Tue Sep 15 2020 12:45 PM
Tropical Storm Beta Lounge

An Area to Watch that we noted a few times elsewhere has shown signs of developing this morning and we are starting a lounge on this system, not yet Invest tagged, but could soon be.

Invest #TBD is presently centered well south of Brownsville, TX at roughly 23N 96W. The disturbance has been around for several days and was in the far northern GOM just west of where Hurricane Sally is now, but began rotating south-southwestward and then almost due south into its present location, which is also now a somewhat favorable environment for development.

This disturbance has had a well defined circulation for several days and is now coalescing some convection, with most recently a small burst over the apparent center, which had slid in and under some of the loosely associated showers and storms closer to the coast.

While most model support has been tepid at best, over the past few runs things have been picking up, with a few models now developing this area of low pressure into a tropical storm force system by the end of this week and bringing it back north. That looks like a reasonable call, and could even be conservative.

This disturbance has been Invest tagged on the morning of 09/16, Invest 90L, and the title has been updated.
Invest 90L has become TD22 and the title has been updated.

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