Possible Snow on Saturday in Central Florida

Here is the official forecast from the NWS and the wunderground.com 's depiction of it. More details tomorrow if this possibility still exists.

Wednesday Morning Lows

Here is a review of the low temperatures from the NWS:


PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1020 AM EST WED JAN 6 2010

...FREEZING TEMPERATURES OVER PARTS OF SOUTH FLORIDA THIS
MORNING...

LOW TEMPERATURES THIS MORNING FELL TO AT OR BELOW THE FREEZING MARK
OVER A LARGE PART OF MAINLAND SOUTH FLORIDA. AREAS AROUND LAKE
OKEECHOBEE, AREAS EAST OF I-75 IN COLLIER COUNTY, THE CENTRAL
EVERGLADES AND NORTHEASTERN PALM BEACH COUNTY ALL REACHED 32 DEGREES
OR LOWER. THE LOWEST OBSERVED READINGS WERE 26 DEGREES IN LABELLE...
HENDRY COUNTY, MUSE AND PALMDALE...BOTH IN GLADES COUNTY. WEST PALM
BEACH SET A NEW DAILY RECORD LOW WITH 34 DEGREES, BREAKING THE OLD
RECORD OF 37 SET IN 1967. NAPLES TIED THEIR DAILY RECORD LOW OF 35
PREVIOUSLY SET IN 1999 AND MIAMI TIED THEIR RECORD LOW OF 40
PREVIOUSLY SET BACK IN 1919.

HERE'S A SUMMARY OF LOW TEMPERATURES BY COUNTY:

GLADES AND HENDRY: LOWS IN THE MID 20S TO AROUND 32, EXCEPT EAST OF
CLEWISTON ALONG THE LAKE SHORE WHERE LOWS STAYED IN THE MID 30S.

COLLIER: LOWS IN THE MID 30S IN NAPLES AND MARCO ISLAND AS WELL AS
ALONG TAMIAMI TRAIL IN EASTERN COLLIER. EAST OF I-75 AND NORTH OF
TAMIAMI TRAIL, LOWS IN THE UPPER 20S TO LOWER 30S, MAINLY IN THE
GOLDEN GATE ESTATES AND IMMOKALEE AREAS. WIDESPREAD FROST WAS ALSO
REPORTED IN THESE COLDER LOCATIONS.

PALM BEACH: LOW OF 32 IN THE AREAS EAST OF BELLE GLADE, WITH UPPER
30S RIGHT ON THE LAKE SHORE IN PAHOKEE. OVER METRO PALM BEACH, LOWS
WERE IN THE MID 30S FROM WEST PALM BEACH SOUTH. NORTH OF WEST PALM
BEACH, TEMPERATURES DROPPED TO 31/32 DEGREES IN PALM BEACH GARDENS,
JUPITER, JUPITER FARMS AND LOXAHATCHEE.

BROWARD/MIAMI-DADE: LOWS IN THE MID TO UPPER 30S IN THE METRO AREAS,
EXCEPT RIGHT AT 32 DEGREES IN CORAL SPRINGS AND PARKLAND, 33 IN
WESTON, AND ISOLATED POCKETS OF FREEZING TEMPERATURES IN THE REDLAND
AND WESTERN AREAS OF HOMESTEAD IN SOUTH MIAMI-DADE COUNTY.

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2009 Weather Review

As usual, NWS Miami has put together the best review of south Florida's weather for 2009. It makes you realize how much oir weather varies.

Have a happy and SAFE New Year's Eve!

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
425 PM EST WED DEC 30 2009

..2009 SOUTH FLORIDA WEATHER SUMMARY...

...WARMER THAN NORMAL...

WARMER THAN NORMAL TEMPERATURES WERE OBSERVED ACROSS SOUTH FLORIDA
IN 2009. AFTER A COOL JANUARY AND FEBRUARY, MONTHLY AVERAGE
TEMPERATURES STAYED AT OR ABOVE NORMAL VALUES THROUGH THE REMAINDER
OF THE YEAR.

HERE ARE 2009 TEMPERATURE AVERAGES (DEGREES F) FOR SELECTED SITES
THROUGH DECEMBER 29 (7 AM DECEMBER 30 FOR MIAMI BEACH AND MOORE HAVEN):

LOCATION 2009 AVG TEMP DEPARTURE RANK

MIAMI INT'L 77.89 +1.2 3RD WARMEST
*FORT LAUDERDALE INT'L 77.49 +1.6 3RD WARMEST
PALM BEACH INT'L 75.89 +0.6 16TH WARMEST
NAPLES REGIONAL 75.38 +1.3 11TH WARMEST
MIAMI BEACH 76.36 +0.5 12TH WARMEST
MOORE HAVEN 73.97 +0.9 12TH WARMEST

* THE OFFICIAL FORT LAUDERDALE CLIMATE SITE WAS MOVED IN 2002 FROM
THE DIXIE WATER PLANT TO THE FORT LAUDERDALE/HOLLYWOOD INTERNATIONAL
AIRPORT. THE NEW SITE HAS SHOWN TO BE MUCH WARMER THAN THE OLD SITE.
THIS IS PROBABLY BECAUSE THE AIRPORT IS CLOSER TO THE ATLANTIC OCEAN
AND THE FACT THAT THERE IS MORE CONCRETE AND ASPHALT AT THE AIRPORT
SITE COMPARED TO THE DIXIE WATER PLANT SITE. *

