Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Tallahassee, FL

August 14, 2012Washington County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 14, 2012, 10:40 AM CDT for Washington County, Florida. It was in force for 50 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 14, 2012, 10:40 AM CDT (15:40 UTC)
Expired
Aug 14, 2012, 11:30 AM CDT
In force
50 min
Issued by
NWS Tallahassee, FL

County Washington County, FL

The radar

The Eglin Afb radar (KEVX), 30 km from the middle of the area, began a volume at 15:39 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, 3.7 hours before the alert went out and 131 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 2012-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1774 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1774 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

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 14, 9:07 AM CDT, 1 hour 33 minutes earlier.

Area forecast discussion, Aug 14, 9:07 AM CDT, 1 hour 33 minutes before
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Hazardous weather outlook, Aug 14, 3:10 AM CDT, 7 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TALLAHASSEE FL
410 AM EDT TUE AUG 14 2012

ALZ065>069-FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-
GAZ120>131-142>148-155>161-GMZ730-750-755-765-770-775-150100-
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-
410 AM EDT TUE AUG 14 2012 /310 AM CDT TUE AUG 14 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...TONIGHT...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. WE WILL SEE AN
INCREASE IN SHOWERS AND THUNDERSTORMS ACROSS THE TRI-STATE REGION
TODAY. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED ALTHOUGH A FEW
STORMS MAY BRIEFLY BECOME STRONG TO SEVERE LATER THIS MORNING OR
AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. TYPICAL SUMMERTIME
WEATHER WITH SCATTERED SHOWERS AND THUNDERSTORM EACH DAY. SHOWERS
AND THUNDERSTORMS MAY BECOME MORE NUMEROUS OVER THE WEEKEND AS A
COLD FRONT PUSHES INTO THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

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.

BARRY

In the hours before

Special weather statement, Aug 14, 10:40 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 10:56 AM CDTSpecial Weather StatementTAEWashington49 min
Aug 14, 11:24 AM CDTSpecial Weather StatementTAEJackson51 min
Aug 14, 12:24 PM CDTSpecial Marine WarningTAE51 min
Aug 14, 12:26 PM CDTSpecial Weather StatementTAEGadsden49 min
Aug 14, 12:46 PM CDTSpecial Weather StatementTAELeon59 min
Aug 14, 1:17 PM CDTSpecial Weather StatementTAEMadison43 min
Aug 14, 1:33 PM CDTSpecial Weather StatementTAEJefferson42 min
Aug 14, 2:06 PM CDTSpecial Marine WarningTAE54 min
Aug 13, 8:49 PM CDTRiver Flood WarningTAEBerrien, Lowndes15 hr
Aug 14, 3:01 PM CDTSpecial Weather StatementTAEHenry29 min
Aug 14, 3:02 PM CDTSpecial Weather StatementTAEHenry28 min
Aug 14, 3:33 PM CDTSpecial Weather StatementTAEHenry27 min
Aug 14, 3:47 PM CDTSpecial Weather StatementTAECoffee28 min
Aug 14, 3:55 PM CDTSevere Thunderstorm WarningTAECoffee, Dale35 min
Aug 14, 4:05 PM CDTSpecial Weather StatementTAEDale25 min
Aug 14, 4:13 PM CDTSevere Thunderstorm WarningTAEDale32 min
Aug 14, 4:43 PM CDTSpecial Weather StatementTAEDale37 min
Aug 14, 5:09 PM CDTSpecial Weather StatementTAECoffee51 min
Aug 14, 5:22 PM CDTSevere Thunderstorm WarningTAECoffee, Geneva38 min
Aug 14, 5:43 PM CDTSevere Thunderstorm WarningTAECoffee, Dale32 min
Aug 14, 5:52 PM CDTSpecial Weather StatementTAEGeneva23 min
Aug 14, 6:17 PM CDTSpecial Weather StatementTAEGeneva58 min

Nearby

Special Weather Statements in Florida, 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; radar from the NEXRAD Level II archive.