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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Thu Jun 17 2021

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

1. An elongated area of low pressure located about 150 miles south of 
Acapulco, Mexico continues to produce a large area of disorganized 
showers and thunderstorms.  Environmental conditions appear 
conducive for development of this system, and a tropical depression 
is likely to form during the next day or so while the system moves 
west-northwestward or northwestward at 5 to 10 mph, near the coast 
of southwestern Mexico.  Regardless of development, heavy rains are 
likely over coastal sections of the Mexican states of Oaxaca, 
Guerrero, Michoacan, Colima, and Jalisco during the next few days, 
which could cause life-threatening flash floods and mudslides.  
Interests in these areas should monitor the progress of this system 
through the weekend.
* Formation chance through 48 hours...high...90 percent. 
* Formation chance through 5 days...high...90 percent.

Forecaster Reinhart/Beven