SPO: ATU (11F/17P) Tropical Cyclone

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SPO: ATU (11F/17P) Tropical Cyclone

#1 Postby cycloneye » Sun Feb 13, 2011 2:30 pm

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#2 Postby Grifforzer » Sun Feb 13, 2011 5:26 pm

RSMC Nadi Tropical Cyclone Outlook

Tuesday 15th February

A tropical disturbance is expected to develop in the area shaded below and the potential for this disturbance to develop into a cyclone would be LOW.

Wednesday 16th February

The tropical disturbance is expected to remain slow moving in the area shaded below with slight intensification and the potential for this disturbance to develop into a cyclone would be LOW TO MODERATE.
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Re: SPO: INVEST 90P

#3 Postby cycloneye » Sun Feb 13, 2011 7:05 pm

Not looking too bad.

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#4 Postby Grifforzer » Sun Feb 13, 2011 10:47 pm

Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Feb 13/2256 UTC 2011 UTC.

TROPICAL DISTURBANCE TD11F ANALYSED NEAR 18.2S 167.9E AT 132100 UTC
SLOW MOVING. POSITION POOR BASED ON MTSAT VIS/IR WITH ANIMATION AND
PERIPHERAL OBSERVATIONS. SST AROUND 30 DEGREES.

ORGANISATION REMAINS POOR WITH DEEP CONVECTION DISPLACED TO THE SOUTH
OF THE SYSTEM. CYCLONIC CIRCULATION EXTENDS UPTO 700HPA. SYSTEM LIES
UNDER AN UPPER RIDGE IN A MODERATELY SHEARED ENVIRONMENT.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND ARE MOVING IT WESTWARDS
WITH SLIGHT INTENSIFICATION.

THE POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN
THE NEXT 24 TO 48 HOURS IS LOW.
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#5 Postby KWT » Mon Feb 14, 2011 4:53 am

Alot of convection there, though the models aren't all that keen on developing it. The 00z ECM for example only just about develops a closed off low with this system.
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#6 Postby HURAKAN » Mon Feb 14, 2011 6:31 am

Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Feb 14/0812 UTC 2011 UTC.

TROPICAL DISTURBANCE TD11F ANALYSED NEAR 18.5S 166.0E AT 140600 UTC
SLOW MOVING. POSITION POOR BASED ON MTSAT IR WITH ANIMATION AND
PERIPHERAL OBSERVATIONS. SST AROUND 30 DEGREES.

ORGANISATION REMAINS POOR. DEEP CONVECTION PERSISTS IN THE
SOUTHEASTERN QUADRANT OF THE SYSTEM. CYCLONIC CIRCULATION EXTENDS
UPTO 500HPA. SYSTEM LIES TO THE SOUTH OF AN UPPER RIDGE IN A
MODERATELY SHEARED ENVIRONMENT.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND ARE MOVING IT WESTWARDS
WITH SLIGHT INTENSIFICATION.

THE POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN
THE NEXT 24 TO 48 HOURS IS LOW.

NO OTHER SIGNIFICANT TROPICAL DISTURBANCE ANALYSED OR FORECAST IN THE
AREA.
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#7 Postby HURAKAN » Wed Feb 16, 2011 12:47 pm

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#8 Postby HURAKAN » Wed Feb 16, 2011 12:48 pm

Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Feb 16/0836 UTC 2011 UTC.

TROPICAL DISTURBANCE TD11F [1004 HPA] ANALYSED NEAR 14.6S 169.5E AT
160800 UTC SLOW MOVING. POSITION POOR BASED ON MTSAT IR IMAGERY WITH
ANIMATION AND PERIPHERAL OBSERVATIONS. SST AROUND 30 DEGREES.

ORGANISATION REMAINS POOR. CONVECTION HAS NOT CHANGED MUCH IN THE
LAST 12 HOURS. CYCLONIC CIRCULATION EXTENDS TO 500HPA. SYSTEM LIES
UNDER AN 250HPA RIDGE AXIS IN A MODERATELY SHEARED ENVIRONMENT.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND GRADUALLY MOVE IT
SOUTH-SOUTHEAST WITH SLIGHT INTENSIFICATION.

THE POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN
THE NEXT 24 TO 48 HOURS IS LOW.

NO OTHER SIGNIFICANT TROPICAL DISTURBANCE ANALYSED OR FORECAST IN THE
AREA.
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#9 Postby HURAKAN » Wed Feb 16, 2011 3:57 pm

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Re: SPO: INVEST 90P

#10 Postby Crostorm » Wed Feb 16, 2011 4:31 pm

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#11 Postby HURAKAN » Wed Feb 16, 2011 5:44 pm

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Re: SPO: INVEST 90P

#12 Postby cycloneye » Wed Feb 16, 2011 8:28 pm

AN AREA OF CONVECTION HAS PERSISTED NEAR 13.5S 170.8E,
APPROXIMATELY 295 NM NORTH-NORTHEAST OF PORT-VILA, VANUATU.
ANIMATED INFRARED SATELLITE IMAGERY DEPICTS CONVECTION FLARING OVER
A DEVELOPING LOW LEVEL CIRCULATION CENTER (LLCC) EVIDENT IN A
SERIES OF RECENT MICROWAVE SATELLITE IMAGES. UPPER LEVEL ANALYSIS
INDICATES THIS DISTURBANCE IS ENCOUNTERING LOW TO MODERATE VERTICAL
WIND SHEAR AND FAVORABLE UPPER LEVEL DIFFLUENCE. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20-25 KNOTS. MINIMUM SEA
LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. BECAUSE THE LLCC IS
IN THE INITIAL STAGES OF DEVELOPMENT, THE POTENTIAL FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS POOR.
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Re: SPO: INVEST 90P

#13 Postby Sheronz » Wed Feb 16, 2011 11:15 pm

Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Feb 16/2251 UTC 2011 UTC.

