WTJP21 RJTD 040600

WARNING 040600.

WARNING VALID 050600.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

SEVERE TROPICAL STORM 1504 MAYSAK (1504) DOWNGRADED FROM TYPHOON 980

HPA

AT 14.8N 125.5E SEA EAST OF PHILIPPINES MOVING WEST 11 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 041800UTC AT 16.2N 123.3E WITH 50 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

985 HPA, MAX WINDS 55 KNOTS NEAR CENTER.

FORECAST POSITION FOR 050600UTC AT 17.9N 120.9E WITH 75 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

990 HPA, MAX WINDS 45 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 060600UTC AT 19.2N 118.8E WITH 110 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

998 HPA, MAX WINDS 35 KNOTS NEAR CENTER.

FORECAST POSITION FOR 070600UTC AT 20.5N 117.0E WITH 160 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

1004 HPA.

BECOMING TROPICAL DEPRESSION.



JAPAN METEOROLOGICAL AGENCY.=