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, 2:09 AM EDT for Glades County, Florida. It was in force for 36 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, 2:09 AM EDT (06:09 UTC)
Expired
Jun 9, 2012, 2:45 AM EDT
In force
36 min
Issued by
NWS Miami, FL

County Glades County, FL

The radar

The Tampa radar (KTBW), 136 km from the middle of the area, began a volume at 06:12 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

Tampa Bay, FL (KTBW), launched 00:00Z, 6.2 hours before the alert went out and 136 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, Tampa Bay, FL at 00:00Z on 2012-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 312 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, Tampa Bay, FL at 00:00Z on 2012-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -79 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
312 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-79 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

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 8, 9:01 PM EDT, 5 hours 8 minutes earlier.

Area forecast discussion, Jun 8, 9:01 PM EDT, 5 hours 8 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
901 PM EDT FRI JUN 8 2012

...WET WEATHER WILL CONTINUE TONIGHT OVER SOUTH FLORIDA...
...A FEW STRONG STORMS POSSIBLE TONIGHT OVER SOUTH FLORIDA...

.UPDATE...
SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTH
FLORIDA THIS EVENING. THE SHOWERS AND THUNDERSTORMS WILL CONTINUE
TO DEVELOP OVER THE AREA THROUGH THE OVERNIGHT HOURS...AS A SHORT
WAVE OVER THE EASTERN GULF OF MEXICO MOVES EAST ACROSS THE FLORIDA
PENINSULA. AT THE SAME TIME...THE SURFACE TROUGH WILL ALSO REMAIN
NEARLY STATIONARY OVER CENTRAL FLORIDA. THEREFORE...THE POPS WILL
BE RAISE TONIGHT WITH NUMEROUS POPS OVER THE NORTHWEST INTERIOR AND
WEST COAST METRO AREAS TO HIGH IN SCATTERED CATEGORICAL POPS OVER
THE REST OF THE CWA.

THERE COULD EVEN BE A FEW STRONG STORMS TONIGHT OVER THE CWA
ESPECIALLY WHERE THE LAND BREEZE SETS UP ALONG BOTH THE EAST AND
WEST COAST METRO AREAS. SO WILL CONTINUE TO MENTION A FEW STRONG
STORMS IN THE EVENING HWO PRODUCT. THE PRIMARY IMPACTS FROM THE
STORMS WILL BE FREQUENT LIGHTNING STRIKES...GUSTY WINDS...AND
LOCALLY HEAVY RAINFALL.

REST OF THE FORECAST LOOKS GOOD AT THIS TIME AND NO OTHER CHANGES
ARE PLAN.

&&
.UPDATE...54/BNB

.PREV DISCUSSION... /ISSUED 217 PM EDT FRI JUN 8 2012/

DISCUSSION...WATER VAPOR IMAGERY SHOWING WELL DEFINED MID LEVEL
TROUGH DIGGING INTO THE NW GOFMEX FROM S TX WHICH IS GENERATING
NUMEROUS CONVECTION OVER THE CENTRAL GULF. AT THE SAME TIME, A
LARGE SUBTROPICAL RIDGE IS LOCATED FROM THE WESTERN CARIBBEAN INTO
THE ATLANTIC WITH SFC RIDGE ACROSS THE EXTREME SOUTHERN
PENINSULA/NORTHERN FL STRAITS AND A STATIONARY FRONTAL BOUNDARY
DRAPED ACROSS N FL. ALL OF THESE SYSTEMS ARE COMBINING TO PROVIDE
A DEEP WSW FLOW OVER S FL WITH ABUNDANT TROPICAL MOISTURE BEING
PULLED FROM THE CARIBBEAN AND SOUTHEAST GULF WITH DEW POINTS IN
THE MID TO UPPER 70S. THERE WAS SOME MID LEVEL DRYING DEPICTED BY
THE 12Z MFL SOUNDING AND THIS ALLOWED FOR SOME CLEARING TO TAKE
PLACE WHICH IN TURN HAS AIDED IN THE DEVELOPMENT OF CONVECTION
OVER THE INTERIOR AREAS AND WILL ALSO FAVOR STRONGER STORMS TO
POSSIBLY PRODUCE SOME STRONG WIND GUSTS. THE THINNING CLOUD LAYER
HAS ALSO HELPED SFC TEMPERATURES TO CLIMB AROUND 90 AND A SEA
BREEZE IS DEVELOPING ALONG THE E CST AND THIS WILL ALSO ONLY ADD
FUEL TO THE ALREADY ONGOING CONVECTION.

