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Meow|2014-11-26 13:37
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顯示全部樓層
JTWC 已發布 TCFA,但由於稍早追認前兩報強度為 TD 以上,因此稍後隨時有可能編號 21W。
WTPN21 PGTW 260500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
200 NM EITHER SIDE OF A LINE FROM 8.6N 129.1E TO 9.9N 119.4E WITHIN
THE NEXT 03 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 25 TO 30 KNOTS. METSAT IMAGERY AT 260430Z
INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 8.5N 127.9E. THE
SYSTEM IS MOVING WESTWARD AT 12 KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 9.4N
131.8E IS NOW LOCATED NEAR 8.5N 127.9E, APPROXIMATELY 550 NM
SOUTHEAST OF MANILA, PHILIPPINES. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY DEPICTS A CONSOLIDATING LOW-LEVEL CIRCULATION CENTER (LLCC)
WITH FORMATIVE CONVECTIVE BANDING. A 260113Z METOP-A 89 GHZ IMAGE
INDICATES FRAGMENTED CONVECTIVE BANDING WRAPPING INTO THE DEFINED
LLCC, HOWEVER, LAND INTERACTION IS DISRUPTING BANDING OVER THE
WESTERN SEMI-CIRCLE. A 260027Z ASCAT IMAGE SHOWS 25 TO 30 KNOT WINDS
OVER THE EASTERN SEMI-CIRCLE. A 26/0300Z SHIP OBSERVATION,
APPROXIMATELY 145 NM NORTH-NORTHWEST OF THE CENTER, INDICATES
EASTERLY WINDS AT 28 KNOTS. WITH THE EXCEPTION OF LAND INTERACTION,
THE ENVIRONMENT IS FAVORABLE WITH LOW VERTICAL WIND SHEAR AND GOOD
POLEWARD OUTFLOW. NUMERICAL GUIDANCE INDICATES THAT THE SYSTEM WILL
TRACK WESTWARD OVER MINDANAO OVER THE NEXT 12 TO 18 HOURS, RE-EMERGE
OVER WATER BY TAU 24, AND INTENSIFY INTO A TROPICAL DEPRESSION BY
TAU 36. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB.
THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
270500Z.//
NNNN
WP, 93, 2014112518, , BEST, 0, 85N, 1291E, 25, 1004, DB, 0, , 0, 0, 0, 0, 1011, 180, 40, 0, 0, W, 0, , 0, 0, INVEST, S,
WP, 93, 2014112600, , BEST, 0, 85N, 1279E, 30, 1000, DB, 0, , 0, 0, 0, 0, 1008, 180, 40, 0, 0, W, 0, , 0, 0, INVEST, S, |
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