WTJP21 RJTD 150000

WARNING 150000.

WARNING VALID 160000.

WARNING IS UPDATED EVERY 6 HOURS.

STORM WARNING.

SEVERE TROPICAL STORM 1607 CHANTHU (1607) 985 HPA

AT 27.0N 145.0E OGASAWARA SHOTO MOVING NORTHNORTHEAST 09 KNOTS.

POSITION FAIR.

MAX WINDS 50 KNOTS NEAR CENTER.

RADIUS OF OVER 30 KNOT WINDS 180 MILES EAST SEMICIRCLE AND 90 MILES

ELSEWHERE.

FORECAST POSITION FOR 151200UTC AT 28.6N 143.9E WITH 30 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

980 HPA, MAX WINDS 55 KNOTS NEAR CENTER.

FORECAST POSITION FOR 160000UTC AT 30.6N 142.4E WITH 60 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

980 HPA, MAX WINDS 55 KNOTS NEAR CENTER.

EXTENDED OUTLOOK.

FORECAST POSITION FOR 170000UTC AT 36.0N 141.1E WITH 110 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

985 HPA, MAX WINDS 50 KNOTS NEAR CENTER.

FORECAST POSITION FOR 180000UTC AT 47.4N 144.3E WITH 220 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

984 HPA, MAX WINDS 50 KNOTS.

BECOMING EXTRATROPICAL LOW.



JAPAN METEOROLOGICAL AGENCY.=