WTPN31 PGTW 190900 1. TYPHOON 21W (VIPA) WARNING NR 010 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 190600Z6 --- NEAR 30.9N2 138.3E5 MOVEMENT PAST SIX HOURS - 010 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 025 NM RADIUS OF 035 KT WINDS - 095 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT REPEAT POSIT: 30.9N2 138.3E5 --- FORECASTS: 12 HRS, VALID AT: 191800Z9 --- 32.8N3 139.0E3 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 035 KT WINDS - 100 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 030 DEG/ 11 KTS --- 24 HRS, VALID AT: 200600Z8 --- 34.7N4 140.4E9 MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 030 NM OVER WATER RADIUS OF 035 KT WINDS - 100 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 055 DEG/ 19 KTS --- 36 HRS, VALID AT: 201800Z1 --- 36.8N7 144.3E2 MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 025 NM RADIUS OF 035 KT WINDS - 095 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 060 DEG/ 34 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 210600Z9 --- 39.9N1 151.9E6 MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT EXTRATROPICAL RADIUS OF 035 KT WINDS - 085 NM NORTHEAST QUADRANT 085 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT --- REMARKS: 190900Z9 POSITION NEAR 31.4N8 138.5E7. TYPHOON (TY) 21W (VIPA), LOCATED APPROXIMATELY 290 NM SOUTH- SOUTHWEST OF TOKYO, HAS TRACKED NORTH-NORTHEASTWARD AT 09 KNOTS DURING THE PAST SIX HOURS. THE WARNING POSITION IS BASED ON 190530Z8 INFRARED AND VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT INTENSITY ESTIMATES OF 75 KNOTS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 190600Z6 IS 25 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 191500Z6, 192100Z3, 200300Z5 AND 200900Z1. REFER TO TROPICAL DEPRESSION 20W (NARI) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. REFER TO TROPICAL DEPRESSION 22W WARNINGS (WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//