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 : 57/7/20062007 1.A EXTRATROPICAL DEPRESSION 7 (EX-DORA) 2.A POSITION 2007/02/11 AT 0600 UTC : WITHIN 20 NM RADIUS OF POINT 30.1S / 53.9E (THIRTY DECIMAL ONE DEGREES SOUTH AND FIFTY THREE DECIMAL NINE DEGREES EAST) 3.A DVORAK ANALYSIS : / 4.A CENTRAL PRESSURE : 985 HPA 5.A MAX AVERAGE WIND SPEED (10 MN) : 40 KT 6.A EXTENSION OF WINDS BY QUADRANTS (KM): 30 KT NE: 350 SE: 450 SO: 450 NO: 220 7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1004 HPA / 800 KM 8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: SHALLOW 1.B FORECASTS: 12H: 2007/02/11 18 UTC: 31.0S/52.0E, MAX WIND=040KT , EXTRATROPICAL. 24H: 2007/02/12 06 UTC: 32.4S/50.4E, MAX WIND=040KT , EXTRATROPICAL. 36H: 2007/02/12 18 UTC: 34.5S/49.5E, MAX WIND=035KT , EXTRATROPICAL. 48H: 2007/02/13 06 UTC: 37.5S/49.5E, MAX WIND=035KT , EXTRATROPICAL. 60H: 2007/02/13 18 UTC: 40.5S/50.5E, MAX WIND=040KT , EXTRATROPICAL. 2.B OTHER INFORMATIONS: THE LATEST QUIKSCAT WRATH CONFIRMS THE EXTRA-TROPICAL STRUCTURE WITH STRONG WINDS FAR FROM THE CENTRE, MAINLY LOCATED IN THE SOUTHERN SEMI-CIRCLE DUE TO THE INNER SPEED OF THE SYSTEM AND TO THE GRADIENT WITH THE SUBTROPICAL HIGH PRESSURES. "EX-DORA" IS EXPECTED TO KEEP ON TRACKING ON THE NORTHWESTERN EDGE OF THE SUBTROPICAL HIGH BEFORE VEERING TOWARDS THE TROUGH.