WTPQ20 VHHH 110746



TROPICAL CYCLONE WARNING



AT 110600 UTC, SEVERE TYPHOON CHAN-HOM (1509) WITH CENTRAL

PRESSURE 950 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL

MILES OF TWO NINE POINT FIVE DEGREES NORTH (29.5 N) ONE TWO

TWO POINT FOUR DEGREES EAST (122.4 E) AND IS FORECAST TO

MOVE NORTH AT ABOUT 10 KNOTS FOR THE NEXT 12 HOURS.



MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 85 KNOTS.



RADIUS OF OVER 33 KNOT WINDS 240 NAUTICAL MILES OVER

EASTERN SEMICIRCLE, 210 NAUTICAL MILES ELSEWHERE.

RADIUS OF OVER 47 KNOT WINDS 180 NAUTICAL MILES.

RADIUS OF OVER 63 KNOT WINDS 90 NAUTICAL MILES.

RADIUS OF OVER 2 METRE WAVES 300 NAUTICAL MILES.



FORECAST POSITION AND INTENSITY AT 120600 UTC

THREE FOUR POINT EIGHT DEGREES NORTH (34.8 N)

ONE TWO THREE POINT SIX DEGREES EAST (123.6 E)

MAXIMUM WINDS 50 KNOTS.



FORECAST POSITION AND INTENSITY AT 130600 UTC

BECOME EXTRATROPICAL LOW.