WTPN52 PGTW 152100 WARNING ATCG MIL 23W NWP 211015195455 2021101518 23W NAMTHEUN 024 01 040 11 SATL 040 T000 279N 1631E 050 R050 020 NE QD 025 SE QD 015 SW QD 000 NW QD R034 080 NE QD 100 SE QD 080 SW QD 050 NW QD T012 300N 1645E 045 R034 080 NE QD 100 SE QD 040 SW QD 030 NW QD T024 320N 1656E 045 R034 090 NE QD 100 SE QD 040 SW QD 050 NW QD T036 345N 1658E 040 R034 100 NE QD 090 SE QD 040 SW QD 050 NW QD T048 373N 1667E 035 R034 080 NE QD 090 SE QD 040 SW QD 035 NW QD T072 442N 1765E 030 AMP 036HR BECOMING EXTRATROPICAL 048HR BECOMING EXTRATROPICAL 072HR EXTRATROPICAL SUBJ: TROPICAL STORM 23W (NAMTHEUN) WARNING NR 024 1. TROPICAL STORM 23W (NAMTHEUN) WARNING NR 024 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 151800Z --- NEAR 27.9N 163.1E MOVEMENT PAST SIX HOURS - 040 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 040 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 - 020 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 015 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT REPEAT POSIT: 27.9N 163.1E --- FORECASTS: 12 HRS, VALID AT: 160600Z --- 30.0N 164.5E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 025 DEG/ 11 KTS --- 24 HRS, VALID AT: 161800Z --- 32.0N 165.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 005 DEG/ 13 KTS --- 36 HRS, VALID AT: 170600Z --- 34.5N 165.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 015 DEG/ 14 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 171800Z --- 37.3N 166.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 045 DEG/ 25 KTS --- 72 HRS, VALID AT: 181800Z --- 44.2N 176.5E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 152100Z POSITION NEAR 28.4N 163.4E. 15OCT21. TROPICAL STORM 23W (NAMTHEUN), LOCATED APPROXIMATELY 538 NM EAST-NORTHEAST OF MINAMI TORI SHIMA, HAS TRACKED NORTHEASTWARD AT 11 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 151800Z IS 17 FEET. NEXT WARNINGS AT 160300Z, 160900Z, 161500Z AND 162100Z. // 2321100718 142N1671E 15 2321100800 145N1664E 15 2321100806 148N1658E 15 2321100812 151N1651E 15 2321100818 154N1643E 15 2321100900 160N1637E 20 2321100906 164N1628E 20 2321100912 166N1620E 20 2321100918 168N1615E 20 2321101000 170N1603E 30 2321101006 172N1599E 35 2321101012 174N1595E 40 2321101018 180N1584E 45 2321101100 182N1574E 50 2321101100 182N1574E 50 2321101106 185N1561E 45 2321101112 186N1551E 45 2321101118 189N1541E 45 2321101200 191N1530E 40 2321101206 193N1522E 40 2321101212 199N1518E 35 2321101218 207N1519E 35 2321101300 216N1523E 30 2321101306 224N1529E 30 2321101312 231N1539E 30 2321101318 236N1547E 30 2321101400 240N1561E 35 2321101406 242N1572E 35 2321101412 245N1580E 35 2321101418 251N1590E 35 2321101500 256N1600E 40 2321101506 263N1614E 50 2321101512 271N1623E 50 2321101518 279N1631E 50 2321101518 279N1631E 50 NNNN