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http://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/warnings/wp9613.gif
WTPN22 PGTW 291730 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE FORMATION ALERT// REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/282321Z SEP 13// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 282330)// RMKS/ 1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 180 NM EITHER SIDE OF A LINE FROM 26.1N 150.7E TO 28.5N 142.6E WITHIN THE NEXT 06 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 15 TO 20 KNOTS. METSAT IMAGERY AT 291700Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 26.0N 149.8E. THE SYSTEM IS MOVING WESTWARD AT 09 KNOTS. 2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 26.2N 152.3E IS NOW LOCATED NEAR 26.0N 149.8E, APPROXIMATELY 465 NM EAST OF IWO-TO, JAPAN. ANIMATED INFRARED SATELLITE IMAGERY DEPICTS A CONSOLIDATING LOW-LEVEL CIRCULATION CENTER WITH PERSISTENT DEEP CONVECTION OVER THE WESTERN SEMI-CIRCLE. A 291132Z AMSU IMAGE SHOWS CONVECTIVE BANDING WRAPPING FROM THE NORTHEAST QUADRANT INTO THE SOUTH QUADRANT OF A DEFINED CENTER. TOTAL PRECIPITABLE WATER (TPW) IMAGERY INDICATES A MOISTENING PHASE WITH A NEAR-SYMMETRIC CORE OF DEEP MOISTURE EVOLVING OVER THE PAST 12 HOURS. THE TPW IMAGERY ALONG WITH RECENT AMSU CROSS-SECTIONS, WHICH SHOW A +1C WARM ANOMALY, PROVIDE EVIDENCE THAT THE SYSTEM HAS TRANSITIONED FROM A SUBTROPICAL (COLD-CORE) SYSTEM TO A WARM-CORE SYSTEM. A 291132Z ASCAT IMAGE DEPICTS AN ELONGATED CIRCULATION WITH 25 TO 30 KNOT WINDS OVER THE NORTHERN SEMI-CIRCLE AND 15 TO 20 KNOT WINDS OVER THE CORE BUT ALSO SHOWS THAT THE RADIUS OF MAX WINDS HAS DECREASED TO ABOUT 60 TO 80 NM, WHICH IS MORE TYPICAL OF TROPICAL CYCLONES. UPPER-LEVEL ANALYSIS INDICATES A MARGINALLY-FAVORABLE ENVIRONMENT WITH WEAK TO MODERATE VERTICAL WIND SHEAR (10 TO 20 KNOTS) AND DIFFLUENT EASTERLY FLOW. THE SYSTEM IS CURRENTLY LOCATED JUST NORTH OF A TUTT CELL BUT IS EXPECTED TO TRACK WESTWARD INTO AN IMPROVING UPPER-LEVEL ENVIRONMENT. THE SYSTEM IS CURRENTLY LOCATED OVER FAVORABLE SST (28 TO 29C). MAXIMUM SUSTAINED SURFACE WINDS NEAR THE CENTER ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE POTENTIAL FOR THIS SUBTROPICAL SYSTEM TO DEVELOP INTO A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. 3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 301730Z. 4. SEE REF A FOR DETAILS ON A TROPICAL CYCLONE FORMATION ALERT LOCATED NEAR 11.1N 134.9E.// NNNN 96W 也TCFA了 而且發展的比95W還好 也許96W是聖帕 95W是菲特 96W 現在是不是具"副熱帶氣旋"的性質? 預測未來兩支應該都是日本貨 昨天EC看似發抽的侵台預測消失了 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 123.192.225.38
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killseven :881 兩隻日貨 09/30 10:18