
BENNING PARK...BENNING HILLS...CUSTER ROAD TERRACE...SAND HILL...
UPATOI...NORTH FORT BENNING AND MIDLAND. HEAVY DOWNPOURS WILL CAUSE
PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 3194 8495 3222 8495 3227 8490 3230 8495
      3257 8495 3257 8469 3255 8467 3253 8468
      3252 8469 3253 8465 3252 8457 3255 8456
      3256 8445 3251 8444 3203 8462 3194 8469
      3192 8492
TIME...MOT...LOC 0646Z 249DEG 33KT 3246 8470 3226 8479
          3208 8492

16

Special weather statement, Dec 26, 3:27 AM EST, 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
Dec 25, 9:22 PM EST	Special Weather Statement	FFC	Troup	23 min
Dec 25, 9:50 PM EST	Special Weather Statement	FFC	Coweta, Troup	25 min
Dec 25, 11:11 PM EST	Special Weather Statement	FFC	Pike	34 min
Dec 26, 12:02 AM EST	Special Weather Statement	FFC	Muscogee	28 min
Dec 26, 12:40 AM EST	Special Weather Statement	FFC	Carroll	35 min
Dec 26, 12:46 AM EST	Special Weather Statement	FFC	Chattahoochee, Harris, Muscogee, Troup	29 min
Dec 26, 1:14 AM EST	Special Weather Statement	FFC	Chattahoochee, Harris, Muscogee, Stewart, Troup	31 min
Dec 26, 1:47 AM EST	Special Weather Statement	FFC	Chattahoochee, Marion, Muscogee, Stewart	28 min
Dec 26, 2:10 AM EST	River Flood Warning	FFC	Forsyth	12 hr
Dec 26, 2:10 AM EST	River Flood Warning	FFC	Forsyth, Fulton	10 hr

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.