WTJP31 RJTD 100300 WARNING 100300. WARNING VALID 110300. TYPHOON WARNING. TYPHOON 1620 SONGDA (1620) 965 HPA AT 25.1N 146.2E OGASAWARA SHOTO MOVING NORTHWEST 11 KNOTS. POSITION FAIR. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 40 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 101500UTC AT 26.1N 145.8E WITH 30 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 960 HPA, MAX WINDS 75 KNOTS NEAR CENTER. FORECAST POSITION FOR 110300UTC AT 27.5N 146.4E WITH 60 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=