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Tropical Depression PALOMA (Text)

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TROPICAL DEPRESSION PALOMA DISCUSSION NUMBER  19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL172008
1000 PM EST SUN NOV 09 2008
 
PALOMA HAS BEEN DEVOID OF ANY SIGNIFICANT CONVECTION FOR MORE THAN
12 HOURS DUE TO THE LOW-LEVEL CIRCULATION REMAINING OVER CUBA AND
VERY STRONG UPPER-LEVEL WESTERLY SHEAR DISPLACING DEEP CONVECTION
...ALONG WITH THE MID- AND UPPER-LEVEL CIRCULATIONS...WELL TO THE
EAST NEAR THE TURKS AND CAICOS ISLANDS. DUE TO THE LACK OF ANY
CONVECTION...DVORAK SATELLITE INTENSITY ESTIMATES CAN NOT BE
GENERATED BY TAFB AND SAB. THEREFORE...THE INTENSITY HAS BEEN
DECREASED TO 25 KT FOR DISSIPATING TROPICAL DEPRESSION PALOMA.
 
THE INITIAL MOTION ESTIMATE IS 360/03 KT. THE REMNANTS OF PALOMA ARE
EXPECTED TO DRIFT SLOWLY NORTHWARD FOR THE NEXT 24 HOURS OR SO...
AND THEN DRIFT BACK TO THE WEST OR EVEN TOWARD THE SOUTHWEST ACROSS
CUBA. THE OFFICIAL FORECAST TRACK IS SIMILAR TO THE PREVIOUS
ADVISORY AND IS A BLEND OF THE SHALLOW BAM AND THE NHC MODEL
CONSENSUS. 
 
THE COMBINATION OF STRONG VERTICAL WIND SHEAR...MEANDERING OVER LAND
FOR MORE THAN 24 HOURS...AND DRY STABLE AIR BEING ADVECTED INTO THE
CIRCULATION AHEAD OF AN APPROACHING FRONTAL SYSTEM HAS LED TO THE
RAPID DEMISE OF PALOMA. SINCE THE LOW-LEVEL CIRCULATION REMAINS
FAIRLY WELL ORGANIZED...THERE INTERMITTENT BURSTS OF DEEP
CONVECTION MAY DEVELOP NEAR THE LOW-LEVEL CENTER IF THE SYSTEM
REMAINS OVER THE WARM ATLANTIC WATERS BETWEEN CUBA AND THE BAHAMAS
DURING THE NEXT DAY OR TWO. HOWEVER...UPPER-LEVEL WESTERLY SHEAR IN
EXCESS OF 30 KT FOR AT LEAST THE NEXT 24 HOURS SHOULD PREVENT ANY
CONVECTION THAT MIGHT DEVELOP FROM BECOMING ORGANIZED AROUND THE
CENTER.
 
THIS WILL BE THE LAST ADVISORY ON THIS SYSTEM UNLESS REGENERATION
OCCURS.

FORECAST POSITIONS AND MAX WINDS
 
INITIAL      10/0300Z 22.0N  78.0W    25 KT...DISSIPATING INLAND
 12HR VT     10/1200Z 22.2N  78.1W    25 KT...REMNANT LOW
 24HR VT     11/0000Z 22.7N  78.2W    20 KT...REMNANT LOW
 36HR VT     11/1200Z 23.0N  78.4W    20 KT...REMNANT LOW
 48HR VT     12/0000Z 23.0N  78.8W    20 KT...REMNANT LOW
 72HR VT     13/0000Z...DISSIPATED
 
$$
FORECASTER STEWART
 
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