WTPN53 PGTW 020300 WARNING ATCG MIL 20W NWP 221002012111 2022100200 20W ROKE 016 01 065 21 SATL 060 T000 363N 1525E 055 R050 040 NE QD 035 SE QD 035 SW QD 035 NW QD R034 120 NE QD 070 SE QD 040 SW QD 105 NW QD T012 371N 1554E 050 R050 010 NE QD 000 SE QD 020 SW QD 020 NW QD R034 250 NE QD 080 SE QD 110 SW QD 130 NW QD T024 372N 1574E 045 R034 250 NE QD 040 SE QD 110 SW QD 140 NW QD AMP 000HR BECOMING EXTRATROPICAL 012HR EXTRATROPICAL 024HR EXTRATROPICAL SUBJ: TROPICAL STORM 20W (ROKE) WARNING NR 016 1. TROPICAL STORM 20W (ROKE) WARNING NR 016 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 020000Z --- NEAR 36.3N 152.5E MOVEMENT PAST SIX HOURS - 065 DEGREES AT 21 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT REPEAT POSIT: 36.3N 152.5E --- FORECASTS: 12 HRS, VALID AT: 021200Z --- 37.1N 155.4E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 050 KT WINDS - 010 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 250 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 085 DEG/ 08 KTS --- 24 HRS, VALID AT: 030000Z --- 37.2N 157.4E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 250 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT --- REMARKS: 020300Z POSITION NEAR 36.5N 153.2E. 02OCT22. TROPICAL STORM 20W (ROKE), LOCATED APPROXIMATELY 585 NM EAST- SOUTHEAST OF MISAWA, JAPAN, HAS TRACKED EAST-NORTHEASTWARD AT 21 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A RAPIDLY DETERIORATING SYSTEM, WITH A PARTIALLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC), RAPIDLY TRANSITING EAST-NORTHEASTWARD ALONG THE NORTHWEST PERIPHERY OF A DEEP SUBTROPICAL RIDGE (STR) TO THE SOUTHEAST. A 012308Z ASCAT INDICATED A HIGHLY ASYMMETRICAL WIND FIELD, WITH WINDS UP TO 55 KNOTS IN THE SOUTHWESTERN QUADRANT OF THE CIRCULATION AND LESS THAN 35 KNOTS IN THE EASTERN QUADRANT. THE INITIAL POSITION AND INTENSITY ARE ASSESSED WITH HIGH CONFIDENCE BASED ON THE SCATTEROMETER DATA. THE JTWC MANUAL AND AUTOMATED PHASE CLASSIFICATION INDICATE THE SYSTEM IS CURRENTLY BECOMING A HYBRID TROPICAL-SUBTROPICAL CYCLONE, WITH CHARACTERISTICS OF BOTH A TROPICAL CYCLONE, SUCH AS A WARM CORE, AND AN EXTRATROPICAL CYCLONE, WITH UPPER-LEVEL TROUGH SUPPORT AND COOL SSTS (24-26C). THE SYSTEM IS RAPIDLY TRANSITIONING HOWEVER, 20W IS EXPECTED TO BECOME FULLY SUBTROPICAL IN THE NEXT 12 HOURS. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 020000Z IS 25 FEET. // 2022092512 124N1334E 15 2022092518 127N1341E 15 2022092600 131N1350E 15 2022092606 134N1358E 15 2022092612 138N1362E 15 2022092618 152N1364E 15 2022092700 164N1359E 15 2022092706 176N1351E 20 2022092712 186N1341E 20 2022092718 197N1335E 25 2022092800 206N1328E 30 2022092806 216N1321E 30 2022092812 229N1318E 35 2022092818 239N1317E 45 2022092900 250N1318E 55 2022092900 250N1318E 55 2022092906 258N1322E 75 2022092906 258N1322E 75 2022092906 258N1322E 75 2022092912 266N1332E 80 2022092912 266N1332E 80 2022092912 266N1332E 80 2022092918 272N1341E 75 2022092918 272N1341E 75 2022092918 272N1341E 75 2022093000 282N1355E 65 2022093000 282N1355E 65 2022093000 282N1355E 65 2022093006 292N1379E 60 2022093006 292N1379E 60 2022093012 300N1405E 55 2022093012 300N1405E 55 2022093018 308N1427E 55 2022093018 308N1427E 55 2022100100 319N1447E 55 2022100100 319N1447E 55 2022100106 331N1465E 55 2022100106 331N1465E 55 2022100112 341N1485E 60 2022100112 341N1485E 60 2022100118 354N1502E 60 2022100118 354N1502E 60 2022100200 363N1525E 55 2022100200 363N1525E 55 NNNN