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WTPN21 PGTW 272000 MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE FORMATION ALERT// RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 120 NM EITHER SIDE OF A LINE FROM 20.7N 148.6E TO 24.0N 145.4E WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS IN THE AREA ARE ESTIMATED TO BE 22 TO 27 KNOTS. METSAT IM- AGERY AT 271730Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 21.1N 148.2E. THE SYSTEM IS MOVING NORTHWESTWARD AT 08 KNOTS. 2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 20.5N 148.7E, IS NOW LOCATED NEAR 21.1N 148.2E, APPROXIMATELY 435 NM EAST- SOUTHEAST OF IWO TO, JAPAN. RECENT ANIMATED ENHANCED INFRARED IMAGERY SHOWS DEEP CONVECTION CONTINUES TO DEVELOP OVER THE LOW LEVEL CIRCULATION CENTER (LLCC) WITH THE DEEPEST CONVECTION ON THE SOUTHERN HALF OF THE LLCC ASSOCIATED WITH CONVERGENCE. A 271617Z TRMM 85H IMAGE SUPPORTS THE TIGHT TURNING WITH THE DEEPEST CONVECTION EXTENDING TO THE SOUTHWEST. UPPER LEVEL ANALYSIS DEPICTS A FAVORABLE ENVIRONMENT FOR FURTHER DEVELOPMENT, WITH MULTIPLE OUTFLOW CHANNELS OVER THE SYSTEM. A TROPICAL UPPER TROPOSPHERIC TROUGH CELL HAS DEVELOPED AROUND 26.1N 146.3E AND HAS HELPED TO ENHANCE THE POLEWARD OUTFLOW CHANNEL. A TROUGH NEAR 22.7N 163.0E HAS CONTINUED TO ALLOW GOOD OUTFLOW TO THE EAST. SOUTH OF THE LLCC UPPER LEVEL EASTERLY FLOW HAS CONTINUED TO MAINTAIN AN EQUATORWARD OUTFLOW CHANNEL. WITH LOW VERTICAL WIND SHEAR AND FAVORABLE SEA SURFACE TEMPERATURES FURTHER DEVELOPMENT OF THIS SYSTEM IS EXPECTED TO CONTINUE. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 22 TO 27 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS GOOD. 3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 282000Z.// NNNN 硫磺島東南東方 昨天一下中心附近對流爆發 越來越有樣子 相信不久可以得到命名 不過目前還遠要再看狀況 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 123.192.171.148
youngscott :EC一樣還在亂搞中.. 我去日本..我去菲律賓 我難產 XD 08/28 09:28
jelly777 :看起來會不會又是不好惹的傢伙XD 08/28 09:31