A VERY LARGE MID LEVEL TROUGH WILL BEGIN TO MOVE INTO THE PACIFIC
NORTHWEST THIS WEEKEND AND THIS WILL KICK THE WESTERN MID LEVEL
TROUGH TO THE NORTHEAST INTO THE SOUTH CENTRAL GULF STATES WITH THE
CARIBBEAN RIDGE TO BEGIN BUILDING NORTHWARD. AS THESE TWO SYSTEMS
SHIFT NORTH, THIS WILL ALLOW FOR THE DEEP LAYER MOISTURE TO ALSO
SHIFT NORTH AND SOME DRYING IS ANTICIPATED ACROSS S FL OVER THE
WEEKEND AND A LOWERING TREND TO THE POPS WILL ENSUE. HOWEVER,
SCATTERED SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED WITH THE BEST
CHANCES OVER THE NORTHERN HALF OF THE REGION. AN EASTERLY FLOW IS
ALSO EXPECTED TO BEGIN SATURDAY AFTERNOON WHILE THE CONVECTION WILL
LIKELY BE ENHANCED ACROSS THE LAKE REGION AS SEA BREEZE BOUNDARIES
COLLIDE. AN EVEN DRIER TREND IS EXPECTED ON SUNDAY AS THE MID LEVEL
RIDGE CONTINUES TO BUILD OVER THE AREA AND THICKNESSES ARE ON THE
RISE. TEMPERATURES THEREFORE WILL ALSO BE ON THE RISE AND HIGHS ON
SUNDAY COULD APPROACH THE UPPER 90S OVER THE INTERIOR WEST AND
MAINLY LOWER 90S ELSEWHERE.

MID AND UPPER LEVEL HIGH PRESSURE IS EXPECTED TO REMAIN OVER OR NEAR
THE REGION THROUGH THE BEGINNING OF NEXT WEEK...WITH SURFACE HIGH
PRESSURE REMAINING ACROSS THE WESTERN ATLANTIC. THE UPPER LEVEL
TROUGH WILL MOVE SLOWLY EAST ACROSS LOUISIANA AND THE NORTHERN GULF.
SO LIGHT EASTERLY LOW LEVEL FLOW WILL CONTINUE...AND SEA BREEZE
INTERACTION WILL DICTATE SHOWERS AND STORMS. THE BEST CHANCE OF
STORMS WILL CONTINUE TO BE ACROSS THE GULF COAST AND INTERIOR. THE
UPPER LEVEL TROUGH WILL MOVE TOWARDS THE EASTERN GULF AND THE
FLORIDA PENINSULA ON TUESDAY...AND THEN REMAIN ACROSS THE NORTHEAST
GULF AND NORTHERN FLORIDA THROUGH THE END OF THE WEAK. THIS FEATURE
MAY HELP ENHANCE THE AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS
SLIGHTLY WEDNESDAY THROUGH THE END OF THE WEEK. HOWEVER...POPS ARE
EXPECTED TO REMAIN NEAR CLIMO AT LOW END CHANCE EACH DAY.
TEMPERATURES ARE ALSO EXPECTED TO BE NEAR NORMAL.

MARINE...THE WINDS WILL REMAIN BELOW 15 KNOTS TONIGHT THROUGH
THIS WEEKEND OVER ALL THE LOCAL WATERS...AS THEY SWING FROM A
SOUTH TO SOUTHWEST DIRECTION TODAY TO A EASTERLY DIRECTION THIS
WEEKEND. THE SEAS WILL ALSO REMAIN AT 4 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
TODAY INTO THIS WEEKEND.

FIRE WEATHER...NO PROBLEMS OR CONCERNS.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  77  88  75  87 / 50 50 20 20
FORT LAUDERDALE  77  90  78  90 / 50 40 20 20
MIAMI            76  90  77  90 / 50 40 20 20
NAPLES           77  90  76  91 / 50 50 30 40

&&

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

DISCUSSION/MARINE/FIRE...30/KOB
AVIATION/RADAR...47/RGH
Hazardous weather outlook, Jun 9, 12:42 AM EDT, 1 hour 27 minutes before
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In the hours before

Special weather statement, Jun 9, 2:09 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
209 AM EDT SAT JUN 9 2012

FLZ063-066-090645-
GLADES FL HENDRY FL
209 AM EDT SAT JUN 9 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  WESTERN GLADES COUNTY
  NORTHWESTERN HENDRY COUNTY

* UNTIL 245 AM EDT

* AT 206 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM 5 MILES SOUTH OF MUSE...AND MOVING NORTHEAST AT
  25 MPH.

* THE STORM WILL AFFECT...
  MUSE...
  LA BELLE...
  ORTONA...
  AND SURROUNDING COMMUNITIES.

FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...UP
TO NICKEL-SIZED HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF
THESE ARE POSSIBLE. LIGHTNING IS THE NUMBER ONE WEATHER RELATED
KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. THESE
WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND
UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE
STORM PASSES.

LAT...LON 2670 8123 2669 8156 2695 8156 2704 8139
      2704 8128 2710 8127 2712 8124
TIME...MOT...LOC 0608Z 247DEG 20KT 2677 8152

JR

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, 2:16 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, 3:29 PM EDTSpecial Weather StatementMFLGlades31 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.