Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

June 25, 2012Hendry County, Florida

NWS Miami, FL issued this special weather statement at Jun 25, 2012, 10:14 AM EDT for Hendry County, Florida. It was in force for 31 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
Jun 25, 2012, 10:14 AM EDT (14:14 UTC)
Expired
Jun 25, 2012, 10:45 AM EDT
In force
31 min
Issued by
NWS Miami, FL

County Hendry County, FL

The radar

The Miami radar (KAMX), 136 km from the middle of the area, began a volume at 14:16 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

Miami, FL (KMFL), launched 12:00Z, 2.2 hours before the alert went out and 122 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, Miami, FL at 12:00Z on 2012-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1445 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, Miami, FL at 12:00Z on 2012-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.193958Sfc1 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
1445 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

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 Miami, FL wrote its last area forecast discussion before this special weather statement went out at Jun 25, 8:07 AM EDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 25, 8:07 AM EDT, 2 hours 7 minutes before
AREA FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE MIAMI FL
807 AM EDT MON JUN 25 2012

.UPDATE...TORNADO WATCH CONTINUES UNTIL 2 PM FOR GLADES COUNTY.
AN OUTER BAND FROM T.S. DEBBY APPROACHING SW FLA COAST MAINLY AND
INTO THE GULF WATERS OFF OF COLLIER AND MAINLAND MONROE COUNTIES.
IR SATELLITE LOOPS INDICATED WARMING TOPS EARLIER HAVE NOW BEGUN TO
COOL AGAIN. ALL OF THIS OCCURRING ON THE SOUTHERN PERIPHERY OF DEBBY
AND THIS ACTIVITY MAY PERSIST INTO THIS AFTERNOON SPREADING FROM SW
TO NE ACROSS S FLA WITH THE EMPHASIS OF THE WEATHER IN THE NW 2/3RDS
OF THE CWA. HAVE UPPED POPS A BIT ESPECIALLY LAKE OKEE REGION AND W.

.PREV DISCUSSION... /ISSUED 341 AM EDT MON JUN 25 2012/

DISCUSSION...MODELS FINALLY COMING MORE IN LINE TO THE FUTURE
EVOLUTION OF T.S. DEBBY BUT HAVE LEANED CLOSER TO THE GFS AND NAM
SOLUTIONS AS CURRENT CONDITIONS MATCH THEIR PARAMETERS CLOSER
ESPECIALLY WITH THE WIND SPEEDS FROM THE NAM. EVEN THE ECMWF HAS
BEGUN TO COME MORE IN LINE WITH THE GFS SOLUTION. THE STRONGEST
CONVECTION CONTINUES TO BE WELL TO THE EAST OF THE CENTER OF DEBBY
WHICH PLACES THE STRONGEST ACTIVITY OVER NORTH AND CENTRAL FL WITH
S FL IN A TEMPORARY LULL. STILL, CONVECTION IS CURRENTLY FIRING IN
THE YUCATAN CHANNEL AND THIS WILL MOVE TOWARDS THE NE. HOWEVER,
THE NAM AND THE SHORT TERM MODELS HRRR AND WRF DO NOT SHOW MUCH
IN THE WAY OF CONVECTION TODAY BOTH SHOWING MOST OF THE BANDING
JUST NORTH OF OUR CWA. IN FACT THE MET GUIDANCE HAS VIRTUALLY NO
CHANCES FOR RAIN ALONG THE E CST. THAT MAY BE A LITTLE TOO
OPTIMISTIC. SO BASED ON ALL OF THIS, PLAN TO LOWER POPS BY A
CATEGORY BUT NO LOWER GIVEN THE PROXIMITY OF DEBBY. THE OTHER
FACTOR IS THAT THE CIRCULATION AROUND THE SYSTEM STILL PLACES S FL
IN A QUADRANT FAVORABLE FOR STRONG CONVECTION SO ANY STORMS THAT
DO DEVELOP COULD BECOME QUITE ACTIVE AND POSSIBLY EVEN SEVERE
ESPECIALLY OVER THE LAKE OKEECHOBEE REGION INCLUDING THE NAPLES
AREA TO AROUND PALM BEACH COUNTY. THE OTHER BIG IMPACT THAT THIS
SYSTEM WILL HAVE NOW ON S FL IS THAT IT IS NOW FCST TO REMAIN
NEARLY STATIONARY OVER THE NORTHEAST GULF BEFORE MOVING INLAND IN
THE BIG BEND AREA SO THIS WILL MAINTAIN A PROLONGED S TO SW WIND
FLOW OVER THE REGION. THAT BEING SAID AND THE FACT THAT TIDES
ALONG THE GULF COAST ARE RUNNING ABOUT A FOOT ABOVE NORMAL, THIS
WILL SET THE STAGE FOR SOME MINOR COASTAL FLOODING ALONG THE COAST
OF COLLIER COUNTY MAINLY SOUTH OF THE NAPLES AREA ALONG WITH AN
INCREASED RISK FOR RIP CURRENTS. A COASTAL FLOOD STATEMENT HAS BEEN
ISSUED TO ACCOUNT FOR THIS. AS DEBBY CHURNS OVER THE NORTHEAST
GULF THROUGH TUESDAY, A CONTINUED FLOW OF TROPICAL AIR WILL
MAINTAIN ITS GRIP ON S FL BUT IT APPEARS THAT THE CONTINUOUS
BANDING WILL BE FARTHER TO OUR NORTH AND POPS WILL BE IN THE SCT
RANGE THROUGH WEDNESDAY. THE NAM AND GFS ARE IN AGREEMENT THAT
DEBBY WILL EVENTUALLY MERGE WITH AN UPSTREAM MID LEVEL TROUGH AND
BEGIN TO LIFT TO THE NE BY THE END OF THIS WEEK WITH DRIER AIR
ALOFT MOVING OVER S FL AND GRIDS WILL REFLECT THIS TREND.

