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

WTIO24 FMEE 251200 SECURITE GALE WARNING FOR METAREA VII ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 25/03/2009 AT 1200 UTC. WARNING NUMBER: 006/11 (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). GALE WARNING BEGINNING OF VALIDITY: WEDNESDAY 25/03/2009 AT 1200 UTC. PHENOMENON: MODERATE TROPICAL STORM 11 (IZILDA) 988 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 23.6S / 42.2E (TWENTY THREE DECIMAL SIX DEGREES SOUTH AND FORTY TWO DECIMAL TWO DEGREES EAST) AT 1200 UTC MOVEMENT: SOUTH-SOUTH-EAST 5 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 80 NM RADIUS OF THE CENTER, EXTENDING UP TO 150 NM OF THE CENTER IN THE SOUTHERN SMI-CIRCLE. GALE FORCE WINDS 35/45KT AND VERY ROUGH TO HIGH SEA WITHIN 40 NM RADIUS OF THE CENTER NEAR GALE FORCE 30KT AND ROUGH TO VERY ROUGH SEA WITHIN 70 NM RADIUS OF THE CENTER, EXTENDING UP TO 130 NM IN THE NORTHERN SEMI-CIRCLE AND UP TO 180 NM IN THE SOUTHWESTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/03/26 AT 00 UTC: 23.8S / 42.4E, MAX WIND = 60 KT, SEVERE TROP. STORM. 24H, VALID 2009/03/26 AT 12 UTC: 23.6S / 42.6E, MAX WIND = 65 KT, TROPICAL CYCLONE. OTHER INFORMATIONS: IZILDA KEEPS ON TRACKING SLOWLY SOUTH-SOUTHEASTWARDS BUT IS EXPECTED TO BECOME STATIONNARY WITHIN THE NEXT 24 HOURS BEFORE RECURVING WEST-NORTHWESTWARDS UNDER THE STEERING INFLUENCE OF THE SUBTROPICAL HIGH PRESSURES REBUILDING IN ITS SOUTHWEST. ENVIRONMENTAL CONDITIONS SHOULD ALLOW TO KEEP ON INTENSIFICATING WITHIN THE NEXT 24 HOURS. IZILDA COULD ALSO REACH THE MINIMAL TROPICAL CYCLONE STAGE. STRONGESTS WINDS EXTEND FAR IN THE SOUTHWEST DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES.