WTJP31 RJTD 120900

WARNING 120900.

WARNING VALID 130900.

STORM WARNING.

SEVERE TROPICAL STORM 1509 CHAN-HOM (1509) 980 HPA

AT 35.8N 124.6E YELLOW SEA MOVING NORTHNORTHEAST 20 KNOTS.

POSITION GOOD.

MAX WINDS 50 KNOTS.

RADIUS OF OVER 30 KNOT WINDS 325 MILES EAST SEMICIRCLE AND 210 MILES

ELSEWHERE.

FORECAST POSITION FOR 122100UTC AT 38.7N 125.9E WITH 50 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

985 HPA, MAX WINDS 45 KNOTS.

FORECAST POSITION FOR 130900UTC AT 41.4N 130.2E WITH 85 MILES RADIUS

OF 70 PERCENT PROBABILITY CIRCLE.

992 HPA, MAX WINDS 35 KNOTS.

BECOMING EXTRATROPICAL LOW.



JAPAN METEOROLOGICAL AGENCY.=