Shower and thunderstorm activity associated with a broad area of low
pressure located a few hundred miles south of the Gulf of
Tehuantepec has increased during the past several hours, but remains
disorganized. Upper-level winds are forecast to become conducive
for development later today, and a tropical depression or tropical
storm is expected to form over the weekend while the system moves
westward to west-northwestward off the coast of southern Mexico.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 5 days...high...90 percent.
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