A NOTABLE ASPECT REGARDING THE WARM TEMPERATURES IN 2009 WAS THE HIGH
NUMBER OF 90-PLUS DEGREE DAYS. MIAMI INTERNATIONAL AIRPORT REGISTERED
A TOTAL OF 121 DAYS OF TEMPERATURES REACHING THE 90-DEGREE MARK, THE
MOST RECORDED AT THAT SITE SINCE RECORDS BEGAN IN 1937. AT OTHER
SOUTHEAST FLORIDA SITES, THE NUMBER OF 90-PLUS DEGREE DAYS RANGED
FROM 83 AT FORT LAUDERDALE INTERNATIONAL TO 91 AT PALM BEACH
INTERNATIONAL TO AS HIGH AS 137 DAYS WELL INLAND AT WEST KENDALL
TAMIAMI AIRPORT. ON THE OTHER HAND, COASTAL LOCATIONS SUCH AS MIAMI
BEACH ONLY RECORDED 19 DAYS OF 90-PLUS DEGREE TEMPERATURES, NO DOUBT
INFLUENCED BY THE SLIGHTLY COOLER SUMMER SEA BREEZES. A SIMILAR
EFFECT OCCURRED ON THE SOUTHWEST GULF COAST, WHERE NAPLES REGIONAL
AIRPORT CLOSER TO THE COAST REGISTERED 108 DAYS OF 90-PLUS DEGREE
TEMPERATURES COMPARED TO 164 DAYS AT THE NAPLES COOPERATIVE SITE IN
GOLDEN GATE ABOUT 6 MILES INLAND. OVER INLAND LOCATIONS AND IN THE
LAKE OKEECHOBEE AREA, THE NUMBER OF 90-PLUS DEGREE DAYS INCLUDED 127
DAYS IN MOORE HAVEN (5TH HIGHEST ON RECORD), 133 DAYS IN LABELLE,
138 DAYS IN IMMOKALEE AND 169 DAYS IN DEVILS GARDEN IN CENTRAL
HENDRY COUNTY.

PRECIPITATION AMOUNTS VARIED WIDELY ACROSS THE REGION, WITH MOST OF
THE METRO AREAS ALONG THE SOUTHEAST AND LOWER SOUTHWEST FLORIDA
COASTS REGISTERING BELOW NORMAL RAINFALL AND MOST INTERIOR LOCATIONS
RECORDING ABOVE NORMAL RAINFALL. A VERY DRY WINTER AND SPRING LED TO
A VERY WET EARLY SUMMER, AND THEN FOLLOWED BY NEAR NORMAL TO BELOW
NORMAL RAINFALL RIGHT UP TO THE LAST HALF OF DECEMBER WHEN VERY HEAVY
RAINFALL AFFECTED MUCH OF THE AREA (SEE BELOW FOR FURTHER DETAILS).

HERE ARE 2009 RAINFALL TOTALS AND DEPARTURES FROM NORMAL FROM AROUND
THE AREA (IN INCHES) THROUGH 7 AM DECEMBER 30:

LOCATION 2009 PRECIP DEPARTURE RANK

MIAMI INT'L 52.90 -6.32 38TH DRIEST
PALM BEACH INT'L 59.06 -2.13 52ND DRIEST
FORT LAUDERDALE INT'L 45.80* -18.23
NAPLES REGIONAL 33.91* -17.89 3RD DRIEST
HOLLYWOOD WATER PLANT 68.71 +7.26
MIAMI BEACH 62.12 +15.52 9TH WETTEST
THE REDLAND (SOUTH DADE) 61.37 -0.19
MOORE HAVEN 50.53 +4.09 34TH WETTEST
NWS MIAMI (FIU SWEETWATER) 57.56
CLEWISTON 56.12 +10.72
HOMESTEAD 53.93 -4.90
MARCO ISLAND 51.84
ORTONA 51.02
BRIGHTON RESERVATION 50.01

* NAPLES COOPERATIVE SITE AT GOLDEN GATE AQUATIC COMPLEX MEASURED
56.78 INCHES AND FORT LAUDERDALE COOPERATIVE SITE AT DIXIE WATER PLANT
MEASURED 64.16 INCHES. *

PERHAPS MOST NOTEWORTHY IN 2009 IS WHAT DIDN'T HAPPEN WEATHER-WISE.
NO TROPICAL CYCLONES AFFECTED SOUTH FLORIDA IN 2009, MIRRORING THE
TREND OF BELOW NORMAL ACTIVITY IN THE TROPICAL ATLANTIC.

NEVERTHELESS, THERE WERE A NUMBER OF SIGNIFICANT WEATHER EVENTS IN
SOUTH FLORIDA DURING 2009 WHICH ARE INCLUDED IN THE SEASONAL
BREAKDOWN BELOW.

