WTPN31 PGTW 251500 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL DEPRESSION 17W WARNING NR 005 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 251200Z0 --- NEAR 17.0N8 136.0E0 MOVEMENT PAST SIX HOURS - 360 DEGREES AT 03 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT REPEAT POSIT: 17.0N8 136.0E0 --- FORECASTS: 12 HRS, VALID AT: 260000Z8 --- 17.7N5 136.1E1 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 24 HR POSIT: 025 DEG/ 07 KTS --- 24 HRS, VALID AT: 261200Z1 --- 19.0N0 136.8E8 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 030 DEG/ 08 KTS --- 36 HRS, VALID AT: 270000Z9 --- 20.4N6 137.6E7 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 035 NM RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 030 DEG/ 07 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 271200Z2 --- 21.7N0 138.4E6 MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 025 DEG/ 07 KTS --- 72 HRS, VALID AT: 281200Z3 --- 24.2N8 139.6E9 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 145 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT 145 NM NORTHWEST QUADRANT --- REMARKS: 251500Z3 POSITION NEAR 17.2N0 136.0E0. TROPICAL DEPRESSION (TD) 17W, LOCATED APPROXIMATELY 740 NM SOUTHEAST OF OKINAWA, HAS REMAINED QUASISTATIONARY OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 251130Z2 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 25 AND 30 KNOTS. ANIMATED SATELLITE IMAGERY AND A 250914Z1 SPECIAL SENSOR MICROWAVE IMAGERY (SSMI) CONTINUE TO DEPICT A BROAD CIRCULATION WITHIN A MONSOON TROUGH. A TUTT CELL TO THE NORTH-NORTHEAST CONTINUES TO SUPRESS DEVELOPMENT AND CURB DEEP CONVECTIVE ACTIVITY ON THE POLEWARD SIDE. ADDITIONALLY, A RECENT TROPICAL RAINFALL MEASURING MISSION SUGGESTED A SECOND CIRCULATION TO THE NORTHEAST OF THE CURRENT BEST TRACK POSITION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 251200Z0 IS 12 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 252100Z0, 260300Z1, 260900Z7 AND 261500Z4.// NNNN