簽到天數: 3291 天 [LV.Master]伴壇終老
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t02436|2014-6-8 09:06
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編號即評Low
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AN AREA OF CONVECTION HAS PERSISTED NEAR 23.1N 122.5E,
APPROXIMATELY 130 NM SOUTH-SOUTHEAST OF TAIPEI, TAIWAN. ANIMATED
ENHANCED INFRARED (EIR) SATELLITE IMAGERY DEPICTS AN EXTENSIVE AREA
OF DEEP CONVECTION, PRIMARILY LOCATED EAST AND SOUTH OF AN ILL-
DEFINED LOW-LEVEL CIRCULATION CENTER (LLCC). A 071450Z TRMM
MICROWAVE IMAGE REVEALS FRAGMENTED CONVECTIVE BANDING OVER SOUTHERN
SEMI-CIRCLE BROADLY WRAPPING INTO THE CENTER. AN OLDER 071320Z ASCAT
PASS INDICATED A 05 TO 10 KNOT CIRCULATION WITH STRONGER (15 TO 20
KNOT) WINDS DISPLACED WELL SOUTH OF THE LLCC. UPPER-LEVEL ANALYSIS
INDICATES THE DISTURBANCE IS LOCATED IN A MARGINAL ENVIRONMENT WITH
MODERATE WESTERLY VERTICAL WIND SHEAR, OFFSET BY STRONG DIFFLUENCE
ALOFT, ENHANCED BY AN UPPER-LEVEL TROUGH TO THE NORTHEAST. DYNAMIC
MODELS INDICATE WEAK DEVELOPMENT UNTIL THE SYSTEM TRACKS NORTH OF
25N AND INTENSIFIES AS A SUBTROPICAL LOW. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW
目前對流還是散亂零星的
風切偏強
倒是巴士海峽有渦度泛紅
焦點可能會轉移?
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