WTSS20 VHHH 191945



TROPICAL CYCLONE WARNING



AT 191800 UTC, SEVERE TROPICAL STORM KOPPU (1524) WITH

CENTRAL PRESSURE 984 HECTOPASCALS WAS CENTRED WITHIN 90

NAUTICAL MILES OF ONE EIGHT POINT TWO DEGREES NORTH (18.2

N) ONE TWO ZERO POINT FOUR DEGREES EAST (120.4 E) AND IS

FORECAST TO BE SLOW MOVING FOR THE NEXT 24 HOURS.



MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 50 KNOTS.



RADIUS OF OVER 33 KNOT WINDS 150 NAUTICAL MILES OVER

NORTHERN SEMICIRCLE, 120 NAUTICAL MILES ELSEWHERE.

RADIUS OF OVER 47 KNOT WINDS 30 NAUTICAL MILES.

RADIUS OF OVER 2 METRE WAVES 300 NAUTICAL MILES.



FORECAST POSITION AND INTENSITY AT 201800 UTC

ONE EIGHT POINT SIX DEGREES NORTH (18.6 N)

ONE TWO ONE POINT SIX DEGREES EAST (121.6 E)

MAXIMUM WINDS 45 KNOTS.



FORECAST POSITION AND INTENSITY AT 211800 UTC

ONE NINE POINT SIX DEGREES NORTH (19.6 N)

ONE TWO TWO POINT ZERO DEGREES EAST (122.0 E)

MAXIMUM WINDS 50 KNOTS.



FORECAST POSITION AND INTENSITY AT 221800 UTC

TWO ONE POINT ZERO DEGREES NORTH (21.0 N)

ONE TWO TWO POINT ZERO DEGREES EAST (122.0 E)

MAXIMUM WINDS 55 KNOTS.



FORECAST POSITION AND INTENSITY AT 231800 UTC

TWO TWO POINT FIVE DEGREES NORTH (22.5 N)

ONE TWO TWO POINT ONE DEGREES EAST (122.1 E)

MAXIMUM WINDS 50 KNOTS.



FORECAST POSITION AND INTENSITY AT 241800 UTC

TWO FOUR POINT ONE DEGREES NORTH (24.1 N)

ONE TWO TWO POINT SEVEN DEGREES EAST (122.7 E)

MAXIMUM WINDS 50 KNOTS.