WTPN54 PGTW 152100 WARNING ATCG MIL 21W NWP 180815194920 2018081518 21W RUMBIA 004 05 310 09 SATL 040 T000 297N 1251E 035 R034 105 NE QD 190 SE QD 000 SW QD 000 NW QD T012 304N 1235E 035 R034 155 NE QD 180 SE QD 025 SW QD 120 NW QD T024 309N 1214E 040 R034 180 NE QD 165 SE QD 015 SW QD 135 NW QD T036 317N 1183E 030 T048 323N 1157E 020 AMP 036HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 048HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL STORM 21W (RUMBIA) WARNING NR 004 1. TROPICAL STORM 21W (RUMBIA) WARNING NR 004 05 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 151800Z --- NEAR 29.7N 125.1E MOVEMENT PAST SIX HOURS - 310 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 040 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 - 105 NM NORTHEAST QUADRANT 190 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 29.7N 125.1E --- FORECASTS: 12 HRS, VALID AT: 160600Z --- 30.4N 123.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 285 DEG/ 09 KTS --- 24 HRS, VALID AT: 161800Z --- 30.9N 121.4E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 290 DEG/ 14 KTS --- 36 HRS, VALID AT: 170600Z --- 31.7N 118.3E 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 48 HR POSIT: 285 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 171800Z --- 32.3N 115.7E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 152100Z POSITION NEAR 29.9N 124.7E. TROPICAL STORM 21W (RUMBIA), LOCATED APPROXIMATELY 239 NM NORTHWEST OF KADENA AB, HAS TRACKED NORTHWESTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 151800Z IS 14 FEET. NEXT WARNINGS AT 160300Z, 160900Z, 161500Z AND 162100Z. FOR SIX-HOURLY UPDATES. FOR SIX-HOURLY UPDATES. FOR SIX-HOURLY UPDATES. FOR SIX-HOURLY UPDATES. // 2118081300 216N1302E 15 2118081306 218N1296E 15 2118081312 221N1290E 15 2118081318 224N1286E 15 2118081400 232N1279E 15 2118081406 240N1274E 15 2118081412 248N1270E 15 2118081418 257N1274E 30 2118081500 270N1274E 30 2118081506 281N1269E 30 2118081512 291N1259E 35 2118081518 297N1251E 35 NNNN