Tuesday, September 11, 2012

Invest 91 L Update # 2

At this present point and time we think that Invest 91 L is probably a depression judging by the following information :  

Wind (1 min. avg.):
30 knots (~35 mph | 15 m/s | 56 km/h)


It is clear though that 91 L is still suffering from dry air but this does look better then it did just a few hours ago .. This is what it looked like a few hours ago..

The other thing that we still do not like with what is going on though with 91 L is the shear is increasing all around the vicinity of the system. Whenever you have this combination you have a slower time in developing the inner core.

Shear is generally on the order of 10-20 knots and you can see generally the increasing wall of shear around the system.
You can see the dry air on this image ..and then the other thing is that the voricity is very stretched out and elongated which you will also see on the image below:

This just means or implies that it will take longer to develop that center of circulation and tighten up and intensify.  Convergence and divergence is actually decent across the area. So this is one contributing factor to the positive for development..

So..the environment is not exactly conducive for any kind of rapid intensification but rather a slow intensification. As far as movement ..general movement for now should continue in a west to northwest basis based on the steering currents..
However..we still feel highly confident that this will not have any effect on the East Coast or anywhere near the USA. This storm should stay out over the Atlantic....
Guidance shows this very thing happening and occurring..

We still also think this will become the 14th named storm of the tropical season . However..as stated this will not have any effect on landfall but rather one for the fishes..
Next update 24 hours from this morning! 

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