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TCFA
THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 14.5N
117.3E, IS NOW LOCATED NEAR 14.8N 117.5E, APPROXIMATELY 205 NM WEST
OF MANILA, PHILIPPINES. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
SHOWS A BROAD AND ELONGATED LOW LEVEL CIRCULATION CENTER WITH
FORMATIVE BANDING CONCENTRATED ALONG THE SOUTHERN PERIPHERY. RECENT
SCATTEROMETRY DATA INDICATES 15-20 KNOT WIND BARBS EMBEDDED IN THE
CONVECTIVE BANDS. UPPER-LEVEL ANALYSIS REVEALS THE SYSTEM IS JUST TO
THE NORTHWEST OF A RIDGE AXIS IN AN AREA OF LOW (05-10 KNOT)
VERTICAL WIND SHEAR WITH A ROBUST EQUATORWARD OUTFLOW. SEA SURFACE
TEMPERATURES IN THE SOUTH CHINA SEA ARE PERENIALLY FAVORABLE FOR
DEVELOPMENT AT 28 TO 30 DEGREES CELSIUS. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1005 MB. IN VIEW OF THE IMROVED UPPER LEVEL
CONDITIONS, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH.
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