Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

June 9, 2012Glades County, Florida

NWS Miami, FL issued this special weather statement at Jun 9, 2012, 3:29 PM EDT for Glades 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 9, 2012, 3:29 PM EDT (19:29 UTC)
Expired
Jun 9, 2012, 4:00 PM EDT
In force
31 min
Issued by
NWS Miami, FL

County Glades County, FL

The radar

The Melbourne radar (KMLB), 146 km from the middle of the area, began a volume at 19:32 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 7.5 hours before the alert went out and 188 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, Cape Canaveral, FL at 12:00Z on 2012-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Cape Canaveral, FL at 12:00Z on 2012-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
3 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1102 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Miami, FL wrote its last area forecast discussion before this special weather statement went out at Jun 9, 2:45 PM EDT, 44 minutes earlier.

Area forecast discussion, Jun 9, 2:45 PM EDT, 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
245 PM EDT SAT JUN 9 2012

.DISCUSSION...
AS OF 18Z THIS AFTERNOON...FAR LESS ACTIVITY IS SEEN ON RADAR THAN
AT THIS POINT YESTERDAY. EASTERLY SEA BREEZE HAS BEEN SLOW GETTING
GOING BUT SEEMS TO BE PUSHING INLAND A BIT ATTM. STILL BELIEVE
CONVECTION WILL INCREASE IN COVERAGE THROUGH THE REMAINDER OF THE
AFTERNOON MAINLY ACROSS THE EAST COAST COUNTIES. A FEW STORMS
COULD AGAIN BE STRONG WITH GUSTY WINDS...HEAVY DOWNPOURS...AND
LIGHTNING STRIKES BEING THE MAIN THREATS. ACTIVITY SHOULD THEN
DIMINISH BY EARLY EVENING WITH LOSS OF HEATING.

SUNDAY INTO MONDAY...BETTER MID LEVEL DRYING WILL TAKE PLACE AS AN
H5 RIDGE CENTERS ACROSS THE FLORIDA STRAITS. A SURFACE RIDGE OFF
THE ATLANTIC COAST WILL THEN BUILD BACK TO THE WEST SLIGHTLY
WHICH WILL ALLOW A QUASI-STATIONARY FRONTAL BOUNDARY TO EASE BACK
NEAR SOUTH FLORIDA AS A BACK DOOR COLD FRONT. WITH THIS FEATURE IN
THE AREA COMBINED WITH DIURNAL HEATING...BELIEVE CHANCES FOR
SHOWERS AND THUNDERSTORMS WILL CONTINUE EACH DAY WITH SLIGHTLY
BETTER CHANCES SUNDAY AFTERNOON DUE MAINLY TO THE PROXIMITY OF THE
FRONT.

A SLOW MOVING H5 SHORTWAVE WILL BEGIN TO DIG INTO THE NORTHERN
PORTIONS OF FLORIDA BY TUESDAY. AS IT DOES...AN ASSOCIATED COLD
FRONT WILL INCH CLOSER TO THE AREA ENHANCING CHANCES FOR SHOWERS
AND THUNDERSTORMS TUESDAY AND WEDNESDAY. WITH WEAK STEERING FLOW
THE SHORTWAVE WILL STRUGGLE TO CONSOLIDATE AND EXIT INTO THE
ATLANTIC. AS A RESULT...WEAK MID LEVEL DISTURBANCES EMBEDDED IN
THE FLOW WILL SWING BY JUST NORTH OF THE AREA KEEPING CHANCES OF
SHOWERS AND THUNDERSTORMS THROUGH THE REMAINDER OF THE WEEK.

