Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Tallahassee, FL

August 9, 2012Gulf County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 9, 2012, 1:21 PM CDT for Gulf County, Florida. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 9, 2012, 1:21 PM CDT (18:21 UTC)
Expired
Aug 9, 2012, 2:00 PM CDT
In force
39 min
Issued by
NWS Tallahassee, FL

County Gulf County, FL

The radar

The Eglin Afb radar (KEVX), 95 km from the middle of the area, began a volume at 18:24 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.

What was reported inside it

TimeReportWhereRemark
Aug 9, 1:40 PM CDTMARINE TSTM WIND 453 N St Joseph State Par, FLSTRONG WINDS BLEW DOWN SOME CANOPIES ON THE CAPE. NO TREE DAMAGE REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.4 hours before the alert went out and 119 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 2012-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2246 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2012-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
2246 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
19 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.

119 
WWUS82 KTAE 091821
SPSTAE

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
221 PM EDT THU AUG 9 2012

FLZ014-112-114-091900-
INLAND GULF FL-COASTAL GULF FL-COASTAL BAY FL-
121 PM CDT THU AUG 9 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR FAR SOUTHEAST BAY 
AND GULF COUNTIES...

* UNTIL 200 PM CDT /300 PM EDT/

AT 117 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG 
THUNDERSTORM 8 MILES SOUTHWEST OF MEXICO BEACH...MOVING EAST AT 30 
MPH.

WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

ALSO...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS
STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER
ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

LAT...LON 2983 8532 2986 8538 2979 8540 2971 8538
      2971 8540 2984 8543 2988 8539 2986 8535
      2994 8541 2996 8551 3000 8554 3004 8539
      3002 8518 2989 8512 2971 8530 2971 8532
TIME...MOT...LOC 1821Z 267DEG 26KT 2989 8551

$$

08-LAMERS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 11:28 AM CDTSpecial Weather StatementTAELeon62 min
Aug 9, 12:37 PM CDTSpecial Marine WarningTAE53 min
Aug 9, 1:23 PM CDTSpecial Marine WarningTAE22 min
Aug 9, 1:42 PM CDTSpecial Weather StatementTAEWalton33 min
Aug 9, 1:53 PM CDTSpecial Weather StatementTAEGulf52 min
Aug 9, 12:03 PM CDTSpecial Weather StatementTAEGrady42 min
Aug 9, 1:19 PM CDTSpecial Weather StatementTAEDougherty41 min
Aug 9, 1:28 PM CDTAreal Flood AdvisoryTAEDougherty3 hr
Aug 9, 1:35 PM CDTSevere Thunderstorm WarningTAEDougherty, Lee, Worth40 min
Aug 9, 1:37 PM CDTFlash Flood WarningTAEDougherty83 min
Aug 9, 2:43 PM CDTSpecial Weather StatementTAEBen Hill, Irwin57 min
Aug 9, 12:00 PM CDTSpecial Weather StatementTAEDale, Henry, Houston60 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.