Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Tallahassee, FL

August 29, 2012Wakulla County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 29, 2012, 12:39 PM EDT for Wakulla County, Florida. It was in force for 51 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, 12:39 PM EDT (16:39 UTC)
Expired: Aug 29, 2012, 1:30 PM EDT
In force: 51 min
Issued by: NWS Tallahassee, FL

County Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 32 km from the middle of the area, began a volume at 16:42 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.7 hours before the alert went out and 31 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: 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, 2 hours earlier.

Area forecast discussion, Aug 29, 10:39 AM EDT, 2 hours before

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Hazardous weather outlook, Aug 29, 4:01 AM EDT, 8 hours 38 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, 10:31 AM EDT, 2 hours 8 minutes before

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Special weather statement, Aug 29, 11:19 AM EDT, 1 hour 20 minutes before

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Special weather statement, Aug 29, 11:47 AM EDT, 52 minutes before

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Special weather statement, Aug 29, 12:31 PM EDT, 8 minutes before

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Special weather statement, Aug 29, 12:39 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 3:13 AM EDT	Rip Current Statement	TAE	Bay, Franklin, Gulf, Walton	48 hr
Aug 29, 3:13 AM EDT	High Surf Advisory	TAE	Bay, Gulf, Walton	48 hr
Aug 29, 10:31 AM EDT	Special Weather Statement	TAE	Leon	29 min
Aug 29, 3:10 PM EDT	Special Weather Statement	TAE	Wakulla	35 min
Aug 29, 3:27 PM EDT	Special Weather Statement	TAE	Leon	48 min
Aug 29, 4:54 PM EDT	Special Weather Statement	TAE	Wakulla	36 min
Aug 29, 5:13 PM EDT	Special Weather Statement	TAE	Gadsden, Leon	47 min
Aug 29, 5:47 PM EDT	Special Weather Statement	TAE	Jackson	28 min
Aug 29, 5:59 PM EDT	Tornado Warning	TAE	Jackson	31 min
Aug 29, 6:06 PM EDT	Tornado Warning	TAE	Jackson	24 min
Aug 29, 6:54 PM EDT	Tornado Warning	TAE	Jackson	36 min
Aug 29, 11:19 AM EDT	Special Weather Statement	TAE	Grady	26 min
Aug 29, 11:47 AM EDT	Special Weather Statement	TAE	Grady, Mitchell, Thomas	43 min
Aug 29, 12:31 PM EDT	Special Weather Statement	TAE	Colquitt	44 min
Aug 29, 1:18 PM EDT	Special Weather Statement	TAE	Worth	42 min
Aug 29, 2:59 PM EDT	Special Weather Statement	TAE	Berrien, Colquitt, Cook	31 min
Aug 29, 3:40 PM EDT	Special Weather Statement	TAE	Lanier	35 min
Aug 29, 6:24 PM EDT	Tornado Warning	TAE	Geneva, Houston	36 min
Aug 29, 6:29 PM EDT	Tornado Warning	TAE	Houston	31 min

Nearby

Special Weather Statements in Florida, 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.