WTJP31 RJTD 010300 WARNING 010300. WARNING VALID 020300. TYPHOON WARNING. TYPHOON 1504 MAYSAK (1504) 915 HPA AT 10.8N 137.2E SEA EAST OF PHILIPPINES MOVING WEST 11 KNOTS. POSITION GOOD. MAX WINDS 105 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 70 MILES. RADIUS OF OVER 30 KNOT WINDS 210 MILES NORTH SEMICIRCLE AND 180 MILES ELSEWHERE. FORECAST POSITION FOR 011500UTC AT 11.6N 135.2E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 915 HPA, MAX WINDS 105 KNOTS NEAR CENTER. FORECAST POSITION FOR 020300UTC AT 12.3N 133.5E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 920 HPA, MAX WINDS 95 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=