Low Pressure westsouthwest of Cape Verde islands

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cycloneye
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Low Pressure westsouthwest of Cape Verde islands

#1 Postby cycloneye » Tue Jul 17, 2007 5:03 pm

Image

Well,since there is nothing to talk about in terms of a developing system,let's see what this weak low does down the long journey thru the Tropical Atlantic as it deals with the sal.I dont expect anything from it,however this low emerging west Africa more north in latitud (15n) is a sign that things may be on the virge to be more favorable in that part of the world on the next 2-4 weeks as the 2007 season enters the most active part.

A TROPICAL WAVE HAS BEEN ADDED ALONG 24W EXTENDING THROUGH THE
CAPE VERDE ISLANDS. A 1010 MB LOW IS ALONG THE WAVE AXIS NEAR
15N MOVING W NEAR 18 KT. THE DAKAR RAOB SHOWED THE WAVE PASSAGE
WELL YESTERDAY MORNING. NO DEEP CONVECTION IS IN THE VICINITY OF
THE LOW...THOUGH SCATTERED MODERATE/ISOLATED STRONG IS EMBEDDED
IN THE ITCZ FROM 9N-12N BETWEEN 20W-24W.


From the TPC discussion.
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Re: Low Pressure just west of Cape Verde islands

#2 Postby HUC » Tue Jul 17, 2007 5:50 pm

Well,since there is nothing to talk about in terms of a developing system,let's see what this weak low does down the long journey thru the Tropical Atlantic as it deals with the sal.I dont expect anything from it,however this low emerging west Africa more north in latitud (15n) is a sign that things may be on the virge to be more favorable in that part of the world on the next 2-4 weeks as the 2007 season enters the most active part of the season.

Well cycloneye,things seems to me also in the verge to change: wee got some showers since sunday,the upper level winds are becoming slowly more favorable over the Atlantic,the waves are more humids,and the large low west of CV had to be watch,in my opinion.The African moonson seems also to bre in place...Don't know when the next storm will born,but this season should be active,and certainly not a dud...
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Re: Low Pressure just west of Cape Verde islands

#3 Postby cycloneye » Tue Jul 17, 2007 6:13 pm

:uarrow: That is why I made this thread.Not because this will develop into a Tropical Cyclone,but in terms of how the conditions may be starting to change in that part of the basin,even if still there is the sal around.
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Re: Low Pressure west of Cape Verde islands

#4 Postby HUC » Tue Jul 17, 2007 6:48 pm

O.K;we are watching,as ever.
I can tell you that the air mass over the islands,has change,and just after a shower this p.m,the dust abated,which is the signal of this change,here.Also the local met offices forecast showers and t.s tomorow with the wave passage;seems there is a wind surge in front of the wave...
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Re: Low Pressure west of Cape Verde islands

#5 Postby Berwick Bay » Tue Jul 17, 2007 7:00 pm

1010 mb low eh? Well as I stated in another thread, I think that things are changing rather rapidly now across the entire basin. I spelled out specific areas which I think show that the tropics are becoming more primed, and rather rapidly.
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Re: Low Pressure west of Cape Verde islands

#6 Postby cycloneye » Tue Jul 17, 2007 7:09 pm

:uarrow: Well Berwick,make it 1011.

8 PM Discussion from TPC:

...TROPICAL WAVES...
TROPICAL WAVE ALONG 25W/26W EXTENDS THROUGH THE CAPE VERDE
ISLANDS. A 1011 MB LOW IS ALONG THE WAVE AXIS NEAR 15N MOVING W
NEAR 18 KT. THE LOW ITSELF CONSISTS OF WELL DEFINED TURNING IN
THE STRATOCUMULUS FIELD. SCATTERED MODERATE/ISOLATED STRONG
CONVECTION IS LIMITED TO THE INTERSECTION OF THE WAVE AXIS AND
THE ITCZ GENERALLY FROM 8N-10N BETWEEN 25W-33W.
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Re: Low Pressure west of Cape Verde islands

#7 Postby cycloneye » Tue Jul 17, 2007 7:27 pm

Bouy 13001

:uarrow: :uarrow:

This bouy in the Eastern Atlantic shows clearly that low as it moved to the north of that location.Note the pressures as they went down and then haved gone up.Also look at the different wind directions.
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Re: Low Pressure west of Cape Verde islands

#8 Postby flwxwatcher » Tue Jul 17, 2007 7:29 pm

Lets see what happens to this down the road but it looks like things are starting to come together for our next system within a few weeks
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Re: Low Pressure west of Cape Verde islands

