WTMA20 FIMP 101210 TTT WARNING OF STORM FORCE WINDS AT 1200UTC, SEVERE TROPICAL STORM 4 (CHIDO) 988 HPA WAS CENTRED WITHIN 20 NM RADIUS OF POINT 10.8S 60.0E (TEN DECIMAL EIGHT DEGREES SOUTH AND SIXTY DECIMAL ZERO DEGREES EAST). MOVEMENT: WEST 9 KT THREAT AREAS: SQUALLY WEATHER WITHIN A 50 NM RADIUS AROUND THE CENTER, EXTENDING UP TO 140 NM IN THE NORTHERN SEMI-CIRCLE. STORM FORCE WINDS 50/55 KT AND HIGH TO VERY HIGH SEAS WITHIN A 25 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 30 NM IN THE NORTH-WESTERN AND SOUTH-EASTERN QUADRANTS. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 40 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 60 NM IN THE SOUTH-EASTERN QUADRANT, UP TO 80 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 95 NM IN THE NORTH-WESTERN QUADRANT. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 50 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 90 NM IN THE SOUTH-EASTERN QUADRANT, UP TO 110 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 120 NM IN THE NORTH-WESTERN QUADRANT. STRONG GUSTS UNDER SQUALLS.=