WWIO21 KNES 211542 SATELLITE WEATHER BULLETIN SOUTH INDIAN OCEAN MET-7 VIS/IRDAY . MARCH 21 2007 1430Z . 36.5S 40.6E ST2.5 SUBTROPICAL DISTURBANCE . PAST POSITIONS....35.9S 37.0E 20/1900Z IRDAY/VIS 34.6S 36.7E 20/0900Z IRDAY/VIS . REMARKS....FLORIDA STATE UNIVERSITY CYCLONE PHASE DIAGRAMS BASED ON 06Z MARCH 21 RUN OF THE GFS INDICATES THE SYSTEM SOUTH SOUTHWEST OF MADAGASCAR POSSESSES A NOMINAL SHALLOW WARM CORE STRUCTURE. CONSISTENT WITH SUBTROPICAL SYSTEMS MOST OF THE CONVECTION IS LOCATED EAST AND POLEWARD OF THE CENTER...BY 1-1.5 DEGREES LATITUDE. . POSITION ACCURATE WITHIN 40 NMI. . THE NEXT BULLETIN WILL BE ISSUED BY 20/2200Z . FOR AREAL DISPLAY OF RAINFALL POTENTIAL SEE OUR WEB SITE AT HTTP://WWW.SSD.NOAA.GOV/PS/TROP/TRAP-IMG.HTML ALL LOWER CASE LETTERS EXCEPT PS/TROP . KIBLER . NNNN