WTSS20 VHHH 170446 TROPICAL CYCLONE WARNING AT 170300 UTC, TYPHOON SARIKA (1621) WITH CENTRAL PRESSURE 955 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL MILES OF ONE SEVEN POINT FOUR DEGREES NORTH (17.4 N) ONE ONE THREE POINT NINE DEGREES EAST (113.9 E) AND IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 10 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 80 KNOTS. RADIUS OF OVER 33 KNOT WINDS 210 NAUTICAL MILES OVER NORTHERN SEMICIRCLE, 150 NAUTICAL MILES ELSEWHERE. RADIUS OF OVER 47 KNOT WINDS 90 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 30 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 300 NAUTICAL MILES OVER NORTHERN SEMICIRCLE, 210 NAUTICAL MILES ELSEWHERE. FORECAST POSITION AND INTENSITY AT 180300 UTC ONE EIGHT POINT SEVEN DEGREES NORTH (18.7 N) ONE ONE ZERO POINT SIX DEGREES EAST (110.6 E) MAXIMUM WINDS 95 KNOTS. FORECAST POSITION AND INTENSITY AT 190300 UTC TWO ZERO POINT FIVE DEGREES NORTH (20.5 N) ONE ZERO EIGHT POINT TWO DEGREES EAST (108.2 E) MAXIMUM WINDS 65 KNOTS. FORECAST POSITION AND INTENSITY AT 200300 UTC TWO TWO POINT THREE DEGREES NORTH (22.3 N) ONE ZERO SIX POINT EIGHT DEGREES EAST (106.8 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 210300 UTC DISSIPATED OVER LAND.