WTPN53 PGTW 070900 WARNING ATCG MIL 15W NWP 210807070510 2021080706 15W NIDA 012 03 075 19 SATL 020 T000 391N 1603E 045 R034 125 NE QD 160 SE QD 135 SW QD 080 NW QD T012 397N 1658E 040 R034 050 NE QD 130 SE QD 130 SW QD 000 NW QD T024 406N 1724E 035 R034 020 NE QD 140 SE QD 130 SW QD 000 NW QD AMP 000HR BECOMING EXTRATROPICAL 012HR EXTRATROPICAL 024HR EXTRATROPICAL SUBJ: TROPICAL STORM 15W (NIDA) WARNING NR 012 1. TROPICAL STORM 15W (NIDA) WARNING NR 012 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 070600Z --- NEAR 39.1N 160.3E MOVEMENT PAST SIX HOURS - 075 DEGREES AT 19 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 135 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT REPEAT POSIT: 39.1N 160.3E --- FORECASTS: 12 HRS, VALID AT: 071800Z --- 39.7N 165.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 080 DEG/ 26 KTS --- 24 HRS, VALID AT: 080600Z --- 40.6N 172.4E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT --- REMARKS: 070900Z POSITION NEAR 39.3N 161.7E. 07AUG21. TROPICAL STORM 15W (NIDA), LOCATED APPROXIMATELY 883 NM EAST OF MISAWA, JAPAN, HAS TRACKED EAST-NORTHEASTWARD AT 19 KNOTS OVER THE PAST SIX HOURS. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 070600Z IS 22 FEET. REFER TO TROPICAL STORM 13W UPDATES.// 1521080218 201N1422E 15 1521080300 206N1429E 15 1521080306 213N1438E 15 1521080312 221N1449E 15 1521080318 228N1458E 15 1521080400 252N1470E 20 1521080406 274N1477E 20 1521080412 288N1480E 35 1521080418 302N1477E 35 1521080500 315N1477E 40 1521080506 325N1477E 40 1521080512 336N1482E 40 1521080518 344N1487E 40 1521080600 354N1499E 50 1521080600 354N1499E 50 1521080606 362N1513E 55 1521080606 362N1513E 55 1521080612 369N1532E 55 1521080612 369N1532E 55 1521080618 378N1553E 55 1521080618 378N1553E 55 1521080700 387N1579E 55 1521080700 387N1579E 55 1521080706 391N1603E 45 NNNN