WTJP23 RJTD 051800

WARNING 051800.

WARNING VALID 061800.

WARNING IS UPDATED EVERY 6 HOURS.

TYPHOON WARNING.

SEVERE TROPICAL STORM 1511 NANGKA (1511) 980 HPA

AT 11.2N 161.7E MARSHALLS MOVING WEST 12 KNOTS.

POSITION FAIR.

MAX WINDS 55 KNOTS NEAR CENTER.

RADIUS OF OVER 50 KNOT WINDS 30 MILES.

RADIUS OF OVER 30 KNOT WINDS 120 MILES.

FORECAST POSITION FOR 060600UTC AT 11.9N 159.2E WITH 50 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

975 HPA, MAX WINDS 60 KNOTS NEAR CENTER.

FORECAST POSITION FOR 061800UTC AT 12.7N 156.9E WITH 75 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

970 HPA, MAX WINDS 65 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 071800UTC AT 15.3N 152.8E WITH 140 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

960 HPA, MAX WINDS 75 KNOTS NEAR CENTER.

FORECAST POSITION FOR 081800UTC AT 17.9N 149.0E WITH 210 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

950 HPA, MAX WINDS 85 KNOTS NEAR CENTER.



JAPAN METEOROLOGICAL AGENCY.=