JANUARY-APRIL:

THE DRIEST WINTER ON RECORD (DECEMBER-FEBRUARY) WAS SET AT MIAMI AND
FORT LAUDERDALE, WHERE RAINFALL AMOUNTS DURING THE THREE-MONTH
PERIOD WERE 0.74 AND 0.39 INCHES, RESPECTIVELY. WEST PALM BEACH,
NAPLES AND MIAMI BEACH RECORDED THEIR SECOND DRIEST WINTER ON
RECORD. WEST PALM BEACH SET INDIVIDUAL MONTHLY DRIEST RECORDS IN
JANUARY AND FEBRUARY WHEN A COMBINED TOTAL OF ONLY .25 INCHES FELL.

MARCH AND APRIL CONTINUED THE VERY DRY TREND, HOWEVER NO RECORDS
WERE SET AS THE AREA RECEIVED SLIGHTLY HIGHER RAINFALL AMOUNTS
COMPARED TO THE BONE-DRY WINTER MONTHS. THE SIX-MONTH PERIOD FROM
NOVEMBER 2008 THROUGH APRIL 2009 RANKED AS THE SECOND DRIEST PERIOD
ON RECORD OVER MOST OF SOUTH FLORIDA. AS A RESULT, SEVERE TO EXTREME
DROUGHT CONDITIONS PREVAILED OVER SOUTH FLORIDA FROM LATE FEBRUARY
THROUGH APRIL. THE VERY DRY GROUND CONTRIBUTED TO A NUMBER OF
WILDFIRES ACROSS THE AREA, MOST NOTABLY A VERY LARGE WILDFIRE IN THE
BIG CYPRESS NATIONAL PRESERVE IN COLLIER COUNTY WHICH BURNED OVER
30,000 ACRES FROM LATE APRIL THROUGH EARLY MAY.

TEMPERATURES WERE COOLER THAN NORMAL DURING JANUARY AND FEBRUARY,
BOUNCING BACK TO NEAR NORMAL IN MARCH AND ABOVE NORMAL IN APRIL. TWO
SIGNIFICANT FREEZES AFFECTED SOUTH FLORIDA: ONE ON JANUARY 21ST AND
22ND AND THE OTHER ON FEBRUARY 5TH. THE COLDEST TEMPERATURES IN 6
YEARS WERE EXPERIENCED IN MANY AREAS OF SOUTH FLORIDA FROM BOTH COLD
OUTBREAKS. FREEZING TEMPERATURES OCCURRED AS FAR SOUTH AS THE
AGRICULTURAL AREAS OF SOUTHEAST FLORIDA ON JANUARY 22ND AND ALL THE
WAY INTO METRO AREAS OF PALM BEACH AND BROWARD COUNTIES AS WELL AS
COASTAL SECTIONS OF COLLIER COUNTY ON FEBRUARY 5TH. LOWEST
TEMPERATURES RECORDED DURING BOTH EVENTS WERE 22 DEGREES IN PALMDALE
(GLADES COUNTY), WITH READINGS IN THE MID AND UPPER 20S OVER LARGE
PORTIONS OF THE INTERIOR SOUTHERN FLORIDA PENINSULA. HEAVY FROST ON
JANUARY 22ND LED TO SEVERE CROP DAMAGE IN SOUTHWEST FLORIDA AND
AROUND LAKE OKEECHOBEE. DAMAGE ESTIMATES TO CROPS WAS IN THE $60
MILLION RANGE. THE COLDEST TEMPERATURES OF THE YEAR FOR THE
PRIMARY WEATHER STATIONS WERE:

NAPLES: 33 (JAN 22)
WEST PALM BEACH: 33 (FEB 5)
FORT LAUDERDALE: 37 (FEB 5)
MIAMI: 38 (FEB 5)

MAY-SEPTEMBER:

THE SPRING'S SEVERE TO EXTREME DROUGHT CONDITIONS PERSISTED INTO THE
FIRST HALF OF MAY. FORTUNATELY, THE RAINY SEASON BEGAN EARLY, ON MAY
11, AND WAS NOTED FOR VERY WET CONDITIONS OVER ALL BUT THE WESTERN
SECTIONS OF COLLIER COUNTY. THESE CONDITIONS LASTED THROUGH THE END
OF MAY AND MOST OF JUNE. THE VERY WET START TO THE RAINY SEASON PUT
AN END TO THE DROUGHT BY THE LAST WEEK OF MAY. THIS REVERSAL FROM
VERY DRY TO VERY WET CONDITIONS OVER THE COURSE OF A COUPLE OF WEEKS
IS BEST ILLUSTRATED BY WEST PALM BEACH GOING FROM THEIR SECOND
DRIEST DRY SEASON ON RECORD TO THEIR SECOND WETTEST MAY ON RECORD.
IN FACT, WEST PALM BEACH'S ENTIRE MAY RAINFALL OF 15.69 INCHES FELL
BETWEEN MAY 18TH AND MAY 31ST! OTHER LOCATIONS RECEIVED RAINFALL
AMOUNTS OF 8 TO 12 INCHES IN MAY, EXCEPT NAPLES WHICH REMAINED BELOW
NORMAL AT 3.92 INCHES. THE PRIMARY CAUSE FOR THE REVERSAL FROM DRY
TO WET WAS A PERSISTENT MID TO UPPER LEVEL LOW PRESSURE TROUGH WHICH
SET UP OVER THE GULF OF MEXICO AND PROVIDED MOISTURE AND ATMOSPHERIC
INSTABILITY TO THE REGION.

