{"ObservationDate":"2025-04-18T18:00:00","Latitude":-14.4,"Longitude":71.3,"Windspeed":28.0,"Pressure":1005.0,"Identifier":"INVEST 99S","PotentialStatus":"LOW","OriginalBulletin":["ABIO10 PGTW 181800","MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//","SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN ","OCEAN/181800Z-191800ZAPR2025//","REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/181351ZAPR2025//","AMPN/REF A IS A TROPICAL CYCLONE FINAL WARNING.//","RMKS/","   B. TROPICAL DISTURBANCE SUMMARY: NONE.","   C. SUBTROPICAL SYSTEM SUMMARY: NONE.","   B. TROPICAL DISTURBANCE SUMMARY:","      (1) THE AREA OF CONVECTION (INVEST 99S) PREVIOUSLY LOCATED NEAR ","13.0S 71.7E IS NOW LOCATED NEAR 14.4S 71.3E, APPROXIMATELY 428 NM ","SOUTH OF DIEGO GARCIA. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY ","(EIR) DEPICTS A PARTIALLY-EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) ","WITH PERSISTENT CONVECTION IN THE SOUTHEAST QUADRANT OF THE LLCC. A ","RECENT 180409Z ASCAT METOP-C 25KM PASS FURTHER REVEALS THE BROAD, ","WEAK NATURE OF THE CIRCULATION, WITH GRADIENT WINDS OF 30-35 KNOTS ","DISPLACED OVER THE SOUTHERN PERIPHERY. ENVIRONMENTAL ANALYSIS REVEALS ","A MARGINAL ENVIRONMENT FOR DEVELOPMENT WITH MODERATE TO HIGH VERTICAL ","WIND SHEAR OF 20-25 KNOTS, DRY AIR ENTRAINMENT, GOOD POLEWARD UPPER-","LEVEL OUTFLOW AND WARM SEA SURFACE TEMPERATURES (SST) OF 29-30 C. ","DETERMINISTIC MODELS GENERALLY SHOW WEAK OR NO DEVELOPMENT WITH A ","SOUTHWESTWARD TRACK. THE GEFS MODEL PREDICTS WEAK DEVELOPMENT, ","WHEREAS THE ECENS MODEL SUGGESTS SLIGHTLY STRONGER DEVELOPMENT AMONG ","ITS MEMBERS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO ","28 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. ","THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE ","WITHIN THE NEXT 24 HOURS REMAINS LOW.","      (2) NO OTHER SUSPECT AREAS.","   C. SUBTROPICAL SYSTEM SUMMARY: NONE.//"]}