WTSS20 VHHH 181646 TROPICAL CYCLONE WARNING AT 181500 UTC, SEVERE TROPICAL STORM SARIKA (1621) WITH CENTRAL PRESSURE 975 HECTOPASCALS WAS CENTRED WITHIN 60 NAUTICAL MILES OF ONE NINE POINT EIGHT DEGREES NORTH (19.8 N) ONE ZERO NINE POINT TWO DEGREES EAST (109.2 E) AND IS FORECAST TO MOVE NORTHWEST AT ABOUT 6 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 60 KNOTS. RADIUS OF OVER 33 KNOT WINDS 120 NAUTICAL MILES. RADIUS OF OVER 47 KNOT WINDS 30 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 270 NAUTICAL MILES OVER NORTHERN SEMICIRCLE, 240 NAUTICAL MILES ELSEWHERE. FORECAST POSITION AND INTENSITY AT 191500 UTC TWO ONE POINT SIX DEGREES NORTH (21.6 N) ONE ZERO SEVEN POINT SIX DEGREES EAST (107.6 E) MAXIMUM WINDS 35 KNOTS. FORECAST POSITION AND INTENSITY AT 201500 UTC DISSIPATED OVER LAND.