WTPN54 PGTW 160900 WARNING ATCG MIL 21W NWP 180816073542 2018081606 21W RUMBIA 006 03 290 06 SATL 030 T000 301N 1240E 040 R034 185 NE QD 175 SE QD 085 SW QD 100 NW QD T012 306N 1218E 040 R034 195 NE QD 140 SE QD 065 SW QD 140 NW QD T024 313N 1188E 030 T036 321N 1159E 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 006 1. TROPICAL STORM 21W (RUMBIA) WARNING NR 006 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 160600Z --- NEAR 30.1N 124.0E MOVEMENT PAST SIX HOURS - 290 DEGREES AT 06 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 - 185 NM NORTHEAST QUADRANT 175 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 30.1N 124.0E --- FORECASTS: 12 HRS, VALID AT: 161800Z --- 30.6N 121.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 195 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 285 DEG/ 13 KTS --- 24 HRS, VALID AT: 170600Z --- 31.3N 118.8E 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/ 13 KTS --- 36 HRS, VALID AT: 171800Z --- 32.1N 115.9E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 160900Z POSITION NEAR 30.2N 123.5E. TROPICAL STORM 21W (RUMBIA), LOCATED APPROXIMATELY 145 NM EAST- SOUTHEAST OF SHANGHAI, CHINA, HAS TRACKED WEST-NORTHWESTWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 160600Z IS 14 FEET. NEXT WARNINGS AT 161500Z, 162100Z, 170300Z AND 170900Z. 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 NNNN