SUBJ: TROPICAL CYCLONE WARNING WTPN31 PGTW 041500 1. TYPHOON 05W (KIROGI) WARNING NR 010 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 041200Z7 --- NEAR 19.2N2 131.6E1 MOVEMENT PAST SIX HOURS - 360 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT RADIUS OF 100 KT WINDS - 015 NM RADIUS OF 050 KT WINDS - 085 NM EAST SEMICIRCLE 055 NM ELSEWHERE RADIUS OF 035 KT WINDS - 165 NM EAST SEMICIRCLE 115 NM ELSEWHERE REPEAT POSIT: 19.2N2 131.6E1 --- FORECASTS: 12 HRS, VALID AT: 050000Z5 --- 21.1N4 131.7E2 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 015 NM RADIUS OF 050 KT WINDS - 090 NM EAST SEMICIRCLE 060 NM ELSEWHERE RADIUS OF 035 KT WINDS - 170 NM EAST SEMICIRCLE 120 NM ELSEWHERE VECTOR TO 24 HR POSIT: 010 DEG/ 09 KTS --- 24 HRS, VALID AT: 051200Z8 --- 22.8N2 132.1E7 MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 090 NM EAST SEMICIRCLE 060 NM ELSEWHERE RADIUS OF 035 KT WINDS - 170 NM EAST SEMICIRCLE 120 NM ELSEWHERE VECTOR TO 36 HR POSIT: 030 DEG/ 13 KTS --- 36 HRS, VALID AT: 060000Z6 --- 25.0N7 133.5E2 MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 090 NM EAST SEMICIRCLE 060 NM ELSEWHERE RADIUS OF 035 KT WINDS - 170 NM EAST SEMICIRCLE 120 NM ELSEWHERE VECTOR TO 48 HR POSIT: 030 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 061200Z9 --- 27.1N0 134.8E6 MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT RADIUS OF 100 KT WINDS - 015 NM RADIUS OF 050 KT WINDS - 085 NM SOUTHEAST SEMICIRCLE 055 NM ELSEWHERE RADIUS OF 035 KT WINDS - 165 NM SOUTHEAST SEMICIRCLE 115 NM ELSEWHERE VECTOR TO 72 HR POSIT: 030 DEG/ 15 KTS --- 72 HRS, VALID AT: 071200Z0 --- 32.2N7 138.0E2 MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 050 KT WINDS - 080 NM SOUTHEAST SEMICIRCLE 050 NM ELSEWHERE RADIUS OF 035 KT WINDS - 160 NM SOUTHEAST SEMICIRCLE 110 NM ELSEWHERE --- REMARKS: 041500Z0 POSITION NEAR 19.7N7 131.6E1. TYPHOON (TY) 05W (KIROGI), LOCATED APPROXIMATELY 470 NM SOUTHEAST OF OKINAWA, HAS TRACKED NORTHWARD AT 08 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 041130Z9 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 115 KNOTS. A PARTIAL 040926Z1 SPECIAL SENSOR MICROWAVE IMAGER (SSM/I) PASS DEPICTED A 32 NM ROUND EYE. THE SSM/I PASS AND A 041112Z9 TROPICAL RAINFALL MEASURING MISSION (TRMM) PASS INDICATE STRONGER BANDING TO THE EAST AND SOUTH. MID-LEVEL HIGH SITUATED OVER THE MARIANA ISLANDS WITH ASSOCIATED RIDGING EXTENDING SOUTHWEST OVER MINDANAO IS EXPECTED TO SHIFT EAST OVER THE NEXT 24 HOURS WITH THE APPROACH OF A MID-LATITUDE TROUGH MOVING OVER JAPAN. THIS SHOULD CAUSE TY 05W (KIROGI) TO TURN NORTH-NORTHEASTWARD. TY 05W (KIROGI) IS FORECAST TO INTENSIFY AT A CLIMATOLOGICAL RATE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 041200Z7 IS 24 FEET. REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 042100Z7 (DTG 041951Z0), 050300Z8 (DTG 050151Z2), 050900Z4 (DTG 050751Z8) AND 051500Z1 (DTG 051351Z5). REFER TO TROPICAL DEPRESSION 06W (NONAME) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN