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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Mon Sep 1 2025

For the eastern and central North Pacific east of 180 longitude:

Active Systems: 
The National Hurricane Center is issuing advisories on Tropical 
Storm Kiko, located in the east Pacific basin well west-southwest 
of the southern tip of the Baja California peninsula.  Kiko is 
expected to cross into the central Pacific basin by the weekend.

1. South of Southwestern Mexico (EP94):
Showers and thunderstorms are becoming better organized in 
association with a broad area of low pressure located a little more 
than 100 miles off the coast of southwestern Mexico.  In addition, 
earlier satellite-derived wind data indicate that winds to 35 mph 
are occurring on its north side, close to the coast of Mexico.  This 
system is expected to become a tropical depression or tropical storm 
in the next day or so while it moves west-northwestward at 10 to 15 
mph off the coast of southwestern Mexico.  The disturbance is 
expected to turn northwestward toward the Baja California peninsula 
later in the week, and watches or warnings could be required for 
portions of that area on Tuesday.  Regardless of development, heavy 
rainfall is possible across coastal portions of southwestern and 
west-central Mexico during the next few days, and these rains will 
likely spread to Baja California Sur later in the week. The heavy 
rains could lead to flash flooding, especially in mountainous areas.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 7 days...high...90 percent.



Forecaster Cangialosi