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本帖最後由 Meow 於 2013-11-8 11:19 編輯
JMA 一直維持 TD,JTWC 也重新評價 Medium。
TROPICAL DEPRESSION 1006 HPA AT 12N 100E WEST SLOWLY.
THE REMNANTS OF 30W HAS TRACKED WESTWARD INTO THE GULF OF
THAILAND NEAR 12.5N 100.8E, APPROXIMATELY 74 NM SOUTH-SOUTHEAST OF
BANGKOK, THAILAND. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY
(EIR) SHOWS FLARING DEEP CONVECTION BUILDING OVER A POORLY DEFINED
LOW LEVEL CIRCULATION CENTER (LLCC). A MORE DEFINED MID-LEVEL
CIRCULATION IS EVIDENT IN THE EIR, LEADING TO INCREASED VORTICITY
THROUGHOUT THE VERTICAL COLUMN. ANIMATED WATER VAPOR IMAGERY DEPICTS
IMPROVED CONVECTION AND ORGANIZATION SUPPORTING THE BETTER
ORGANIZATION OF THE REMNANTS OF 30W. THE LLCC IS CURRENTLY LOCATED
EQUATORWARD OF AN UPPER-LEVEL SUBTROPICAL RIDGE, WHICH IS PROVIDING
DIFFLUENT WESTERLY OUTFLOW AND LOW VERTICAL WIND SHEAR (05 TO 10
KNOTS). SEA SURFACE TEMPERATURES IN THE VICINITY OF THE LLCC ARE
FAVORABLE (29 TO 30 CELSIUS) FOR FURTHER DEVELOPMENT. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 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 MEDIUM. |
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