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Hurricane Season - 2010


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It looks like we are off the hook from Matthew.... but it could make it to the Gulf and ravage Texas.... NHC cannot tell right now what's going to happen.

Lisa's dying a slow death.

But it "ain't over yet".... Next one would be Nichole, and as we all know, the hurricane opera ain't over until a fat lady sings.... [:P]

[H]

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Well..... It's TD-16 and will likely be Nichole shortly.....

WTNT41 KNHC 281458
TCDAT1
TROPICAL DEPRESSION SIXTEEN DISCUSSION NUMBER 1
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL162010
1100 AM EDT TUE SEP 28 2010

SURFACE OBSERVATIONS AND SATELLITE IMAGES INDICATE THAT THE LOW
PRESSURE AREA OVER THE NORTHWESTERN CARIBBEAN SEA HAS ACQUIRED A
SUFFICIENTLY WELL-DEFINED CENTER OF CIRCULATION AND ORGANIZED DEEP
CONVECTION TO BE CLASSIFIED AS A TROPICAL CYCLONE. THE SURFACE
DATA INDICATE THAT THE SYSTEM IS VERY CLOSE TO TROPICAL STORM
INTENSITY. SOUTH-SOUTHWESTERLY VERTICAL SHEAR ASSOCIATED WITH A
LARGE UPPER-LEVEL TROUGH MOVING INTO THE SOUTHEASTERN UNITED STATES
SHOULD LIMIT INTENSIFICATION AS THE SYSTEM MOVES ACROSS CUBA AND
TOWARD SOUTHEASTERN FLORIDA. THE OFFICIAL INTENSITY FORECAST IS
SIMILAR TO THE STATISTICAL/DYNAMICAL LGEM GUIDANCE. BY 48
HOURS...DYNAMICAL GUIDANCE SHOWS THE CYCLONE MERGING WITH A FRONTAL
ZONE. DISSIPATION SHOULD OCCUR IN 72 HOURS OR SOONER AS THE MODELS
DEPICT A NEW BAROCLINIC DEVELOPMENT NEAR THE CAROLINAS.

INITIAL MOTION IS ABOUT 020/9. THE CYCLONE IS EXPECTED TO CONTINUE
A GENERALLY NORTH-NORTHEASTWARD MOTION AHEAD OF THE AFOREMENTIONED
MID- TO UPPER-LEVEL TROUGH...AND WEST OF A SUBTROPICAL ANTICYCLONE.
THE OFFICIAL TRACK FORECAST IS NEAR THE WESTERN SIDE OF THE MODEL
ENVELOPE.

IT SHOULD BE NOTED THAT THE STRONGEST WINDS AND HEAVIEST RAINS
ASSOCIATED WITH THIS SYSTEM ARE OCCURING WELL TO THE SOUTHEAST OF
THE CENTER. IF THIS STRUCTURE PERSISTS...THE TRACK OF THE CENTER
WILL BE RELATIVELY UNIMPORTANT SINCE SIGNIFICANT IMPACTS WILL BE
CONFINED TO THE EASTERN PORTION OF THE CIRCULATION.

FORECAST POSITIONS AND MAX WINDS

INITIAL 28/1500Z 20.6N 82.5W 30 KT
12HR VT 29/0000Z 21.6N 81.8W 35 KT
24HR VT 29/1200Z 23.5N 80.7W 40 KT


36HR VT 30/0000Z 26.5N 80.0W 40 KT (AS IN ABOUT ON TOP OF ME.....)

48HR VT 30/1200Z 31.0N 78.5W 40 KT...POST-TROP/EXTRATROP
72HR VT 01/1200Z...DISSIPATED

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The bigger picture.... Fortunately I'm on the west side of the track about 40 miles; we estimate that we'll get about 6-8" rain and winds of about 40-50 miles per hour or about 6-8 hours. While that sounds like alot of rain, in Florida it tends to drain off rather quickly (except in the urban areas where the developers screwed up the natural draining system patterns...)

track.gif

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So says the National Weather Service.....

SITUATION OVERVIEW...
THE PRIMARY IMPACTS WITH THIS SYSTEM ARE EXPECTED TO BE RAINFALL
FLOODING AND TROPICAL STORM FORCE WINDS. ON THE CURRENT FORECAST
TRACK AND INTENSITY, HEAVY RAINS WILL SPREAD ACROSS SOUTH FLORIDA
TONIGHT THROUGH WEDNESDAY, WITH TROPICAL STORM FORCE WINDS DURING
THE DAY ON WEDNESDAY. DUE TO THE RATHER DISORGANIZED NATURE OF THE
SYSTEM, IT IS QUITE POSSIBLE THAT MOST OF THE IMPACTS WILL BE ON THE
EAST SIDE. THIS MEANS THAT ONLY A SLIGHT SHIFT EAST OF THE CURRENT
FORECAST TRACK WILL RESULT IN THE HEAVIEST RAIN AND STRONGEST WINDS
REMAINING OFFSHORE. NEVERTHELESS, SOUTH FLORIDIANS SHOULD PREPARE
FOR THE POTENTIAL OF SIGNIFICANT FLOODING TONIGHT AND WEDNESDAY,
ALONG WITH THE POSSIBILITY OF SUSTAINED TROPICAL STORM FORCE WINDS
DURING THE DAY ON WEDNESDAY.

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"Nichole to Be" continues on it's inexorable plod across Cuba to arrive in my neck of the woods at....

Yes!!! Folks!!! you guessed it!!! As per usual!!! about midnight...... We always get hit at night!!! makes it more "scary".....

Significant info in "bold".

