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 161800 SECURITE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 16/12/2008 AT 1800 UTC. WARNING NUMBER: 004/04 (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 16/12/2008 AT 1800 UTC. PHENOMENON: TROPICAL DISTURBANCE 4 1000 HPA POSITION: WITHIN 30 NM RADIUS OF POINT 10.1S / 67.3E (TEN DECIMAL ONE DEGREES SOUTH AND SIXTY SEVEN DECIMAL THREE DEGREES EAST) AT 1800 UTC MOVEMENT: SOUTH-WEST 5 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 160 NM RADIUS FROM THE CENTRE, EXTENDING UP TO 350 NM IN THE SOUTHERN SECTOR AND UP TO 470 MN IN THE EASTERN SECTOR AND ALSO WITHIN A CONVERGENCE LINE BETWEEN 5S TO 10S FROM 75E TO 83E. CLOCKWISE CIRCULATION 20/25 KT AND MODERATE TO ROUGH SEAS NEAR THE CENTER, LOCALLY REACHING 30 KT AND ROUGH SEAS UP TO 250 NM FROM THE CENTER IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2008/12/17 AT 06 UTC: 10.8S / 66.6E, MAX WIND = 30 KT, TROP. DEPRESSION. 24H, VALID 2008/12/17 AT 18 UTC: 11.5S / 65.8E, MAX WIND = 35 KT, MODERATE TROP. STORM. OTHER INFORMATIONS: THUNDERY ACTIVITY EXISTS AND MAINTAINS NEAR THE CENTER. STRONGER WINDS EXTEND IN THE SOUTHERN SEMI-CIRCLE, DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES. THIS LOW IS NOT EXPECTED TO DEEPEN SIGNIFICANTLY WITHIN THE NEXT 72 HOURS, IT COULD HOWEVER REACH THE MINIMAL TROPICAL STORM STAGE WITHIN THE NEXT 24 HOURS.