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 : 56/7/20062007
1.A EXTRATROPICAL DEPRESSION 7 (EX-DORA)
2.A POSITION 2007/02/11 AT 0000 UTC :
WITHIN 20 NM RADIUS OF POINT 29.9S / 55.0E
(TWENTY NINE DECIMAL NINE DEGREES SOUTH AND FIFTY FIVE DECIMAL ZERO DEGREES EAST)
3.A DVORAK ANALYSIS : /
4.A CENTRAL PRESSURE : 990 HPA
5.A MAX AVERAGE WIND SPEED (10 MN) : 50 KT
6.A EXTENSION OF WINDS BY QUADRANTS (KM):
30 KT NE: 250 SE: 600 SO: 600 NO: 300
50 KT NE: 050 SE: 150 SO: 150 NO:
7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1004 HPA / 1000 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: SHALLOW
1.B FORECASTS:
12H: 2007/02/11 12 UTC: 31.3S/52.7E, MAX WIND=045KT, EXTRATROPICAL.
24H: 2007/02/12 00 UTC: 32.4S/50.7E, MAX WIND=045KT, EXTRATROPICAL.
36H: 2007/02/12 12 UTC: 34.9S/49.3E, MAX WIND=040KT, EXTRATROPICAL.
48H: 2007/02/13 00 UTC: 39.3S/49.3E, MAX WIND=040KT, EXTRATROPICAL.
60H: 2007/02/13 12 UTC: 45.9S/50.3E, MAX WIND=035KT, EXTRATROPICAL.
72H: 2007/02/14 00 UTC: 52.1S/53.4E, MAX WIND=035KT, EXTRATROPICAL.
2.B OTHER INFORMATIONS:
STRONGEST WINDS EXTEND FAR FROM IN THE SOUTHERN SEMI-CIRCLE DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES.
THE SYSTEM IS EXPECTED TO TRACK ON THE NORTHWESTERN EDGE OF THE SUBTROPICAL HIGH PRESSURES, THEN EVACUATE WITH THE NEXT TROUGH.