Direction Interrégionale de LA REUNION
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WTIO24 FMEE 060600 SECURITE STORM WARNING FOR METAREA VII ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 06/04/2009 AT 0600 UTC. WARNING NUMBER: 009/12 (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 HECTOPASCALS (HPA) (INDICATIVE FIGURE). STORM WARNING BEGINNING OF VALIDITY: MONDAY 06/04/2009 AT 0600 UTC. PHENOMENON: SEVERE TROPICAL STORM 12 (JADE) 977 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 15.8S / 49.8E (FIFTEEN DECIMAL EIGHT DEGREES SOUTH AND FORTY NINE DECIMAL EIGHT DEGREES EAST) AT 0600 UTC MOVEMENT: SOUTH-WEST 9 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 250 NM RADIUS OF THE CENTER EXTENDING UP TO 450 NM IN THE SOUTHEASTERN QUADRANT AND ALSO UP TO 350 NM IN THE NORTHWESTERN QUADRANT WITHIN A PERIPHERAL BAND. STORM FORCE WINDS 50/60KT AND HIGH TO VERY HIGH SEAS WITHIN 30 NM RADIUS OF THE CENTER. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEAS WITHIN 50 NM RADIUS OF THE CENTER EXTENDING UP TO 70 NM IN THE SOUTHERN SEMI-CIRCLE. NEAR GALE FORCE WINDS 30 KT AND MODERATE TO ROUGH SEAS WITHIN 100 NM RADIUS OF THE CENTER, EXTENDING UP TO 130 NM IN THE SOUTHERN SEMI CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/04/06 AT 18 UTC: 16.5S / 48.8E, MAX WIND = 30 KT, OVERLAND. 24H, VALID 2009/04/07 AT 06 UTC: 17.7S / 48.3E, MAX WIND = 20 KT, OVERLAND. OTHER INFORMATIONS: JADE HAS CROSSED EARLY THIS MORNING THE MASAOLA PENINSULA. THE CENTER HAS THEN MOVED BACK OVER WATER SOUTH OF MAROANTSERA. IT IS CURRENTLY MAKING A SECOND LANDFALL BETWEEN RANTABE AND MANANARA. IT SHOULD KEEP ON TRACKING CLOSE TO THE EASTERN MALAGASY COASTS WITHIN THE NEXT 48 HOURS , PROBABLY OVERLAND THEREFORE WEAKENING RAPIDLY. STRONGEST WINDS EXTEND IN THE SOUTHERN SEMI-CIRCLE DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES.