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TROPICAL DEPRESSION THREE-E DISCUSSION NUMBER 6
NATIONAL WEATHER SERVICE MIAMI FL
2 PM PDT FRI JUN 28 2002
GOES10 VISIBLE AND INFRARED IMAGERY SHOW CONTINUED DEEP CONVECTION
AND A SUGGESTION OF A QUASI INTERLOCKING BANDING PATTERN. A 14Z
QUIKSCAT PASS SHOWS AN ELONGATED NORTH/SOUTH SURFACE TROUGH RATHER
THAN A CLOSED CIRCULATION. HOWEVER WE WILL CONTINUE TO ISSUE
DEPRESSION ADVISORIES AS LONG AS THE SYSTEM HAS THE APPEARANCE OF
BEING WELL-ORGANIZED. THE SHIPS MODEL CALLS FOR SLIGHT
STRENGTHENING THROUGH 36 HOURS EVEN THOUGH THE VERTICAL SHEAR IS
FORECAST TO INCREASE TO 37 KNOTS IN 36 HOURS AND HIGHER THEREAFTER.
THE OFFICIAL FORECAST CALLS FOR THE POSSIBILITY OF SLIGHT
STRENGTHENING THROUGH 12 HOURS FOLLOWED BY WEAKENING.
THE INITIAL POSITION IS RELOCATED ABOUT 75 N MI SOUTH OF THE
PREVIOUS ADVISORY. THIS POSITION IS HIGHLY QUESTIONABLE AS THE
QUIKSCAT SHOWS NO CLOSED CIRCULATION AND IS ROUGHLY NEAR THE CENTER
OF THE INTERLOCKING PATTERN. HOWEVER...LATEST VIS IMAGES SUGGEST
THAT THE CENTER IS BECOMING SEPARATED FROM THE CONVECTION ONCE
AGAIN. THE FORECAST TRACK IS DUE WEST FOR 72 HOURS UNDER A LOW/MID
LEVEL RIDGE TO THE NORTH OF THE DEPRESSION.
FORECASTER LAWRENCE
FORECAST POSITIONS AND MAX WINDS
INITIAL 28/2100Z 11.0N 129.2W 30 KTS
12HR VT 29/0600Z 11.0N 130.9W 35 KTS
24HR VT 29/1800Z 11.0N 133.1W 30 KTS
36HR VT 30/0600Z 11.0N 135.4W 30 KTS
48HR VT 30/1800Z 11.0N 137.6W 25 KTS...DISSIPATING
72HR VT 01/1800Z 11.0N 142.0W 20 KTS...REMNANT LOW
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