WTPN54 PGTW 150900 WARNING ATCG MIL 21W NWP 180815081532 2018081506 21W RUMBIA 002 04 340 12 SATL RADR 030 T000 281N 1269E 030 T012 296N 1257E 030 T024 302N 1240E 035 R034 200 NE QD 220 SE QD 085 SW QD 120 NW QD T036 305N 1218E 045 R034 225 NE QD 155 SE QD 075 SW QD 175 NW QD T048 309N 1189E 030 T072 319N 1168E 020 AMP 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 072HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL DEPRESSION 21W (RUMBIA) WARNING NR 002 1. TROPICAL DEPRESSION 21W (RUMBIA) WARNING NR 002 04 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 150600Z --- NEAR 28.1N 126.9E MOVEMENT PAST SIX HOURS - 340 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 28.1N 126.9E --- FORECASTS: 12 HRS, VALID AT: 151800Z --- 29.6N 125.7E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 295 DEG/ 08 KTS --- 24 HRS, VALID AT: 160600Z --- 30.2N 124.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT 220 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 280 DEG/ 10 KTS --- 36 HRS, VALID AT: 161800Z --- 30.5N 121.8E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 225 NM NORTHEAST QUADRANT 155 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 175 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 280 DEG/ 13 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 170600Z --- 30.9N 118.9E 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 72 HR POSIT: 300 DEG/ 05 KTS --- 72 HRS, VALID AT: 180600Z --- 31.9N 116.8E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 150900Z POSITION NEAR 28.5N 126.6E. TROPICAL DEPRESSION 21W (RUMBIA), LOCATED APPROXIMATELY 107 NM NORTH-NORTHWEST OF KADENA AB, HAS TRACKED NORTH-NORTHWESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 150600Z IS 8 FEET. NEXT WARNINGS AT 151500Z, 152100Z, 160300Z AND 160900Z. 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 NNNN