Official

Winter Weather Advisory issued March 19 at 4:01AM PDT until March 20 at 5:00PM PDT by NWS Portland OR

* WHAT…Snow expected. Total snow accumulations up to 10 to 12
inches. Up to 17 inches above 5500 feet. Winds gusting as high as
35 mph.

* WHERE…South Washington Cascades and the Northern and Central
Cascades of Oregon.

* WHEN…From 5 PM this afternoon to 5 PM PDT Thursday.

* IMPACTS…Roads, and especially bridges and overpasses, will
likely become slick and hazardous.

* ADDITIONAL DETAILS…There is around a 20% chance that snow
accumulation would exceed 12 inches at elevations above 4000 feet.
For this scenario to occur, colder air would need to be present
than what is forecast. This first system will be closely followed
by a second frontal system so there may be minimal break between
them.

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