WTPN32 PGTW 202100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 18W (EIGHTEEN) WARNING NR 007// RMKS/ 1. TROPICAL STORM 18W (EIGHTEEN) WARNING NR 007 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 201800Z --- NEAR 31.8N 128.9E MOVEMENT PAST SIX HOURS - 040 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 040 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 - 030 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 31.8N 128.9E --- FORECASTS: 12 HRS, VALID AT: 210600Z --- 32.3N 129.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 075 DEG/ 04 KTS --- 24 HRS, VALID AT: 211800Z --- 32.5N 130.6E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 070 DEG/ 04 KTS --- 36 HRS, VALID AT: 220600Z --- 32.8N 131.6E 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: 065 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 221800Z --- 33.2N 132.7E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 202100Z POSITION NEAR 31.9N 129.1E. 20AUG25. TROPICAL STORM 18W (EIGHTEEN), LOCATED APPROXIMATELY 88 NM SOUTH-SOUTHWEST OF SASEBO, JAPAN, HAS TRACKED NORTHEASTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 201800Z IS 1002 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 12 FEET. NEXT WARNINGS AT 210300Z, 210900Z, 211500Z AND 212100Z.// NNNN