Upper low near 22N/50W

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Ed Mahmoud

Upper low near 22N/50W

#1 Postby Ed Mahmoud » Sat Oct 04, 2008 9:31 am

Satellite loop


Getting convection near the center, and has a tap of moisture from the deeper tropics.

Still image
Image

Dry air around it, but the feature itself looks like it is moistening its surroundings.

GFS surface reflection most apparent in 72 hours, halfway between Greater Antilles and Bermuda before GFS starts shearing it into a frontal zone.
Image

Canadian closes it off in about three days, before recurving it and turning it into a major post-tropical ('cause its Canadian) Atlantic storm.

Image
Tropical

Image
Post tropical


I think lack of time may be the only thing that may stop a sub-tropical cyclone from forming here
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Sanibel
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Re: Upper low near 22N/50W

#2 Postby Sanibel » Sat Oct 04, 2008 9:43 am

MJO is flaring everything. This area has shown late season favorability.
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Ed Mahmoud

Re: Upper low near 22N/50W

#3 Postby Ed Mahmoud » Sat Oct 04, 2008 11:15 am

New 12Z GFS through 4 days not showing much love for anything in the Atlantic except for its near ever present Cape Verde-ish system.
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Sanibel
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Re: Upper low near 22N/50W

#4 Postby Sanibel » Sat Oct 04, 2008 1:34 pm

Both the Atlantic ULL flare-up and Caribbean are mostly based on ULL shear-induced convection enhancement. All depends if the latent season conditions support it.
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Re: Upper low near 22N/50W

#5 Postby HUC » Sat Oct 04, 2008 2:14 pm

No much tropical developpement for this feature,but,it's moving West,and i think that all the convection enhancing in it's south and S Est,should progress toward our islands.So,imo, rain in the near future,and rain.
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Re: Upper low near 22N/50W

#6 Postby alan1961 » Sat Oct 04, 2008 6:38 pm

just away from this area further back east the ITCZ has a pretty intense flare up currently, could we be in for some surprise development sw of the cape verdes..we've seen it before but just something to keep an eye on :roll:
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Re: Upper low near 22N/50W

#7 Postby Sanibel » Mon Oct 06, 2008 9:47 am

This ULL swirl has the best chance if it drills down.
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