簽到天數: 3291 天 [LV.Master]伴壇終老
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t02436|2015-8-13 22:13
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JTWC提升評級至Medium
B. TROPICAL DISTURBANCE SUMMARY:
(1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 12.1N
166.9E, IS NOW LOCATED NEAR 13.2N 164.2E, APPROXIMATELY 335 NM
NORTHWEST OF KWAJALEIN. RECENT ANIMATED ENHANCED INFRARED (EIR)
SATELLITE IMAGERY DEPICTS FORMATIVE BANDS OVER THE NORTHERN AND
SOUTHERN SEMI-CIRCLE WRAPPING INTO AN ILL-DEFINED LLCC. A 131010Z
METOP-B MICROWAVE IMAGE REVALS FRAGMENTED CONVECTIVE BANDING
BROADLY WRAPPING INTO THE CENTER. UPPER-LEVEL ANALYSIS INDICATES A
FAVORABLE ENVIRONMENT WITH LOW VWS AND GOOD DUAL OUTFLOW. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM
SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. DUE TO IMPROVED
ORGANIZATION, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM.
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