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Azores #96L fails to complete transition into a Sub-Tropical Storm. Elsewhere, weak low pressure in Caribbean may linger into next week.
Days since last H. Landfall - US: Any 42 (Nate) , Major: 60 (Maria) Florida - Any: 70 (Irma) Major: 70 (Irma)
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Archives >> 2013 Forecast Lounge

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cieldumort
Moderator


Reged: Mon
Posts: 1635
Loc: Austin, Tx 30.40N 97.80W
Ingrid Forecast Lounge
      #94776 - Tue Sep 10 2013 03:51 AM


Above: Recent IR4 Image of Disturbance In the NW Caribbean

A disturbance mostly in the mid-levels has slowly been developing in the western Caribbean, and is now given a 60% chance of becoming a tropical cyclone within the next five days, per NHC.

The system presently has limited organized convection, but intermittently good cyclonic flow.

Movement is to the northwest at around 10 MPH. The disturbance is expected to cross the Yucatan, and enter the southwestern Gulf of Mexico later in the week, where it should have a better chance of getting a name.

This is where to put mid to long range thoughts on this feature's potential for further development, intensity, and forecast track. Longer range model output discussions are also appropriate here.

Title edited to reflect upgrade to Tropical Storm.

Edited by Ed Dunham (Sat Sep 14 2013 11:25 PM)


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Random Chaos
Weather Analyst


Reged: Sat
Posts: 1023
Loc: Maryland 38.98N 76.50W
Re: 93L Forecast Lounge [Re: cieldumort]
      #94779 - Wed Sep 11 2013 10:32 PM

Firstly, anything in the gulf has to be watched. That said, longer range models aren't bringing it too far north - not even really Texas. Doesn't mean it won't happen, especially if it develops in the nearer term rather than longer term.

I am watching it closely while being distracted by the beautiful pinwheel spinning on the eastern side of my wide-view Atlantic IR loop.


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doug
Weather Analyst


Reged: Mon
Posts: 943
Loc: parrish,fl 27.53N 82.44W
Re: 93L Forecast Lounge [Re: Random Chaos]
      #94782 - Thu Sep 12 2013 10:03 AM

I know the experts are stating this will move slowly westward. But the dynamic now suggests, to me at least, for more northward motion of the energy related with it. It depends, I guess on the relative strength of the persisting mid-upper level cyclone to the NW of the system which cannot but influence this system. It will either facilitate outflow on the west-northwest portion of the system, or produce a westerly shear which will inhibit the development.

12:50 update: the system is moving rather deliberately to the west but is being sheared by the sw'ly flow aloft...the LLC is exposed...

--------------------
doug

Edited by doug (Thu Sep 12 2013 12:53 PM)


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