WTPN31 PGTW 130900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 16W (NANGKA) WARNING NR 004// RMKS/ 1. TROPICAL STORM 16W (NANGKA) WARNING NR 004 UPGRADED FROM TROPICAL DEPPRESSION 16W 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 130600Z --- NEAR 27.8N 149.9E MOVEMENT PAST SIX HOURS - 050 DEGREES AT 21 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 27.8N 149.9E --- FORECASTS: 12 HRS, VALID AT: 131800Z --- 28.9N 152.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 070 DEG/ 07 KTS --- 24 HRS, VALID AT: 140600Z --- 29.4N 153.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 36 HR POSIT: 070 DEG/ 05 KTS --- 36 HRS, VALID AT: 141800Z --- 29.7N 154.8E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 48 HR POSIT: 045 DEG/ 03 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 150600Z --- 30.1N 155.3E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 130900Z POSITION NEAR 28.1N 150.5E. 13AUG26. TROPICAL STORM 16W (NANGKA), LOCATED APPROXIMATELY 496 NM EAST-NORTHEAST OF IWO TO, HAS TRACKED NORTHEASTWARD AT 21 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 130600Z IS 995 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 130600Z IS 13 FEET. NEXT WARNINGS AT 131500Z, 132100Z, 140300Z AND 140900Z. REFER TO TROPICAL DEPRESSION 13W (PEILOU) WARNINGS (WTPN32 PGTW)FOR SIX-HOURLY UPDATES.// NNNN