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Tropical Disturbance Summary For area Equator to 25S, 160E to 120WISSUED FROM RSMC NADI Dec 01/2319 UTC 2008 UTC. TROPICAL DISTURBANCE 01F CENTRE [1006HPA] ANALYSED NEAR 12S 164W 012100 UTC AND REMAINS SLOW MOVING. POSITION POOR BASED ON MTSAT IR/VIS WITH ANIMATION. SST IS AROUND 27 DEGREE CELCIUS. CONVECTION HAS BEEN PERSISTENT FOR THE LAST 24 HOURS AND HAS SLIGTLY INCREASED IN THE LAST 6 HOURS DUE TO DIURNAL VARIATION BUT NOTDEEPENED MUCH.SYSTEM IS SLIGHTLY ORGANISED WITH CYCLONIC CIRCULATION WELL DEFINED FROM LOW-MID LEVEL [850-500HPA]. O1F LIES UNDER A 250 HPA UPPER TROUGH IN A MODERATELY SHEARED ENVIRONMENT. MOST GLOBAL MODELS [ AVN/UKGC/US/EC] ARE SHOWING DEVELOPMENT OF O1F AND MOVING IT WESTSOUTHWEST. POTENTIAL FOR O1F DEVELOP IN THE 24 TO 48 HOURS IS LOW. NO OTHER SIGNIFICANT TROPICAL DISTURBANCES ANALYSED OR FORECAST IN ! THE AREA.
2008年12月04日 05点12分
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