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 : 27/11/20052006 1.A EXTRATROPICAL DEPRESSION 11 (EX-DIWA) 2.A POSITION 2006/03/09 AT 0000 UTC : WITHIN 40 NM RADIUS OF POINT 32.3S / 59.6E (THIRTY TWO DECIMAL THREE DEGREES SOUTH AND FIFTY NINE DECIMAL SIX DEGREES EAST) 3.A DVORAK ANALYSIS : / 4.A CENTRAL PRESSURE : 985 HPA 5.A MAX AVERAGE WIND SPEED (10 MN) : 55 KT 6.A EXTENSION OF WINDS BY QUADRANTS (KM): 30 KT NE: 330 SE: 600 SO: 500 NO: 270 50 KT NE: 060 SE: 120 SO: 120 NO: 060 7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1006 HPA / 1000 KM 8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: DEEP 1.B FORECASTS: 12H: 2006/03/09 12 UTC: 34.5S/62.5E, MAX WIND=055KT, EXTRATROPICAL. 24H: 2006/03/10 00 UTC: 36.6S/67.5E, MAX WIND=055KT, EXTRATROPICAL. 36H: 2006/03/10 12 UTC: 38.7S/72.9E, MAX WIND=050KT, EXTRATROPICAL. 48H: 2006/03/11 00 UTC: 40.8S/78.7E, MAX WIND=045KT, EXTRATROPICAL. 60H: 2006/03/11 12 UTC: 42.8S/85.1E, MAX WIND=040KT, EXTRATROPICAL. 2.B OTHER INFORMATIONS: "EX-DIWA" HAS COMPLETED THE EXTRA-TROPICAL TRANSITION : THE ELLIPTIC LLCC IS GETTING POORLY ORGANIZED (AQUA-1 2059Z), THE ASSOCIATED CONVECTIVE ACTIVITY IS FAR SOUTH AND EAST OF THE CENTRE. THE MAXIMUM WINDS ARE LOCATED IN THE SOUTHEASTERN SEMI-CIRCLE DUE TO THE MOTION OF THE SYSTEM AND TO THE GRADIENT WITH SUBTROPICAL HIGH PRESSURES. "EX-DIWA" KEEPS ON TRACKING SOUTHEASTWARDS TOWARDS THE POLAR WESTERLY CIRCULATION.