MARINE...A SOUTH TO SOUTHWEST WIND HAS NOW DEVELOPED OVER THE
MARINE AREAS AND THIS WILL CONTINUE THROUGH AT LEAST TUESDAY.
SPEEDS WILL BE IN THE RANGE OF 20-25 KT OVER THE GULF WATERS WITH
OCCASIONAL GUSTS TO AROUND 30 KT. WIND SPEEDS WILL BE AROUND 20 KT
IN ALL OTHER S FL WATERS SO SCA WILL CONTINUE FOR ALL WATERS.
CONDITIONS WILL BEGIN TO IMPROVE BY WEDNESDAY.

FIRE WEATHER...NO PROBLEMS WITH PLENTY OF AMPLE TROPICAL MOISTURE.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  88  77  90  78 / 50 40 50 40
FORT LAUDERDALE  88  79  90  79 / 50 40 50 40
MIAMI            88  79  89  79 / 40 40 50 40
NAPLES           85  78  88  77 / 50 50 50 40

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...HIGH RIP CURRENT RISK THROUGH LATE TUESDAY NIGHT FOR COASTAL
     COLLIER.

AM...SMALL CRAFT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR BISCAYNE
     BAY-COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL
     OUT 20 NM-COASTAL WATERS FROM JUPITER INLET TO DEERFIELD
     BEACH, FL OUT 20 NM-LAKE OKEECHOBEE-WATERS FROM DEERFIELD
     BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM TO THE
     TERRITORIAL WATERS OF THE BAHAMAS-WATERS FROM JUPITER INLET
     TO DEERFIELD BEACH, FL EXTENDING FROM 20 NM TO 60 NM.

GM...SMALL CRAFT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR COASTAL
     WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM-
     COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE, FL OUT
     20 NM-GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL
     EXTENDING FROM 20 TO 60 NM.

&&
Hazardous weather outlook, Jun 25, 9:59 AM EDT, 15 minutes before
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In the hours before

Special weather statement, Jun 25, 9:40 AM EDT, 34 minutes before
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Special weather statement, Jun 25, 10:14 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 8:12 PM EDTSpecial Weather StatementMFLCollier, Monroe63 min
Jun 24, 8:40 PM EDTSpecial Marine WarningMFL35 min
Jun 24, 8:43 PM EDTSevere Thunderstorm WarningMFLCollier, Monroe47 min
Jun 24, 9:05 PM EDTSpecial Weather StatementMFLCollier, Hendry40 min
Jun 24, 9:12 PM EDTSevere Thunderstorm WarningMFLCollier, Glades, Hendry63 min
Jun 24, 9:22 PM EDTSevere Thunderstorm WarningMFLBroward, Collier, Hendry, Miami-Dade, Monroe, Palm Beach38 min
Jun 24, 9:56 PM EDTSpecial Marine WarningMFL94 min
Jun 24, 10:15 PM EDTSpecial Weather StatementMFLGlades, Hendry30 min
Jun 25, 2:17 AM EDTCoastal Flood StatementMFLCollier25 hr
Jun 25, 2:17 AM EDTRip Current StatementMFLCollier66 hr
Jun 25, 8:16 AM EDTSpecial Marine WarningMFL59 min
Jun 25, 8:56 AM EDTSevere Thunderstorm WarningMFLCollier49 min
Jun 25, 9:40 AM EDTSpecial Weather StatementMFLGlades35 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.