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 260600 SECURITE GALE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 26/11/2005 AT 0600 UTC. WARNING NUMBER: 015/05 (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: SATURDAY 26/11/2005 AT 0600 UTC. PHENOMENON: MODERATE TROPICAL STORM 5 ( ALVIN) 996 HPA POSITION: 13.9S / 86.6E (THIRTEEN DECIMAL NINE DEGREES SOUTH AND EIGHTY SIX DECIMAL SIX DEGREES EAST) AT 0600 UTC MOVEMENT: WEST-NORTH-WEST 5 KT THREAT AREAS: RAINY WEATHER EXISTS WITHIN 80 NM RADIUS OF THE CENTRE, EXTENDING UP TO 350 NM IN THE SOUTHEASTERN QUADRANT. SQUALLY WEATHER MORE ACTIVE MAINLY DURING THE NIGHT AND IN THE SOUTHEASTERN PART. GALE FORCE WINDS 35 KT AND VERY ROUGH TO HIGH SEAS WITHIN 20 NM RADIUS OF THE CENTRE, EXTENDING UP TO 40 NM IN THE SOUTHERN SEMI-CIRCLE. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN 30 NM RADIUS OF THE CENTRE, EXTENDING UP TO 100 NM IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2005/11/26 AT 18 UTC: 13.7S / 85.2E, MAX WIND = 35 KT. 24H, VALID 2005/11/27 AT 06 UTC: 13.5S / 83.6E, MAX WIND = 30 KT. OTHER INFORMATIONS: ALVIN EX-BERTIE WEAKENS QUICKLY WITHIN AN UNFAVORABLE ENVIRONMENT. THE LOW LEVEL CLOCKWISE CIRCULATION IS FULLY EXPOSED, WITHOUT ANY DEEP CONVECTION LEFT. THE SYSTEM IS FORECAST TO DISSIPATE OVER WATER OVER THE NEXT 48 HOURS, TRACKING WESTWARDS ON THE NORTHEN EDGE OF SUBTROPICAL HIGH PRESSURES. STRONGER WINDS ARE LOCATED SOUTH OF THE SYSTEM, DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES.