WTJP21 RJTD 041200

WARNING 041200.

WARNING VALID 051200.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

SEVERE TROPICAL STORM 1504 MAYSAK (1504) 980 HPA

AT 14.8N 124.5E SEA EAST OF PHILIPPINES MOVING WEST 10 KNOTS.

POSITION FAIR.

MAX WINDS 60 KNOTS NEAR CENTER.

RADIUS OF OVER 50 KNOT WINDS 50 MILES.

RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTH SEMICIRCLE AND 120 MILES

ELSEWHERE.

FORECAST POSITION FOR 050000UTC AT 16.8N 122.3E WITH 50 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

990 HPA, MAX WINDS 50 KNOTS NEAR CENTER.

FORECAST POSITION FOR 051200UTC AT 18.6N 119.9E WITH 75 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

994 HPA, MAX WINDS 40 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 061200UTC AT 19.6N 118.3E WITH 110 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

1002 HPA.

BECOMING TROPICAL DEPRESSION.



JAPAN METEOROLOGICAL AGENCY.=