Invest 90L, Ex-Gaston

An area of disturbed weather in the BOC has now been designated as Invest 90L. This system was basically a part of the energy from the system in the Pacific TD-11-E. 90L is trying very hard to become something tropical in nature and it may become a tropical depression but there are some factors which are keeping it from developing quickly. In the last couple frames of the satellite loop, there is an area trying to rotate. If thus system can stay out in the waters for about 24-36 hours, it might have a chance to develop. If it starts to get close to the shore then the interaction with the land will just keep as an area of disturbed weather. In either case, the track is pretty simple, and because there is a high over Central Texas, this will be a system for Mexico.

Visible Satellite image of Invest 90L

Mean Layer Map

Models for Invest 90L

This morning satellite imagery of Ex- Gaston did seem to indicate that Gaston was having problems but later satellite imagery is now seeing a much better system. Gaston is slowly pulling away from the dry air around it and convection has been trying to wrap around the west and south. Cyclonic turning is also much better improved. The TUTT near PR/Hispanolia is visibly far enough away from Gaston it does loop like a high between the two is beginning to form. If Gaston continues to improve during the day and the convection begins to wrap around the center, Gaston may be like the Phoenix, and regeneration may occur with Gaston within 24-48 hours. The models are showing that Gaston may be headed toward the Leeward Islands although there a few there are further south. If Gaston stays to the north , then the Bahamas and Florida may have to keep an eye out. If it goes south, then it may go through Hispanolia and possibly dissipate there due to the high mountain range.

Visible Satellite image of Gaston

Water Vapor imagery

Models for Gaston

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