THIS MOSTLY WET PATTERN PREVAILED THROUGH JUNE AND INTO MUCH OF
JULY. AS A RESULT, ABOVE NORMAL RAINFALL CONTINUED THROUGH THE FIRST
HALF OF THE RAINY SEASON, PRIMARILY OVER INTERIOR AND EASTERN
SECTIONS OF SOUTH FLORIDA. ON THE AFTERNOON OF JUNE 5TH, A SUPERCELL
THUNDERSTORM REMAINED NEARLY STATIONARY OVER DOWNTOWN MIAMI AND
MIAMI BEACH. THE STORM DROPPED A TOTAL OF 9.3 INCHES OF RAIN IN
MIAMI BEACH IN LESS THAN 3 HOURS ALONG WITH GOLF BALL SIZED HAIL.
THE RESULT WAS SEVERE FLOODING IN PORTIONS OF MIAMI BEACH. AREAS ALONG
THE IMMEDIATE GULF COAST, PARTICULARLY THE CITY OF NAPLES, WERE THE
EXCEPTION TO THE RULE AS THEY REMAINED DRIER THAN NORMAL DUE TO
WESTERLY WINDS KEEPING MOST OF THE THUNDERSTORMS INLAND.

DURING AUGUST AND SEPTEMBER, THE PATTERN SHIFTED TO HIGH PRESSURE
OVER THE WESTERN ATLANTIC AND THE SOUTHEAST UNITED STATES WHICH
BROUGHT MOSTLY EASTERLY WINDS TO SOUTH FLORIDA. THE SHIFT IN WIND
DIRECTION STEERED MOST OF THE DAILY SHOWERS AND THUNDERSTORMS
TOWARDS THE WEST, RESULTING IN MUCH NEEDED ABOVE NORMAL RAINFALL
VALUES FOR WESTERN SECTIONS OF MAINLAND SOUTH FLORIDA.

TEMPERATURES WERE ABOVE NORMAL THROUGH THE MAY- SEPTEMBER PERIOD. A
HISTORIC HEAT WAVE OCCURRED ON JUNE 21ST AND 22ND. TEMPERATURES
SOARED INTO THE UPPER 90S TO 100 DEGREES OVER INTERIOR AND EASTERN
SECTIONS OF SOUTH FLORIDA. AN ALL-TIME RECORDED HIGH OF 100 DEGREES
WAS TIED AT FORT LAUDERDALE ON JUNE 22ND. MIAMI TIED THEIR MONTHLY
RECORD WITH A HIGH OF 98 DEGREES ON THE SAME DAY. THE VERY HOT
TEMPERATURES OF JUNE 22 WERE FOLLOWED BY SEVERE THUNDERSTORMS WHICH
POUNDED SOUTH FLORIDA DURING MUCH OF THE DAY ON JUNE 23RD. THE
THUNDERSTORMS OF JUNE 23RD RESULTED IN 4 INJURIES AND THOUSANDS OF
DOLLARS IN DAMAGE FROM LIGHTNING AND STRONG WINDS.

THE HOTTEST TEMPERATURES OF THE YEAR FOR THE PRIMARY WEATHER
STATIONS WERE:

FORT LAUDERDALE: 100 (JUNE 22)
MIAMI: 98 (JUNE 22)
WEST PALM BEACH: 96 (JUNE 21 AND JUNE 22)
NAPLES: 95 (JULY 11 AND AUGUST 17)

OCTOBER-DECEMBER:

STRONG HIGH PRESSURE OVER CENTRAL FLORIDA CAUSED UNSEASONABLY HOT
AND DRY WEATHER OVER ALL OF SOUTH FLORIDA DURING MOST OF OCTOBER.
MIAMI ESTABLISHED ITS HOTTEST OCTOBER ON RECORD WITH AN AVERAGE
MONTHLY TEMPERATURE OF 82.4 DEGREES. THE TEMPERATURE IN MIAMI
REACHED OR EXCEEDED 90 DEGREES ON 13 CONSECUTIVE DAYS FROM OCTOBER 5
TO OCTOBER 17, SETTING A RECORD FOR MOST NUMBER OF CONSECUTIVE
90-PLUS DEGREE DAYS IN OCTOBER. LABELLE AND MOORE HAVEN TIED THEIR
RECORD OF CONSECUTIVE 90-PLUS DEGREE DAYS WITH 15 AND 12 DAYS,
RESPECTIVELY. THE HEAT REACHED ITS PEAK ON OCTOBER 6 AND 7 WHEN
TEMPERATURES SOARED INTO THE MID TO UPPER 90S. CLEWISTON AND OCHOPEE
HIT 98 DEGREES, WHICH FOR CLEWISTON IS A RECORD FOR THE MONTH OF
OCTOBER. AN UNSEASONABLY STRONG COLD FRONT SWEPT THROUGH SOUTH
FLORIDA ON OCTOBER 17TH, PUTTING AN ABRUPT BUT TEMPORARY END TO THE
HEAT. LOWS DROPPED INTO THE 40S AND 50S; AND HIGHS ON OCTOBER 18TH
WERE AS MUCH AS 20 DEGREES LOWER THAN THE PREVIOUS DAY'S HIGHS.
RECORD LOW TEMPERATURE READINGS WERE SET AT ALL FOUR PRIMARY SOUTH
FLORIDA SITES.