ALTHOUGH THE SATELLITE APPEARANCE OF TROPICAL DEPRESSION SIXTEEN HAS
CHANGED LITTLE SINCE THE LAST ADVISORY...DOPPLER RADAR DATA FROM
KEY WEST AND MIAMI...ALONG WITH RADAR RADAR FROM CUBA INDICATE
CONVECTION HAS INCREASED IN THE NORTHERN SEMICIRCLE. ALSO...AN AIR
FORCE RESERVE RECONNAISSANCE AIRCRAFT FLYING BETWEEN FLORIDA AND
CUBA HAS INDICATED SURFACE WINDS OF 33 KT IN UNCONTAMINATED SFMR
DATA ABOUT 80-120 NMI EAST-NORTHEAST OF THE CENTER...WHICH IS MUCH
CLOSER TO THE CENTER THAN SEEN NOTED IN PRIOR SURFACE OBSERVATIONS

AND RECON DATA. THE LARGEST DOPPLER RADAR VELOCITY VALUES DETECTED
THUS FAR HAVE BEEN 40-44 KT BETWEEN 6000-12000 FT. THIS INDICATES
THAT THE DEPRESSION IS VERY NEAR BECOMING A TROPICAL STORM.

THE DEPRESSION IS ON TRACK AND THE THE INITIAL MOTION ESTIMATE IS
020/12. 00Z UPPER-AIR DATA AND WATER VAPOR IMAGERY INDICATED THE
MID- TO UPPER-LEVEL FLOW ACROSS THE EASTERN GULF OF MEXICO...THE
SOUTHEASTERN U.S. AND THE EXTREME NORTHWESTERN CARIBBEAN SEA HAS
BEEN STEADILY BACKING AROUND FROM THE WEST TO THE SOUTH-SOUTHWEST
DURING THE PAST 24 HOURS. AS A SERIES OF STRONG SHORTWAVE TROUGHS
DIG SOUTHWARD DOWN THE WEST SIDE OF THE LONGWAVE TROUGH LOCATED
ALONG 85W...THE FLOW ACROSS FLORIDA SHOULD BECOME MORE SOUTHERLY.
THIS FLOW PATTERN SHOULD ACCELERATE THE DEPRESSION TO THE
NORTH-NORTHEAST ACROSS SOUTHEASTERN FLORIDA AS A TROPICAL CYCLONE
TODAY...AND INTO THE CAROLINAS AS AN EXTRATROPICAL LOW PRESSURE
SYSTEM IN 36 HOURS OR SO. ALTHOUGH THE MODEL CONSENSUS HAS SHIFTED
A LITTLE TO THE EAST IN THE LATEST MODEL RUNS
...THE STRONG BACKING
FLOW PATTERN MENTIONED PREVIOUSLY ARGUES FOR KEEPING THE FORECAST
TRACK ALONG THE WESTERN OR LEFT SIDE OF THE MODEL GUIDANCE
ENVELOPE. AS A RESULT...THE OFFICIAL FORECAST TRACK IS JUST AN
EXTENSION OF THE PREVIOUS ADVISORY TRACK.

THE VERTICAL SHEAR IS EXPECTED TO DECREASE SLIGHTLY DURING THE NEXT
12 HOURS BEFORE INCREASING TO ABOVE 30 KT IN ABOUT 36 HOURS. AS A
RESULT...THERE WILL BE A BRIEF WINDOW OF OPPORTUNITY FOR SOME
STRENGTHENING TO OCCUR PRIOR TO THE CYCLONE MAKING LANDFALL ALONG
THE SOUTHEASTERN FLORIDA COAST LATER TODAY
. EXTRATROPICAL
TRANSITION IS EXPECTED TO BEGIN IN 24 HOURS OR SO AND BE COMPLETE
BY 36-48 HR AS THE SYSTEM NEARS THE COAST OF THE CAROLINAS WHERE IT
IS EXPECTED TO MERGE WITH A FRONTAL SYSTEM. BY 48 HOURS...THE LOW
IS FORECAST TO BE ABSORBED BY A LARGER U. S. BAROCLINIC OVER THE
NORTHEASTERN UNITED STATES. THE OFFICIAL INTENSITY FORECAST IS
SIMILAR TO THE PREVIOUS ADVISORY AND IS A BLEND OF THE SHIPS AND
LGEM INTENSITY MODELS.


FORECAST POSITIONS AND MAX WINDS

INITIAL 29/0900Z 23.3N 81.4W 30 KT
12HR VT 29/1800Z 25.2N 80.7W 35 KT
24HR VT 30/0600Z 28.9N 79.7W 40 KT ...... about 45 mph with gusts to 50+
36HR VT 30/1800Z 33.8N 78.6W 40 KT...POST-TROP/EXTRATROP
48HR VT 01/0600Z 40.0N 77.3W 35 KT...POST-TROP/EXTRATROP
72HR VT 02/0600Z...DISSIPATED

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The major wind fields are still expected to be to the east.

Note the very large size and extent of the wind fields on the east side.

FORECAST VALID 29/1800Z 25.2N 80.7W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT...150NE 250SE 0SW 0NW.

FORECAST VALID 30/0600Z 28.9N 79.7W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...150NE 200SE 0SW 0NW.

FORECAST VALID 30/1800Z 33.8N 78.6W...POST-TROP/EXTRATROP
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...150NE 200SE 0SW 0NW.

FORECAST VALID 01/0600Z 40.0N 77.3W...POST-TROP/EXTRATROP
MAX WIND 35 KT...GUSTS 45 KT.
34 KT...150NE 250SE 0SW 0NW.

[H]

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