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1431036707|2013-9-15 12:46
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已评级low(1) AN AREA OF CONVECTION HAS PERSISTED NEAR 12.3N 148.5E,
APPROXIMATELY 227 NM EAST-SOUTHEAST OF ANDERSEN AFB, GUAM. ANIMATED
MULTISPECTRAL SATELLITE IMAGERY REVEALS CONVERGENT NORTHEASTERLY
FLOW ALONG THE NORTHERN PERIPHERY OF A POORLY DEFINED LOW-LEVEL
CIRCULATION CENTER (LLCC). A RECENT SCATTEROMETRY PASS DEPICTS A
WEAK LLCC IN THE AREA INDICATED ABOVE. UPPER-LEVEL ANALYSIS
INDICATES THE SYSTEM IS LOCATED JUST SOUTH OF A TUTT CELL WHICH IS
CURRENTLY HAMPERING POTENTIAL DEVELOPMENT. VERTICAL WIND SHEAR IS
WEAK TO MODERATE (10 TO 20 KNOTS) AND OFFSET BY GOOD EQUATORWARD
OUTFLOW. THE CURRENT VORTICITY SIGNATURE IS FAIRLY ELONGATED AND HAS
SLIGHTLY IMPROVED OVER THE PAST 6 HOURS. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1010 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW. |
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