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 120000 SECURITE GALE WARNING FOR METAREA VII AND METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 12/01/2009 AT 0000 UTC. WARNING NUMBER: 016/05 (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: MONDAY 12/01/2009 AT 0000 UTC. PHENOMENON: MODERATE TROPICAL STORM 5 (DONGO) 987 HPA POSITION: 27.0S / 70.2E (TWENTY SEVEN DECIMAL ZERO DEGREES SOUTH AND SEVENTY DECIMAL TWO DEGREES EAST) AT 0000 UTC MOVEMENT: SOUTH-SOUTH-EAST 20 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 70 NM RADIUS FROM THE CENTER, EXTENDING UP TO 300 NM IN THE SOUTHEASTERN SEMI-CIRCLE. 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 60 NM RADIUS FROM THE CENTER EXTENDING UP TO 100 NM IN THE SOUTHWESTERN QUADRANT TO 220 NM IN THE EASTERN SEMI-CIRCLE . STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2009/01/12 AT 12 UTC: 30.1S / 71.1E, MAX WIND = 40 KT, BECOMING EXTRATROPICAL. 24H, VALID 2009/01/13 AT 00 UTC: 33.1S / 73.6E, MAX WIND = 40 KT, EXTRATROPICAL. OTHER INFORMATIONS: STRONGER WINDS EXTEND FAR FROM THE CENTER IN THE EASTERN SEMI-CIRCLE DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES, AND THE OWN SYSTEM SPEED. ENVIRONMENTAL CONDITIONS ARE MORE AND MORE UNFAVOURABLE AND DONGO IS WEAKENING BEFORE BECOMING EXTRA-TROPICAL.