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 110600 SECURITE STORM WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 11/01/2009 AT 0600 UTC. WARNING NUMBER: 013/05 (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: SUNDAY 11/01/2009 AT 0600 UTC. PHENOMENON: SEVERE TROPICAL STORM 5 (DONGO) 985 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 21.8S / 69.1E (TWENTY ONE DECIMAL EIGHT DEGREES SOUTH AND SIXTY NINE DECIMAL ONE DEGREES EAST) AT 0600 UTC MOVEMENT: SOUTH-SOUTH-EAST 12 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 250 NM RADIUS FROM THE CENTER, EXTENDING UP TO 450 NM IN THE NORTHEASTERN QUADRANT AND UP TO 500 NM IN THE SOUTHEASTERN QUADRANT. STORM WINDS 50 KT AND VERY HIGH SEA WITHIN 20 NM RADIUS FROM THE CENTER. GALE FORCE WINDS 35/45 KT AND HIGH SEA WITHIN 40 NM RADIUS FROM THE CENTER EXTENDING UP TO 130 NM IN THE SOUTHEASTERN SEMI-CIRCLE. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEA WITHIN 70 NM RADIUS FROM THE CENTER EXTENDING UP TO 200 NM IN THE SOUTHERN SEMI-CIRCLE AND UP TO 180 NM IN THE NORTHEASTERN QUADRANT. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/01/11 AT 18 UTC: 24.7S / 70.1E, MAX WIND = 50 KT, SEVERE TROP. STORM. 24H, VALID 2009/01/12 AT 06 UTC: 27.2S / 71.0E, MAX WIND = 40 KT, MODERATE TROP. STORM. OTHER INFORMATIONS: STRONGER WINDS EXTEND FAR FROM THE CENTER IN THE SOUTHEASTERN SEMI-CIRCLE DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES. WINDS EXTENSION HAS BEEN MEASURED THANKS TO RECENT SATELLITE DATA. DONGO KEEPS ON TRACKING SOUTHWARDS. IT IS EXPECTED TO STAY ON THIS TRACK FOR THE NEXT FEWDAYS. ENVIRONMENTAL START TO BE LESS FAVOURABLE FOR FURTHER INTENSIFICATION.