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krichard2011|2013-6-29 09:20
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不知不覺就發TCFA了
螺旋性比之前更佳良好
GFS預測未來的強度可觀...
FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN140 NM EITHER SIDE OF A LINE FROM 10.0N 104.5W TO 17.6N 105.3WWITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFYISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS IN THE AREA ARE ESTIMATED TO BE 15 TO 20 KNOTS. METSAT IMAGERY AT 281800Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 10.8N 104.3W. THE SYSTEM IS MOVING WEST-NORTHWESTWARD AT 02 KNOTS.2. REMARKS: AN AREA OF CONVECTION HAS PERSISTED NEAR 10.8N 104.3W, APPROXIMATELY 500 NM SOUTH-SOUTHWEST OF ACAPULCO, MEXICO. RECENT ANIMATED MULTISPECTRAL SATELLITE IMAGERY INDICATES A CONSOLIDATING LOW LEVEL CIRCULATION CENTER (LLCC) LOCATED UNDERNEATH PERSISTENT DEEP CONVECTION. A 281503Z SSMIS MICROWAVE IMAGE SHOWS THE CONSOLIDATING LLCC AND INDICATES FORMATIVE CONVECTIVE BANDING ACROSS THE NORTHERN PERIPHERY. A 281601Z SCATTEROMETRY PASS INDICATED 15-20 KNOT WINDS SURROUNDING THE LLCC. UPPER LEVEL ANALYSIS INDICATES GOOD DIVERGENCE ALOFT AS WELL AS LOW (5 TO 10 KTS) VERTICAL WIND SHEAR. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED BETWEEN 15 AND 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1009 MB. DUE TO THE INCREASED CONSOLIDATION OF THE LLCC AND DEEP CONVECTIVE BANDING ALONG THE NORTHERN PERIPHERY, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH.
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