Small Craft Advisory 89, NWS Miami, FL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
155 PM EST MON DEC 13 2010

DISCUSSION...UPPER LOW N OF THE GREAT LAKES WITH A FULL LATITUDE
TROUGH EXTENDING WELL S TO E CUBA/CENTRAL BAHAMAS...WILL ROTATE NE
INTO NEW ENGLAND OVER THE NEXT 2 DAYS WITH THE TROUGH MOVING FURTHER
E INTO THE ATLC WHILE FILLING/WEAKENING. A LARGE UPPER RIDGE OVER
THE ROCKIES MOVES INTO THE GREAT PLAINS AND MOVES INTO THE UPPER
MIDWEST. WITHIN THAT 2 DAY PERIOD...S FLA IS IN STORE FOR A NEARLY
UNPRECEDENTED COLD PERIOD.

BRISK NW WINDS TODAY WILL LESSEN SOME OVER THE MAINLAND BUT CONTINUE
TO ADVECT COLD DRY AIR INTO S FLA OVERNIGHT. THIS WILL LEAD TO AN
ALMOST UNHEARD OF ADVECTION FREEZE IN S FLA. A HARD FREEZE WARNING
WILL BE IN EFFECT FOR THE LAKE OKEE REGION WITH A FREEZE WARNING FOR
THE REMAINDER OF S FLA. WITH THE CONTINUOUS NW WIND...A WIND CHILL
WARNING IS IN EFFECT FOR ALL OF S FLA TONIGHT. THE WINDS WILL
DECREASE TUE BUT MAX TEMPS STILL ONLY MAKE INTO THE 50S. WINDS
DECOUPLE OVER THE MAINLAND TUE NIGHT AND RADIATION COOLING WILL
OCCUR WITH FREEZING CONDITIONS AGAIN WITH A HARD FREEZE WARNING IN
THE LAKE OKEE REGION EXCEPT FOR COASTAL PALM BEACH...BROWARD AND
MIAMI DADE COUNTIES. WITH LESS/NIL WIND...NO WIND CHILL PROBLEMS
EXPECTED. MAX TEMPS WED WILL BE IN THE LOWER TO MID 60S FOR THE MOST
PART WITH MIN TEMPS WED NIGHT FROM NEAR FREEZING W OF THE LAKE TO
THE LOWER
/MID 40S SOUTHEAST. MANY RECORD LOW TEMPS THOUGH COULD BE SET
TONIGHT AND AGAIN TUE NIGHT. SEE THE CLIMATE SECTION BELOW.

.EXTENDED PERIOD...THURSDAY THROUGH MONDAY...HIGH PRESSURE WILL BE
OVER S FLA THROUGH SATURDAY AND THEN THE NEXT COLD FRONT MOVES
THROUGH S FLA SUNDAY. MINIMAL SHOWERS CAN BE EXPECTED SATURDAY AND
SUNDAY WITH CLEARING BEHIND THE FRONT. 'TIL THEN...GRADUAL WARMING
THURSDAY TO THE MID 70S THROUGH THE WEEKEND.

&&
.MARINE...
SOME CHANGES TO THE WARNINGS IN THIS PACKAGE. WINDS GRADUALLY
DECREASING WITH GULF BUOYS RARELY SHOWING A GUST NEARING 35 KT. WILL
DROP GALE WARNING GULF WATERS AT 5 PM AND FOR THE NEAR SHORE ATLC
WATERS BUT KEEP GALE WARNING GOING FOR ATLC WATERS 20-60 NM FROM THE
COAST 'TIL 15/06Z. SMALL CRAFT ADVISORIES WILL CONTINUE THE
REMAINING AREAS THROUGH 18Z TUESDAY THEN CONTINUED ONLY IN THE ATLC
WATERS 'TIL 12Z WED.

&&
.FIRE WEATHER...
CRITICAL FIRE WEATHER CONDITIONS ALL AREAS TUE WITH A RED FLAG
WARNING ALREADY IN EFFECT FOR ALL ZONES. A FIRE WEATHER WATCH
HAS ALSO BEEN ISSUED FOR WED ALL ZONES. A GRADUAL INCREASE IN DEW
POINTS/LOW LEVEL MOISTURE WILL BEGIN MID-WEEK.

&&
.CLIMATE...

