WTPQ20 VHHH 180445



TROPICAL CYCLONE WARNING



AT 180300 UTC, SEVERE TYPHOON KOPPU (1524) WITH CENTRAL

PRESSURE 940 HECTOPASCALS WAS CENTRED WITHIN 90 NAUTICAL

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

ONE POINT TWO DEGREES EAST (121.2 E) AND IS FORECAST TO BE

SLOW MOVING FOR THE NEXT 12 HOURS.



MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 90 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 190300 UTC

ONE SIX POINT NINE DEGREES NORTH (16.9 N)

ONE TWO ZERO POINT EIGHT DEGREES EAST (120.8 E)

MAXIMUM WINDS 70 KNOTS.



FORECAST POSITION AND INTENSITY AT 200300 UTC

ONE SEVEN POINT EIGHT DEGREES NORTH (17.8 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 55 KNOTS.



FORECAST POSITION AND INTENSITY AT 210300 UTC

ONE EIGHT POINT EIGHT DEGREES NORTH (18.8 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 45 KNOTS.



FORECAST POSITION AND INTENSITY AT 220300 UTC

TWO ZERO POINT ZERO DEGREES NORTH (20.0 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 50 KNOTS.



FORECAST POSITION AND INTENSITY AT 230300 UTC

TWO ONE POINT FIVE DEGREES NORTH (21.5 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 55 KNOTS.