Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
344 AM EDT Tue Jul 23 2024
Valid 00Z Wed Jul 24 2024 - 00Z Wed Jul 31 2024
Latest guidance has maintained fairly good continuity with the
overall forecast pattern through the period, with only minor
refinements from 24 hours ago. High pressure retrograding along
40N latitude will support trades through the period and a general
windward focus for showers. Expect the strongest winds during
mid-late week, though with some gusty conditions possibly lasting
into the weekend at some locations. The forecast remains on track
for an area of enhanced moisture to pass through
Tuesday-Wednesday, helping to increase rainfall totals somewhat.
Some of this moisture could still hold on over western areas into
Thursday. Then consensus shows a few drier days with precipitable
water values tending to be below climatology over most areas.
PWATs may be a little higher over the western islands at times,
closer to an upper weakness north/west of the state and containing
one or more weak upper lows. Upper ridging should be over or near
the main islands though, helping to keep any showers on the light
side.
Rausch