Invest 90L struggling to survive, but other development is possible

Invest 90L struggling to survive, but other development is possible
Weather Talk

POSTED: Sunday, July 24, 2011 - 10:54pm

UPDATED: Monday, July 25, 2011 - 1:34am

Invest 90L, which is the cluster of thunderstorms located just to the west of Hispaniola, is struggling to stay put together at this point.  It has plenty of obstacles that will make it tough for it to become better organized.  First, it is battling the islands as it moves over them.  Remember, tropical systems get fuel from warm ocean water, so obviously if there are plenty of landmasses then this system will struggle.  Second, it is also moving in an area where upper level winds are not very conducive for further development at this point.  Finally, this system is also moving through an area of drier air, which is also an enemy of tropical systems.  If it stays fairly put together once it emerges near the Yucatan Peninsula, then we may have to watch for further development, but at this point none of the models are developing it much.

Elsewhere, there may be another system to watch over the next few days.  Some models are hinting at the possibility of development in the Eastern Atlantic.  As we head into the peak months, we will start to closely monitor waves emerging off of the west coast of Africa.  Check the graphic below, this is the NGP model and you can see the possible development of something in 5-7 days.

We are always tracking the tropics here in the STORMTRACKER33 Weather Center, and we will keep you updated with up to the minute information as it becomes available.  Also, you can follow us on Twitter and Facebook @STORMTRACKER33 for even more updates.

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