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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM PDT Thu Jun 17 2021

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

1. Recent satellite-derived winds indicate that the area of low 
pressure located about a couple hundred miles south of Acapulco, 
Mexico is becoming better defined. In addition, shower and 
thunderstorm activity is gradually becoming better organized. A 
tropical depression is expected to form later this morning while the 
system moves west-northwestward at 5 to 10 mph. 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, and tropical storm 
watches and warnings could be needed for a portion of the Mexican 
coastline later today. 
* Formation chance through 48 hours...high...near 100 percent. 
* Formation chance through 5 days...high...near 100 percent.

Forecaster Papin/Blake