WTJP31 RJTD 011500 WARNING 011500. WARNING VALID 021500. TYPHOON WARNING. TYPHOON 1504 MAYSAK (1504) 925 HPA AT 11.9N 135.1E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 12 KNOTS. POSITION GOOD. MAX WINDS 100 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 020300UTC AT 12.7N 133.8E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 935 HPA, MAX WINDS 90 KNOTS NEAR CENTER. FORECAST POSITION FOR 021500UTC AT 13.4N 132.1E WITH 70 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. JAPAN METEOROLOGICAL AGENCY.=