SUBJ: TROPICAL STORM 12W (KROVANH) WARNING NR 016 WTPN31 PGTW 312100 1. TROPICAL STORM 12W (KROVANH) WARNING NR 016 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 311800Z --- NEAR 38.4N 142.9E MOVEMENT PAST SIX HOURS - 025 DEGREES AT 24 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT REPEAT POSIT: 38.4N 142.9E --- FORECASTS: 12 HRS, VALID AT: 010600Z --- 42.1N 147.0E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL VECTOR TO 24 HR POSIT: 075 DEG/ 29 KTS --- 24 HRS, VALID AT: 011800Z --- 43.5N 154.7E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 312100Z POSITION NEAR 39.3N 143.9E. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER (NAVMARFCSTCEN). THE SYSTEM WILL BE CLOSELY MONI- TORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 311800Z IS 18 FEET. REFER TO TROPICAL DEPRESSION 02C (TWO) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. // BT #0001 NNNN