THIS FRONT ALSO BROUGHT AN END TO THE SOUTH FLORIDA RAINY SEASON.
FORT LAUDERDALE SET A RECORD FOR THEIR DRIEST OCTOBER ON RECORD WITH
A TOTAL OF ONLY 0.73 INCHES OF RAIN. OVERALL, THE 2009 RAINY SEASON
WAS NEAR TO ABOVE NORMAL, WITH THE EXCEPTION OF PORTIONS OF THE
SOUTHWEST GULF COAST AND SOUTHEAST METRO AREAS WHICH WERE RELATIVELY
DRY.

THE WARM TEMPERATURES CONTINUED IN NOVEMBER AND DECEMBER WITH FEW
INTERRUPTIONS. TEMPERATURES SOARED INTO THE UPPER 80S TO NEAR 90 ON
DECEMBER 3RD AHEAD OF A COLD FRONT AND AGAIN ON DECEMBER 9TH AND
10TH. WEST PALM BEACH (90 DEGREES ON DEC 9) AND MIAMI (89 DEGREES ON
DEC 10) TIED THEIR ALL-TIME RECORDED DECEMBER HIGHS.

RAINFALL DURING THE LAST 2 MONTHS OF THE YEAR WAS NEAR TO BELOW
NORMAL ACROSS SOUTH FLORIDA UNTIL MID-DECEMBER WHEN A SERIES OF WEAK
FRONTAL SYSTEMS BROUGHT COPIOUS AMOUNTS OF RAIN TO MUCH OF THE AREA.
ON THE NIGHT OF DECEMBER 17TH AND EARLY MORNING OF DECEMBER 18TH, A
RETREATING WARM FRONT HELPED TO PRODUCE EXTREME RAINFALL AMOUNTS
OVER PARTS OF BROWARD AND MIAMI-DADE COUNTIES. RAINFALL AMOUNTS OF
10-15 INCHES WERE EITHER MEASURED OR ESTIMATED OVER SOUTHEAST
BROWARD AND NORTHEAST MIAMI-DADE COUNTIES, CAUSING SEVERE FLOODING
TO SCORES OF HOMES AND BUSINESSES.

2009 SEVERE WEATHER STATISTICS:

A TOTAL OF 8 PEOPLE DIED AS A RESULT OF WEATHER RELATED HAZARDS IN
MAINLAND SOUTH FLORIDA IN 2009. RIP CURRENTS ONCE AGAIN LED THE LIST
WITH 5 DEATHS DIRECTLY ATTRIBUTED TO THE "FAIR WEATHER KILLER".
LIGHTNING STRIKES CLAIMED 2 LIVES; AND ONE DEATH WAS ATTRIBUTED TO
COLD EXPOSURE IN POMPANO BEACH ON FEBRUARY 5TH. A TOTAL OF 14
WEATHER RELATED INJURIES WERE NOTED: 8 FROM RIP CURRENTS, 5 FROM
LIGHTNING AND ONE FROM THUNDERSTORM WINDS. ONLY FOUR TORNADOES WERE
CONFIRMED OVER MAINLAND SOUTH FLORIDA, THE LOWEST YEARLY TOTAL SINCE
2006. MONETARY DAMAGE AMOUNTS AS A RESULT OF WEATHER HAZARDS IS
ESTIMATED AT $62 MILLION, MOST OF IT COMING FROM CROP DAMAGE DURING
THE FREEZES OF JANUARY AND FEBRUARY.

2010 OUTLOOK:

WITH EL NIO EXPECTED TO REMAIN IN PLACE THROUGH THE SPRING, THE
CLIMATE PREDICTION CENTER'S OUTLOOK THROUGH APRIL CALLS FOR AN
ENHANCED LIKELIHOOD OF BELOW NORMAL TEMPERATURES AS WELL AS ABOVE
NORMAL PRECIPITATION. NEAR NORMAL TEMPERATURES AND PRECIPITATION IS
POSSIBLE DURING MAY, FOLLOWED BY THE POSSIBILITY OF ABOVE NORMAL
TEMPERATURES AND ABOVE NORMAL PRECIPITATION FOR PARTS OF THE SUMMER
AND EARLY FALL (PLEASE NOTE THAT THE OUTLOOKS AT LONGER RANGES ARE
PRONE TO LARGE ERRORS).

FOR THE LATEST WEATHER FORECASTS AND ALERTS, PLEASE VISIT THE
NATIONAL WEATHER SERVICE MIAMI/SOUTH FLORIDA WEB SITE AT
WEATHER.GOV/SOUTHFLORIDA.

HAVE A SAFE AND HAPPY NEW YEAR!



MOLLEDA

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Flash Flood Warning Until 1:30AM

Very busy night on the radar, many indications this afternoon and evening of waterspouts and flooding rains. Latest warning is outlined in orange above.

Miami Radar Out of Service

From the NWS:

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
340 PM EDT THU SEP 10 2009

...LIGHTNING STRIKE DAMAGE REQUIRES REPLACEMENT PARTS FOR MIAMI
DOPPLER RADAR...