TROPICAL DEPRESSION TD11F [1003 HPA] ANALYSED NEAR 13.9S 170.6E AT
162100 UTC SLOW MOVING. POSITION POOR BASED ON MTSAT VIS/IR IMAGERY
WITH ANIMATION AND PERIPHERAL OBSERVATIONS. SST AROUND 30 DEGREES.

ORGANISATION HAS SLIGHTLY IMPROVED. CONVECTION HAS INCREASED IN THE
LAST 6 HOURS. CYCLONIC CIRCULATION EXTENDS TO 500HPA. SYSTEM LIES
UNDER AN UPPER RIDGE IN A MODERATELY SHEARED ENVIRONMENT.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND GRADUALLY MOVE IT
SOUTH-SOUTHEAST WITH SLIGHT INTENSIFICATION.

THE POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN
THE NEXT 24 TO 48 HOURS IS MODERATE TO HIGH.
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#14 Postby HURAKAN » Thu Feb 17, 2011 1:21 am

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Re: SPO: TROPICAL DEPRESSION 11F (90P)

#15 Postby cycloneye » Thu Feb 17, 2011 6:29 am

THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 13.5S
170.8E, IS NOW LOCATED NEAR 14.0S 170.9E, APPROXIMATELY 440 NM WEST-
NORTHWEST OF NADI, FIJI. ANIMATED MULTISPECTRAL SATELLITE IMAGERY
DEPICTS DISORGANIZED, FLARING DEEP CONVECTION OVER THE LOW-LEVEL
CIRCULATION CENTER (LLCC). A 162152Z METOP-A IMAGE SHOWS WEAK
CONVECTIVE BANDING OVER THE SOUTH QUADRANT. THE 162205Z ASCAT IMAGE
INDICATES A SYMMETRIC, WELL-DEFINED LLCC WITH 15-20 KNOT WINDS
SURROUNDING THE CENTER. UPPER-LEVEL ANALYSIS INDICATES THAT THE LLCC
IS LOCATED JUST TO THE NORTH OF AN ANTICYCLONE WITH WEAK VERTICAL
WIND SHEAR. ANIMATED WATER VAPOR IMAGERY SHOWS OVERALL GOOD OUTFLOW.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. BASED ON
THE LACK OF SIGNIFICANT CONVECTIVE BANDING AND THE RELATIVELY WEAK
SURFACE WINDS, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS POOR.
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Re: SPO: TROPICAL DEPRESSION 11F (90P)

#16 Postby GCANE » Thu Feb 17, 2011 12:14 pm

All globals are spinning this up to a major TC.

Interesting that Solar Watcher advertised this a couple days ago after the X2.2 solar flare.

He has alsp been nailing the latest earthquakes.


http://www.youtube.com/watch?v=FZ6b7CQL ... e=bulletin

http://www.youtube.com/watch?v=_LAIokzp ... e=bulletin

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Re: SPO: TROPICAL DEPRESSION 11F (90P)

#17 Postby GCANE » Thu Feb 17, 2011 12:38 pm

Very strong rain-rate & cold cloud-tops will little boundary-layer moisture infeed and weak core-temp.

Could ramp fast.

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Re: SPO: TROPICAL DEPRESSION 11F (90P)

#18 Postby GCANE » Thu Feb 17, 2011 12:49 pm

Ideal outflow channels an anti-cyclone.

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Re: SPO: TROPICAL DEPRESSION 11F (90P)

#19 Postby GCANE » Thu Feb 17, 2011 12:51 pm

I think this will be a great chance to see how TC development correlates with Solar Activity.

Solar Wind from CMEs should hit earth within 24 hrs.


http://www.youtube.com/watch?v=BZWSr99VGcU



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Re: SPO: TROPICAL DEPRESSION 11F (90P)

#20 Postby Sheronz » Thu Feb 17, 2011 1:10 pm

Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Feb 17/0909 UTC 2011 UTC.

TROPICAL DEPRESSION TD11F [1002 HPA] ANALYSED NEAR 13.8S 169.9E AT
170600 UTC SLOW MOVING. POSITION POOR BASED ON MTSAT IR IMAGERY WITH
ANIMATION AND PERIPHERAL OBSERVATIONS. SST AROUND 30 DEGREES.

ORGANISATION HAS SLIGHTLY IMPROVED. DEEP CONVECTION HAS DECREASED IN
THE LAST 6 HOURS DUE TO DIURNAL VARIATION. CYCLONIC CIRCULATION
EXTENDS TO 500HPA. SYSTEM LIES UNDER AN UPPER RIDGE IN A MODERATELY
SHEARED ENVIRONMENT.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND GRADUALLY MOVE IT
SOUTH-SOUTHEAST WITH SOME INTENSIFICATION.

THE POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN
THE NEXT 24 TO 48 HOURS IS MODERATE TO HIGH.
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