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RSMC / TROPICAL CYCLONE CENTRE / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
0.A WARNING NUMBER : 29/11/20052006
1.A EXTRATROPICAL DEPRESSION 11 (EX-DIWA)
2.A POSITION 2006/03/09 AT 1200 UTC :
35.2S / 62.5E
(THIRTY FIVE DECIMAL TWO DEGREES SOUTH AND SIXTY TWO DECIMAL FIVE DEGREES EAST)
3.A DVORAK ANALYSIS : /
4.A CENTRAL PRESSURE : 985 HPA
5.A MAX AVERAGE WIND SPEED (10 MN) : 60 KT
6.A EXTENSION OF WINDS BY QUADRANTS (KM):
30 KT NE: 500 SE: 600 SO: 300 NO: 300
50 KT NE: 300 SE: 200 SO: 150 NO: 150
7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1006 HPA / 1000 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: DEEP
1.B FORECASTS:
12H: 2006/03/10 00 UTC: 36.2S/67.3E, MAX WIND=060KT, EXTRATROPICAL.
24H: 2006/03/10 12 UTC: 38.2S/73.1E, MAX WIND=055KT, EXTRATROPICAL.
36H: 2006/03/11 00 UTC: 40.3S/78.6E, MAX WIND=055KT, EXTRATROPICAL.
48H: 2006/03/11 12 UTC: 42.5S/84.8E, MAX WIND=050KT, EXTRATROPICAL.
60H: 2006/03/12 00 UTC: 45.6S/92.1E, MAX WIND=045KT, EXTRATROPICAL.
72H: 2006/03/12 12 UTC: 47.0S/98.0E, MAX WIND=040KT, EXTRATROPICAL.
2.B OTHER INFORMATIONS:
"EX-DIWA" HAS NOW AN EXTRA-TROPICAL STRUCTURE. THE MAXIMUM WINDS ARE LOCATED IN THE SOUTH AND MAINLY EASTERN SEMI-CIRCLES DUE TO THE MOTION OF THE SYSTEM AND TO THE GRADIENT WITH SUBTROPICAL HIGH PRESSURES. "EX-DIWA" KEEPS ON TRACKING EAST SOUTHEASTWARDS INTO THE POLAR WESTERLY CIRCULATION.