#9 Postby cycloneye » Tue Jul 17, 2007 7:33 pm

Image

It looks beautiful in this pic even if it does not have convection.But look at all that moist air inside Africa,the monsoon trying to take charge?
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Re: Low Pressure west of Cape Verde islands

#10 Postby flwxwatcher » Tue Jul 17, 2007 7:39 pm

It will be very interesting to see if the low level circulation can stay intact as it crosses the Atlantic with models showing conditions becoming favorable in the longer term in the Western Atlantic maybe this could become a surprise down the road.
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Re: Low Pressure west of Cape Verde islands

#11 Postby cycloneye » Tue Jul 17, 2007 7:56 pm

http://www.sat.dundee.ac.uk/

:uarrow: :uarrow: :uarrow: :uarrow: :uarrow: :uarrow: :uarrow: :uarrow:

I forgot to post the link for those who dont have access to see the images from Dundee Satellite Receiving Station like the one I posted two posts above this one.So here is the link to register and then you can get the images.
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Re: Low Pressure west of Cape Verde islands

#12 Postby windstorm99 » Tue Jul 17, 2007 7:56 pm

Dont expect any development in the near term as the SAL continues to be persistent in that area.
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Re: Low Pressure west of Cape Verde islands

#13 Postby canegrl04 » Tue Jul 17, 2007 8:36 pm

Conditions keep improving for development in the Atlantic. I believe we will see something finally come together before the end of next week 8-)
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Re: Low Pressure west of Cape Verde islands

#14 Postby hurricanetrack » Wed Jul 18, 2007 12:09 am

Wow! That is a great picture of a nude hurricane :-)

One could also call it a "skele-cane" as it is just the skeleton of a hurricane.

Sorry, but times are boring....

My bet: No named storms in July 2007 in the Atlantic Basin. And if that were to happen, perfectly normal for an active season....just look at 2004.
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Re: Low Pressure west of Cape Verde islands

#15 Postby cycloneye » Wed Jul 18, 2007 7:16 am

TROPICAL WAVE IS SLIGHTLY TITLED ALONG 20N28W THROUGH A 1011 MB
LOW NEAR 15N30W 9N31W MOVING W NEAR 20 KT. BROAD WELL DEFINED
CIRCULATION ASSOCIATED WITH THE SURFACE LOW COVERING THE AREA
FROM 11N-22N BETWEEN 27W-37W. NO ASSOCIATED DEEP CONVECTION.


:uarrow: 8 AM Discussion by TPC.

This is the mother of all surface lows literly but without convection. (From 11n to 22n?) :)
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Re: Low Pressure westsouthwest of Cape Verde islands

#16 Postby cycloneye » Wed Jul 18, 2007 1:26 pm

Image

Here is the 18:00z full disk image.

For those who dont have this page of images and want to bookmark,here is the link to register and get the free images. http://www.sat.dundee.ac.uk/

The pinwheel keeps rolling,but still without convection,although it has slipped in latitud since last night when it was at 15n.
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Ed Mahmoud

Re: Low Pressure westsouthwest of Cape Verde islands

#17 Postby Ed Mahmoud » Wed Jul 18, 2007 1:30 pm

cycloneye wrote:Image

Here is the 18:00z full disk image.

For those who dont have this page of images and want to bookmark,here is the link to register and get the free images. :rarrow: http://www.sat.dundee.ac.uk/

The pinwheel keeps rolling,but still without convection,although it has slipped in latitud since last night when it was at 15n.


I know normally tropical cyclones moving to the SW are usually weakening, but since this is just a low cloud swirl, doesn't movement closer to the ITCZ and away from the heart of the SAL improve the chances it will start generating convection closer to the low level circulation?
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Re: Low Pressure westsouthwest of Cape Verde islands

#18 Postby Windtalker2 » Wed Jul 18, 2007 2:12 pm

Also looks like it is drawing moisture up from the South.....maybe something to watch. http://www.ssd.noaa.gov/PS/TROP/DATA/RT ... -loop.html
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Re: Low Pressure westsouthwest of Cape Verde islands

#19 Postby gatorcane » Wed Jul 18, 2007 2:33 pm

wow - its definitely starting to suck up moisture and something we should watch. I am also noticing another spin just off the African coast. There are definite signs the CV season is very close.... :eek:
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Re: Low Pressure westsouthwest of Cape Verde islands

#20 Postby windstorm99 » Wed Jul 18, 2007 2:49 pm

I dont see it pulling in moisture at the moment and from the looks of things it looks like it will continue to battle with the SAL to its north.
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