WTMA20 FIMP 241230 TTT WARNING OF GALE AT 1200 UTC, MODERATE TROPICAL STORM 4 (CHENGE) 1000 HPA POSITION: WITHIN 30 NM RADIUS OF POINT 8.9 S / 54.5 E (EIGHT DECIMAL NINE DEGREES SOUTH AND FIFTY FOUR DECIMAL FIVE DEGREES EAST) MOVEMENT: WEST 10 KT THREAT AREAS: SQUALLY WEATHER WITHIN A 250 NM RADIUS AROUND THE CENTER. GALE FORCE WINDS 35 KT AND VERY ROUGH TO HIGH SEAS EXTENDING UP TO 100 NM IN THE SOUTH-WESTERN QUADRANT. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 60 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 155 NM IN THE NORTH-WESTERN QUADRANT AND UP TO 165 NM IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. END=