WTJP22 RJTD 040600

WARNING 040600.

WARNING VALID 050600.

WARNING IS UPDATED EVERY 6 HOURS.

TYPHOON WARNING.

TYPHOON 1813 SHANSHAN (1813) UPGRADED FROM SEVERE TROPICAL STORM 975

HPA

AT 20.9N 148.7E SEA AROUND OF MINAMITORISIMA MOVING NORTHNORTHWEST 10

KNOTS.

POSITION FAIR.

MAX WINDS 65 KNOTS NEAR CENTER.

RADIUS OF OVER 50 KNOT WINDS 50 MILES.

RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTH SEMICIRCLE AND 150 MILES

ELSEWHERE.

FORECAST POSITION FOR 041800UTC AT 22.4N 147.5E WITH 30 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

975 HPA, MAX WINDS 65 KNOTS NEAR CENTER.

FORECAST POSITION FOR 050600UTC AT 24.1N 146.6E WITH 50 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

970 HPA, MAX WINDS 70 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 060600UTC AT 27.5N 144.7E WITH 95 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

955 HPA, MAX WINDS 80 KNOTS NEAR CENTER.

FORECAST POSITION FOR 070600UTC AT 30.6N 142.7E WITH 130 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

965 HPA, MAX WINDS 75 KNOTS NEAR CENTER.



JAPAN METEOROLOGICAL AGENCY.=