WTPQ20 VHHH 180745



TROPICAL CYCLONE WARNING



AT 180600 UTC, SEVERE TYPHOON KOPPU (1524) WITH CENTRAL

PRESSURE 950 HECTOPASCALS WAS CENTRED WITHIN 90 NAUTICAL

MILES OF ONE SIX POINT ONE DEGREES NORTH (16.1 N) ONE TWO

ONE POINT ONE DEGREES EAST (121.1 E) AND IS FORECAST TO BE

SLOW MOVING FOR THE NEXT 12 HOURS.



MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 85 KNOTS.



RADIUS OF OVER 33 KNOT WINDS 180 NAUTICAL MILES.

RADIUS OF OVER 47 KNOT WINDS 90 NAUTICAL MILES.

RADIUS OF OVER 63 KNOT WINDS 60 NAUTICAL MILES.

RADIUS OF OVER 2 METRE WAVES 300 NAUTICAL MILES.



FORECAST POSITION AND INTENSITY AT 190600 UTC

ONE SEVEN POINT ZERO DEGREES NORTH (17.0 N)

ONE TWO ZERO POINT EIGHT DEGREES EAST (120.8 E)

MAXIMUM WINDS 65 KNOTS.



FORECAST POSITION AND INTENSITY AT 200600 UTC

ONE SEVEN POINT NINE DEGREES NORTH (17.9 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 50 KNOTS.



FORECAST POSITION AND INTENSITY AT 210600 UTC

ONE EIGHT POINT NINE DEGREES NORTH (18.9 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 45 KNOTS.



FORECAST POSITION AND INTENSITY AT 220600 UTC

TWO ZERO POINT TWO DEGREES NORTH (20.2 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 50 KNOTS.



FORECAST POSITION AND INTENSITY AT 230600 UTC

TWO ONE POINT SEVEN DEGREES NORTH (21.7 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 55 KNOTS.