WTPN32 PGTW 260300 MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 04W (NANGKA) WARNING NR 015 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 260000Z --- NEAR 19.2N 116.3E MOVEMENT PAST SIX HOURS - 320 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT REPEAT POSIT: 19.2N 116.3E --- FORECASTS: 12 HRS, VALID AT: 261200Z --- 20.7N 115.5E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 355 DEG/ 08 KTS --- 24 HRS, VALID AT: 270000Z --- 22.3N 115.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 010 DEG/ 07 KTS --- 36 HRS, VALID AT: 271200Z --- 23.6N 115.6E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 48 HR POSIT: 030 DEG/ 06 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 280000Z --- 24.7N 116.3E MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 260300Z POSITION NEAR 19.6N 116.1E. TROPICAL STORM (TS) 04W (NANGKA) LOCATED APPROXIMATELY 210 NM SOUTH- SOUTHEAST OF HONG KONG, HAS TRACKED NORTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. THE SYSTEM HAS MAINTAINED INTENSITY DESPITE ENDURING HIGH VERTICAL WIND SHEAR OF 30 TO 35 KNOTS. MAXIMUM SIGNI- FICANT WAVE HEIGHT AT 260000Z IS 13 FEET. NEXT WARNINGS AT 260900Z, 261500Z, 262100Z AND 270300Z.// NNNN