                   TUESDAY 12/14          TUESDAY 12/14
CITIES              RECORD LOWS             MIN HIGHS
MIAMI                35 - 1962              59 - 1962
FORT LAUDERDALE      34 - 1962              63 - 1969
WEST PALM BEACH      33 - 1962              58 - 1962
NAPLES               29 - 1962              59 - 1982
MIAMI BEACH          39 - 1962              62 - 1962
IMMOKALEE            34 - 1988              66 - 1989
DEVILS GARDEN        23 - 1962              60 - 1962
MOORE HAVEN          25 - 1962              51 - 1962
LA BELLE             23 - 1962              59 - 1962
BELLE GLADES         30 - 1962              52 - 1962
CLEWISTON            30 - 1962              51 - 1962

                  WEDNESDAY 12/15
CITIES              RECORD LOWS
MIAMI                35 - 1944
FORT LAUDERDALE      33 - 1962
WEST PALM BEACH      36 - 1962
NAPLES               30 - 1944
MIAMI BEACH          42 - 1944
IMMOKALEE            40 - 1985
DEVILS GARDEN        36 - 1962
MOORE HAVEN          26 - 1962
LA BELLE             29 - 1962
BELLE GLADES         27 - 1944
CLEWISTON            36 - 1962

&&
.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  25  56  32  63 / -  -  -  -
FORT LAUDERDALE  33  59  39  66 / -  -  -  -
MIAMI            33  58  37  65 / -  -  -  -
NAPLES           33  53  31  59 / -  -  -  -

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...FREEZE WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING FOR
     COASTAL COLLIER-FAR SOUTH MIAMI DADE-INLAND BROWARD-INLAND
     COLLIER-INLAND MIAMI DADE-MAINLAND MONROE-METRO BROWARD-
     METRO MIAMI DADE-METRO PALM BEACH.

     FREEZE WARNING FROM 11 PM THIS EVENING TO 9 AM EST TUESDAY FOR
     COASTAL BROWARD-COASTAL COLLIER-COASTAL MIAMI DADE-COASTAL
     PALM BEACH-FAR SOUTH MIAMI DADE-INLAND BROWARD-INLAND
     COLLIER-INLAND MIAMI DADE-MAINLAND MONROE-METRO BROWARD-
     METRO MIAMI DADE.

     RED FLAG WARNING FROM TUESDAY MORNING THROUGH TUESDAY EVENING
     FOR COASTAL BROWARD-COASTAL COLLIER-COASTAL MIAMI DADE-COASTAL
     PALM BEACH-FAR SOUTH MIAMI DADE-GLADES-HENDRY-INLAND BROWARD
     -INLAND COLLIER-INLAND MIAMI DADE-INLAND PALM BEACH-MAINLAND
     MONROE-METRO BROWARD-METRO MIAMI DADE-METRO PALM BEACH.

     FIRE WEATHER WATCH FROM WEDNESDAY MORNING THROUGH WEDNESDAY
     EVENING FOR COASTAL BROWARD-COASTAL COLLIER-COASTAL MIAMI
     DADE-COASTAL PALM BEACH-FAR SOUTH MIAMI DADE-GLADES-HENDRY-
     INLAND BROWARD-INLAND COLLIER-INLAND MIAMI DADE-INLAND PALM
     PALM BEACH-MAINLAND MONROE-METRO BROWARD-METRO MIAMI DADE
     -METRO PALM BEACH.

     WIND CHILL WARNING FROM 7 PM THIS EVENING TO 10 AM EST TUESDAY
     FOR COASTAL BROWARD-COASTAL COLLIER-COASTAL MIAMI DADE-
     COASTAL PALM BEACH-FAR SOUTH MIAMI DADE-GLADES-HENDRY-
     INLAND BROWARD-INLAND COLLIER-INLAND MIAMI DADE-INLAND PALM
     BEACH-MAINLAND MONROE-METRO BROWARD-METRO MIAMI DADE-METRO
     PALM BEACH.

     HARD FREEZE WARNING FROM 11 PM THIS EVENING TO 9 AM EST TUESDAY
     FOR GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH.

     HARD FREEZE WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING      FOR GLADES-HENDRY-INLAND PALM BEACH.

AM...GALE WARNING UNTIL 1 AM EST TUESDAY FOR ATLANTIC COASTAL WATERS
     FROM JUPITER INLET TO OCEAN REEF, FL EXTENDING FROM 20 NM TO 60
     NM.

     SMALL CRAFT ADVISORY UNTIL 1 PM TUESDAY FOR LAKE OKEECHOBEE AND
     BISCAYNE BAY.

     SMALL CRAFT ADVISORY FROM 1 AM EST TUESDAY UNTIL 7 PM
     WEDNESDAY FOR ATLANTIC COASTAL WATERS FROM JUPITER INLET TO
     OCEAN REEF, FL EXTENDING FROM 20 NM TO 60 NM.

