WTJP23 RJTD 041800

WARNING 041800.

WARNING VALID 051800.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

TROPICAL STORM 1511 NANGKA (1511) 992 HPA

AT 11.6N 165.7E MARSHALLS MOVING WEST 14 KNOTS.

POSITION FAIR.

MAX WINDS 40 KNOTS NEAR CENTER.

RADIUS OF OVER 30 KNOT WINDS 150 MILES.

FORECAST POSITION FOR 050600UTC AT 11.6N 164.2E WITH 50 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

985 HPA, MAX WINDS 50 KNOTS NEAR CENTER.

FORECAST POSITION FOR 051800UTC AT 12.1N 161.0E WITH 75 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

980 HPA, MAX WINDS 55 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 061800UTC AT 13.4N 157.0E WITH 140 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

970 HPA, MAX WINDS 65 KNOTS NEAR CENTER.

FORECAST POSITION FOR 071800UTC AT 15.1N 153.6E WITH 160 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

960 HPA, MAX WINDS 75 KNOTS NEAR CENTER.



JAPAN METEOROLOGICAL AGENCY.=