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 080600 SECURITE STORM WARNING FOR METAREA VII AND METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 08/03/2006 AT 0600 UTC. WARNING NUMBER: 025/11 (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: WEDNESDAY 08/03/2006 AT 0600 UTC. PHENOMENON: SEVERE TROPICAL STORM 11 (DIWA) 980 HPA POSITION: WITHIN 30 NM RADIUS OF POINT 27.0S / 56.5E (TWENTY SEVEN DECIMAL ZERO DEGREES SOUTH AND FIFTY SIX DECIMAL FIVE DEGREES EAST) AT 0600 UTC MOVEMENT: SOUTH-EAST 13 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 100 NM RADIUS OF THE CENTER, EXTENDING UP TO 300 NM IN THE SOUTHEASTERN SEMI-CIRCLE. STROM FORCE WINDS 50/55KT AND HIGH TO VERY HIGH SEAS WITHIN 20 NM RADIUS OF THE CENTER. GALE FORCE WINDS 35/40 KT AND VERY ROUGH TO HIGH SEAS WITHIN 50 NM RADIUS OF THE CENTER EXTENDING UP TO 120 NM IN THE SOUTHERN SEMI-CIRCLE. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN 100 NM RADIUS OF THE CENTRE, AND UP TO 250 NM IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2006/03/08 AT 18 UTC: 29.5S / 58.0E, MAX WIND = 55 KT, BECOMING EXTRATROPICAL. 24H, VALID 2006/03/09 AT 06 UTC: 32.0S / 60.9E, MAX WIND = 55 KT, EXTRATROPICAL. OTHER INFORMATIONS: DESPITE A LIGHT NORTHWESTERLY VERTICAL WINDSHEAR, CONVECTION HAS LIGHLTLY ORGANIZED ITSELF WITH A CURVER BAND PATTERN DURING LAST HOURS, SHOWING AN INTENSIFICATION OF THE SYSTEM. THE LOW LEVEL CENTRE IS LOCATED LIGHLY NORTHWEST OF THE HIGH LEVEL CIRCULATION. DUE TO THE SHIFT OF SUBTROPICAL HIGH PRESSURE TO THE EAST, THE SYSTEM IS ACCELERATING SOUTHEASTWARDS. IT SHOULD EVACUATE AND BECOME EXTRATROPICAL DURING THE NEXT 24 HOURS. STRONG WINDS EXTEND FAR FROM THE CENTRE IN THE SOUTHERN SEMI-CIRCLE DUE TO GRADIENT WITH THE SUBTROPICAL HIGH PRESSURES.