WTMA20 FIMP 231830 TTT WARNING OF HURRICANE AT 1800 UTC, INTENSE TROPICAL CYCLONE HORACIO 933 HPA WAS CENTRED WITHIN 10 NM RADIUS OF POINT 20.6 S / 65.1 E (TWENTY DECIMAL SIX DEGREES SOUTH AND SIXTY FIVE DECIMAL ONE DEGREES EAST) MOVEMENT: SOUTH-SOUTH-WEST 11 KT SQUALLY WEATHER WITHIN A 100 NM RADIUS AROUND THE CENTER, EXTENDING UP TO 140 NM IN THE SOUTH-EASTERN QUADRANT. HURRICANE FORCE WINDS 65/115 KT AND VERY HIGH TO PHENOMENAL SEAS WITHIN A 30 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 35 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 40 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 45 NM IN THE NORTH-EASTERN QUADRANT, UP TO 50 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 55 NM IN THE SOUTH-EASTERN QUADRANT. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 55 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 65 NM IN THE NORTH-EASTERN QUADRANT, UP TO 80 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 85 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 100 NM IN THE NORTH-EASTERN QUADRANT, UP TO 115 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 125 NM IN THE SOUTH-EASTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. END=