A LIGHTNING STRIKE ASSOCIATED WITH A STRONG THUNDERSTORM THAT MOVED
THROUGH SOUTHWEST MIAMI-DADE COUNTY AROUND 1145 PM EDT WEDNESDAY
NIGHT SEPTEMBER 9 CAUSED SOME ELECTRONIC CIRCUIT DAMAGE TO THE
NATIONAL WEATHER SERVICE DOPPLER RADAR IN MIAMI. NATIONAL WEATHER
SERVICE ELECTRONICS PERSONNEL HAVE ORDERED REPLACEMENT PARTS WHICH
SHOULD BE AVAILABLE BY NOON FRIDAY SEPTEMBER 11. ONCE THE PARTS COME
IN AND ARE INSTALLED THE RADAR SHOULD BE BACK IN OPERATION SOMETIME
FRIDAY AFTERNOON.

RADAR COVERAGE OF MAINLAND SOUTH FLORIDA AND THE ADJACENT COASTAL
WATERS WILL NOT BE INTERRUPTED AS NATIONAL WEATHER SERVICE DOPPLER
RADARS AT KEY WEST, MELBOURNE, AND TAMPA BAY WILL BE AVAILABLE ALONG
WITH FEDERAL AVIATION ADMINISTRATION LOCAL AIRPORT RADARS AT PALM
BEACH INTERNATIONAL, FORT LAUDERDALE HOLLYWOOD INTERNATIONAL, AND
MIAMI INTERNATIONAL AIRPORTS.

FURTHER UPDATES WILL BE ISSUED AS INFORMATION BECOMES AVAILABLE.

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Next Storm May Form Shortly

From the NHC this morning:

SATELLITE IMAGERY INDICATES THAT THE AREA OF DISTURBED WEATHER
CENTERED ABOUT 470 MILES EAST OF NASSAU IN THE BAHAMAS IS
DEVELOPING A WELL-DEFINED CIRCULATION. THE SYSTEM COULD DEVELOP
INTO A TROPICAL DEPRESSION...OR MORE LIKELY A TROPICAL STORM...AT
ANY TIME AS IT MOVES WEST-NORTHWESTWARD AT ABOUT 15 MPH...AND IF
CURRENT TRENDS CONTINUE ADVISORIES WILL BE INITIATED LATER TODAY.
THERE IS A HIGH CHANCE...GREATER THAN 50 PERCENT...OF TROPICAL
CYCLONE FORMATION DURING THE NEXT 48 HOURS. INTERESTS IN THE
BAHAMAS SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. A NOAA
HURRICANE HUNTER AIRCRAFT IS CURRENTLY ENROUTE TO INVESTIGATE THIS
SYSTEM.

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Ana and TD3

Real quick post to note that south Florida is now in the official 5 day cone for tropical storm Ana. If it were to impact our area we are looking at the late Wednesday into Thursday.

The NHC will be initiating advisories on TD3 at 11am this morning.

I will have more details later today.

Miami Radar is Now Up

Just a quick note, Miami radar is back in operation after having its panels replaced on the dome. Also it looks as if the FLL and PBI radars are now reporting as well. You can find these on www.wunderground.com

And the tropics...are quiet.
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Severe Thunderstorm Watch

Watch is in effect until 3PM for the following Florida counties:

BROWARD CHARLOTTE CITRUS
COLLIER DESOTO GLADES
HARDEE HENDRY HERNANDO
HIGHLANDS HILLSBOROUGH LEE
LEVY MANATEE MIAMI-DADE
MONROE OKEECHOBEE PALM BEACH
PASCO PINELLAS POLK
SARASOTA SUMTER

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Hottest Day in Southeast Florida

Here is a Public Information Statement from the NWS in Miami reviewing today's high temperatures and a glimpse back at the history of the hottest day previously.

PUBLIC INFORMATION STATEMENT  
..UPDATED 

NATIONAL WEATHER SERVICE MIAMI FL 
458 PM EDT MON JUN 22 2009 
  
..ALL TIME RECORD HIGH TEMPERATURE TIED AT FORT LAUDERDALE 
  
..DAILY RECORDS FALL AT WEST PALM BEACH AND MIAMI 

ACTUAL TEMPERATURES NEAR 100 DEGREES FAHRENHEIT HAVE ONLY OCCURRED A  
FEW TIMES ACROSS MAINLAND SOUTH FLORIDA THROUGH THE PERIOD OF  
METEOROLOGICAL RECORD OF ABOUT 100 YEARS.  NORMALLY, ONSHORE  
SEABREEZES KEEP TEMPERATURES WELL BELOW 100 DEGREES NEAR THE HEAVILY  
POPULATED COASTAL AREAS OF MIAMI-DADE, BROWARD, PALM BEACH, MAINLAND  
MONROE, AND COLLIER COUNTIES. 

HOWEVER, TODAY, MONDAY, JUNE 22, 2009, A PERSISTENT STRONG WESTERLY  
WIND FLOW KEPT SEA BREEZES FROM DEVELOPING ALONG THE METRO ATLANTIC  
COAST.  THIS ALONG WITH STRONG HIGH PRESSURE ALOFT ALLOWED ACTUAL  
TEMPERATURES TO SOAR NEAR 100 DEGREES IN METRO MIAMI-DADE, BROWARD  
AND PALM BEACH COUNTIES, RESULTING IN NUMEROUS RECORD TEMPERATURES. 

