Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
827 AM EDT Mon Oct 28 2019

Valid 00Z Tue Oct 29 2019 - 00Z Tue Nov 05 2019

Weak troughing in the near term will trend towards lower heights
for most of this week with a frontal boundary stationed to the
northwest of the islands the next few days. Expect weakening trade
winds as a result, and an increase in windward clouds and showers.
On Tuesday-Wednesday, a brief surge of higher precipitable water
values is likely as an upper level disturbance (500mb height
anomalies of -2 and -2.5 sigma) passes through aloft. This brings
the chance for heavier/enhanced shower and rain activity to mainly
the Big Island. Conditions should dry as heights should begin to
rise again by the end of the work week/beginning of the weekend,
though another trough looks to push towards the region by
Sunday-Monday carrying a surface cold front towards the northwest
Islands.

Santorelli