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
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WTIO22 FMEE 120600 SECURITE STORM WARNING FOR METAREA VII AND METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 12/01/2009 AT 0600 UTC. WARNING NUMBER: 017/05 (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). STORM WARNING BEGINNING OF VALIDITY: MONDAY 12/01/2009 AT 0600 UTC. PHENOMENON: EXTRATROPICAL DEPRESSION 5 (EX-DONGO) 988 HPA POSITION: 28.8S / 70.4E (TWENTY EIGHT DECIMAL EIGHT DEGREES SOUTH AND SEVENTY DECIMAL FOUR DEGREES EAST) AT 0600 UTC MOVEMENT: SOUTH-SOUTH-EAST 18 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 150 NM RADIUS FROM THE CENTER, EXTENDING UP TO 400 NM IN THE SOUTHEASTERN SEMI-CIRCLE. STORM FORCE WINDS 55/50 KT AND VERY HIGH TO HIGH SEAS WINTHIN 180 NM RADIUS FROM THE CENTER IN THE SOUTHEASTERN QUDRANT. GALE FORCE WINDS 35/45 KT AND VERY ROUGH TO HIGH SEA WITHIN 30 NM RADIUS FROM THE CENTER EXTENDING UP TO 70 NM IN THE SOUTHWESTERN QUADRANT AND UP TO 140 NM IN THE EASTERN SEMI-CIRCLE. NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEA WITHIN 90 NM RADIUS FROM THE CENTER EXTENDING UP TO 200 NM IN THE SOUTHWESTERN QUADRANT TO 350 NM IN THE SOUTHEASTERN SEMI-CIRCLE . STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/01/12 AT 18 UTC: 32.3S / 72.6E, MAX WIND = 55 KT, EXTRATROPICAL. 24H, VALID 2009/01/13 AT 06 UTC: 34.9S / 75.7E, MAX WIND = 55 KT, EXTRATROPICAL. OTHER INFORMATIONS: STRONGER WINDS EXTEND FAR FROM THE CENTER IN THE SOUTHEASTERN SEMI-CIRCLE DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES, AND THE OWN SYSTEM SPEED. DONGO IS EXPECTED TO TRACK RAPIDLY SOUTH SOUTHEASTWARDS.