Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
403 AM EDT Sat Apr 23 2022

Valid 00Z Sun Apr 24 2022 - 00Z Sun May 01 2022

Surface high pressure in place to the northeast of Hawaii over the
next couple of days and additional high pressure moving eastward
to the north of the state early next week will keep a breezy
easterly trade wind pattern in place. Windward and mountain/mauka
showers are most common in this wind regime, and while moisture
(precipitable water) values are above normal, a capping inversion
should not allow for widespread heavy rain. A drier trade wind
pattern is forecast for early next week as moisture levels return
to near normal. By around midweek, a weakness in the subtropical
ridge could lead to a period of weaker trades. Moisture levels may
increase by the latter part of next week with potential for a
weaker capping inversion as well given modest troughing aloft, but
there is still considerable uncertainty with the details of the
pattern and the impacts on sensible weather at this point.

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