WTPN32 PGTW 081500 1. TYPHOON 13W (JELAWAT) WARNING NR 031 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 081200Z1 --- NEAR 28.2N2 127.2E2 MOVEMENT PAST SIX HOURS - 310 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 050 NM NORTHEAST SEMICIRCLE 040 NM ELSEWHERE RADIUS OF 035 KT WINDS - 170 NM NORTHEAST SEMICIRCLE 130 NM ELSEWHERE REPEAT POSIT: 28.2N2 127.2E2 --- FORECASTS: 12 HRS, VALID AT: 090000Z9 --- 28.7N7 126.4E3 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 040 NM NORTHEAST SEMICIRCLE 050 NM ELSEWHERE RADIUS OF 035 KT WINDS - 170 NM NORTHEAST SEMICIRCLE 130 NM ELSEWHERE VECTOR TO 24 HR POSIT: 295 DEG/ 04 KTS --- 24 HRS, VALID AT: 091200Z2 --- 29.1N2 125.5E3 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 045 NM NORTHEAST SEMICIRCLE 035 NM ELSEWHERE RADIUS OF 035 KT WINDS - 165 NM NORTHEAST SEMICIRCLE 125 NM ELSEWHERE VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS --- 36 HRS, VALID AT: 100000Z1 --- 29.6N7 124.2E9 MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT RADIUS OF 050 KT WINDS - 040 NM NORTHEAST SEMICIRCLE 030 NM ELSEWHERE RADIUS OF 035 KT WINDS - 155 NM NORTHEAST SEMICIRCLE 115 NM ELSEWHERE VECTOR TO 48 HR POSIT: 290 DEG/ 06 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 101200Z4 --- 30.0N3 122.8E3 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 035 NM NORTHEAST SEMICIRCLE 025 NM ELSEWHERE RADIUS OF 035 KT WINDS - 135 NM NORTHEAST SEMICIRCLE OVER WATER 105 NM ELSEWHERE OVER WATER VECTOR TO 72 HR POSIT: 295 DEG/ 08 KTS --- 72 HRS, VALID AT: 111200Z5 --- 31.2N6 119.6E7 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 035 KT WINDS - 090 NM NORTHEAST SEMICIRCLE OVER WATER 065 NM ELSEWHERE OVER WATER --- REMARKS: 081500Z4 POSITION NEAR 28.3N3 127.0E0. TYPHOON (TY) 13W (JELAWAT), LOCATED APPROXIMATELY 110 NM NORTH-NORTHWEST OF OKINAWA, JAPAN, HAS TRACKED NORTHWESTWARD AT 05 KNOTS DURING THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 081130Z3 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 77 KNOTS. ANIMATED INFRARED SATELLITE IMAGERY DEPICTS A 60 NM EYE. IMAGERY ALSO INDICATES THAT THE SYSTEM HAS MAINTAINED ITS INTENSITY OVER THE PAST 6 HOURS WITH AN INCREASE IN DEEP CONVECTION IN THE NORTHEASTERN QUADRANT. TY 13W IS FORECAST TO CONTINUE TRACKING TO THE NORTHWEST THROUGH 12 HOURS, THEN TRACK INCREASINGLY WEST-NORTHWESTWARD AS THE MID LEVEL RIDGE OVER CHINA RE-ESTABLISHES ITSELF AS THE DOMINANT STEERING FLOW. THE SYSTEM IS FORECAST TO SLOWLY WEAKEN UNDER INCREASING VERTICAL WIND SHEAR AND INTERACTION WITH LAND AFTER THE 48 HOUR PERIOD. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 081200Z1 IS 24 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 082100Z1 (DTG 081951Z4), 090300Z2 (DTG 090151Z6), 090900Z8 (DTG 090751Z2) AND 091500Z5 (DTG 091351Z9). REFER TO TROPICAL DEPRESSION 14W WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN