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krichard2011|2013-8-16 10:25
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顯示全部樓層
JTWC升格評級為Low
JMA也於稍早發GW
目前螺旋性開始好多了
底層有開始旋轉起來的跡象
為附近風切稍大 但預期未來有減弱的趨勢
-------------------------------JTWC-------------------------------
AN AREA OF CONVECTION HAS PERSISTED NEAR 22.8N 123.8E, APPROXIMATELY 190 NM SOUTHEAST OF TAIPEI, TAIWAN. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) SHOWS A FULLY EXPOSED, ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC) WITH LINEAR DEEP CONVECTION EXTENDING FROM THE SOUTHERN PERIPHERY OF THE CIRCULATION INTO THE NORTHERN PORTION OF THE SOUTH CHINA SEA. UPPER LEVEL ANALYSIS INDICATES THE LLCC IS LOCATED WITHIN A DIVERGENT QUADRANT OF A SUBTROPICAL RIDGE AXIS. SEA SURFACE TEMPERATURES WITHIN THE REGION ARE FAVORABLE FOR FURTHER DEVELOPMENT. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW.
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