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Special Tropical Weather Outlook issued for area in the East-Central Atlantic, only with 10% chance for development, not expected to do much.
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MikeCAdministrator
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Wave over Eastern Cuba
      #90653 - Fri Jul 22 2011 02:43 PM

7AM EDT 25 July 2011
The wave known as 90L has moved over the northern Caribbean islands, currently just over or south of Cuba bringing some rain to the area.

Since it took the overland route, chances for development are very low to nonexistant, but if it manages to remain somewhat itnact by the time it reaches the gulf, then it has a chance to develop into a weak system then, but odds are against that happening.

Outside of this wave there is not much to talk about in the Tropics this week.

8AM EDT 23 July 2011
Cindy's last advisory was issued overnight, as the wave in the East Caribbean starts to move into the Caribbean sea.

This system's chances for development are dropping, at least in the near term as it enters the "hurricane graveyard" area of the east Caribbean. If it persists it could be something down the road, and those in the Caribbean will want to watch it, but it appears it will head further west and stay weak, at least for the next few days. Dry air destroyed 90L from the south.



90L actually is very unimpressive this morning, the area northeast of it looks better on Satellite, and that as a separate area may need attention later.

Still as August approaches, watch for the unexpected with systems dying off then reforming elsewhere, or later.





8PM EDT 22 July 2011
Cindy continues to slowly weaken as it races northeast into the Atlantic, the wave known as 90L east of the Caribbean is now up to a 30% chance for development in the next 48 hours. There's still quite a bit of question as to what this system will do, so you won't see much talk of it until trends solidify. However, it will likely move west of what the current forecast models show.

Those in the Caribbean islands will want to keep watch on this system, but there isn't an immediate threat. Early model runs are not good to use with systems like this wave, they tend to be biased toward the north too much.

It's worth keeping track of into next week, though. See the Forecast Lounge for more speculation on this system.


Original Update
The last advisory has been issued on Bret, Cindy has weakened, and the central Atlantic wave is now being tracked as 90L.

This wave will likely head west and move into the Caribbean, or pass over the Caribbean islands. Nothing right now suggests too much development in the short term, but those in the Leeward islands need to watch the system over the next few days. Development is more likely Sunday or Monday. In general, it is worth keeping an eye on,

There is a tentative recon flight scheduled to check out the 90L area tomorrow.

More to come later.

Martinique Radar Recording (flhurricane)





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danielwAdministrator
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Re: Bret Gone, 90L Forms, Cindy Weakening [Re: MikeC]
      #90655 - Fri Jul 22 2011 02:59 PM

So PTC Cyclone on the left sidebar stands for "Post Tropical Cyclone".

And 90L is southeast of the Lesser Antilles and will probably pass thru the Lower Lesser Antilles this weekend.

Leading edge of the wave that Mike and others have been discussing appears to be passing through the Virgin Islands.


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MikeCAdministrator
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Re: Bret Gone, 90L Forms, Cindy Weakening [Re: danielw]
      #90656 - Fri Jul 22 2011 03:03 PM

We are now recording the martinique radar for a loop (Updates every 15 minutes or so)
Martinique Radar Recording (flhurricane)


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WesnWylie
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Re: Cindy Gone, 90L Weak [Re: MikeC]
      #90666 - Sat Jul 23 2011 10:50 PM

90L has flared up again this afternoon. I can see a slight spin on satellite, but I think it is likely in the mid-levels. It appears that 90L could slip just south of Hispaniola. The latest model runs also suggest this possibility.

--------------------
2011 Season Forecast: 16/09/04
2011 Systems: 10/01/01


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