WTMA20 FIMP 271230 TTT WARNING OF SEVERE TROPICAL STORM LORNA AT 1200 UTC, SEVERE TROPICAL STORM LORNA CENTRAL PRESSURE 978 HPA WAS CENTRED WITHIN 30 NM RADIUS OF POINT 14.5 S / 88.8 E (FORTEEN DECIMAL FIVE DEGREES SOUTH AND EIGHTY-EIGHT DECIMAL EIGHT DEGREES EAST). MOVEMENT: SOUTH 05 KT. THREAT AREAS: SQUALLY WEATHER WITHIN A 250 NM RADIUS FROM THE CENTRE. STORM FORCE WINDS 50/60 KT AND HIGH TO VERY HIGH SEAS WITHIN A 50 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 60 NM IN THE NORTHERN SEMI- CIRCLE. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 90 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 160 NM IN THE NORTHERN SEMI- CIRCLE. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 100 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 120 NM IN THE SOUTH- WESTERN QUADRANT AND UP TO 220 NM IN THE NORTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. T.O.O 27/1200 UTC=