Direction Interrégionale de LA REUNION
B.P.4    97491 Ste Clotilde Cedex
Téléphone                02.62.92.11.00
Fax exploitation      02.62.92.11.48
Fax direction           02.62.92.11.47

WTIO20 FMEE 241200 SECURITE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 24/02/2009 AT 1200 UTC. WARNING NUMBER: 014/09 (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). WARNING BEGINNING OF VALIDITY: TUESDAY 24/02/2009 AT 1200 UTC. PHENOMENON: TROPICAL DISTURBANCE 9 (EX-HINA) 1000 HPA POSITION: 20.4S / 74.6E (TWENTY DECIMAL FOUR DEGREES SOUTH AND SEVENTY FOUR DECIMAL SIX DEGREES EAST) AT 1200 UTC MOVEMENT: WEST-SOUTH-WEST 11 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 180 NM RADIUS FROM THE CENTER, EXTENDING UP TO 550 NM IN THE NORTH-EASTERN SECTOR WITHIN A CONVERGENCE LINE. CLOCKWISE CIRCULATION 20/25 KT REACHING LOCALLY GALE FORCE WINDS 35 KT AND VERY ROUGH SEAS EXTENDING UP TO 120 NM IN THE SOUTHERN SEMI-CIRCLE. NEAR GALE FORCE WINDS 30 KT AND ROUGH SEAS EXTENDING UP TO 240 NM IN THE SOUTHWESTERN QUADRANT AND UP TO 330 NM IN THE SOUTHEASTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/02/25 AT 00 UTC: 21.7S / 72.2E, MAX WIND = 20 KT, TROP. DISTURBANCE. 24H, VALID 2009/02/25 AT 12 UTC: 23.4S / 70.2E, MAX WIND = 15 KT, TROP. DISTURBANCE. OTHER INFORMATIONS: THE SYSTEM HAS ACCELERATED (CURRENT MOTION AND SPEED : 250°/11KT). ITS SPEED SHOULD BE CONSTANT DURING THE NEXT HOURS, AND ITS TRACK SHOULD INCURVE PROGRESSIVELY SOUTHWESTWARD. DURING THE LAST HOURS, CONVECTION HAS REBUILT LESS THAN 40 NM AND SOUTHEAST OF THE LLCC. HOWEVER THE SYSTEM IS STILL EXPECTED TO WEAKEN DUE TO UNFAVORABLE ENVIRONMENTAL CONDITIONS. STRONG WINDS EXTEND FAR FROM THE CENTER IN THE SOUTHERN SECTOR DUE TO THE GRADIENT WITH THE SUBTROPICAL HIGH PRESSURES.