Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Tallahassee, FL

August 29, 2012Lanier County, Georgia

NWS Tallahassee, FL issued this special weather statement at Aug 29, 2012, 3:40 PM EDT for Lanier County, Georgia. It was in force for 35 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 29, 2012, 3:40 PM EDT (19:40 UTC)
Expired
Aug 29, 2012, 4:15 PM EDT
In force
35 min
Issued by
NWS Tallahassee, FL

County Lanier County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.7 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2012-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1779 joules per kilogram.LCLEL10008507005003002001001 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, Tallahassee Rgnl, FL at 12:00Z on 2012-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
1779 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
468 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Aug 29, 10:39 AM EDT, 5 hours 1 minute earlier.

Area forecast discussion, Aug 29, 10:39 AM EDT, 5 hours 1 minute before
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Hazardous weather outlook, Aug 29, 4:01 AM EDT, 11 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TALLAHASSEE FL
401 AM EDT WED AUG 29 2012

ALZ065>069-FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-
GAZ120>131-142>148-155>161-GMZ730-750-755-765-770-775-300000-
COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-CENTRAL WALTON-
HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-
INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-SOUTH WALTON-
COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-
COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE-QUITMAN-CLAY-
RANDOLPH-TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-
EARLY-MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-
DECATUR-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE
RIVER FL OUT TO 20 NM-
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM-
COASTAL WATERS FROM  OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO
20 NM-
COASTAL WATERS FROM  SUWANNEE RIVER TO KEATON BEACH OUT 20 NM-
WATERS FROM APALACHICOLA TO DESTIN FL FROM 20 TO 60 NM-
WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL FROM 20 TO 60 NM-
401 AM EDT WED AUG 29 2012 /301 AM CDT WED AUG 29 2012/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA...
SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND THE FLORIDA BIG BEND
AND PANHANDLE...AND ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT...

SEVERAL HAZARDS REMAIN IN EFFECT IN THE WAKE OF ISAAC.

CONVERGENT BANDS ASSOCIATED WITH ISAAC WILL BRING SHOWERS AND
ISOLATED THUNDERSTORMS TO THE LOCAL AREA ONCE AGAIN TODAY. WITHIN
THESE BANDS THE THREAT EXISTS FOR ISOLATED FLASH FLOODING AND
BRIEF TORNADOES. THESE THREATS ARE GREATEST WEST OF THE
APALACHICOLA AND CHATTAHOOCHEE RIVERS.

* REFER TO OUR COASTAL HAZARD MESSAGE (CFW) FOR HAZARDS NEAR THE COAST.

* REFER TO OUR MARINE WEATHER MESSAGE (MWW) FOR HAZARDS ACROSS OUR
  GULF OF MEXICO WATERS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

ALTHOUGH WE MAY STILL BE FEELING SOME MINIMAL EFFECTS FROM
ISAAC...THE THREAT FOR FLOODING AND TORNADOES WILL BE SLIGHTLY
LOWER ON THURSDAY. THEREAFTER...THE THREAT FOR WIDESPREAD
HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED. HOWEVER SPOTTERS ARE URGED
TO RELAY ANY REPORTS OF FLOODING OR TORNADOES TO THE NATIONAL
WEATHER SERVICE OR LOCAL LAW ENFORCEMENTS.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA
OF INTEREST ON THE NATIONAL MAP.

HARRIGAN

In the hours before

Special weather statement, Aug 29, 12:39 PM EDT, 3 hours 1 minute before
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Special weather statement, Aug 29, 1:18 PM EDT, 2 hours 22 minutes before
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Special weather statement, Aug 29, 2:59 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
259 PM EDT WED AUG 29 2012

GAZ127-129-146>148-291930-
TIFT GA-BERRIEN GA-WORTH GA-COLQUITT GA-COOK GA-
259 PM EDT WED AUG 29 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR
BERRIEN...COLQUITT...COOK...SOUTHERN TIFT AND SOUTHEAST WORTH
COUNTIES...

* UNTIL 330 PM EDT

AT 256 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM NEAR MOULTRIE...OR NEAR SOUTH MOULTRIE...MOVING NORTH AT
35 MPH.

PEOPLE IN COLQUITT...COOK...SOUTHEASTERN WORTH...SOUTHERN TIFT AND
SOUTHWESTERN BERRIEN COUNTIES...INCLUDING THE CITIES OF MOULTRIE...
NORMAN PARK AND OMEGA...SHOULD MONITOR THE WEATHER SITUATION CLOSELY.
LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE
ACTION SHOULD SEVERE WEATHER THREATEN.

WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY
REDUCE VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 3103 8329 3103 8344 3105 8350 3105 8355
      3107 8357 3104 8358 3103 8366 3108 8391
      3143 8379 3138 8341 3137 8327 3126 8318
TIME...MOT...LOC 1859Z 199DEG 30KT 3114 8374

42-DVD
Special weather statement, Aug 29, 3:10 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
310 PM EDT WED AUG 29 2012

FLZ027-127-291945-
COASTAL WAKULLA FL-INLAND WAKULLA FL-
310 PM EDT WED AUG 29 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR WAKULLA COUNTY...

* UNTIL 345 PM EDT

AT 306 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM 11 MILES SOUTHWEST OF CRAWFORDVILLE...OR NEAR
SOPCHOPPY...MOVING NORTH AT 25 MPH.

WINDS AROUND 40 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY
REDUCE VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 3002 8457 3010 8466 3022 8468 3025 8470
      3026 8473 3029 8473 3030 8471 3030 8425
      3027 8424 3027 8408 3009 8407 3006 8416
      3008 8419 3007 8426 3000 8436
TIME...MOT...LOC 1911Z 190DEG 22KT 3008 8446

42-DVD
Special weather statement, Aug 29, 3:27 PM EDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
327 PM EDT WED AUG 29 2012

FLZ017-292015-
LEON FL-
327 PM EDT WED AUG 29 2012

...SIGNIFICANT WEATHER ADVISORY IN EFFECT FOR LEON COUNTY...

* UNTIL 415 PM EDT

AT 324 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED STRONG
SHOWERS PRODUCING GUSTY WINDS ALONG A LINE EXTENDING FROM 10 MILES
NORTHWEST OF CRAWFORDVILLE TO SAINT MARKS...OR ALONG A LINE
EXTENDING FROM BROWN HOUSE TO HYDE PARK...MOVING NORTHEAST AT 35 MPH.

WINDS AROUND 40 MPH ARE EXPECTED WITH THESE STORMS.

THESE SHOWERS ARE ALSO CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS
WHICH MAY REDUCE VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 3052 8404 3046 8404 3043 8408 3027 8408
      3027 8424 3030 8425 3030 8471 3033 8471
      3041 8462 3048 8440 3057 8438 3064 8430
      3067 8431 3069 8429 3067 8401 3053 8398
TIME...MOT...LOC 1926Z 216DEG 28KT 3027 8450 3016 8424

42-DVD
Special weather statement, Aug 29, 3:40 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
340 PM EDT WED AUG 29 2012

GAZ161-292015-
LANIER GA-
340 PM EDT WED AUG 29 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR LANIER COUNTY...

* UNTIL 415 PM EDT

AT 334 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM 7 MILES SOUTHEAST OF LAKELAND...OR NEAR STOCKTON...
MOVING NORTH AT 20 MPH.

WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY
REDUCE VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 3088 8297 3088 8302 3094 8305 3095 8317
      3102 8318 3103 8320 3106 8320 3107 8317
      3114 8317 3115 8304 3118 8305 3119 8304
      3118 8297
TIME...MOT...LOC 1940Z 186DEG 19KT 3098 8300

42-DVD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 3:13 AM EDTRip Current StatementTAEBay, Franklin, Gulf, Walton48 hr
Aug 29, 3:13 AM EDTHigh Surf AdvisoryTAEBay, Gulf, Walton48 hr
Aug 29, 10:31 AM EDTSpecial Weather StatementTAELeon29 min
Aug 29, 12:39 PM EDTSpecial Weather StatementTAEWakulla51 min
Aug 29, 3:10 PM EDTSpecial Weather StatementTAEWakulla35 min
Aug 29, 3:27 PM EDTSpecial Weather StatementTAELeon48 min
Aug 29, 4:54 PM EDTSpecial Weather StatementTAEWakulla36 min
Aug 29, 5:13 PM EDTSpecial Weather StatementTAEGadsden, Leon47 min
Aug 29, 5:47 PM EDTSpecial Weather StatementTAEJackson28 min
Aug 29, 5:59 PM EDTTornado WarningTAEJackson31 min
Aug 29, 6:06 PM EDTTornado WarningTAEJackson24 min
Aug 29, 6:54 PM EDTTornado WarningTAEJackson36 min
Aug 29, 11:19 AM EDTSpecial Weather StatementTAEGrady26 min
Aug 29, 11:47 AM EDTSpecial Weather StatementTAEGrady, Mitchell, Thomas43 min
Aug 29, 12:31 PM EDTSpecial Weather StatementTAEColquitt44 min
Aug 29, 1:18 PM EDTSpecial Weather StatementTAEWorth42 min
Aug 29, 2:59 PM EDTSpecial Weather StatementTAEBerrien, Colquitt, Cook31 min
Aug 29, 6:24 PM EDTTornado WarningTAEGeneva, Houston36 min
Aug 29, 6:29 PM EDTTornado WarningTAEHouston31 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.