WTPN32 PGTW 221500 1. TYPHOON 04W (CHEBI) WARNING NR 012 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 221200Z7 --- NEAR 20.4N6 121.1E5 MOVEMENT PAST SIX HOURS - 310 DEGREES AT 16 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 055 NM RADIUS OF 035 KT WINDS - 135 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT OVER WATER REPEAT POSIT: 20.4N6 121.1E5 --- FORECASTS: 12 HRS, VALID AT: 230000Z5 --- 22.8N2 119.2E3 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 060 NM OVER WATER RADIUS OF 035 KT WINDS - 140 NM NORTHEAST QUADRANT OVER WATER 120 NM SOUTHEAST QUADRANT OVER WATER 120 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 335 DEG/ 12 KTS --- 24 HRS, VALID AT: 231200Z8 --- 25.0N7 118.0E0 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 050 NM OVER WATER RADIUS OF 035 KT WINDS - 135 NM NORTHEAST QUADRANT OVER WATER 135 NM SOUTHEAST QUADRANT OVER WATER 115 NM SOUTHWEST QUADRANT OVER WATER 115 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 36 HR POSIT: 345 DEG/ 10 KTS --- 36 HRS, VALID AT: 240000Z6 --- 26.9N7 117.5E4 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 48 HR POSIT: 350 DEG/ 09 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 241200Z9 --- 28.6N6 117.1E0 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 72 HR POSIT: 360 DEG/ 09 KTS --- 72 HRS, VALID AT: 251200Z0 --- 32.1N6 117.1E0 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 221500Z0 POSITION NEAR 21.0N3 120.6E9. TYPHOON (TY) 04W, LOCATED APPROXIMATELY 125 NM NORTH-NORTHWEST OF PORT SAN VICENTE, HAS TRACKED NORTHWESTWARD AT 16 KNOTS DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 221130Z9 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT INTENSITY ESTIMATES OF 65 and 77 KNOTS. THE SYSTEM WILL TRACK GENERALLY NORTHWESTWARD AND INTENSIFY SLIGHTLY OVER THE NEXT 24 HOURS JUST BEFORE MAKING LANDFALL AT THE 24 HOUR FORECAST PERIOD. THE SYSTEM IS THEN FORECASTED TO DISSIPATE OVER LAND AS IT CONTINUES THROUGH THE FORECAST PERIOD. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221200Z7 IS 24 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 222100Z7, 230300Z8, 230900Z4 AND 231500Z1.// NNNN