TC 02S on the horizon?

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senorpepr
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TC 02S on the horizon?

#1 Postby senorpepr » Mon Oct 25, 2004 8:13 am

Meteo-France is issuing distrubance statements on 93S.

Code: Select all

WTIO22 FMEE 251226
SECURITE
WARNING FOR METAREA VII AND METAREA VIII (S)
ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 25/10/2004 AT
1200 UTC.
WARNING NUMBER: 002/02 (SOUTH-WEST INDIAN OCEAN)

10 MINUTES AVERAGE WIND SPEED IN KNOTS (KT)
(WIND GUSTS AT SEA MAY BE ABOUT 40% STRONGER THAN THE AVERAGED WIND).
MINIMUM SEA LEVEL PRESSURE IN HECTOPASCALS (HPA)
(INDICATIVE FIGURE).

WARNING
BEGINNING OF VALIDITY: MONDAY    25/10/2004 AT 1200 UTC.

PHENOMENON:        TROPICAL DISTURBANCE 2 1004 HPA
POSITION:            8.4S / 59.9E
(EIGHT DECIMAL FOUR DEGREES SOUTH AND FIFTY NINE DECIMAL NINE DEGREES
EAST) AT 1200 UTC
MOVEMENT:          WEST 10 KT

THREAT AREAS:
SQUALLY WEATHER EXISTS WITHIN 120 NM RADIUS OF THE CENTRE, MAINLY IN THE
SOUTHERN SEMI-CIRCLE.

CLOCKWISE CIRCULATION 15/25 KT AND MODERATE TO ROUGH SEAS NEAR THE CENTRE
, REACHING 25/30 KT FAR FROM THE CENTRE IN THE SOUTHERN SEMI-CIRCLE DUE
TO THE GRADIANT WITH THE HIGH PRESSURES IN THE SOUTH.
STRONG GUSTS UNDER SQUALLS.


FORECAST POSITION AND INTENSITY:
12H, VALID 2004/10/26 AT 00 UTC:
8.5S / 57.9E, MAX WIND = 25 KT.
24H, VALID 2004/10/26 AT 12 UTC:
8.5S / 55.9E, MAX WIND = 25 KT.

OTHER INFORMATIONS:
T=1.5+.CI=2.0-.
THE SYSTEM IS EXPECTED TO TRACK WESTWARDS DURING ALL THE PERIODE ON THE
NORTHERN EDGE OF THE SUBTROPICAL HIGH PRESSURES.
AT THIS STAGE, THE SYSTEM DOES NOT JUSTIFY  REGULAR WARNINGS.
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#2 Postby senorpepr » Mon Oct 25, 2004 8:47 pm

Looks like Meteo-France has upgraded 93S to a tropical depression. I expect the JTWC to follow suit soon.

Code: Select all

WTIO22 FMEE 260000
SECURITE
WARNING FOR METAREA VII AND METAREA VIII (S)
ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTRE/LA REUNION 26/10/2004
AT
0000 UTC.
WARNING NUMBER: 004/02 (SOUTH-WEST INDIAN OCEAN)

10 MINUTES AVERAGE WIND SPEED IN KNOTS (KT)
(WIND GUSTS AT SEA MAY BE ABOUT 40% STRONGER THAN THE AVERAGED WIND).
MINIMUM SEA LEVEL PRESSURE IN HECTOPASCALS (HPA)
(INDICATIVE FIGURE).

WARNING
BEGINNING OF VALIDITY: TUESDAY   26/10/2004 AT 0000 UTC.

PHENOMENON:        TROPICAL DEPRESSION 2 999 HPA
POSITION:          WITHIN 20 NM RADIUS OF POINT  8.2S / 57.3E
(EIGHT DECIMAL TWO DEGREES SOUTH AND FIFTY SEVEN DECIMAL THREE
DEGREES
EAST) AT 0000 UTC
MOVEMENT:          WEST 10 KT

THREAT AREAS:
SQUALLY WEATHER EXISTS WITHIN 100 NM RADIUS OF THE CENTRE  WITHIN THE
WESTERN SEMI-CIRCLE, EXTENDING UP TO 150 NM IN THE SOUTHERN QUADRANT.

