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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 AM PDT Sun Jul 27 2025

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

Active Systems: 
The National Hurricane Center is issuing advisories on Tropical 
Depression One-C, located in the central Pacific basin well 
southeast of the Hawaiian Islands.

1. Western East Pacific:
A trough of low pressure well east-southeast of the Hawaiian Islands 
is producing a large area of disorganized showers and thunderstorms. 
Some gradual development of this system is possible during the next 
couple of days while it moves generally westward around 10 mph.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 7 days...low...30 percent.

2. South of Southwestern Mexico:
An area of low pressure is forecast to form well offshore of the 
southwestern coast of Mexico in a couple of days. Thereafter,  
environmental conditions appear conducive for gradual development, 
and a tropical depression could form late this week as the system 
moves west-northwestward or northwestward at 10 to 15 mph.  
* Formation chance through 48 hours...low...near 0 percent. 
* Formation chance through 7 days...medium...60 percent.




Public advisories on Tropical Depression One-C are issued under WMO 
header WTPA31 PHFO and under AWIPS header HFOTCPCP1. Forecast 
advisories on Tropical Depression One-C are issued under WMO header 
WTPA21 PHFO and under AWIPS header HFOTCMCP1.


Forecaster Cangialosi