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 251800 SECURITE GALE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 25/11/2005 AT 1800 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). GALE WARNING BEGINNING OF VALIDITY: FRIDAY 25/11/2005 AT 1800 UTC. PHENOMENON: MODERATE TROPICAL STORM 5 (ALVIN EX-BERTIE) 990 HPA POSITION: WITHIN 20 NM RADIUS OF POINT 14.0S / 87.7E (FOURTEEN DECIMAL ZERO DEGREES SOUTH AND EIGHTY SEVEN DECIMAL SEVEN DEGREES EAST) AT 1800 UTC MOVEMENT: WEST 5 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 60 NM RADIUS OF THE CENTRE, EXTENDING UP TO 200 NM IN THE SOUTHEASTERN QUADRANT. GALE FORCE WINDS 35/40 KT AND VERY ROUGH TO HIGH SEAS WITHIN 30 NM RADIUS OF THE CENTRE, EXTENDING UP TO 60 NM IN THE SOUTHERN SEMI-CIRCLE, AND LOCALLY REACHING 45 KT NEAR THE CENTRE, IN THE SOUTH OF THE SYSTEM. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN 60 NM RADIUS OF THE CENTRE, EXTENDING UP TO 120 NM IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2005/11/26 AT 06 UTC: 13.9S / 86.7E, MAX WIND = 35 KT. 24H, VALID 2005/11/26 AT 18 UTC: 13.8S / 85.6E, MAX WIND = 30 KT. OTHER INFORMATIONS: ALVIN EX-BERTIE ENVIRONMENT REMAINS UNFAFOURABLE, AND THE SYSTEM REGULARLY WEAKENS. IT IS EXPECTED TO KEEP ON WEAKENING GRADUALLY, TRACKING WESTWARDS ON THE NORTHEN EDGE OF SUBTROPICAL HIGH PRESSURES. STRNGER WINDS ARE LOCATED SOUTH OF THE SYSTEM, DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES.