WTPN32 PGTW 120900 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TYPHOON 08W (CHANTHU) WARNING NR 014 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 120600Z9 --- NEAR 14.1N6 110.2E4 MOVEMENT PAST SIX HOURS - 280 DEGREES AT 15 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT 015 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT OVER WATER REPEAT POSIT: 14.1N6 110.2E4 --- FORECASTS: 12 HRS, VALID AT: 121800Z2 --- 14.8N3 108.1E0 MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT OVER WATER 065 NM SOUTHEAST QUADRANT OVER WATER 055 NM SOUTHWEST QUADRANT OVER WATER 055 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 24 HR POSIT: 300 DEG/ 07 KTS --- 24 HRS, VALID AT: 130600Z0 --- 15.5N1 106.8E5 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 310 DEG/ 06 KTS --- 36 HRS, VALID AT: 131800Z3 --- 16.3N0 105.8E4 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 120900Z2 POSITION NEAR 14.3N8 109.7E7. TYPHOON (TY) 08W (CHANTHU) LOCATED APPROXIMATELY 200 NM SOUTHEAST OF HUE, VIETNAM HAS TRACKED WESTWARD AT 15 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 120530Z1 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 65 AND 77 KNOTS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY REVEALS TY 08W CONTINUES TO INTENSIFY AS IT MOVES TOWARDS LAND. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 120600Z9 IS 18 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 121500Z9, 122100Z6, 130300Z7 AND 130900Z3.//