WTPN54 PGTW 162100 WARNING ATCG MIL 21W NWP 180816201309 2018081618 21W RUMBIA 008 03 265 12 SATL 060 T000 303N 1218E 050 R050 050 NE QD 035 SE QD 035 SW QD 050 NW QD R034 190 NE QD 125 SE QD 090 SW QD 145 NW QD T012 309N 1188E 045 R034 160 NE QD 090 SE QD 040 SW QD 090 NW QD T024 315N 1162E 035 T036 321N 1141E 020 AMP 024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 036HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL STORM 21W (RUMBIA) WARNING NR 008 1. TROPICAL STORM 21W (RUMBIA) WARNING NR 008 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 161800Z --- NEAR 30.3N 121.8E MOVEMENT PAST SIX HOURS - 265 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 145 NM NORTHWEST QUADRANT REPEAT POSIT: 30.3N 121.8E --- FORECASTS: 12 HRS, VALID AT: 170600Z --- 30.9N 118.8E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 285 DEG/ 12 KTS --- 24 HRS, VALID AT: 171800Z --- 31.5N 116.2E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 290 DEG/ 09 KTS --- 36 HRS, VALID AT: 180600Z --- 32.1N 114.1E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 162100Z POSITION NEAR 30.5N 121.0E. TROPICAL STORM 21W (RUMBIA), LOCATED APPROXIMATELY 56 NM SOUTH- SOUTHEAST OF SHANGHAI, CHINA, HAS TRACKED WESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 161800Z IS 16 FEET. NEXT WARNINGS AT 170300Z, 170900Z, 171500Z AND 172100Z. 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 297N1253E 35 2118081600 299N1247E 35 2118081606 301N1241E 40 2118081612 304N1232E 40 2118081618 303N1218E 50 2118081618 303N1218E 50 NNNN