CITY/CLIMATE SITE OLD RECORD AND DATE     NEW RECORD SET JUNE 22 2009 
--------------------------------------------------------------------- 
MIAMI INTL AP     94  1998 AND 1992       98  NEW DAILY RECORD 

FT LAUDERDALE/ 
HOLLYWOOD INTL   96  1956                100 NEW DAILY RECORD 

                 98  JUNE 21 2009        100 NEW MONTHLY RECORD 

                100  AUG 4 1944 
                     JUL 21 1942         100 /TIED/ ALL TIME RECORD 

PALM BEACH INTL   95  2004 AND 1992       96  NEW DAILY RECORD 

TEMPERATURE RECORDS EXTEND BACK TO 1895 AT MIAMI, TO 1912 AT FORT  
LAUDERDALE, AND TO 1888 FOR THE WEST PALM BEACH AREA. 

NOTE...THE FORT LAUDERDALE RECORD OF 100 DEGREES ON AUGUST 4 1944 IS  
SOMEWHAT DUBIOUS BECAUSE OF INSTRUMENT EXPOSURE AND BECAUSE ALMOST  
NO OTHER SOUTH FLORIDA REPORTING STATION REACHED 100 DEGREES ON THAT  
DATE. HOWEVER, THERE IS NO DOUBT THAT MANY SOUTH FLORIDA LOCATIONS  
REACHED 100 DEGREES ON JULY 21 1942, EVEN THOUGH THE RECORD FOR FORT  
LAUDERDALE FOR THAT MONTH IS INCOMPLETE. 

THE FORT LAUDERDALE HOLLYWOOD INTERNATIONAL AIRPORT TEMPERATURE  
ACTUALLY TOUCHED 101 DEGREES FOR A FEW SECONDS JUST AFTER 4 PM EDT  
BUT DID NOT HOLD IT LONG ENOUGH TO BE CONSIDERED THE MAXIMUM  
TEMPERATURE FOR THE DAY. 

THE DATE OF JULY 21 1942 IS LIKELY THE PREVIOUS HOTTEST DAY EVER FOR  
MAINLAND SOUTH FLORIDA, AS MANY LOCATIONS REACHED OR EXCEEDED 100  
DEGREES. THE FOLLOWING IS A LIST OF REPORTED MAXIMUM TEMPERATURES  
FOR MAINLAND SOUTH FLORIDA ON THAT DATE... 

JULY 21 1942 MAX TEMPS 

FORT LAUDERDALE 100 EST 
FORTY MILE BEND  99 
HIALEAH         100 
HOMESTEAD       100 
HYPOLUXO         98 
LOXAHATCHEE     101 
MIAMI BEACH      98 
MIAMI INTL AP   100 
MOORE HAVEN     100 
NAPLES           96 
POMPANO BEACH   100 
WEST PALM BEACH 101 

All Time High Tied

RECORD HIGH TEMPERATURE SET AT FORT LAUDERDALE...

A RECORD HIGH TEMPERATURE OF 100 DEGREES WAS SET AT FORT LAUDERDALE
TODAY. THIS BREAKS THE OLD DAILY HIGH RECORD OF 96 SET IN 1956. THIS
ALSO TIES THE ALL TIME RECORD HIGH TEMP LAST REACHED AUG 4, 1944.

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Weather Watch Possible this Afternoon

The atmosphere is starting to destabilize and we could start seeing some showers/thunderstorms developing north of us and then moving towards the south or southwest. The SPC has issued a discussion and there is a possibility that a severe thunderstorm watch may be needed this afternoon. This is due to our high temperatures and a trough that is starting to dig into the area.

If a watch is issued I will put it out over Twitter along with further updates.

12 Noon Observations

Here are the latest observations from the area. Ft. Lauderdale and Pompano have the highest heat index at 105F. The breeze outside is helping it feel just a bit more tolerable out there. No record highs yet...

SOUTHEAST FLORIDA  
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS 
W PALM BEACH   PTSUNNY   90  78  68 NW15G21   29.79S HX 104            
FT LAUDER-EXEC MOSUNNY   92  75  57 W17       29.80F HX 103            
FT LAUDERDALE  MOSUNNY   94  75  54 W13       29.80F HX 105            
POMPANO BEACH  PTSUNNY   92  77  61 NW17      29.80F HX 105            
PEMBROKE PINES MOSUNNY   92  75  57 W15       29.83S HX 103            
OPA LOCKA      MOSUNNY   92  75  57 W14       29.82F HX 103            
MIAMI          MOSUNNY   90  74  59 W12       29.82F HX  99            
VIRGINIA KEY   NOT AVBL                                                
WEST KENDALL   PTSUNNY   91  76  61 MISG      29.83S HX 103            
HOMESTEAD      MOSUNNY   90  77  66 NW15      29.83F HX 102            
FLAMINGO         N/A     90  77  66 W9G17       N/A  HX 103            
EVERGLADES CIT   N/A     88  75  66 W15G24    29.83F HX  97            
 

Monthly Record High Broken Yesterday

Not only was that a daily record high broken yesterday but also a monthly high in June for Ft. Lauderdale.

