簽到天數: 3178 天 [LV.Master]伴壇終老
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本帖最後由 t02436 於 2015-4-2 10:39 編輯
JTWC評級提升為MEDIUM
B. TROPICAL DISTURBANCE SUMMARY:
(1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 2.6N
162.0E, IS NOW LOCATED NEAR 3.8N 160.7E, APPROXIMATELY 240 NM
SOUTHEAST OF POHNPEI. ANIMATED INFRARED SATELLITE IMAGERY DEPICTS A
BROAD AREA OF TURNING THAT HAS IMPROVED AND CONSOLIDATED OVER THE
PAST 6 HOURS WITH DEEP CONVECTIVE BANDING ON THE EASTERN AND WESTERN
PERIPHERIES. A 012021Z SSMIS 37GHZ PARTIAL PASS MICROWAVE IMAGE
SHOWS THE IMPROVED CONSOLIDATION OF THE LOW LEVEL CIRCULATION CENTER
(LLCC) AND THE CURVED CONVECTIVE BANDING ALONG THE EASTERN
PERIPHERY. A 012220Z SCATTEROMETER PASS SHOWS 15 TO 20 KNOT WINDS
BEGINNING TO WRAP INTO THE LLCC FROM THE EASTERN QUADRANT. UPPER
LEVEL ENVIRONMENTAL CONDITIONS HAVE ALSO IMPROVED WITH 10 TO 20 KNOT
VERTICAL WIND SHEAR OFFSET BY EXCELLENT DUAL CHANNEL OUTFLOW AS
EVIDENT ON WATER VAPOR IMAGERY. GLOBAL MODELS INDICATE DEVELOPMENT
OF THIS DISTURBANCE IN THE NEXT 36 HOURS. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1007 MB. DUE TO THE CONSOLIDATION OF THIS
SYSTEM, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL
CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM.
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