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

WTIO22 FMEE 201800 SECURITE WARNING FOR METAREA VII AND METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 20/12/2007 AT 1800 UTC. WARNING NUMBER: 034/04 (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 SEAS LEVEL PRESSURE IN HECTOPASCALS (HPA) (INDICATIVE FIGURE). WARNING BEGINNING OF VALIDITY: THURSDAY 20/12/2007 AT 1800 UTC. PHENOMENON: TROPICAL DISTURBANCE 4 (EX-CELINA) 998 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 21.1S / 54.4E (TWENTY ONE DECIMAL ONE DEGREES SOUTH AND FIFTY FOUR DECIMAL FOUR DEGREES EAST) AT 1800 UTC MOVEMENT: NORTH-WEST 5 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 150 NM RADIUS OF THE CENTRE. CLOCKWISE CIRCULATION 25 KT AND MODERATE TO ROUGH SEAS, REACHING LOCALLY NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN 30 NM RADIUS OF THE CENTER EXTENDING UP TO 120 NM FROM THE CENTER IN THE SOUTHERN SEMI CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2007/12/21 AT 06 UTC: 21.0S / 53.7E, MAX WIND = 25 KT, TROP. DISTURBANCE. 24H, VALID 2007/12/21 AT 18 UTC: 21.2S / 52.1E, MAX WIND = 25 KT, TROP. DISTURBANCE. OTHER INFORMATIONS: THE TRACK IS ALWAYS NORTHWESTWARDS, BUT SLOWING DOWNS. IT SHOULD THEN TRACK WESTWARDS IN THE NEXT 24 HOURS AND THEN SOUTHWESTWARDS BEYOND IT SHOULD KEEP AN INTENSITY CLOSE TO ITS ACTUAL STAGE DURING THE NEXT DAYS IN A NEUTRAL ENVIRONMENT. STRONGEST WINDS ARE LOCATED IN THE SOUTHERN SEMI-CIRCLE, DUE TO THE GRADIANT WITH THE SUB-TROPICAL HIGH PRESURES.