WTPN32 PGTW 240300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 18W (NARRA) WARNING NR 014// RMKS/ 1. TROPICAL STORM 18W (NARRA) WARNING NR 014 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 240000Z --- NEAR 20.3N 107.6E MOVEMENT PAST SIX HOURS - 240 DEGREES AT 02 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT REPEAT POSIT: 20.3N 107.6E --- FORECASTS: 12 HRS, VALID AT: 241200Z --- 19.9N 107.7E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 090 DEG/ 03 KTS --- 24 HRS, VALID AT: 250000Z --- 19.9N 108.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT 010 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 050 DEG/ 04 KTS --- 36 HRS, VALID AT: 251200Z --- 20.4N 108.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 025 DEG/ 04 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 260000Z --- 21.2N 109.3E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 60 HR POSIT: 005 DEG/ 05 KTS --- 60 HRS, VALID AT: 261200Z --- 22.1N 109.4E 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 72 HR POSIT: 340 DEG/ 04 KTS --- 72 HRS, VALID AT: 270000Z --- 22.9N 109.1E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 240300Z POSITION NEAR 20.2N 107.6E. 24AUG26. TROPICAL STORM 18W (NARRA), LOCATED APPROXIMATELY 104 NM EAST-SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED WEST-SOUTHWESTWARD AT 02 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 240000Z IS 991 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 240000Z IS 12 FEET. NEXT WARNINGS AT 240900Z, 241500Z, 242100Z AND 250300Z. REFER TO TYPHOON 17W (SAUDEL) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES. REFER TO TROPICAL DEPRESSION 19W (ATSANI) WARNINGS (WTPN33 PGTW) FOR SIX-HOURLY UPDATES.// NNNN