{"ObservationDate":"2026-05-26T15:00:00","Latitude":8.7,"Longitude":137.2,"Windspeed":23.0,"Pressure":1005.0,"Identifier":"INVEST 99W","PotentialStatus":"UPGRADED TO HIGH","OriginalBulletin":["ABPW10 PGTW 261500","MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//","SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH ","PACIFIC OCEANS REISSUED/261500Z-270600ZMAY2026//","REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/261451ZMAY2026//","AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//","RMKS/","   B. TROPICAL DISTURBANCE SUMMARY:","      (1) THE AREA OF CONVECTION (INVEST 99W) PREVIOUSLY LOCATED NEAR ","8.3N 138.5E IS NOW LOCATED NEAR 8.7N 137.2E, APPROXIMATELY 77 NM ","SOUTHWEST OF YAP. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND A ","PARTIAL 261216Z ASCAT PASS DEPICT A SWATH OF 25 KT WINDS ON THE WESTERN ","AND SOUTHERN PERIPHERIES OF AN ELONGATED AREA OF ROTATION WHICH EXTENDS ","FROM THE LOW LEVEL CIRCULATION CENTER (LLCC) TOWARDS THE SOUTHWEST ","TOWARDS PALAU. ENVIRONMENTAL ANALYSIS REVEALS A FAVORABLE ENVIRONMENT ","FOR DEVELOPMENT WITH MODERATE POLEWARD UPPER-LEVEL OUTFLOW, LOW TO ","MODERATE VERTICAL WIND SHEAR (10-15 KTS), AND WARM SEA SURFACE ","TEMPERATURES (29-30 C). GLOBAL DETERMINISTIC AND ENSEMBLE MODELS AGREE ","ON 99W TRACKING GENERALLY NORTHWESTWARD OVER THE NEXT 24-48 HOURS AS IT ","CONTINUES TO CONSOLIDATE AND STEADILY INTENSIFY. MAXIMUM SUSTAINED ","SURFACE WINDS ARE ESTIMATED AT 18 TO 23 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 ","IS UPGRADED TO HIGH. SEE REF A (WTPN21 PGTW 261500) FOR FURTHER DETAILS.","      (2) NO OTHER SUSPECT AREAS.","   C. SUBTROPICAL SYSTEM SUMMARY: NONE.","   B. TROPICAL DISTURBANCE SUMMARY: NONE.","   C. SUBTROPICAL SYSTEM SUMMARY: NONE.","3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA. 1.B.(1) TO HIGH.//"]}