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

RSMC / TROPICAL CYCLONE CENTRE / LA REUNION TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN) 0.A WARNING NUMBER : 30/11/20062007 1.A EXTRATROPICAL DEPRESSION 11 (EX-HUMBA) 2.A POSITION 2007/02/28 AT 0600 UTC : WITHIN 30 NM RADIUS OF POINT 29.8S / 78.0E (TWENTY NINE DECIMAL EIGHT DEGREES SOUTH AND SEVENTY EIGHT DECIMAL ZERO DEGREES EAST) 3.A DVORAK ANALYSIS : / 4.A CENTRAL PRESSURE : 980 HPA 5.A MAX AVERAGE WIND SPEED (10 MN) : 45 KT 6.A EXTENSION OF WINDS BY QUADRANTS (KM): 30 KT NE: 400 SE: 700 SO: 700 NO: 400 7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1004 HPA / 900 KM 8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: MEDIUM 1.B FORECASTS: 12H: 2007/02/28 18 UTC: 31.2S/79.6E, MAX WIND=045KT , EXTRATROPICAL. 24H: 2007/03/01 06 UTC: 32.2S/82.3E, MAX WIND=045KT , EXTRATROPICAL. 36H: 2007/03/01 18 UTC: 33.6S/84.5E, MAX WIND=045KT , EXTRATROPICAL. 48H: 2007/03/02 06 UTC: 35.5S/86.2E, MAX WIND=045KT , EXTRATROPICAL. 60H: 2007/03/02 18 UTC: 36.8S/87.9E, MAX WIND=045KT , EXTRATROPICAL. 72H: 2007/03/03 06 UTC: 39.4S/91.8E, MAX WIND=045KT , EXTRATROPICAL. 2.B OTHER INFORMATIONS: "EX-HUMBA" IS NOW AN EXTRA-TROPICAL DEPRESSION, WITH A BROAD AND ASYMETTRICAL CLOCKWISE CIRCULATION (STRONGEST WINDS EXTEND FAR FROM THE CENTER IN THE SOUTHERN SEMI-CIRCLE). "EX-HUMBA" IS EXPECTED TO SLOW DOWN ON ITS CURRENT SOUTHWARDS TRACK DURING THE NEXT 6 TO 12 HOURS LINKED TO LOW LEYER HIGHS SOUTHWARD, BEFORE SHIFTING SOUTHEASTWARDS TOWARDS A POLAR TROUGH, TAKING ADVANTAGE OF A WEAKNESS IN THE HIGH BELT.