WTMA20 FIMP 100645 TTT WARNING OF STORM FORCE WINDS MODERATE TROPICAL STORM DIKELEDI HAS INTENSIFIED INTO A SEVERE TROPICAL STORM. AT 0600UTC, SEVERE TROPICAL STORM 5 (DIKELEDI) 990 HPA WAS CENTRED WITHIN 40 NM RADIUS OF POINT 14.2S 56.7E (FOURTEEN DECIMAL TWO DEGREES SOUTH AND FIFTY SIX DECIMAL SEVEN DEGREES EAST). MOVEMENT: WEST 16 KT THREAT AREAS: SQUALLY WEATHER WITHIN A 180 NM RADIUS AROUND THE CENTER EXTENDING UP TO 300 NM IN THE SOUTHEASTERN QUADRANT. STORM FORCE WINDS 50 KT AND HIGH TO VERY HIGH SEAS WITHIN A 15 NM RADIUS FROM THE CENTRE. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 45 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 60 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 85 NM IN THE EASTERN SEMI-CIRCLE. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 60 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 105 NM IN THE NORTH-EASTERN QUADRANT AND UP TO 135 NM IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. END=