UNCLAS //N03145// MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ WTPN32 PGTW 230900 1. TYPHOON 04W (CHAN-HOM) WARNING NR 018 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 230600Z1 --- NEAR 15.6N2 151.1E8 MOVEMENT PAST SIX HOURS - 360 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 035 NM RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 15.6N2 151.1E8 --- FORECASTS: 12 HRS, VALID AT: 231800Z4 --- 17.0N8 150.8E4 MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 040 NM RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 360 DEG/ 08 KTS --- 24 HRS, VALID AT: 240600Z2 --- 18.6N5 150.9E5 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT 105 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 035 DEG/ 10 KTS --- 36 HRS, VALID AT: 241800Z5 --- 20.2N4 152.0E8 MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 030 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 250600Z3 --- 22.1N5 153.1E0 MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 095 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 030 DEG/ 16 KTS --- 72 HRS, VALID AT: 260600Z4 --- 27.5N4 156.5E7 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT --- REMARKS: 230900Z4 POSITION NEAR 15.9N5 151.0E7. TYPHOON (TY) 04W (CHAN-HOM), LOCATED APPROXIMATELY 380 NM EAST-NORTHEAST OF GUAM, HAS TRACKED NORTHWARD AT 07 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 230530Z3 ENHANCED INFRARED AND VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 90 TO 102 KNOTS. SATELLITE IMAGERY DEPICTS A 20 NM DIAMETER EYE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 230600Z1 IS 24 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 231500Z1, 232100Z8, 240300Z9 AND 240900Z5. RELEASED BY LT BRYANT, USN.// NNNN