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sh991016|2014-7-25 18:11
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25日晚間六時評級Medium
下午渦度已經泛白了~
THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 6.5N 134.7E, IS NOW LOCATED NEAR 7.0N 135.1E, APPROXIMATELY 34 NM EAST-SOUTHEAST OF KOROR, PALAU. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS PERSISTENT DEEP CONVECTION ASSOCIATED WITH A CONSOLIDATING LOW-LEVEL CIRCULATION CENTER. A 250840Z SSMIS MICROWAVE IMAGE REVEALS IMPROVED CONVECTION BANDING OVER THE SOUTHERN PERIPHERY TIGHTLY-WRAPPING INTO THE CENTER. UPPER-LEVEL ANALYSIS INDICATES THE DISTURBANCE IS NOW LOCATED IN A FAVORABLE ENVIRONMENT WITH LOW TO MODERATE (05 TO 15 KNOT) VERTICAL WIND SHEAR AND GOOD EQUATORWARD AND WESTWARD OUTFLOW. ADDITIONALLY, WARM SEA SURFACE TEMPERATURES ARE CONDUCIVE FOR DEVELOPMENT. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1003 MB. DUE TO IMPROVING CONDITIONS AND ORGANIZATION, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM.
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