簽到天數: 3291 天 [LV.Master]伴壇終老
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t02436|2014-6-25 22:40
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JTWC評級Low
AN AREA OF CONVECTION HAS PERSISTED NEAR 11.0N 129.5E,
APPROXIMATELY 365 NM NORTHWEST OF PALAU. ANIMATED ENHANCED INFRARED
SATELLITE IMAGERY INDICATES AN AREA OF STRONG MID-LEVEL TURNING
COINCIDENT WITH BROAD LOW-LEVEL TROUGHING, AND DISORGANIZED YET
PERSISTENT DEEP CONVECTION. RECENT SCATTEROMETER DATA SHOWS A BROAD
CIRCULATION WITH 10 TO 15 KNOT WINDS. A 251257Z METOP-B IMAGE
DEPICTS FRAGMENTED CONVECTIVE BANDING OVER THE NORTHERN SEMI-CIRCLE
WRAPPING INTO THE SOUTHWEST QUADRANT OF AN ILL-DEFINED LOW-LEVEL
CIRCULATION CENTER. UPPER-LEVEL ANALYSIS REVEALS A MARGINAL
ENVIRONMENT CHARACTERIZED BY MODERATE (15 TO 25 KNOTS) EASTERLY
VERTICAL WIND SHEAR OFFSET BY DIFFLUENCE ALOFT. MAXIMUM SUSTAINED
SURFACE WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL
PRESSURE IS ESTIMATED TO BE NEAR 1008 MB. THE POTENTIAL FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS LOW.
目前對流維持不錯
沒有像之前的擾動一下子就散光了= =
方向就沿著副高邊緣移動
有數值看好發展
GFS目前還不明朗
傾向周末北上到臺灣附近
當然這要視副高西伸強度而定
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