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WTPN21 PGTW 281630 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE FORMATION ALERT// RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 200 NM EITHER SIDE OF A LINE FROM 17.4N 153.9E TO 20.6N 159.2E 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 18 TO 22 KNOTS. METSAT IM- AGERY AT 281200Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 17.9N 155.0E. THE SYSTEM IS MOVING EASTWARD AT 11 KNOTS. 2. REMARKS: AN AREA OF CONVECTION NEAR 18.4N 155.0E, APPROXIMATELY 560 NM EAST-NORTHEAST OF SAIPAN, HAS PERSISTED OVER THE PAST 24 HOURS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY INDICATES DEEP CONVECTION BANDING INTO A LOW LEVEL CIRCULATION CENTER (LLCC) WITH ADDITIONAL CONVECTION FORMING NEAR THE CENTER. THE PREVIOUS TWO QUIKSCAT PASSES HAVE ALSO DEPICTED THIS LLCC WITH 15 TO 20 KNOTS OF UNFLAGGED WINDS. UPPER LEVEL ANALYSIS INDICATES WEAK VERTICAL WIND SHEAR ALOFT. POLEWARD OUTFLOW IS BEING ENHANCED BY TUTT CELLS TO THE NORTH AND NORTHWEST OF THE LLCC. IN ADDITION TO GOOD POLEWARD OUTFLOW, A RIDGE SOUTH OF THE LLCC IS ENHANCING EQUATOR- WARD OUTFLOW. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED TO BE 18 TO 22 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. DUE TO THE INCREASED DEEP CONVECTIVE ORGANIZATION AND FAVORABLE ENVIROMENTAL CONDITIONS, 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 291630Z.// 4個小時內從FAIR變GOOD TCFA也發布 現在往東走 不過預計會去找日本 目前全世界最受矚目的熱帶天氣系統 準颱風菲特 不過JMA不曉得在幹嘛 完全沒有看到相關消息 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.133.9.150
ffmuteki9:它往日本撲去,是會貼著高壓邊緣跑還是直接衝斷? 08/29 03:34
killseven:比較好奇是未來 真如預測 南海目前的雲系會跑來台灣嗎? 08/29 04:43
logdog:然後在台灣上空變成TS 08/29 04:55
killseven:logdog大大 真的這樣演變嗎?? 08/29 05:18
tcytc:10W現身了... 08/29 08:49
logdog:10W 預計下一報變菲特... 08/29 10:28
LionRafale:請教一下為啥受矚目 ? 08/29 13:02
logdog:全球唯一有機會成為熱帶氣旋的天氣系統(現在) 08/29 13:15
Morbert:已經有點過度期待了...沒災情是不會全球矚目的 08/29 15:21