WTSS20 VHHH 172246 TROPICAL CYCLONE WARNING AT 172100 UTC, SEVERE TYPHOON SARIKA (1621) WITH CENTRAL PRESSURE 950 HECTOPASCALS WAS CENTRED WITHIN 60 NAUTICAL MILES OF ONE EIGHT POINT FIVE DEGREES NORTH (18.5 N) ONE ONE ONE POINT TWO DEGREES EAST (111.2 E) AND IS FORECAST TO MOVE NORTHWEST AT ABOUT 8 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 85 KNOTS. RADIUS OF OVER 33 KNOT WINDS 210 NAUTICAL MILES OVER NORTHERN SEMICIRCLE, 180 NAUTICAL MILES ELSEWHERE. RADIUS OF OVER 47 KNOT WINDS 90 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 330 NAUTICAL MILES OVER NORTHERN SEMICIRCLE, 270 NAUTICAL MILES ELSEWHERE. FORECAST POSITION AND INTENSITY AT 182100 UTC TWO ZERO POINT FIVE DEGREES NORTH (20.5 N) ONE ZERO EIGHT POINT SIX DEGREES EAST (108.6 E) MAXIMUM WINDS 65 KNOTS. FORECAST POSITION AND INTENSITY AT 192100 UTC TWO TWO POINT THREE DEGREES NORTH (22.3 N) ONE ZERO SEVEN POINT THREE DEGREES EAST (107.3 E) MAXIMUM WINDS 30 KNOTS. FORECAST POSITION AND INTENSITY AT 202100 UTC DISSIPATED OVER LAND.