WTPN31 PGTW 051500 1. TYPHOON 24W (KROSA) WARNING NR 008 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 051200Z8 --- NEAR 19.6N6 137.2E3 MOVEMENT PAST SIX HOURS - 310 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT RADIUS OF 100 KT WINDS - 015 NM RADIUS OF 050 KT WINDS - 060 NM RADIUS OF 035 KT WINDS - 180 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 180 NM NORTHWEST QUADRANT REPEAT POSIT: 19.6N6 137.2E3 --- FORECASTS: 12 HRS, VALID AT: 060000Z6 --- 21.1N4 135.7E6 MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT RADIUS OF 100 KT WINDS - 030 NM RADIUS OF 050 KT WINDS - 080 NM RADIUS OF 035 KT WINDS - 190 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 190 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 320 DEG/ 08 KTS --- 24 HRS, VALID AT: 061200Z9 --- 22.4N8 134.6E4 MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT RADIUS OF 100 KT WINDS - 040 NM RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 035 KT WINDS - 195 NM NORTHEAST QUADRANT 195 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 195 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 345 DEG/ 08 KTS --- 36 HRS, VALID AT: 070000Z7 --- 23.9N4 134.1E9 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 040 NM RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 035 KT WINDS - 195 NM NORTHEAST QUADRANT 195 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 195 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 360 DEG/ 08 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 071200Z0 --- 25.4N1 134.1E9 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 040 NM RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 035 KT WINDS - 195 NM NORTHEAST QUADRANT 195 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 195 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 035 DEG/ 08 KTS --- 72 HRS, VALID AT: 081200Z1 --- 28.0N0 136.0E0 MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT RADIUS OF 100 KT WINDS - 040 NM RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 035 KT WINDS - 195 NM NORTHEAST QUADRANT 195 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 195 NM NORTHWEST QUADRANT --- REMARKS: 051500Z1 POSITION NEAR 20.0N2 136.8E8. TYPHOON (TY) 24W (KROSA), LOCATED APPROXIMATELY 380 NM SOUTHWEST OF IWO JIMA, HAS TRACKED NORTHWESTWARD AT 12 KNOTS DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 051130Z0 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 90 TO 102 KNOTS. ENHANCED INFRARED SATELLITE IMAGERY AND A RECENT SPECIAL SENSOR MICROWAVE IMAGER (SSM/I) PASS DEPICTED THAT AN INTENSE CONVECTIVE RING HAS DEVELOPED DURING THE PAST 6 HOURS. ANIMATION ALSO INDICATES THAT THE EYE WALL HAS CONTRACTED AROUND A (APPROX) 14 NM IRREGULAR EYE. THEREFORE, THE INTENSITY HAS BEEN BUMPED UP TO 105 KNOTS. WATER VAPOR IMAGERY REVEALS A PRONOUNCED POLEWARD OUTFLOW CHANNEL EXTENDING FROM THE SYSTEM. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 051200Z8 IS 20 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 052100Z8, 060300Z9, 060900Z5 AND 061500Z2.//