WTPN54 PGTW 161500 WARNING ATCG MIL 21W NWP 180816132949 2018081612 21W RUMBIA 007 03 285 07 SATL 030 T000 303N 1232E 040 R034 200 NE QD 180 SE QD 120 SW QD 130 NW QD T012 309N 1206E 040 R034 210 NE QD 100 SE QD 025 SW QD 120 NW QD T024 316N 1177E 030 T036 324N 1150E 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 007 1. TROPICAL STORM 21W (RUMBIA) WARNING NR 007 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 161200Z --- NEAR 30.3N 123.2E MOVEMENT PAST SIX HOURS - 285 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 030 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 - 200 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT REPEAT POSIT: 30.3N 123.2E --- FORECASTS: 12 HRS, VALID AT: 170000Z --- 30.9N 120.6E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 210 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 285 DEG/ 13 KTS --- 24 HRS, VALID AT: 171200Z --- 31.6N 117.7E 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: 290 DEG/ 12 KTS --- 36 HRS, VALID AT: 180000Z --- 32.4N 115.0E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 161500Z POSITION NEAR 30.5N 122.6E. TROPICAL STORM 21W (RUMBIA), LOCATED APPROXIMATELY 103 NM EAST- SOUTHEAST OF SHANGHAI, CHINA, HAS TRACKED WEST-NORTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 161200Z IS 14 FEET. NEXT WARNINGS AT 162100Z, 170300Z, 170900Z AND 171500Z. 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 301N1240E 40 2118081612 303N1232E 40 NNNN