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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Sun Sep 29 2024

For the eastern North Pacific...east of 140 degrees west longitude:

1. Offshore of Southwestern Mexico:
An area of low pressure is expected to gradually develop off the 
coast of southwestern Mexico during the next day or so. 
Environmental conditions are expected to be generally conducive for 
additional development after that, and a tropical depression could 
form by the middle or late portions of this week. The disturbance is 
forecast to meander near or just offshore the coast for most of the 
week, and then begin moving slowly west-northwestward, parallel to 
the coast of Mexico by next weekend. Regardless of development, this 
system is expected to contribute to additional heavy rainfall across 
portions of the southwestern coast of Mexico, and interests there 
should monitor the progress of this disturbance.
* Formation chance through 48 hours...low...10 percent. 
* Formation chance through 7 days...medium...60 percent.

2. South of the Gulf of Tehuantepec: 
Another area of low pressure is forecast to form south of the Gulf 
of Tehuantepec during the next couple of days. Gradual development 
of the disturbance will be possible after that, if the system 
remains offshore the coast of southern Mexico. The disturbance is 
forecast to move erratically through mid-week, and then potentially 
move northward toward the coast later this week. Regardless of 
formation, heavy rain will be possible along most of the coast of 
southern Mexico throughout this week.
* Formation chance through 48 hours...low...near 0 percent. 
* Formation chance through 7 days...low...20 percent.


Forecaster D. Zelinsky