WTJP21 RJTD 161200

WARNING 161200.

WARNING VALID 171200.

WARNING IS UPDATED EVERY 6 HOURS.

GALE WARNING.

TROPICAL STORM 1607 CHANTHU (1607) 990 HPA

AT 34.3N 141.0E SEA EAST OF JAPAN MOVING NORTHNORTHWEST 15 KNOTS.

POSITION FAIR.

MAX WINDS 40 KNOTS NEAR CENTER.

RADIUS OF OVER 30 KNOT WINDS 210 MILES EAST SEMICIRCLE AND 120 MILES

ELSEWHERE.

FORECAST POSITION FOR 170000UTC AT 37.3N 141.4E WITH 40 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

990 HPA, MAX WINDS 45 KNOTS NEAR CENTER.

FORECAST POSITION FOR 171200UTC AT 43.3N 143.5E WITH 80 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

990 HPA, MAX WINDS 45 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 181200UTC AT 56.8N 148.2E WITH 150 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

990 HPA, MAX WINDS 45 KNOTS.

BECOMING EXTRATROPICAL LOW.



JAPAN METEOROLOGICAL AGENCY.=