簽到天數: 1104 天 [LV.10]以壇為家III
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abcdefg60317|2015-1-11 21:04
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JTWC:Medium (1) AN AREA OF CONVECTION HAS PERSISTED NEAR 5.6N 151.4E,
APPROXIMATELY 110 NM SOUTH-SOUTHWEST OF CHUUK. ANIMATED ENHANCED
INFRARED SATELLITE IMAGERY DEPICTS A BROAD AND ILL-DEFINED LOW LEVEL
CIRCULATION CENTER (LLCC) WITH A LARGE BAND OF DEEP CONVECTION ALONG
THE NORTHERN PERIPHERY. A 110624Z SSMIS PASS SHOWED THE LOW LEVEL
STRUCTURE REMAINS BROAD AS THE DEEP CONVECTION FLARED TO THE NORTH.
OBSERVATIONS FROM CHUUK SHOW SOUTHEAST WINDS WHILE THE 24 HOUR
PRESSURE TREND HAS DROPPED BY 2 MB. UPPER LEVEL ANALYSIS REVEALS A
MARGINAL ENVIRONMENT WITH DIVERGENT EASTERLY OUTFLOW AND MODERATE
(10 TO 15 KNOTS) VERTICAL WIND SHEAR. SEA SURFACE TEMPERATURES IN
THE REGION ARE FAVORABLE FOR DEVELOPMENT. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1002 MB. NUMERIC MODEL GUIDANCE IS AGRESSIVELY
DEVELOPING THIS SYSTEM IN 36 TO 48 HOURS. THE POTENTIAL FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS MEDIUM.
今天對流大量爆發 但似乎沒有覆蓋在中心上
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