WTPN31 PGTW 171400 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/162051NOV2017// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. TROPICAL DEPRESSION 31W (THIRTYONE) WARNING NR 001 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 171200Z --- NEAR 10.2N 118.1E MOVEMENT PAST SIX HOURS - 310 DEGREES AT 16 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 10.2N 118.1E --- FORECASTS: 12 HRS, VALID AT: 180000Z --- 10.9N 115.4E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 285 DEG/ 12 KTS --- 24 HRS, VALID AT: 181200Z --- 11.5N 113.1E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 280 DEG/ 11 KTS --- 36 HRS, VALID AT: 190000Z --- 11.8N 110.8E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 280 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 191200Z --- 12.2N 108.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 72 HR POSIT: 270 DEG/ 09 KTS --- 72 HRS, VALID AT: 201200Z --- 12.1N 104.9E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 171500Z POSITION NEAR 10.4N 117.4E. TROPICAL DEPRESSION 31W (THIRTYONE), LOCATED APPROXIMATELY 50 NM NORTHWEST OF PUERTO PRINCESA, PALAWAN, PHILIPPINES, HAS TRACKED NORTHWESTWARD AT 16 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 171200Z IS 8 FEET. NEXT WARNINGS AT 172100Z, 180300Z, 180900Z AND 181500Z. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 162100).//