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FOUS30 KWBC 260651
QPFERD

Excessive Rainfall Discussion
NWS Weather Prediction Center College Park MD
151 AM EST Mon Jan 26 2026

Day 1
Valid 12Z Mon Jan 26 2026 - 12Z Tue Jan 27 2026

The probability of rainfall exceeding flash flood guidance is less
than 5 percent.

Cook


Day 2
Valid 12Z Tue Jan 27 2026 - 12Z Wed Jan 28 2026

The probability of rainfall exceeding flash flood guidance is less
than 5 percent.

Cook


Day 3
Valid 12Z Wed Jan 28 2026 - 12Z Thu Jan 29 2026

...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL ACROSS WESTERN
WASHINGTON STATE...

Models are generally consistent in a substantial increase in
southwesterly low-level flow across western Washington State during
the D3/Wed forecast period as a broad upper trough becomes
established over the northeastern Pacific. 35-50kt 850mb flow will
become oriented favorably against local terrain for appreciable
orographic ascent for occasional moderate to heavy rainfall. Areas
of 2-5 inch rainfall totals are expected mainly across the Olympic
Peninsula (highest in favorable terrain areas). These rainfall=20
totals should be sufficient for at least isolated/minor flooding in
typically favored areas.

Cook


Day 1 threat area: https://urldefense.com/v3/__https://www.wpc.ncep.noaa.go=
v/qpf/94epoints.txt__;!!DZ3fjg!_IWBX9mLGrJb4ijba6scnyHnMoZqBOLi00RFLjXOeRqc=
PV9ey_2HFp1nlRHjbXYkxaPfn_94aFo7LxxB0oYA3WTkgF4$=20
Day 2 threat area: https://urldefense.com/v3/__https://www.wpc.ncep.noaa.go=
v/qpf/98epoints.txt__;!!DZ3fjg!_IWBX9mLGrJb4ijba6scnyHnMoZqBOLi00RFLjXOeRqc=
PV9ey_2HFp1nlRHjbXYkxaPfn_94aFo7LxxB0oYAl6-ZYXI$=20
Day 3 threat area: https://urldefense.com/v3/__https://www.wpc.ncep.noaa.go=
v/qpf/99epoints.txt__;!!DZ3fjg!_IWBX9mLGrJb4ijba6scnyHnMoZqBOLi00RFLjXOeRqc=
PV9ey_2HFp1nlRHjbXYkxaPfn_94aFo7LxxB0oYA3fk_oC4$=20

=3D =3D =3D
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