WTPN32 PGTW 251500 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TYPHOON 21W (PARMA) WARNING NR 021 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 251200Z0 --- NEAR 27.5N4 167.4E8 MOVEMENT PAST SIX HOURS - 125 DEGREES AT 21 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT RADIUS OF 100 KT WINDS - 030 NM RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT REPEAT POSIT: 27.5N4 167.4E8 --- FORECASTS: 12 HRS, VALID AT: 260000Z8 --- 24.8N4 170.0E8 MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 100 KT WINDS - 025 NM RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 145 DEG/ 15 KTS --- 24 HRS, VALID AT: 261200Z1 --- 22.4N8 171.8E7 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 034 KT WINDS - 135 NM VECTOR TO 36 HR POSIT: 180 DEG/ 15 KTS --- 36 HRS, VALID AT: 270000Z9 --- 19.4N4 171.9E8 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 060 NM RADIUS OF 034 KT WINDS - 120 NM VECTOR TO 48 HR POSIT: 205 DEG/ 15 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 271200Z2 --- 16.7N4 170.5E3 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 050 KT WINDS - 040 NM RADIUS OF 034 KT WINDS - 080 NM VECTOR TO 72 HR POSIT: 245 DEG/ 14 KTS --- 72 HRS, VALID AT: 281200Z3 --- 14.2N7 165.5E7 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 251500Z3 POSITION NEAR 26.8N6 168.1E6. TYPHOON (TY) 21W (PARMA), LOCATED APPROXIMATELY 495 NM NORTH OF WAKE ISLAND, HAS TRACKED SOUTHEASTWARD AT 21 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 251130Z2 ENHANCED INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 115 KNOTS. RECENT INFRARED SATELLITE IMAGERY SHOWS THAT 21W HAS LOST ITS IRREGULAR EYE. DESPITE ITS HIGH LATITUDE, IT CONTINUES TO EXPERIENCE RADIAL OUTFLOW AND BURSTS OF NEW CONVECTION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 251200Z9 IS 29 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 252100Z0, 260300Z1, 260900Z7 AND 261500Z4. REFER TO TYPHOON 20W (KETSANA) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN