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krichard2011|2015-7-23 09:45
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本帖最後由 krichard2011 於 2015-7-23 09:46 編輯
即編即發TCFA!!
REMARKS: AN AREA OF CONVECTION HAS PERSISTED NEAR 16.8N 123.4E,
APPROXIMATELY 195 NM NORTHEAST OF MANILA, PHILIPPINES. ANIMATED
MULTISPECTRAL SATELLITE IMAGERY DEPICTS A WELL-DEFINED, PARTIALLY-
EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC) WITH FRAGMENTED,
FORMATIVE CONVECTIVE BANDING. A 222258Z SSMIS 37 GHZ IMAGE DEPICTS
TIGHTLY-CURVED BANDING WRAPPING INTO A MICROWAVE EYE FEATURE. AN
EARLIER ASCAT IMAGE (221249Z) SHOWED NUMEROUS 20 TO 25 KNOT WINDS
ASSOCIATED WITH A DEFINED CIRCULATION. UPPER-LEVEL ANALYSIS DEPICTS
A MARGINALLY-FAVORABLE ENVIRONMENT WITH A BROAD UPPER-LEVEL TROUGH
OVER THE LLCC AND WEAK DIFFLUENCE. THE DYNAMIC MODELS INDICATE A
GENERALLY SLOW NORTHWARD TRACK. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 20 TO 25 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. |
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