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 171200 SECURITE NEAR GALE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 17/11/2007 AT 1200 UTC. WARNING NUMBER: 009/02 (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). NEAR GALE WARNING BEGINNING OF VALIDITY: SATURDAY 17/11/2007 AT 1200 UTC. PHENOMENON: TROPICAL DEPRESSION 2 (EX-ARIEL) 998 HPA POSITION: WITHIN 30 NM RADIUS OF POINT 11.8S / 87.0E (ELEVEN DECIMAL EIGHT DEGREES SOUTH AND EIGHTY SEVEN DECIMAL ZERO DEGREES EAST) AT 1200 UTC MOVEMENT: WEST-SOUTH-WEST 5 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 100 NM RADIUS OF THE CENTER EXTENDING UP TO 330 NM IN THE SOUTHEASTERN SEMI-CIRCLE. CLOCKWISE CIRCULATION 20 TO 30 KT AROUND THE CENTER OF ARIEL. NEAR GALE FORCE WINDS 30 KT AND ROUGH SEAS IN THE SOUTHERN SEMI CIRCLE EXTENDING UP TO 80 NM IN THE SOUTHWESTERN QUADRANT AND UP 110 NM IN THE SOUTHEASTERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2007/11/18 AT 00 UTC: 12.0S / 85.8E, MAX WIND = 25 KT, TROP. DISTURBANCE. 24H, VALID 2007/11/18 AT 12 UTC: 12.1S / 84.5E, MAX WIND = 25 KT, FILLING UP. OTHER INFORMATIONS: "EX ARIEL" HAS BEGUN A WESTSOUTHWESTWARDS TRACK. AS THE SYSTEM REMAINS POORLY ORGANISED, IT WILL BE STEERED BY THE LOW LEVEL FLOW FOR THE NEXT FEW DAYS BEFORE DISSIPATING. SO PRESENT GUIDANCE IS FASTER THAN THE PREVIOUS ONE. STRONG WINDS ARE IN THE SOUTHERN SEMI CIRCLE BY GRADIENT EFFECT WITH THE SUBTROPICAL RIDGE.