SUBJ: TROPICAL CYCLONE WARNING WTPN32 PGTW 060900 1. TYPHOON 13W (JELAWAT) WARNING NR 022 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 060600Z2 --- NEAR 26.0N8 131.1E6 MOVEMENT PAST SIX HOURS - 270 DEGREES AT 06 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON EYE FIXED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 060 NM OVER WATER RADIUS OF 035 KT WINDS - 150 NM NORTHEAST QUADRANT 120 NM ELSEWHERE OVER WATER REPEAT POSIT: 26.0N8 131.1E6 --- FORECASTS: 12 HRS, VALID AT: 061800Z5 --- 26.2N0 129.7E9 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 060 NM RADIUS OF 035 KT WINDS - 150 NM NORTHEAST QUADRANT OVER WATER 120 NM ELSEWHERE OVER WATER VECTOR TO 24 HR POSIT: 290 DEG/ 06 KTS --- 24 HRS, VALID AT: 070600Z3 --- 26.6N4 128.4E5 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 060 NM OVER WATER RADIUS OF 035 KT WINDS - 150 NM NORTHEAST QUADRANT OVER WATER 120 NM ELSEWHERE OVER WATER VECTOR TO 36 HR POSIT: 290 DEG/ 05 KTS --- 36 HRS, VALID AT: 071800Z6 --- 27.0N9 127.3E3 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 055 NM OVER WATER RADIUS OF 035 KT WINDS - 145 NM NORTHEAST QUADRANT OVER WATER 110 NM ELSEWHERE OVER WATER VECTOR TO 48 HR POSIT: 295 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 080600Z4 --- 27.5N4 126.2E1 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 035 KT WINDS - 140 NM NORTHEAST QUADRANT 100 NM ELSEWHERE VECTOR TO 72 HR POSIT: 290 DEG/ 05 KTS --- 72 HRS, VALID AT: 090600Z5 --- 28.1N1 124.2E9 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 035 KT WINDS - 140 NM NORTHEAST QUADRANT 100 NM ELSEWHERE --- REMARKS: 060900Z5 POSITION NEAR 26.1N9 130.7E1. TYPHOON (TY) 13W (JELAWAT), LOCATED APPROXIMATELY 185 NM EAST OF KADENA AB, OKINAWA, HAS TRACKED WESTWARD AT 06 KNOTS DURING THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 060530Z4 VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 90 AND 102 KNOTS. ANIMATED VISIBLE SATELLITE IMAGERY DEPICTS A (APPROX) 56 NM WELL DEFINED, ROUND, EYE. THE SYSTEM SEEMS TO HAVE INTENSIFIED SLIGHTLY DURING THE PAST 6 HOURS. AN UPPER LEVEL LOW SITUATED TO THE WEST OF OKINAWA MAY BE ENHANCING THE OUTFLOW OVER TY 13W. AT 060500Z1, MINAMIDAITOJIMA ISLAND (180 NM EAST OF OKINAWA) RECORDED AN OBSERVATION WITHIN THE EYE. WINDS WERE 250 AT 09 KNOTS, AND SEA LEVEL PRESSURE AT 960.7 MILLIBARS. A MID-LEVEL HIGH CENTERED OVER CENTRAL JAPAN, WITH ASSOCIATED RIDGE EXTENDING WEST-SOUTHWEST OVER THE EAST CHINA SEA, WILL WEAKEN ALLOWING TY 13W TO TRACK MORE WEST-NORTHWESTWARD THROUGH THE REMAINDER OF THE FORECAST. TY 13W IS FORECAST TO MAINTAIN INTENSITY DURING THE NEXT 24 HOURS. AFTERWARD, THE UPPER RIDGE SHOULD BUILD OVER THE SEA OF JAPAN GENERATING MODERATE NORTHEASTERLIES OVER THE EAST CHINA SEA. THIS WILL CAUSE TY 13W TO WEAKEN. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 060600Z2 IS XX FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 061500Z2 (DTG 061351Z6), 062100Z9 (DTG 061951Z2), 070300Z0 (DTG 070151Z4) AND 070900Z6 (DTG 070751Z0).// NNNN