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发表于 2009-1-25 10:35
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THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 18.0S
120.9E, IS NOW LOCATED NEAR 18.0S 114.9E, APPROXIMATELY 350 NM
NORTHEAST OF LEARMONTH, AUSTRALIA. ANIMATED WATER VAPOR IMAGERY
SHOWS AN AREA OF DEEP CONVECTION WITH GOOD EQUATORWARD OUTFLOW
AND A DEVELOPING POLAR OUTFLOW CHANNEL OFF-SHORE OF PORT HEDLAND,
AUSTRALIA. A RECENT WEATHER RADAR COMPOSITE REFLECTIVITY LOOP
FROM PORT HEDLAND INDICATES A WELL FORMED LOW LEVEL CIRCULATION
CENTER (LLCC) WITH TIGHT CONVECTIVE BANDING WRAPPING INTO THE
CENTER. UPPER LEVEL ANALYSIS INDICATES THE SYSTEM IS IN AN AREA OF
FAVORABLE VERTICAL WIND SHEAR. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 22 TO 27 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 1003 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED
TO FAIR. |
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