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 211200 SECURITE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 21/02/2007 AT 1200 UTC. WARNING NUMBER: 001/11 (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). WARNING BEGINNING OF VALIDITY: WEDNESDAY 21/02/2007 AT 1200 UTC. PHENOMENON: TROPICAL DISTURBANCE 11 1001 HPA POSITION: WITHIN 40 NM RADIUS OF POINT 10.5S / 88.5E (TEN DECIMAL FIVE DEGREES SOUTH AND EIGHTY EIGHT DECIMAL FIVE DEGREES EAST) AT 1200 UTC MOVEMENT: WEST-SOUTH-WEST 9 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 250NM RADIUS FROM THE CENTER MAINLY IN THE SOUTHWESTERN SEMI-CIRCLE. WIDE CLOCKWISE CIRCULATION 20/25 KT AND MODERATE TO ROUGH SEAS AROUND THE CENTER, REACHING LOCALLY NEAR GALE FORCE WINDS 30KT AND ROUGH TO VERY ROUGH SEAS UP TO 120NM FROM THE CENTER IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2007/02/22 AT 00 UTC: 11.3S / 87.0E, MAX WIND = 25 KT, TROP. DISTURBANCE. 24H, VALID 2007/02/22 AT 12 UTC: 12.1S / 84.9E, MAX WIND = 30 KT, TROP. DEPRESSION. OTHER INFORMATIONS: WIDE CLOCKWISE CIRCULATION. STRONGEST WINDS ARE LOCATED IN THE SOUTHERN SEMI-CIRCLE DUE TO GRADIENT EFFECT WITH SUBTROPICAL HIGH PRESSURES. FOR THE MOMENT, DEEP CONVECTION (THUNDERSTORM ACTIVITY) IS FLARING WEST OF THE MAIN LOW LEVEL CENTER. AT THIS STAGE, THIS SYSTEM DOESN'T JUSTIFY ISSUANCE OF REGULAR WARNINGS.