WTMA20 FIMP 231215 TTT WARNING OF GALE AT 1200 UTC, MODERATE TROPICAL STORM CHENGE 998 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 10.2S / 58.5E (TEN DECIMAL TWO DEGREES SOUTH AND FIFTY EIGHT DECIMAL FIVE DEGREES EAST) MOVEMENT: WEST-SOUTH-WEST 5 KT THREAT AREAS: SQUALLY WEATHER WITHIN A 90 NM RADIUS AROUND THE CENTER. GALE FORCE WINDS 35 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 50 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 60 NM IN THE NORTH-WESTERN QUADRANT, UP TO 65 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 70 NM IN THE SOUTH-EASTERN QUADRANT. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 75 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 90 NM IN THE NORTH-WESTERN QUADRANT, UP TO 150 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 185 NM IN THE SOUTH-EASTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. END=