Pomona, Washington Weather Forecast Discussion

920
FXUS66 KPDT 250154
AFDPDT
Area Forecast Discussion
National Weather Service Pendleton OR
654 PM PDT Wed Sep 24 2025
.UPDATE...Opted to issue a Wind Advisory for the Kittitas Valley,
valid 11 AM Thursday to 2 AM Friday. Strong cross-Cascade pressure
gradients coupled with modestly strong winds aloft (25-35 kts)
and strong isentropic descent should facilitate a windy day
through the valley. Forecast soundings from CAMs show a low-level
jet (LLJ) as strong as 50 kts by late afternoon and evening
through the valley and east to Ryegrass Summit along I-90.
Confidence in strong winds of 20-35 mph with gusts of 40-55 mph is
highest (60-90%) between 1 PM and 11 PM Thursday. Plunkett/86
&&
.PREV DISCUSSION... /issued 501 PM PDT Wed Sep 24 2025/
AVIATION...00Z TAFs...VFR conditions are forecast for all sites
through the period; however, confidence in VSBYs at KYKM/KPSC is
lower than average given the presence of active wildfires along
the east slopes of the Washington Cascades. Sub-VFR VSBYs
overnight and Thursday morning may occur, but confidence was too
low (

NWS PDT Office Area Forecast Discussion