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 260600 SECURITE STORM WARNING FOR METAREA VIII (S) ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 26/02/2007 AT 0600 UTC. WARNING NUMBER: 021/11 (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). STORM WARNING BEGINNING OF VALIDITY: MONDAY 26/02/2007 AT 0600 UTC. PHENOMENON: SEVERE TROPICAL STORM 11 (HUMBA) 980 HPA POSITION: 22.5S / 77.4E (TWENTY TWO DECIMAL FIVE DEGREES SOUTH AND SEVENTY SEVEN DECIMAL FOUR DEGREES EAST) AT 0600 UTC MOVEMENT: SOUTH-SOUTH-WEST 9 KT THREAT AREAS: SQUALLY WEATHER EXISTS WITHIN 80 NM RADIUS FROM THE CENTER, EXTENDING LOCALLY UP TO 500 NM IN THE SOUTHEASTERN QUADRANT. STORM FORCE WINDS 50KT AND HIGH TO VERY HIGH SEAS WITHIN 30 NM RADIUS FROM THE CENTER. GALE FORCE WINDS 35/45KT AND VERY ROUGH SEAS TO HIGH SEAS WITHIN 90 NM RADIUS FROM THE CENTER. NEAR GALE FORCE WINDS 30KT AND ROUGH TO VERY ROUGH SEAS WITHIN 150 NM RADIUS OF THE CENTER, EXTENDING UP TO 300 NM IN THE SOUTERN SEMI-CIRCLE STRONG GUSTS UNDER SQUALLS. FORECAST POSITION AND INTENSITY: 12H, VALID 2007/02/26 AT 18 UTC: 24.3S / 77.1E, MAX WIND = 50 KT, SEVERE TROP. STORM. 24H, VALID 2007/02/27 AT 06 UTC: 25.8S / 76.9E, MAX WIND = 45 KT, BECOMING EXTRATROPICAL. OTHER INFORMATIONS: "HUMBA" IS WEAKENING DUE TO AN INCREASING NORTH-WESTERLY VERTICAL WIND SHEAR, WHICH "PUSHES" DEEP CONVECTION (THUNDERSTORM ACTIVITY) SOUTHEASTWARDS. NEVERTHELESS, LOW LEVEL CIRCULATION IS STILL WELL ESTABLISHED. "HUMBA" IS EXPECTED TO KEEP ON TRACKING MAINLY SOUTHWARDS, WEAKENING GRADUALLY AND BECOMING EXTRTROPICAL OVER SEAS SOUTH OF 25 SOUTH WHERE SST ARE UNDER 26 DEGRES CELSIUS..