WTPN31 PGTW 031500 1. TROPICAL DEPRESSION 16W WARNING NR 006 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 031200Z6 --- NEAR 21.1N4 115.1E8 MOVEMENT PAST SIX HOURS - 275 DEGREES AT 13 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: 21.1N4 115.1E8 --- FORECASTS: 12 HRS, VALID AT: 040000Z4 --- 21.4N7 114.5E1 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 24 HR POSIT: 340 DEG/ 04 KTS --- 24 HRS, VALID AT: 041200Z7 --- 22.1N5 114.2E8 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT OVER WATER 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 36 HR POSIT: 005 DEG/ 05 KTS --- 36 HRS, VALID AT: 050000Z5 --- 23.1N6 114.3E9 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 48 HR POSIT: 010 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 051200Z8 --- 24.1N7 114.5E1 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 72 HR POSIT: 030 DEG/ 05 KTS --- 72 HRS, VALID AT: 061200Z9 --- 25.7N4 115.5E2 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 031500Z9 POSITION NEAR 21.2N5 115.0E7. TROPICAL DEPRESSION (TD) 16W, LOCATED 90 NM SOUTHEAST OF HONG KONG, CHINA, HAS TRACKED WESTWARD AT 13 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 031130Z8 ENHANCED INFRARED SATELLITE IMAGERY AND SURFACE OBSERVATIONS. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 30 AND 35 KNOTS. A 031216Z0 SSM/I PASS DEPICTS THE LOW LEVEL CIRCULATION ON THE NORTHERN EDGE OF THE DEEP CONVECTION. ANIMATED INFRARED SATELLITE IMAGERY INDICATES IMPROVING CONSOLIDATION OF THE SYSTEM OVER THE LLCC OVER THE LAST 6 HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 031200Z6 IS 12 FEET. REFER TO WWPN31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 032100Z6, 040300Z7, 040900Z3 AND 041500Z0.// NNNN