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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 : 3/3/20082009
1.A TROPICAL DEPRESSION 3

2.A POSITION 2008/11/19 AT 1800 UTC :
WITHIN 30 NM RADIUS OF POINT 9.6S / 80.9E
(NINE DECIMAL SIX DEGREES SOUTH AND EIGHTY DECIMAL NINE DEGREES EAST)
MOVEMENT : EAST 10 KT

3.A DVORAK ANALYSIS : 2.5/2.5 /D 1.0/24 H
4.A CENTRAL PRESSURE : 998 HPA
5.A MAX AVERAGE WIND SPEED (10 MN) : 30 KT
RADIUS OF MAXIMUM WINDS (RMW) : 50 KM

6.A EXTENSION OF WINDS BY QUADRANTS (KM):
30 KT NE: 050 SE: SO: NO: 050

7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1007 HPA / 1000 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: MEDIUM

1.B FORECASTS:
12H: 2008/11/20 06 UTC: 10.0S/83.9E, MAX WIND=030KT, TROP. DEPRESSION.
24H: 2008/11/20 18 UTC: 09.5S/87.2E, MAX WIND=035KT, MODERATE TROP. STORM.
36H: 2008/11/21 06 UTC: 08.9S/89.5E, MAX WIND=030KT, TROP. DEPRESSION.
48H: 2008/11/21 18 UTC: 08.2S/91.7E, MAX WIND=025KT, TROP. DISTURBANCE.
60H: 2008/11/22 06 UTC: 07.6S/93.5E, MAX WIND=025KT, TROP. DISTURBANCE.
72H: 2008/11/22 18 UTC: 07.0S/95.3E, MAX WIND=025KT, TROP. DISTURBANCE.

2.B OTHER INFORMATIONS:
T=CI=2.5-
A SMALL AND COMPACT CONVECTIVE ACTIVITY IS ORGANIZING, WRAPING ABOVE THE LLCC.
THE SYSTEM EVOLVES WITHIN A NEUTRAL TO FAVORABLE ENVIRONMENT FOR INTENSIFICATION DURING THE NEXT 24 HOURS : SUFFICIENT OCEANIC HEAT CONTENT, FAIR LOW LEVEL FEEDING, POOR VERTICAL WINDSHEAR, BUT RATHER WEAK OUTFLOW (NEUTRAL UPPER LEVEL DIVERGENCE, WITH FEW CIRRUS) IN HIGH LEVEL. IT COULD REACH TEMPORARILLY THE TROPICAL STORM INTENSITY.

BEYOND, NORTHERLY WINDSHEAR SHOULD NOT ALLOW THE SYSTEM TO MAINTAIN ITS INTENSITY.

THE SYSTEM IS ACCELERATING EASTWARDS.
NWP ARE IN GOOD AGREEMENT. THE SYSTEM SHOULD TRACK EASTWARDS UNDER THE STEERING INFLUENCE OF THE EQUATORWARDS WELL ESTABLISHED WESTERLIES WINDS. THE SYSTEM SHOULD CROSS THE 90TH EASTERN PARRALEL ON THE FRIDY 21TH.

THE TRACK FORECAST IS A CONSENSUS OF THE AVAILABLE MODELS.