WTXS32 PGTW 281500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 28S (DIANNE) WARNING NR 003// RMKS/ 1. TROPICAL CYCLONE 28S (DIANNE) WARNING NR 003 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 281200Z --- NEAR 15.6S 123.8E MOVEMENT PAST SIX HOURS - 175 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT REPEAT POSIT: 15.6S 123.8E --- FORECASTS: 12 HRS, VALID AT: 290000Z --- 17.0S 123.9E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 175 DEG/ 08 KTS --- 24 HRS, VALID AT: 291200Z --- 18.6S 124.0E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 175 DEG/ 08 KTS --- 36 HRS, VALID AT: 300000Z --- 20.1S 124.2E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 281500Z POSITION NEAR 15.9S 123.8E. 28MAR25. TROPICAL CYCLONE 28S (DIANNE), LOCATED APPROXIMATELY 166 NM NORTHEAST OF BROOME, AUSTRALIA, HAS TRACKED SOUTHWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 281200Z IS 992 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 281200Z IS 16 FEET. NEXT WARNINGS AT 282100Z, 290300Z, 290900Z AND 291500Z. REFER TO TROPICAL CYCLONE 27S (COURTNEY) WARNINGS (WTXS31 PGTW) FOR TWELVE-HOURLY UPDATES.// NNNN