Special Weather Statement, NWS Miami, FL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
252 PM EDT THU JUN 30 2011

.DISCUSSION...

WIDESPREAD CLOUDINESS AND TROPICAL MOISTURE CONTINUE ACROSS SOUTH
FLORIDA AND ADJACENT WATERS. A MID TO UPPER LEVEL TROUGH CONTINUES
TO BUILD INTO THE SOUTHEAST U.S. AND IS NOW EXTENDING INTO THE
FLORIDA PENINSULA. SOUTHERLY TO SOUTHWESTERLY FLOW CONTINUES TO
BRING MOISTURE ACROSS THE REGION...ALTHOUGH SOME DRIER LOWER
LEVEL AIR MIGHT BE MAKING ITS WAY INTO THE LOCAL ATLANTIC WATERS
TO THE SOUTHEAST OF BISCAYNE BAY. BREAKS IN THE CLOUDINESS ACROSS
THE REGION HAS ALLOWED TEMPERATURES THIS AFTERNOON TO CLIMB INTO
THE UPPER 80S TO NEAR 90...WITH AFTERNOON CONVECTION STARTING TO
GET ACTIVE ACROSS THE PENINSULA.

LATEST GUIDANCE CONTINUES TO INDICATE THAT SOME DRIER LOWER LEVEL
AIR COULD BUILD INTO THE SOUTHERN PORTIONS OF THE CWA...WHILE
DEEPER LAYER MOISTURE WILL LINGER ACROSS THE NORTHERN PART OF THE
CWA AND INTO CENTRAL FLORIDA. THESE FEATURES ARE EXPECTED TO
PERSIST INTO FRIDAY AND INTO THE WEEKEND...WITH THE AFOREMENTIONED MID TO
UPPER LEVEL TROUGH FORECAST TO CONTINUE SINKING SOUTHWARD ACROSS
THE REGION. THEREFORE SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY
IN THE AFTERNOON AND EVENING...ARE FORECAST FOR FRIDAY AND INTO
THE WEEKEND. BUT THERE IS A LOT OF UNCERTAINTY IN THE
FORECAST...GIVEN THE UNCERTAINTY OF THE INFLUENCE OF THE UPPER
LEVEL TROUGH ON THE REGION AND JUST HOW FAR NORTHWARD THE LOWER
LEVEL DRIER AIR MIGHT PENETRATE INTO THE REGION.

60

&&

.MARINE...

THE PRESSURE GRADIENT ACROSS THE REGION IS FORECAST TO BE WEAK
THROUGH THE FORECAST PERIOD WITH WINDS NEAR 10 KNOTS OR LESS WITH
MAINLY TRANQUIL SEAS.

&&

.FIRE WEATHER...

NO FIRE WEATHER CONCERNS.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  75  88  75  87 / 40 50 30 40
FORT LAUDERDALE  78  89  78  87 / 30 40 30 40
MIAMI            77  89  76  88 / 30 40 30 40
NAPLES           75  87  75  89 / 30 50 30 40

&&

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

DISCUSSION/MARINE...60/BD
AVIATION/RADAR/FIRE...85/AG

HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
333 AM EDT THU JUN 30 2011

FLZ063-066>075-168-172>174-302245-
GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-
INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-
METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH-
COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE-
333 AM EDT THU JUN 30 2011

...A FEW STRONG THUNDERSTORMS POSSIBLE TODAY...
...LOCALLY HEAVY RAINFALL POSSIBLE...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON
THROUGH THE EARLY EVENING. A FEW OF THE THUNDERSTORMS COULD BECOME
STRONG, CONTAINING FREQUENT LIGHTING STRIKES AND STRONG GUSTY
WINDS. HEAVY RAINS WILL ACCOMPANY THE STORMS AS WELL.

WIND: THE STRONGEST THUNDERSTORMS TODAY WILL BE CAPABLE OF
PRODUCING WIND GUSTS TO AROUND 50 MPH.

FLOODING: LOCALLY HEAVY RAINFALL WILL BE POSSIBLE IN SOME SHOWERS
AND THUNDERSTORMS THROUGH THIS EVENING. SLOW STORM MOVEMENT MAY
RESULT IN MINOR STREET FLOODING IN SOME LOCALES.

RIP CURRENTS: THERE IS A SLIGHT RISK OF RIP CURRENTS AT THE LOCAL
ATLANTIC BEACHES DUE TO A SOUTHEAST WIND NEAR 10 MPH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THUNDERSTORMS ARE EXPECTED TO DEVELOP EACH DAY...WITH THE PRIMARY
RISK BEING LIGHTNING STRIKES...GUSTY WINDS AND HEAVY DOWNPOURS.

.SPOTTER INFORMATION STATEMENT...

WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER
INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND, HAIL AND
FLOODING TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MIAMI.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
308 PM EDT THU JUN 30 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0240 PM     TSTM WND GST     WESTON                  26.11N 80.39W
06/30/2011  M61.00 MPH       BROWARD            FL   MESONET

            61 MPH WIND GUSTS REPORTED BY MESONET LOCATED AT GRIFFEN
            AND BONAVENTURE INTERESTION.

0248 PM     TSTM WND GST     PEMBROKE PINES          26.01N 80.34W
06/30/2011  M56.00 MPH       BROWARD            FL   MESONET

            56 MPH WIND GUSTS FROM MESONET IN PEMBROKE PINES.

0255 PM     TSTM WND GST     WESTON                  26.11N 80.39W
06/30/2011  E61.00 MPH       BROWARD            FL   NWS EMPLOYEE

            AN OFF DUTY METEROROLOGIST ESTIMATED A WIND GUST OF 60
            MPH IN WESTON, FL.

&&

BAXTER

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
316 PM EDT THU JUN 30 2011

FLZ073-074-173-301945-
COASTAL MIAMI DADE COUNTY FL INLAND MIAMI-DADE COUNTY FL METROPOLITAN
MIAMI DADE FL
316 PM EDT THU JUN 30 2011

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  EAST CENTRAL MIAMI-DADE COUNTY

* UNTIL 345 PM EDT

* AT 312 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM NEAR WESTCHESTER...AND MOVING NORTHEAST AT 5
  MPH.

* THE STORM WILL AFFECT...
  WESTCHESTER...
  CORAL GABLES...
  COCONUT GROVE...
  AND SURROUNDING COMMUNITIES.

FREQUENT LIGHTNING...GUSTY WINDS FROM 45 T0 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 2573 8022 2572 8024 2570 8024 2562 8029
      2567 8044 2588 8036 2581 8017
TIME...MOT...LOC 1915Z 219DEG 5KT 2573 8031

85-GIBBS

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
331 PM EDT THU JUN 30 2011

FLZ073-302030-
INLAND MIAMI-DADE COUNTY FL
331 PM EDT THU JUN 30 2011

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL MIAMI-DADE COUNTY

* UNTIL 430 PM EDT

* AT 327 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM FORTYMILE
  BEND TO 5 MILES NORTH OF PA-HAY OKEE OVERLOOK...AND MOVING EAST AT
  15 MPH.

* THE LINE OF STORMS WILL AFFECT...
  SHARK VALLEY OBS TOWER...
  HOMESTEAD GENERAL AIRPORT...
  REDLAND...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH. 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.

RESIDENTS NEAR THE PATH OF SHOULD REMAIN ON THE ALERT FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

LAT...LON 2586 8052 2546 8050 2542 8081 2581 8085
TIME...MOT...LOC 1931Z 265DEG 12KT 2576 8078 2550 8075

BAXTER

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
343 PM EDT THU JUN 30 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0330 PM     TSTM WND GST     POMPANO BEACH           26.23N 80.12W
06/30/2011  E72 MPH          BROWARD            FL   BROADCAST MEDIA

            MEDIA REPORTED MESONET AT NORTH BROWARD MEDICAL CENTER
            WITH A 72 MPH WIND GUST.

&&

RIVERA

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