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 100600 SECURITE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 10/03/2009 AT 0600 UTC. WARNING NUMBER: 007/10 (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 10/03/2009 AT 0600 UTC. PHENOMENON: TROPICAL DISTURBANCE 10 1000 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 19.4S / 88.2E (NINETEEN DECIMAL FOUR DEGREES SOUTH AND EIGHTY EIGHT DECIMAL TWO DEGREES EAST) AT 0600 UTC MOVEMENT: NORTH-NORTH-EAST 10 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 70 NM RADIUS OF THE CENTRE, EXTENDING UP TO MORE THAN 350 NM IN THE SOUTHEASTERN QUADRANT WITHIN TE COLD FRONT PRESENT IN THIS AREA. CLOCKWISE CIRCULATION 20/25 KT REACHING NEAR GALE FORCE WINDS 30 KT IN THE SOUTHWESTERN QUADRANT UP TO 140 NM FROM THE CENTER DUE TO GRADIENT EFFECT WITH THE SUBTROPICAL RIDGE. MODERATE TO ROUGH SEAS. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/03/10 AT 18 UTC: 19.0S / 87.8E, MAX WIND = 25 KT, TROP. DISTURBANCE. 24H, VALID 2009/03/11 AT 06 UTC: 18.7S / 86.7E, MAX WIND = 25 KT, TROP. DISTURBANCE. OTHER INFORMATIONS: THE SYSTEM GRADUALLY AND DEFINITIVELY WEAKENS WITHIN A RATHER UNFAVORABLE ENVIRONEMENT. TRACK SHOULD PROGRESSIVELY TURN TOWARDS THE WESTNORTHWEST UNDER THE STEERING INFLUENCE OF THE BUILDING SUBTROPICAL HIGH PRESSURES. NEAR GALE FORCE WINDS SHOULD PERSIST LOCALLY WITHIN THE SOUTHERN PART OF THE CIRCULATION DURING THE NEXT 24 HOURS.