     SMALL CRAFT ADVISORY FROM 5 PM TODAY TO 7 AM EST WEDNESDAY
     FOR THE ATLANTIC COASTAL WATERS FROM DEERFIELD BEACH TO
     OCEAN REEF, FL EXTENDING OUT TO FROM 20 NM.

GM...GALE WARNING UNTIL 5 PM TODAY FOR ALL GULF COASTAL WATERS.

     SMALL CRAFT ADVISORY ALL GULF WATERS FROM 5 PM EST TODAY
     THROUGH 1 PM TUESDAY.

DISCUSSION/MARINE...15/JR
AVIATION/RADAR/FIRE...60/BD

HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
624 AM EST MON DEC 13 2010

FLZ063-066>075-168-172>174-140200-
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-
624 AM EST MON DEC 13 2010

...POWERFUL ARCTIC COLD FRONT TO BRING DANGEROUS WIND CHILLS OVERNIGHT...
...A SMALL CRAFT ADVISORY AND GALE WARNING IS IN EFFECT FOR THE LOCAL WATERS...
...FREEZING TEMPERATURES POSSIBLE FOR MOST OF THE AREA TUESDAY MORNING...
...HIGH THREAT FOR RIP CURRENTS GULF COAST BEACHES...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TODAY AND TONIGHT

RIP CURRENTS: WEST TO NORTHWEST WINDS WILL BE BETWEEN 20 TO 25 MPH
ALONG THE GULF COAST BEACHES TODAY, LEADING TO A HIGH RISK OF
RIP CURRENTS.

WIND: WINDS TODAY WILL BE FROM THE NORTHWEST AT 20 TO 30 MPH WITH
GUSTS IN EXCESS OF 40 MPH POSSIBLE MAINLY ACROSS THE COASTAL
WATERS OF COLLIER AND MAINLAND MONROE COUNTIES, INCLUDING ADJACENT
COASTAL AREAS IN NAPLES, LAKE OKEECHOBEE, BISCAYNE BAY, AND THE
ATLANTIC COASTAL WATERS FROM PALM BEACH TO MIAMI DADE COUNTIES.
COASTAL COMMUNITIES ALONG PALM BEACH TO MIAMI DADE COUNTIES COULD
ALSO EXPERIENCE CLOSE TO THIS CONDITIONS. ELSEWHERE, CLOSE TO BREEZY
CONDITIONS IS ALSO POSSIBLE.

TEMPERATURES: AS A COLD AIR MASS SPREADS ACROSS THE REGION TODAY
AND TONIGHT, AND WINDS ARE SLOW TO SUBSIDE OVERNIGHT, WIND CHILL
VALUES ARE FORECAST TO FALL BELOW 35 DEGREES DURING THE MID
EVENING HOURS ACROSS MUCH OF SOUTH FLORIDA. MINIMUM WIND CHILL
VALUES ARE FORECAST TO BOTTOM OUT IN THE 15 TO 25 DEGREE RANGE
ACROSS SOUTHERN FLORIDA OVERNIGHT WITH THE COLDEST READINGS IN
INLAND LOCATIONS. A HARD FREEZE IS LIKELY ACROSS GLADES, HENDRY,
AND INLAND PALM BEACH COUNTIES WITH A FREEZE LIKELY ELSEWHERE.

PERSONS ARE URGED TO DRESS WARMLY TONIGHT AND TO SEEK WARM
SHELTER. PERSONS ARE ALSO URGED TO BRING COLD SENSITIVE PLANTS AND
PETS INDOORS TONIGHT AND TO TAKE ANY OTHER NECESSARY ACTIONS TO
PROTECT THEIR CROPS.

WAVES: SEAS IN THE OUTER GULF WATERS WILL BUILD TO 14 TO 16 FEET
TODAY WITH SEAS NEARSHORE COLLIER COUNTY AS HIGH AS 8 TO 10 FEET
MAINLY BEYOND 5 NAUTICAL MILES FROM THE COAST. SEAS ACROSS THE
ATLANTIC AND WATERS WILL BE REACHING 8 TO 10 FEET MAINLY OFFSHORE
TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SUB-FREEZING TEMPERATURES WILL AGAIN BE POSSIBLE FOR MOST OF
INTERIOR MAINLAND SOUTH FLORIDA WEDNESDAY MORNING AGAIN. THEREFORE
A FREEZE WATCH IS IN EFFECT FOR THOSE PORTIONS OF SOUTH FLORIDA
FOR WEDNESDAY MORNING. TEMPERATURES WILL QUICKLY BOUNCE BACK TO
NEAR NORMAL LEVELS TOWARDS THE LATTER PART OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

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

PS