NHC Eastern North Pacific Outlook

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Mon Aug 19 2024

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

The National Hurricane Center is issuing advisories on Tropical
Storm Gilma, located several hundred miles southwest of the southern
tip of the Baja California peninsula.

1. Well East-southeast of the Hawaiian Islands (EP90):
Shower and thunderstorm activity continues in association with an
area of low pressure located well east-southeast of Hawaii.
Environmental conditions are expected to be conducive for
development and a tropical depression is likely to form during the
next couple of days. The disturbance is forecast to meander slowly
northward or northeastward during the next couple of days or so,
before accelerating west-northwestward into the Central Pacific
basin by the latter portion of the week. Information on this
system's development can also be found in the Tropical Weather
Outlook for the Central Pacific basin.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 7 days...high...80 percent.

2. Western Portion of the East Pacific:
A broad area of shower and thunderstorm activity is located well
west-southwest of the southern tip of the Baja California peninsula.
This system is forecast to move slowly toward the northwest for the
next few days, and interactions with either EP90 to its west or
Gilma to its east could limit the potential for formation.
Regardless, a tropical depression could form within the next few
days. Further development after that time will be unlikely.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...medium...40 percent.

3. Eastern and Central Portion of the East Pacific:
An area of low pressure is expected to form well to the south of the
southwestern coast of Mexico by the end of this week. Environmental
conditions could become conducive for some slow development of this
system thereafter as it moves slowly west-northwestward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...30 percent.


The Tropical Weather Outlook for the Central Pacific basin can be
found under AWIPS header HFOTWOCP and WMO header ACPN50 PHFO and on
the web at hurricanes.gov

Forecaster Bucci

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