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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM 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 low pressure area has formed well east-southeast of the Hawaiian
Islands. While the associated thunderstorm activity is currently
disorganized, 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...medium...40 percent.
* Formation chance through 7 days...medium...40 percent.
2. South of Southwestern Mexico:
An area of disturbed weather has developed several hundred miles
south-southwest of the Gulf of Tehuantepec. During the next day or
two, an area of low pressure is forecast to form from this system
well offshore of the southwestern coast of Mexico. Thereafter,
environmental conditions appear conducive for gradual development,
and a tropical depression is likely to form late this week as the
system moves west-northwestward or northwestward at 10 to 15 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...high...70 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 Beven