WTJP21 RJTD 041800

WARNING 041800.

WARNING VALID 051800.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

SEVERE TROPICAL STORM 1703 NANMADOL (1703) 992 HPA

AT 35.5N 142.6E SEA EAST OF JAPAN MOVING EASTNORTHEAST 36 KNOTS.

POSITION FAIR.

MAX WINDS 50 KNOTS NEAR CENTER.

RADIUS OF OVER 30 KNOT WINDS 120 MILES SOUTH SEMICIRCLE AND 60 MILES

ELSEWHERE.

FORECAST POSITION FOR 050600UTC AT 36.9N 150.1E WITH 40 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

994 HPA, MAX WINDS 45 KNOTS.

BECOMING EXTRATROPICAL LOW.

FORECAST POSITION FOR 051800UTC AT 39.3N 159.1E WITH 80 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

994 HPA, MAX WINDS 45 KNOTS.

BECOMING EXTRATROPICAL LOW.



JAPAN METEOROLOGICAL AGENCY.=