MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/060451Z SEP 15// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT// RMKS/ 1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 001 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 061800Z --- NEAR 21.9N 139.0E MOVEMENT PAST SIX HOURS - 355 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 21.9N 139.0E --- FORECASTS: 12 HRS, VALID AT: 070600Z --- 23.5N 138.6E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 350 DEG/ 09 KTS --- 24 HRS, VALID AT: 071800Z --- 25.3N 138.2E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 350 DEG/ 10 KTS --- 36 HRS, VALID AT: 080600Z --- 27.3N 137.9E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 355 DEG/ 13 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 081800Z --- 29.9N 137.6E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 330 DEG/ 12 KTS --- 72 HRS, VALID AT: 091800Z --- 34.0N 134.7E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 96 HR POSIT: 280 DEG/ 06 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 101800Z --- 34.4N 132.0E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 062100Z POSITION NEAR 22.3N 138.9E. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED APPROXIMATELY 215 NM SOUTHWEST OF IWO TO, JAPAN, HAS TRACKED NORTHWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 061800Z IS 10 FEET. NEXT WARNINGS AT 070300Z, 070900Z, 071500Z AND 072100Z. REFER TO HURRICANE 03C (KILO) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES. THIS WARNING SUPERSEDES AND CANCELS REF A (WTPN21 PGTW 060500).// NNNN NNNN