WTSS20 VHHH 190745



TROPICAL CYCLONE WARNING



AT 190600 UTC, SEVERE TROPICAL STORM KOPPU (1524) WITH

CENTRAL PRESSURE 980 HECTOPASCALS WAS CENTRED WITHIN 90

NAUTICAL MILES OF ONE SEVEN POINT SEVEN DEGREES NORTH (17.7

N) ONE TWO ZERO POINT ONE DEGREES EAST (120.1 E) AND IS

FORECAST TO BE SLOW MOVING FOR THE NEXT 12 HOURS.



MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 55 KNOTS.



RADIUS OF OVER 33 KNOT WINDS 150 NAUTICAL MILES.

RADIUS OF OVER 47 KNOT WINDS 45 NAUTICAL MILES.

RADIUS OF OVER 2 METRE WAVES 300 NAUTICAL MILES.



FORECAST POSITION AND INTENSITY AT 200600 UTC

ONE EIGHT POINT TWO DEGREES NORTH (18.2 N)

ONE TWO ONE POINT THREE DEGREES EAST (121.3 E)

MAXIMUM WINDS 45 KNOTS.



FORECAST POSITION AND INTENSITY AT 210600 UTC

ONE NINE POINT ZERO DEGREES NORTH (19.0 N)

ONE TWO TWO POINT ZERO DEGREES EAST (122.0 E)

MAXIMUM WINDS 50 KNOTS.



FORECAST POSITION AND INTENSITY AT 220600 UTC

TWO ZERO POINT TWO DEGREES NORTH (20.2 N)

ONE TWO TWO POINT ZERO DEGREES EAST (122.0 E)

MAXIMUM WINDS 55 KNOTS.



FORECAST POSITION AND INTENSITY AT 230600 UTC

TWO ONE POINT SEVEN DEGREES NORTH (21.7 N)

ONE TWO TWO POINT ZERO DEGREES EAST (122.0 E)

MAXIMUM WINDS 55 KNOTS.



FORECAST POSITION AND INTENSITY AT 240600 UTC

TWO THREE POINT THREE DEGREES NORTH (23.3 N)

ONE TWO TWO POINT THREE DEGREES EAST (122.3 E)

MAXIMUM WINDS 50 KNOTS.