Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Sun Aug 18 2019

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

1. Showers and thunderstorms associated with an area of low pressure
located a couple of hundred miles south-southwest of the coast of
Guatemala have changed little in organization since yesterday.
Environmental conditions are expected to become more conducive for
development during the next couple of days, and a tropical
depression is expected to form by Tuesday or Wednesday while the low
moves west-northwestward at about 10 mph parallel to the coast of
Mexico. Moisture associated with the low is forecast to produce
heavy rainfall and possible flash flooding across portions of El
Salvador, Guatemala, and southeastern Mexico during the next few
days.
* Formation chance through 48 hours…medium…50 percent.
* Formation chance through 5 days…high…90 percent.


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