WTPN52 PGTW 292100 WARNING ATCG MIL 21W NWP 260829193322 2026082918 21W ETAU 012 03 330 08 SATL 030 T000 307N 1649E 035 R034 120 NE QD 000 SE QD 000 SW QD 000 NW QD T012 316N 1647E 035 R034 100 NE QD 000 SE QD 000 SW QD 000 NW QD T024 329N 1656E 035 R034 070 NE QD 000 SE QD 000 SW QD 000 NW QD T036 341N 1664E 035 R034 070 NE QD 000 SE QD 000 SW QD 000 NW QD T048 350N 1671E 035 R034 070 NE QD 000 SE QD 000 SW QD 000 NW QD AMP 036HR BECOMING EXTRATROPICAL 048HR EXTRATROPICAL SUBJ: TROPICAL STORM 21W (ETAU) WARNING NR 012 1. TROPICAL STORM 21W (ETAU) WARNING NR 012 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 291800Z --- NEAR 30.7N 164.9E MOVEMENT PAST SIX HOURS - 330 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 030 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 - 120 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 30.7N 164.9E --- FORECASTS: 12 HRS, VALID AT: 300600Z --- 31.6N 164.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 030 DEG/ 08 KTS --- 24 HRS, VALID AT: 301800Z --- 32.9N 165.6E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 030 DEG/ 07 KTS --- 36 HRS, VALID AT: 310600Z --- 34.1N 166.4E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 030 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 311800Z --- 35.0N 167.1E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT --- REMARKS: 292100Z POSITION NEAR 30.9N 164.9E. 29AUG26. TROPICAL STORM 21W (ETAU), LOCATED APPROXIMATELY 690 NM NORTH OF WAKE ISLAND, HAS TRACKED NORTH-NORTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 291800Z IS 992 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 291800Z IS 25 FEET. NEXT WARNINGS AT 300300Z, 300900Z, 301500Z AND 302100Z. FOR SIX-HOURLY UPDATES.// 2126082518 167N1674E 20 2126082600 176N1675E 20 2126082606 184N1675E 25 2126082612 194N1674E 25 2126082618 199N1676E 30 2126082700 204N1677E 35 2126082706 212N1679E 40 2126082712 220N1679E 40 2126082718 230N1678E 45 2126082800 240N1675E 45 2126082806 246N1668E 45 2126082812 252N1665E 45 2126082818 258N1657E 40 2126082900 264N1658E 40 2126082906 282N1657E 40 2126082912 300N1654E 35 2126082918 307N1649E 35 NNNN