NEAR GALE FORCE WINDS 30 KT AND MODERATE TO ROUGH SEAS NEAR THE
CENTRE,
REACHING LOCALLY NEAR GALE  FORCE WINDS 30 KT FAR FROM THE CENTRE IN
THE
SOUTHERN SEMI-CIRCLE DUE TO THE GRADIANT WITH THE HIGH PRESSURES IN
THE
SOUTH.
STRONG GUSTS UNDER SQUALLS.


FORECAST POSITION AND INTENSITY:
12H, VALID 2004/10/26 AT 12 UTC:
8.2S / 55.0E, MAX WIND = 30 KT.
24H, VALID 2004/10/27 AT 00 UTC:
8.1S / 52.7E, MAX WIND = 30 KT.

OTHER INFORMATIONS:
T=CI=2.0+.
THE SYSTEM IS EXPECTED TO TRACK WESTWARDS DURING ALL THE PERIODE ON
THE
NORTHERN EDGE OF THE SUBTROPICAL HIGH PRESSURES.=
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#3 Postby senorpepr » Mon Oct 25, 2004 8:48 pm

Code: Select all

WTIO30 FMEE 260001
RSMC / TROPICAL CYCLONE CENTRE / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)

0.A WARNING NUMBER                 : 4/2/20042005
1.A TROPICAL DEPRESSION 2

2.A POSITION 2004/10/26 AT 0000 UTC :
WITHIN 20 NM RADIUS OF POINT 8.2S / 57.3E
(EIGHT DECIMAL TWO DEGREES SOUTH AND FIFTY SEVEN DECIMAL THREE
DEGREES
EAST)

3.A DVORAK ANALYSIS                : 2.0/2.0 /D  0.5/24 H
4.A CENTRAL PRESSURE               : 999 HPA
5.A MAX AVERAGE WIND SPEED (10 MN) : 27 KT

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


7.A FIRST CLOSED ISOBARE (PRESSURE / AVERAGE DIAM): 1008 HPA / 900 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION: MEDIUM

1.B FORECASTS:
12H: 2004/10/26 12 UTC: 08.2S/55.0E, MAX WIND=030KT.
24H: 2004/10/27 00 UTC: 08.1S/52.7E, MAX WIND=030KT.
36H: 2004/10/27 12 UTC: 08.0S/50.3E, MAX WIND=035KT.
48H: 2004/10/28 00 UTC: 07.9S/47.9E, MAX WIND=035KT.
60H: 2004/10/28 12 UTC: 08.0S/45.4E, MAX WIND=040KT.
72H: 2004/10/29 00 UTC: 07.9S/42.9E, MAX WIND=040KT.

2.B OTHER INFORMATIONS:
T=CI=2.0+.
THE SYSTEM IS EXPECTED TO TRACK WESTWARDS, ON THE NORTHERN EDGE OFF
THE
SUBTROPICALS HIGH PRESSURES, BUT THE INTENSIFICATION IS FORCASTED TO
REMAIN LIMITED, ALIMENTATION IS ONLY DUE TO TRADES FLOW IN THE SOUTH.=
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#4 Postby yoda » Mon Oct 25, 2004 9:20 pm

Is this only the second system in the Indian Ocean?
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#5 Postby senorpepr » Mon Oct 25, 2004 9:22 pm

yoda wrote:Is this only the second system in the Indian Ocean?


Yes, but remember that the season is just starting. There season, numerically, runs from July 1st to June 30th rather than our January 1st to December 31st.

For them, this system is like a cyclone forming in April. Actually, the first cyclone was really out-of-season. Things are just starting to heat up down there.
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