WTPQ20 VHHH 151946 TROPICAL CYCLONE WARNING TROPICAL STORM RUMBIA (1818) HAS ENTERED THE AREA OF RESPONSIBILITY OF THE HONG KONG OBSERVATORY. AT 151800 UTC, TROPICAL STORM RUMBIA (1818) WITH CENTRAL PRESSURE 994 HECTOPASCALS WAS CENTRED WITHIN 90 NAUTICAL MILES OF TWO NINE POINT SEVEN DEGREES NORTH (29.7 N) ONE TWO FOUR POINT NINE DEGREES EAST (124.9 E) AND IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 8 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 35 KNOTS. RADIUS OF OVER 33 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 180 NAUTICAL MILES OVER EASTERN SEMICIRCLE, 90 NAUTICAL MILES ELSEWHERE. FORECAST POSITION AND INTENSITY AT 161800 UTC THREE ZERO POINT SIX DEGREES NORTH (30.6 N) ONE TWO ONE POINT FIVE DEGREES EAST (121.5 E) MAXIMUM WINDS 45 KNOTS. FORECAST POSITION AND INTENSITY AT 171800 UTC THREE ONE POINT SEVEN DEGREES NORTH (31.7 N) ONE ONE FIVE POINT FOUR DEGREES EAST (115.4 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 181800 UTC DISSIPATED OVER LAND.