SUBJ: TROPICAL CYCLONE WARNING WTPN31 PGTW 061500 1. TYPHOON 24W (KROSA) WARNING NR 012 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 061200Z9 --- NEAR 23.3N8 135.3E2 MOVEMENT PAST SIX HOURS - 010 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 050 KT WINDS - 060 NM RADIUS OF 035 KT WINDS - 190 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 190 NM NORTHWEST QUADRANT REPEAT POSIT: 23.3N8 135.3E2 --- FORECASTS: 12 HRS, VALID AT: 070000Z7 --- 25.2N9 135.8E7 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 060 NM RADIUS OF 035 KT WINDS - 180 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 180 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 015 DEG/ 11 KTS --- 24 HRS, VALID AT: 071200Z0 --- 27.4N3 136.5E5 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 035 KT WINDS - 180 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 180 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 035 DEG/ 13 KTS --- 36 HRS, VALID AT: 080000Z8 --- 29.6N7 138.2E4 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 090 NM RADIUS OF 035 KT WINDS - 170 NM NORTHEAST QUADRANT 125 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 050 DEG/ 14 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 081200Z1 --- 31.5N9 140.7E2 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 085 NM RADIUS OF 035 KT WINDS - 165 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 165 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 060 DEG/ 16 KTS --- 72 HRS, VALID AT: 091200Z2 --- 34.5N2 147.6E8 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 080 NM RADIUS OF 035 KT WINDS - 160 NM NORTHEAST QUADRANT 135 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT --- REMARKS: 061500Z2 POSITION NEAR 23.8N3 135.4E3. TYPHOON (TY) 24W (KROSA), LOCATED APPROXIMATELY 340 NM WEST- SOUTHWEST OF IWO JIMA, HAS TRACKED NORTHWARD AT 10 KNOTS DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 061130Z1 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 90 TO 102 KNOTS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 061200Z9 IS 19 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 062100Z9, 070300Z0, 070900Z6 AND 071500Z3.//