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 061800 SECURITE GALE WARNING FOR METAREA VII ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 06/04/2009 AT 1800 UTC. WARNING NUMBER: 011/12 (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). GALE WARNING BEGINNING OF VALIDITY: MONDAY 06/04/2009 AT 1800 UTC. PHENOMENON: OVERLAND DEPRESSION 12 (EX-JADE) POSITION: 17.9S / 48.8E (SEVENTEEN DECIMAL NINE DEGREES SOUTH AND FORTY EIGHT DECIMAL EIGHT DEGREES EAST) AT 1800 UTC MOVEMENT: SOUTH-SOUTH-WEST 12 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 300 NM RADIUS OF THE CENTER EXTENDING UP TO MORE THAN 500 NM IN THE SOUTHEASTERN QUADRANT WITHIN THE CONFLUENCE AREA BETWEEN THE CYCLONIC CIRCULATION AND THE TRADEWINDS. NEAR GALE FORCE WINDS 30 KT LOCALLY REACHING GALE FORCE WINDS 35/40 KT AND ROUGH TO VERY ROUGH SEAS, LOCALLY HIGH SEAS ALONG THE EASTERN MALAGSY COAST BETWEEN 15S AND 20S AND UP TO ABOUT 150 NM FROM THE COAST. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/04/07 AT 06 UTC: 19.8S / 48.4E, MAX WIND = 30 KT, OVERLAND. 24H, VALID 2009/04/07 AT 18 UTC: 21.3S / 48.0E, MAX WIND = 30 KT, OVERLAND. OTHER INFORMATIONS: SYSTEM IS WEAKENING OVERLAND AND HAVE TRACKED SOUTHWARDS FOR THE PAST SIX HOURS. NEAR GALE FORCE WINDS SHOULD PERSIST WITHIN THE NEXT 24 HOURS ALONG THE EASTERN COAST OF MADAGASCAR. EXTENSION OF STRONGER WINDS HAVE BEEN CALIBRATED THANKS TO RECENT SATELLITE DATA. THERE IS A STRONGER THAN USUAL UNCERTAINTY ASSOCIATED WITH THE FORECAST TRACK. IT IS NOT UNLIKELY THAT THE SYSTEM COULD MOVE BACK OVER WATER WITHIN THE NEXT 72 HOURS OFF THE EASTERN COAST OF MADAGASCAR.