Subj : HVYSNOW: Probabilistic Heavy Snow And Icing Discussion
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun May 07 2023 18:46:26

FOUS11 KWBC 071846
QPFHSD

Probabilistic Heavy Snow and Icing Discussion
NWS Weather Prediction Center College Park MD
245 PM EDT Sun May 07 2023

Valid 00Z Mon May 08 2023 - 00Z Thu May 11 2023

....Northern California to the Northern Rockies....
Days 1-3...
A series of shortwaves will continue to move through a broader
trough, supporting periods of organized precipitation, including
high-elevation snow, across the region.  This includes a compact,
deep upper-low that is forecast to move inland near the
Oregon-California border Monday morning.  For the Klamath
Mountains, Shasta Cascade, and the southern Oregon Cascade
regions, localized heavy snows are possible -- mainly for areas
above 4500 ft -- as the system moves across the region on Monday.
Elsewhere, mostly light amounts are forecast across the higher
elevations of the region, with widespread heavy amounts not
expected.

The probability of ice accumulations greater than 0.25 inch is
less than 10 percent.

Pereira

$$



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