WTPQ20 VHHH 102246 TROPICAL CYCLONE WARNING AT 102100 UTC, SUPER TYPHOON CHAN-HOM (1509) WITH CENTRAL PRESSURE 930 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL MILES OF TWO EIGHT POINT THREE DEGREES NORTH (28.3 N) ONE TWO THREE POINT ZERO DEGREES EAST (123.0 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 100 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 120 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 360 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 112100 UTC THREE TWO POINT ONE DEGREES NORTH (32.1 N) ONE TWO TWO POINT FOUR DEGREES EAST (122.4 E) MAXIMUM WINDS 65 KNOTS. FORECAST POSITION AND INTENSITY AT 122100 UTC THREE SEVEN POINT THREE DEGREES NORTH (37.3 N) ONE TWO FOUR POINT SEVEN DEGREES EAST (124.7 E) MAXIMUM WINDS 40 KNOTS. FORECAST POSITION AND INTENSITY AT 132100 UTC THREE EIGHT POINT EIGHT DEGREES NORTH (38.8 N) ONE TWO SIX POINT ZERO DEGREES EAST (126.0 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 142100 UTC DISSIPATED OVER LAND.