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sh991016|2013-6-19 11:19
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AN AREA OF CONVECTION HAS PERSISTED NEAR 12.5N 115.4E, APPROXIMATELY 600 NM SOUTH OF HONG KONG. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A WEAK LOW-LEVEL CIRCULATION CENTER (LLCC) WITH A LARGE AREA OF DISORGANIZED-FLARING DEEP CONVECTION. A 182229Z SSMI MICROWAVE IMAGE INDICATES NO DISCERNIBLE LLCC, HOWEVER, THERE ARE HINTS OF FRAGMENTED BANDING OVER THE SOUTHERN SEMI-CIRCLE OF THE LLCC. A NEARBY SHIP REPORT INDICATES 10 KNOT WINDS AT 1003 MB. THE SYSTEM IS LOCATED WITHIN A FAVORABLE ENVIRONMENT OF LOW (5 TO 10 KTS) VERTICAL WIND SHEAR (VWS) AND WARM (~30 DEG CELSIUS) SEA SURFACE TEMPERATURES (SSTS). UPPER LEVEL ANALYSIS INDICATES GOOD DIVERGENCE ALOFT. ENHANCED ANIMATED WATER VAPOR IMAGERY INDICATES THAT POLEWARD OUTFLOW MAY BE ENHANCED BY THE PRESENCE OF A TUTT CELL LOCATED TO THE NORTHEAST OF THE SYSTEM. DYNAMIC MODELS INDICATE THAT THE SYSTEM WILL DEVELOP INTO A TROPICAL DEPRESSION WITHIN THE NEXT 2 TO 3 DAYS WITH A TRACK MEANDERING NORTHWARD WITHIN THE SOUTH CHINA SEA. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. DUE TO THE LARGE AMOUNT OF INCREASING DEEP CONVECTION AND PROXIMITY TO A TUTT CELL TO THE NORTHEAST, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM.恐怖了!!!!今早已經MEDIUM!
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