WTMA20 FIMP 010700 TTT WARNING OF STORM FORCE WINDS AT 01/0600 UTC, SEVERE TROPICAL STORM 10 (GARANCE) 987 HPA WAS CENTRED WITHIN 20 NM RADIUS OF POINT 27.6S 54.7E (TWENTY SEVEN DECIMAL SIX DEGREES SOUTH AND FIFTY FOUR DECIMAL SEVEN DEGREES EAST). MOVEMENT: SOUTH 18 KT THREAT AREAS: SQUALLY WEATHER EXTENDING UP TO 190 NM IN THE NORTHERN QUADRANT. STORM FORCE WINDS 50 KT AND HIGH TO VERY HIGH SEAS EXTENDING UP TO 40 NM IN THE EASTERN SEMI-CIRCLE. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 35 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 65 NM IN THE SOUTH-EASTERN QUADRANT AND UP TO 75 NM IN THE NORTH-EASTERN QUADRANT. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 55 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 105 NM IN THE SOUTH-EASTERN QUADRANT AND UP TO 140 NM IN THE NORTH-EASTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. END=