Strong convection SSW of the Cabo Verde Islands

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AtlanticWind
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Strong convection SSW of the Cabo Verde Islands

#1 Postby AtlanticWind » Tue Aug 23, 2022 7:15 pm

There is quite of blowup of convection near 10 north south of Cabo Verde
It is not associated with a wave maybe with the ITCZ.

Wondering if this could persist
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Re: Strong convection south of the Cabo Verde Islands

#2 Postby AtlanticWind » Wed Aug 24, 2022 12:00 am

Still firing, I always watch for these things in the MDR .
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Re: Strong Convection south of Cabo Verde islands

#3 Postby skyline385 » Wed Aug 24, 2022 12:07 am

Loop of the wave below CV islands

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Re: Strong convection south of the Cabo Verde Islands

#4 Postby ChrisH-UK » Wed Aug 24, 2022 3:23 am

I think that's the first of the MDR storms that are forecasted forming up.

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Re: Strong convection south of the Cabo Verde Islands

#5 Postby tiger_deF » Wed Aug 24, 2022 10:18 am

Suprised this post hasn't gotten more traction, as of right now this AOI has the most convection of anything I've seen in the region this season.
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Re: Strong convection south of the Cabo Verde Islands

#6 Postby LarryWx » Wed Aug 24, 2022 10:45 am

tiger_deF wrote:Suprised this post hasn't gotten more traction, as of right now this AOI has the most convection of anything I've seen in the region this season.


It has the most convection of anything in the E MDR since at least the precursor to Bonnie a full 2 months ago! Also, it is quite a bit south of SAL due to its further south location vs recent areas in the E MDR:

Image
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Re: Strong convection south of the Cabo Verde Islands

#7 Postby AutoPenalti » Wed Aug 24, 2022 10:52 am

a good chonky wave that will likely struggle to consolidate with its massive chonkiness.
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Re: Strong convection south of the Cabo Verde Islands

#8 Postby Iceresistance » Wed Aug 24, 2022 10:54 am

This could merge with the AOI TW over Africa, and if they do indeed merge, we could have a very large, broad system that could become a TC later down the road.

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https://s4.gifyu.com/images/35809170.gif
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Re: Strong convection south of the Cabo Verde Islands

#9 Postby InfernoFlameCat » Wed Aug 24, 2022 5:12 pm

The wave has no low level of anything really. I suspect this will get drawn into the wave behind it. It does have some good convection but its very disorganized.
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Re: Strong convection south of the Cabo Verde Islands

#10 Postby Hurricaneman » Thu Aug 25, 2022 9:46 am

I’ll say this, this looks like it’s trying to develop and bears watching in the longer range I believe
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Re: Strong convection south of the Cabo Verde Islands

#11 Postby ScottNAtlanta » Thu Aug 25, 2022 9:49 am

InfernoFlameCat wrote:The wave has no low level of anything really. I suspect this will get drawn into the wave behind it. It does have some good convection but its very disorganized.

Today it is showing some vorticity at 925 and 850mb, just not any higher (which quite the opposite of everything else this season)
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Re: Strong convection south of the Cabo Verde Islands

#12 Postby ScottNAtlanta » Thu Aug 25, 2022 9:54 am

Iceresistance wrote:This could merge with the AOI TW over Africa, and if they do indeed merge, we could have a very large, broad system that could become a TC later down the road.

https://s4.gifyu.com/images/35809170.gif
https://s4.gifyu.com/images/35809170.gif


The satellite views in the Eastern Atlantic can be deceiving due to the position of the satellite and the curvature of the Earth. They are farther apart than they look.
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Re: Strong convection south of the Cabo Verde Islands

#13 Postby aspen » Thu Aug 25, 2022 10:08 am

ScottNAtlanta wrote:
Iceresistance wrote:This could merge with the AOI TW over Africa, and if they do indeed merge, we could have a very large, broad system that could become a TC later down the road.

https://s4.gifyu.com/images/35809170.gif
https://s4.gifyu.com/images/35809170.gif


The satellite views in the Eastern Atlantic can be deceiving due to the position of the satellite and the curvature of the Earth. They are farther apart than they look.

The GFS did show them merging for several runs, though. The elongated, further west disturbance became the maximum vorticity center and rotated within the envelope of the incoming wave, first being dragged north and then returning to below 15N before continuing westward and eventually developing. The GFS hasn’t shown this for days, but since the originally forecast setup is here, maybe something similar will happen.
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Re: Strong convection SSW of the Cabo Verde Islands

#14 Postby cycloneye » Thu Aug 25, 2022 10:10 am

This TWD discussion explains the convective area.

A far eastern Atlantic tropical wave has its axis just offshore
Africa along 18W from 05N to 21N moving westward at 10 kt. The
surrounding environment of this wave has moistened up since 24
hours. Scattered moderate to isolated strong convection is noted
from 10N to 14N between 18W-22W. Scattered moderate convection
is from 08N to 11N between 14W-22W. Convective activity preceding
this wave consists of a large cluster numerous moderate to strong
convection from 06N to 13N between 26W-32W, and of scattered
moderate to isolated strong convection from 04N to 08N between
32W-38W. This activity has been rather persistent, and appears to
be a piece of energy that had detached from the wave when it was
inland Africa yesterday
. Environmental conditions could support
some slow development of this system later this week, or during
the weekend as it continues on westward.
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Re: Strong convection SSW of the Cabo Verde Islands

#15 Postby AJC3 » Thu Aug 25, 2022 4:19 pm

Since all the model guidance shows this as part of the larger envelope of vorticity/convection which includes the wave behind it, I think we're at the point where we should lock this thread, and keep the discussion from here on out in that thread.

https://www.storm2k.org/phpbb2/viewtopi ... 1&t=122896
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