&&

.AVIATION...
HEAVY CLOUD COVER EARLIER THIS MORNING HELD BACK DIURNAL HEATING
CYCLE AND TCU JUST BEGINNING TO DEVELOP ACROSS S FL AT 17Z. SHORT
TERM MODELS HAVE ALSO BECOME LESS CONFIDENT OF CONVECTION
INITIATION PRIOR TO AROUND 18-19Z SO DELAYED VCTS IN THE TAFS FOR
THESE REASONS. ALSO TOOK OUT MENTION OF THEM FOR THE KTMB TERMINAL
AS THE CELLS SHOULD BE WELL NORTH AS THE AFTERNOON PROGRESSES AND
COULD EVEN BE NORTH OF THE KMIA AND KOPF TERMINALS. LIGHT FLOW HAS
ALLOWED SEA BREEZES ALONG BOTH COASTS AND THIS WILL CONTINUE UNTIL
AROUND 00-01Z THIS EVENING.

&&

.MARINE...
EASTERLY WINDS WILL REMAIN BELOW 15 KNOTS THROUGH THIS WEEKEND
OVER ALL THE LOCAL WATERS. THE SEAS WILL ALSO REMAIN AT 3 FEET OR
LESS OVER BOTH THE ATLANTIC AND GULF WATERS THROUGH THIS WEEKEND.
SO BOATING CONDITIONS SHOULD BE GOOD OUTSIDE OF ANY SHOWERS OR
THUNDERSTORMS THIS WEEKEND.

&&

.FIRE WEATHER...
MINIMUM RELATIVE HUMIDITIES WILL REMAIN WELL ABOVE CRITICAL LEVELS
ACROSS SOUTH FLORIDA THROUGH THE WEEKEND.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  76  86  75  86 / 20 30 10 10
FORT LAUDERDALE  78  88  78  87 / 20 30 10 10
MIAMI            78  89  78  88 / 20 30 10 10
NAPLES           77  89  76  91 / 20 30 10 20

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.
&&

DISCUSSION/MARINE/FIRE...10/CD
AVIATION/RADAR...30/KOB
Hazardous weather outlook, Jun 9, 5:05 AM EDT, 10 hours 24 minutes before
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In the hours before

Special weather statement, Jun 9, 3:08 PM EDT, 21 minutes before
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Special weather statement, Jun 9, 3:17 PM EDT, 12 minutes before
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Special weather statement, Jun 9, 3:29 PM 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 9, 12:32 AM EDTSpecial Marine WarningMFL118 min
Jun 9, 1:34 AM EDTSevere Thunderstorm WarningMFLCollier41 min
Jun 9, 1:52 AM EDTTornado WarningMFLCollier23 min
Jun 9, 2:01 AM EDTSpecial Marine WarningMFL59 min
Jun 9, 2:09 AM EDTSpecial Weather StatementMFLGlades36 min
Jun 9, 2:16 AM EDTSevere Thunderstorm WarningMFLCollier, Glades, Hendry59 min
Jun 9, 2:55 AM EDTSpecial Marine WarningMFL73 min
Jun 9, 3:03 AM EDTSpecial Marine WarningMFL81 min
Jun 9, 3:41 AM EDTSpecial Weather StatementMFLCollier34 min
Jun 9, 3:08 PM EDTSpecial Weather StatementMFLBroward52 min
Jun 9, 3:14 PM EDTSevere Thunderstorm WarningMFLBroward30 min
Jun 9, 3:17 PM EDTSpecial Weather StatementMFLMartin28 min
Jun 9, 3:30 PM EDTSpecial Marine WarningMFL90 min
Jun 9, 3:46 PM EDTSpecial Weather StatementMFLPalm Beach29 min
Jun 9, 3:57 PM EDTSpecial Weather StatementMFLGlades48 min
Jun 9, 4:05 PM EDTAreal Flood AdvisoryMFLBroward34 min
Jun 9, 4:58 PM EDTSpecial Marine WarningMFL47 min
Jun 9, 5:19 PM EDTSpecial Weather StatementMFLBroward41 min
Jun 9, 6:45 PM EDTSpecial Weather StatementMFLCollier45 min
Jun 9, 7:22 PM EDTSevere Thunderstorm WarningMFLCollier38 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.