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Tropical Storm IKE (Text)

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TROPICAL STORM IKE DISCUSSION NUMBER   2
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092008
500 PM EDT MON SEP 01 2008
 
SATELLITE IMAGES THAT THE CLOUD PATTERN ASSOCIATED WITH THE
DEPRESSION HAS CONTINUED TO BECOME BETTER ORGANIZED. THE CONVECTION
HAS INCREASED...CURVED BANDS ARE BECOMING MORE DISTINCT
AND THE OUTFLOW IS FAIR IN ALL QUADRANTS. DVORAK T-NUMBERS FROM
TAFB AND SAB HAVE INCREASED TO 3.0 ON THE DVORAK SCALE. ON THIS
BASIS...THE SYSTEM HAS BEEN UPGRADED TO TROPICAL STORM IKE WITH AN
INITIAL INTENSITY OF 45 KNOTS.  GIVEN THE WARM OCEAN ALONG ITS PATH
AND THE LOW SHEAR...IKE IS FORECAST TO REACH HURRICANE STATUS IN
ABOUT 36 HOURS. THE RATE OF STRENGTHENING IS CONSISTENT WITH THE
SHIPS MODEL GUIDANCE BUT MUCH LOWER THAN THE GFDL AND SIGNIFICANTLY
LOWER THAN THE HWRF. THE LATTER MAKES IKE AN INTENSE HURRICANE
NORTH OF HISPANIOLA.
 
IKE IS MOVING TOWARD THE WEST OR 275 DEGREES AT 14 KNOTS. THE STORM
IS ALREADY LOCATED SOUTH OF A STRONG SUBTROPICAL RIDGE WHICH IS
BUILDING AND EXPANDING WESTWARD ACCORDING TO MOST OF THE GLOBAL
MODELS. THIS PATTERN CALLS FOR A GENERAL WEST TO WEST-NORTHWEST
TRACK FOR THE NEXT 2 TO 3 DAYS. THEREAFTER...AS THE HIGH BUILDS
FARTHER WESTWARD...THE CYCLONE COULD TURN MORE TO THE WEST OR EVEN
WEST-SOUTHWEST . THE OFFICIAL FORECAST IS VERY SIMILAR TO THE
PREVIOUS ONE AND FOLLOWS THE MODEL CONSENSUS. SINCE THE TRACK
GUIDANCE CONTINUES TO BE RATHER TIGHT...THE FORECAST CONFIDENCE
REMAINS RELATIVELY HIGH.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      01/2100Z 17.7N  40.6W    45 KT
 12HR VT     02/0600Z 18.0N  42.8W    50 KT
 24HR VT     02/1800Z 18.5N  45.5W    60 KT
 36HR VT     03/0600Z 19.5N  48.5W    70 KT
 48HR VT     03/1800Z 20.5N  51.5W    75 KT
 72HR VT     04/1800Z 21.5N  58.0W    80 KT
 96HR VT     05/1800Z 22.0N  64.0W    80 KT
120HR VT     06/1800Z 22.0N  69.5W    80 KT
 
$$
FORECASTER AVILA
 
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