RECORD EVENT REPORT...CORRECTED TO INCLUDE MONTHLY RECORD
NATIONAL WEATHER SERVICE MIAMI, FL
920 AM EDT MON JUN 22 2009

...RECORD MONTHLY HIGH TEMPERATURE SET AT FORT LAUDERDALE...

A RECORD HIGH TEMPERATURE OF 98 DEGREES WAS SET AT FORT LAUDERDALE
YESTERDAY. THIS BREAKS THE OLD DAILY HIGH RECORD OF 94 SET IN 1956.
THIS ALSO BREAKS THE PREVIOUS JUNE HIGH RECORD OF 97 LAST SET ON
JUNE 2, 1998.

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Heat Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
358 AM EDT MON JUN 22 2009

...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT
THIS EVENING.

A HOT DOME OF HIGH PRESSURE WILL MOVE SOUTH AND BE OVERHEAD
MAINLAND SOUTH FLORIDA THIS AFTERNOON. THIS WILL LEAD TO VERY HOT
TEMPERATURES IN THE UPPER 90S TO AROUND 100 THIS AFTERNOON. HEAT
INDEX READINGS...OR HOW IT ACTUALLY FEELS TO YOUR BODY WHEN
FACTORING IN THE HIGH HUMIDITY...WILL REACH 105 TO 110 DEGREES
THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE
POSSIBLE. HEAT EXHAUSTION AND HEAT CRAMPS BECOME LIKELY AS HEAT
INDICES REACH 105 DEGREES OR HIGHER...AND HEAT STROKE IS POSSIBLE
WITH PROLONGED EXPOSURE OR PHYSICAL ACTIVITY. IT IS ADVISED TO
LIMIT OUTDOOR ACTIVITIES THIS AFTERNOON. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE
SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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One More Day of Heat

Records were broken today with the high temperatures in Ft. Lauderdale (98F), West Palm Beach (96F) and Miami(96F). Conditions are setting up to possibly challenge the all-time record high at these stations tomorrow, 100F in Ft. Lauderdale and 101F in West Palm Beach. The heat index tomorrow will easily be in the range of 105F to 110F. Caution must be used with these temperature so please drink plenty of water and be aware of your exposure to the heat.

Showers and thunderstorms have been limited the past week but there is an impulse of energy from a trough to our north that could affect the area tomorrow afternoon. This system combined with the heat could generate some strong to severe storms. The SPC has placed us in a slight risk for severe weather.

I will update the blog and the Twitter tomorrow as conditions warrant. And by the way, the tropics remain quiet around the Atlantic basin.

Record Highs Today

Miami, West Palm Beach and Ft. Lauderdale all broke record highs today. Here is the report for FLL:

RECORD HIGH TEMPERATURE WAS SET AT FORT LAUDERDALE...

A RECORD HIGH TEMPERATURE OF 98 DEGREES WAS SET AT FORT LAUDERDALE TODAY.
THIS BREAKS THE OLD RECORD OF 94 SET IN 1956.

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Morning Atmosphere Parameters

Here are this morning's storm atmosphere parameters for Miami along with comments from NWS Miami:

12Z MIA SOUNDING (06/15/09) EQUIL LEVEL 50935, CAPE 4048, PWAT 1.69,
500 MB TEMP -6.6C, LI INDEX -7.45, HGT OF WET BULB 12389, FRZ LEVEL
14772. THERE IS A HIGH IN CHANCE OF SEEING WET MICROBURST WITH WINDS
BETWEEN 30 TO 50 KNOTS WITH THE ST ORMS, AND SMALL HAIL UP TO DIME
SIZE MAINLY OVER THE INTERIOR AND EAST COAST METRO AREAS
TODAY.

The elements exist for some potentially strong to severe storms.

More updates as conditions develop.
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Good Possibilty of More Strong Storms Today

Here are this morning's upper air parameters. Could be an interesting afternoon:

MIA SOUNDING 12Z (06/09/09) EQUIL LEVEL 44877, CAPE 4202, PWAT 1.73,
500 MB TEMP -8.3C, LI INDEX -8.21, HGT OF WET BULB 13101, FRZ LEVEL
15314, AND THE LAPSE RA TE 7.89. THERE IS A CHANCE OF SEEING WIND
GUSTS UP TO 80 KNOTS TODAY, ALONG WITH HAIL UP TO QUARTER SIZE WITH
THE STRONGEST STORMS MAINLY OVER THE SOUTHEAST ARE AS OF SOUTH
FLORIDA.

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Sever Storms Possible Today

Conditions remain ripe for morew thunderstorms and the potential for severe weather. CAPE is above 3600 which is high enough to support good confidence for some interesting weather.

The latest HWO highlights are:

...NUMEROUS THUNDERSTORMS THROUGH THIS EVENING...
...FREQUENT LIGHTNING/LOCALLY HEAVY RAINFALL/GUSTY WINDS POSSIBLE...
...ISOLATED RISK OF SMALL TORNADOES EAST METRO AND COASTAL AREAS...
...WATERSPOUTS POSSIBLE ACROSS ATLANTIC WATERS TODAY...

The SPC has placed our area in a slight risk of severe weather.

I will post more as conditions warrant.
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