WTPQ20 VHHH 141645 TROPICAL CYCLONE WARNING AT 141500 UTC, THE SUPER TYPHOON MANGKHUT (1822) WITH CENTRAL PRESSURE 900 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL MILES OF ONE SEVEN POINT SEVEN DEGREES NORTH (17.7 N) ONE TWO THREE POINT TWO DEGREES EAST (123.2 E) AND IS FORECAST TO MOVE NORTHWEST OR WEST-NORTHWEST AT ABOUT 15 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 135 KNOTS. RADIUS OF OVER 33 KNOT WINDS 270 NAUTICAL MILES. RADIUS OF OVER 47 KNOT WINDS 150 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 90 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 360 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 151500 UTC ONE NINE POINT FIVE DEGREES NORTH (19.5 N) ONE ONE SEVEN POINT FOUR DEGREES EAST (117.4 E) MAXIMUM WINDS 115 KNOTS. FORECAST POSITION AND INTENSITY AT 161500 UTC TWO ONE POINT SEVEN DEGREES NORTH (21.7 N) ONE ONE ONE POINT ZERO DEGREES EAST (111.0 E) MAXIMUM WINDS 90 KNOTS. FORECAST POSITION AND INTENSITY AT 171500 UTC TWO TWO POINT FOUR DEGREES NORTH (22.4 N) ONE ZERO FOUR POINT SIX DEGREES EAST (104.6 E) MAXIMUM WINDS 30 KNOTS. FORECAST POSITION AND INTENSITY AT 181500 UTC DISSIPATED OVER LAND.