WTPN31 PGTW 180900 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TYPHOON 09W (DIANMU) WARNING NR 022 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 180600Z5 --- NEAR 19.3N3 131.3E8 MOVEMENT PAST SIX HOURS - 330 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT EXTRATROPICAL RADIUS OF 064 KT WINDS - 070 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 100 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT REPEAT POSIT: 19.3N3 131.3E8 --- FORECASTS: 12 HRS, VALID AT: 181800Z8 --- 20.9N1 130.2E6 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 064 KT WINDS - 060 NM RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 335 DEG/ 08 KTS --- 24 HRS, VALID AT: 190600Z6 --- 22.4N8 129.5E7 MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT RADIUS OF 064 KT WINDS - 050 NM RADIUS OF 050 KT WINDS - 070 NM RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 155 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 350 DEG/ 09 KTS --- 36 HRS, VALID AT: 191800Z9 --- 24.2N8 129.2E4 MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT RADIUS OF 064 KT WINDS - 050 NM RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 150 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 48 HR POSIT: 005 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 200600Z8 --- 26.5N3 129.4E6 MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT RADIUS OF 064 KT WINDS - 045 NM RADIUS OF 050 KT WINDS - 065 NM OVER WATER RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT OVER WATER 150 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 72 HR POSIT: 010 DEG/ 12 KTS --- 72 HRS, VALID AT: 210600Z9 --- 31.0N4 130.5E9 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 064 KT WINDS - 040 NM OVER WATER RADIUS OF 050 KT WINDS - 060 NM OVER WATER RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT OVER WATER 130 NM SOUTHEAST QUADRANT 145 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 96 HR POSIT: 020 DEG/ 19 KTS --- LONG RANGE OUTLOOK: NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM ON DAY 4 AND 350 NM ON DAY 5... AND FOR INTENSITY NEAR 20 KT EACH DAY. --- 96 HRS, VALID AT: 220600Z0 --- 38.1N2 133.6E3 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT BECOMING EXTRATROPICAL VECTOR TO 120 HR POSIT: 045 DEG/ 20 KTS --- 120 HRS, VALID AT: 230600Z1 --- 43.5N2 141.1E7 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT --- REMARKS: 180900Z8 POSITION NEAR 19.7N7 131.0E5. TYPHOON 09W (DIANMU), LOCATED APPROXIMATELY 450 NM SOUTH-SOUTHEAST OF OKINAWA, JAPAN, HAS TRACKED NORTH-NORTHWEST AT 10 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 180530Z7 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 127 KNOTS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY REVEALS THE SYSTEM IS UNDERGOING EYEWALL REPLACEMENT CYCLES. THE SYSTEM HAS ALSO INTENSIFIED AS IT ENTERS INTO THE SLIGHTLY WARMER WATERS OF THE KUROSHIO CURRENT. SOME INCREASED POLEWARD DIFFLUENCE IS ALSO AIDING IN THE INTENSIFICATION OF THE SYSTEM. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 180600Z5 IS 35 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 181500Z5, 182100Z2, 190300Z3 AND 190900Z9.//