WTMA20 FIMP 051830 TTT WARNING OF HURRICANE FORCE WINDS AT 1800 UTC, INTENSE TROPICAL CYCLONE 8 (VINCE) 960 HPA WAS CENTRED WITHIN 20 NM RADIUS OF POINT 18.8 S / 83.9 E (EIGHTEEN DECIMAL EIGHT DEGREES SOUTH AND EIGHTY THREE DECIMAL NINE DEGREES EAST) MOVEMENT: WEST 8 KT THREAT AREAS: SQUALLY WEATHER IN A 200 NM RADIUS AROUND THE CENTER. HURRICANE FORCE WINDS 65/90 KT AND VERY HIGH TO PHENOMENAL SEAS WITHIN A 25 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 30 NM IN THE SOUTHERN SEMI-CIRCLE AND THE NORTH-EASTERN QUADRANT. STORM FORCE WINDS 50/60 KT AND HIGH TO VERY HIGH SEAS WITHIN A 35 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 40 NM IN THE SOUTHERN SEMI-CIRCLE AND THE NORTH-EASTERN QUADRANT. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 60 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 65 NM IN THE SOUTH-EASTERN QUADRANT AND UP TO 70 NM IN THE SOUTH-WESTERN QUADRANT. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 90 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 105 NM IN THE NORTH-WESTERN QUADRANT, UP TO 120 NM IN THE SOUTH-EASTERN QUADRANT AND UP TO 135 NM IN THE SOUTH-WESTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. END=