WTPH20 RPMM 281800 SECURITE TROPICAL CYCLONE WARNING FOR SHIPPING NR. 01 ISSUED AT 1800UTC, 28 MAY 2026 BY DOST-PAGASA, PHILIPPINES TROPICAL STORM JANGMI (2606) 998HPA AT 1800UTC, PSTN 14.6N 134.6E MOV NW 10KT MXWD 40KT NEAR CTR 34KT 140NM NE 170NM SE 110NM SW 110NM NW QUAD 12-HOUR FCST VLD AT 290600UTC PSTN 15.8N 132.8E, PRES 990HPA, MWXD 50KT 24-HOUR FCST VLD AT 291800UTC PSTN 16.9N 131.2E, PRES 980HPA, MWXD 60KT 36-HOUR FCST VLD AT 300600UTC PSTN 18.1N 129.8E, PRES 975HPA, MWXD 65KT 48-HOUR FCST VLD AT 301800UTC PSTN 19.7N 128.5E, PRES 965HPA, MWXD 75KT 60-HOUR FCST VLD AT 310600UTC PSTN 21.3N 127.9E, PRES 955HPA, MWXD 85KT 72-HOUR FCST VLD AT 311800UTC PSTN 22.9N 127.3E, PRES 955HPA, MWXD 85KT 96-HOUR FCST VLD AT 011800UTC PSTN 27.5N 128.0E, PRES 965HPA, MWXD 75KT ALL VESSELS WITHIN 300 NM OF 14.6N 134.6E, SEND 3-HOURLY WX REPORTS. NEXT WARNING 290000UTC WEATHER MANILA=