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 211800 SECURITE WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 21/02/2007 AT 1800 UTC. WARNING NUMBER: 002/11 (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 1800 UTC. PHENOMENON: TROPICAL DISTURBANCE 11 1000 HPA POSITION: WITHIN 30 NM RADIUS OF POINT 10.8S / 86.5E (TEN DECIMAL EIGHT DEGREES SOUTH AND EIGHTY SIX DECIMAL FIVE DEGREES EAST) AT 1800 UTC MOVEMENT: WEST-SOUTH-WEST 10 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 20 NM RADIUS FROM THE ESTIMATED CENTER, EXTENDING UP TO 350 MN IN THE WESTERN SEMI-CIRCLE. BROAD CLOCKWISE CIRCULATION 20/25 KT AND MODERATE TO ROUGH SEAS NEAR THE CENTER, REACHING LOCALLY NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS UP TO 120 NM FROM THE CENTER IN THE SOUTHERN SEMI-CIRCLE. STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2007/02/22 AT 06 UTC: 11.2S / 84.8E, MAX WIND = 30 KT, TROP. DEPRESSION. 24H, VALID 2007/02/22 AT 18 UTC: 12.3S / 83.0E, MAX WIND = 35 KT, MODERATE TROP. STORM. OTHER INFORMATIONS: BROAD AND POORLY DEFINED CLOCKWISE CIRCULATION. STRONGEST WINDS ARE LOCATED IN THE SOUTHERN SEMI-CIRCLE DUE TO GRADIENT EFFECT WITH SUBTROPICAL HIGH PRESSURES. AT THE MOMENT, THUNDERSTORM ACTIVITY IS FLARING WEST OF THE MAIN LOW LEVEL CENTER. AT THIS STAGE, THIS SYSTEM DOESN'T JUSTIFY ISSUANCE OF REGULAR WARNINGS.