SW Indian Ocean: Invest 91S

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Chacor
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#21 Postby Chacor » Sun Oct 22, 2006 7:53 am

It's back as a tropical disturbance, expected to intensify into a TD soon.

BULLETIN DU 22 OCTOBRE A 16H30 LOCALES:

IL N'Y A PAS D'ALERTE EN COURS A LA REUNION, ET AUCUNE
MENACE CYCLONIQUE N'EST ENVISAGEE POUR LES PROCHAINES 72 HEURES.
*****************************************************



NATURE DU SYSTEME DEPRESSIONNAIRE TROPICAL
PRESENT SUR LE SUD-OUEST DE L'OCEAN INDIEN


PERTURBATION TROPICALE 01-20062007

PRESSION ESTIMEE AU CENTRE : 1002 HPA.
POSITION LE 22 OCTOBRE A 16 HEURES LOCALES: 9.7 SUD / 54.6 EST
(NEUF DEGRES SEPT SUD ET CINQUANTE-QUATRE DEGRES SIX EST).

DISTANCE DES COTES REUNIONNAISES: 1245 KM AU NORD
DEPLACEMENT: SUD-OUEST A 16 KM/H.

VOICI LES INTENSITES ET POSITIONS PREVUES DE CE SYSTEME DEPRESSIONNAIRE AU COURS DES PROCHAINS JOURS

DEPR. TROPICALE, CENTRE POSITIONNE DANS 24H PAR 9.8S/50.2E
DEPR. TROPICALE, CENTRE POSITIONNE DANS 48H PAR 9S/46.7E
PERTURB. TROPICALE, CENTRE POSITIONNE DANS 72H PAR 7.8S/43.8E


ATTENTION: LES PREVISIONS DE TRAJECTOIRE ET D'INTENSITE
PRECEDENTES SONT A CONSIDERER AVEC LA PLUS GRANDE PRUDENCE
COMPTE TENU DE LEUR INCERTITUDE. ELLES NE CONCERNENT QUE LA
POSITION DU CENTRE DU PHENOMENE, SANS CONSIDERATION SUR SON
EXTENSION.




CE BULLETIN EST A
PRESENT TERMINE.
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JonathanBelles
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#22 Postby JonathanBelles » Sun Oct 22, 2006 8:48 am

glad i can read french!
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#23 Postby P.K. » Sun Oct 22, 2006 10:20 am

RSMC / TROPICAL CYCLONE CENTRE / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)

0.A WARNING NUMBER : 5/1/20062007
1.A TROPICAL DISTURBANCE 1

2.A POSITION 2006/10/22 AT 1200 UTC :
WITHIN 30 NM RADIUS OF POINT 9.7S / 54.6E
(NINE DECIMAL SEVEN DEGREES SOUTH AND FIFTY FOUR DECIMAL SIX DEGREES
EAST
)

3.A DVORAK ANALYSIS : 2.0/2.0 MOINS /D 0.5/24 H
4.A CENTRAL PRESSURE : 1002 HPA
5.A MAX AVERAGE WIND SPEED (10 MN) : 25 KT

6.A EXTENSION OF WINDS BY QUADRANTS (KM):


7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1010 HPA / 500 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: MEDIUM

1.B FORECASTS:
12H: 2006/10/23 00 UTC: 09.8S/52.4E, MAX WIND=030KT, TROP.
DEPRESSION.
24H: 2006/10/23 12 UTC: 09.8S/50.2E, MAX WIND=030KT, TROP.
DEPRESSION.
36H: 2006/10/24 00 UTC: 09.4S/48.3E, MAX WIND=030KT, TROP.
DEPRESSION.
48H: 2006/10/24 12 UTC: 09.0S/46.7E, MAX WIND=030KT, TROP.
DEPRESSION.
60H: 2006/10/25 00 UTC: 08.5S/45.2E, MAX WIND=025KT, TROP.
DISTURBANCE.
72H: 2006/10/25 12 UTC: 07.8S/43.8E, MAX WIND=025KT, TROP.
DISTURBANCE.

2.B OTHER INFORMATIONS:
T=CI=2.0+.

CORRECTIVE : TEXT

CONVECTION IS ORGANIZING, WRAPING ABOVE THE LLCC.
IN THIS ACTIVE PHASIS OF MJO, CONVECTION IS ENHANCED BY A VERY GOOD
UPPER
LEVEL POLEWARDS OUTFLOW, RATHER GOOD EQUATORIAL OUTFLOW.
NEVERTHELESS, IT REMAINS RATHER WARM, AND LOW LEVEL PRESSURE IS STILL
RATHER HIGH IN THIS MIDSEASON.
LOW LEVEL CONVERGENCE IS WEAK.

THE SYSTEM COULD INTENSIFY LIGHTLY AS IT CURVE NORTHWESTWARDS, EDGING
A
RAPID POLEWARDS OUTFLOW (JETSTREAM).=
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