WTIO20 FMEE 181820 SECURITE STORM WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTER/LA REUNION 18/02/2016 AT 1800 UTC. WARNING NUMBER: 017/5 (SOUTH-WEST INDIAN OCEAN) 10 MINUTES AVERAGE WIND SPEED IN KNOTS (KT) (WIND GUSTS AT SEA MAY BE ABOUT 40% STRONGER THAN THE AVERAGED WIND) MINIMUM SEA LEVEL PRESSURE IN HECTOPASCAL (HPA) (INDICATIVE FIGURE). STORM WARNING BEGINNING OF VALIDITY: THURSDAY 18/02/2016 AT 1800 UTC. PHENOMENON: SEVERE TROPICAL STORM 5 (URIAH) 968 HPA POSITION: WITHIN 25 NM RADIUS OF POINT 22.7 S / 78.6 E (TWENTY TWO DECIMAL SEVEN DEGREES SOUTH AND SEVENTY EIGHT DECIMAL SIX DEGREES EAST) AT 1800 UTC MOVEMENT: SOUTH 8 KT THREAT AREAS: SQUALLY WEATHER EXTENDING UP TO 70 NM FROM THE CENTER, AND UP TO 350NM IN THE SOUTHERN SECTOR. STORM FORCE WINDS 50/60 KT AND HIGH TO VERY HIGH SEAS WITHIN A 40 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 60 NM IN THE SOUTH-WESTERN AND NORTH-EASTERN QUADRANTS, AND UP TO 90 NM IN THE SOUTH-EASTERN QUADRANT. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN A 65 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 130 NM IN THE SOUTH-WESTERN AND NORTH-EASTERN QUADRANTS, AND UP TO 220 NM IN THE SOUTH-EASTERN QUADRANT. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 100 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 180 NM IN THE NORTH-EASTERN QUADRANT, UP TO 240 NM IN THE SOUTH-WESTERN QUADRANT AND UP TO 340 NM IN THE SOUTH-EASTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2016/02/19 AT 06 UTC: 24.0 S / 78.2 E, MAX WIND = 50 KT, SEVERE TROPICAL STORM 24H, VALID 2016/02/19 AT 18 UTC: 24.4 S / 77.8 E, MAX WIND = 45 KT, MODERATE TROPICAL STORM OTHER INFORMATIONS: NIL=