WTPQ20 VHHH 110446



TROPICAL CYCLONE WARNING



AT 110300 UTC, SEVERE TYPHOON CHAN-HOM (1509) WITH CENTRAL

PRESSURE 945 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL

MILES OF TWO NINE POINT ONE DEGREES NORTH (29.1 N) ONE TWO

TWO POINT SIX DEGREES EAST (122.6 E) AND IS FORECAST TO

MOVE NORTH-NORTHWEST AT ABOUT 10 KNOTS FOR THE NEXT 12

HOURS.



MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 90 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 360 NAUTICAL MILES.



FORECAST POSITION AND INTENSITY AT 120300 UTC

THREE THREE POINT THREE DEGREES NORTH (33.3 N)

ONE TWO TWO POINT EIGHT DEGREES EAST (122.8 E)

MAXIMUM WINDS 60 KNOTS.



FORECAST POSITION AND INTENSITY AT 130300 UTC

THREE EIGHT POINT FIVE DEGREES NORTH (38.5 N)

ONE TWO FIVE POINT SEVEN DEGREES EAST (125.7 E)

MAXIMUM WINDS 40 KNOTS.



FORECAST POSITION AND INTENSITY AT 140300 UTC

BECOME EXTRATROPICAL LOW.